diff --git a/api/v1alpha1/etcdcluster_types.go b/api/v1alpha1/etcdcluster_types.go index 1f7f6824..e7546f54 100644 --- a/api/v1alpha1/etcdcluster_types.go +++ b/api/v1alpha1/etcdcluster_types.go @@ -141,18 +141,17 @@ type PodSpec struct { // Image is the etcd container image name // +optional Image string `json:"image,omitempty"` - // ImagePullPolicy describes a policy for if/when to pull a container image - // +kubebuilder:default:=IfNotPresent + + // Containers allows the user to add containers to the pod and change "etcd" container if such options are not + // available in the EtcdCluster custom resource. // +optional - ImagePullPolicy corev1.PullPolicy `json:"imagePullPolicy,omitempty"` + Containers []corev1.Container `json:"containers" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,2,rep,name=containers"` + // ImagePullSecrets An optional list of references to secrets in the same namespace // to use for pulling images from registries // see https://kubernetes.io/docs/concepts/containers/images/#referring-to-an-imagepullsecrets-on-a-pod // +optional ImagePullSecrets []corev1.LocalObjectReference `json:"imagePullSecrets,omitempty"` - // Resources describes the compute resource requirements. - // +optional - Resources corev1.ResourceRequirements `json:"resources,omitempty"` // Affinity sets the scheduling constraints for the pod. // +optional Affinity *corev1.Affinity `json:"affinity,omitempty"` @@ -180,27 +179,9 @@ type PodSpec struct { // RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used to run this pod. // +optional RuntimeClassName *string `json:"runtimeClassName,omitempty"` - // ExtraEnv are the extra environment variables to pass to the etcd container. - // +optional - ExtraEnv []corev1.EnvVar `json:"extraEnv,omitempty"` - - // LivenessProbe defines liveness probe check for the pod. - // If not specified, default probe will be used with HTTP probe handler and path /livez on the port 2379, - // with periodSeconds 5. - // +optional - LivenessProbe *corev1.Probe `json:"livenessProbe,omitempty"` - - // ReadinessProbe defines readiness probe check for the pod. - // If not specified, default probe will be used with HTTP probe handler and path /readyz on the port 2379, - // with periodSeconds 5. - // +optional - ReadinessProbe *corev1.Probe `json:"readinessProbe,omitempty"` - - // StartupProbe defines startup probe check for the pod. - // If not specified, default probe will be used with HTTP probe handler and path /readyz?serializable=false on the port 2379, - // with periodSeconds 5. + // Volumes are volumes for being used by the pods. Cannot collide with "data" volume used by etcd. // +optional - StartupProbe *corev1.Probe `json:"startupProbe,omitempty"` + Volumes []corev1.Volume `json:"volumes,omitempty" patchStrategy:"merge,retainKeys" patchMergeKey:"name" protobuf:"bytes,1,rep,name=volumes"` } // StorageSpec defines the configured storage for a etcd members. diff --git a/api/v1alpha1/etcdcluster_webhook.go b/api/v1alpha1/etcdcluster_webhook.go index df8b50ca..9aaa1e9b 100644 --- a/api/v1alpha1/etcdcluster_webhook.go +++ b/api/v1alpha1/etcdcluster_webhook.go @@ -19,6 +19,7 @@ package v1alpha1 import ( "fmt" "math" + "slices" "strings" corev1 "k8s.io/api/core/v1" @@ -66,6 +67,20 @@ func (r *EtcdCluster) Default() { } } } + etcdContainerIdx := slices.IndexFunc(r.Spec.PodTemplate.Spec.Containers, func(c corev1.Container) bool { + return c.Name == "etcd" + }) + if etcdContainerIdx == -1 { + r.Spec.PodTemplate.Spec.Containers = append(r.Spec.PodTemplate.Spec.Containers, corev1.Container{ + Name: "etcd", + Image: defaultEtcdImage, + }) + } else { + c := &r.Spec.PodTemplate.Spec.Containers[etcdContainerIdx] + if c.Image == "" { + c.Image = defaultEtcdImage + } + } } // +kubebuilder:webhook:path=/validate-etcd-aenix-io-v1alpha1-etcdcluster,mutating=false,failurePolicy=fail,sideEffects=None,groups=etcd.aenix.io,resources=etcdclusters,verbs=create;update,versions=v1alpha1,name=vetcdcluster.kb.io,admissionReviewVersions=v1 diff --git a/api/v1alpha1/zz_generated.deepcopy.go b/api/v1alpha1/zz_generated.deepcopy.go index db6f9591..37b4b383 100644 --- a/api/v1alpha1/zz_generated.deepcopy.go +++ b/api/v1alpha1/zz_generated.deepcopy.go @@ -235,12 +235,18 @@ func (in *PodDisruptionBudgetSpec) DeepCopy() *PodDisruptionBudgetSpec { // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *PodSpec) DeepCopyInto(out *PodSpec) { *out = *in + if in.Containers != nil { + in, out := &in.Containers, &out.Containers + *out = make([]corev1.Container, len(*in)) + for i := range *in { + (*in)[i].DeepCopyInto(&(*out)[i]) + } + } if in.ImagePullSecrets != nil { in, out := &in.ImagePullSecrets, &out.ImagePullSecrets *out = make([]corev1.LocalObjectReference, len(*in)) copy(*out, *in) } - in.Resources.DeepCopyInto(&out.Resources) if in.Affinity != nil { in, out := &in.Affinity, &out.Affinity *out = new(corev1.Affinity) @@ -282,28 +288,13 @@ func (in *PodSpec) DeepCopyInto(out *PodSpec) { *out = new(string) **out = **in } - if in.ExtraEnv != nil { - in, out := &in.ExtraEnv, &out.ExtraEnv - *out = make([]corev1.EnvVar, len(*in)) + if in.Volumes != nil { + in, out := &in.Volumes, &out.Volumes + *out = make([]corev1.Volume, len(*in)) for i := range *in { (*in)[i].DeepCopyInto(&(*out)[i]) } } - if in.LivenessProbe != nil { - in, out := &in.LivenessProbe, &out.LivenessProbe - *out = new(corev1.Probe) - (*in).DeepCopyInto(*out) - } - if in.ReadinessProbe != nil { - in, out := &in.ReadinessProbe, &out.ReadinessProbe - *out = new(corev1.Probe) - (*in).DeepCopyInto(*out) - } - if in.StartupProbe != nil { - in, out := &in.StartupProbe, &out.StartupProbe - *out = new(corev1.Probe) - (*in).DeepCopyInto(*out) - } } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodSpec. diff --git a/charts/etcd-operator/crds/etcd-cluster.yaml b/charts/etcd-operator/crds/etcd-cluster.yaml index 5e8b9b51..ff2c40e8 100644 --- a/charts/etcd-operator/crds/etcd-cluster.yaml +++ b/charts/etcd-operator/crds/etcd-cluster.yaml @@ -1000,546 +1000,1371 @@ spec: type: array type: object type: object - extraEnv: - description: ExtraEnv are the extra environment variables to pass to the etcd container. + containers: + description: |- + Containers allows the user to add containers to the pod and change "etcd" container if such options are not + available in the EtcdCluster custom resource. items: - description: EnvVar represents an environment variable present in a Container. + description: A single application container that you want to run within a pod. properties: - name: - description: Name of the environment variable. Must be a C_IDENTIFIER. + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment variable present in a Container. + properties: + name: + description: Name of the environment variable. Must be a C_IDENTIFIER. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment variable's value. Cannot be used if value is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema the FieldPath is written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required for volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format of the exposed resources, defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret in the pod's namespace + properties: + key: + description: The key of the secret to select from. Must be a valid secret key. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source must be a C_IDENTIFIER. All invalid keys + will be reported as an event when the container is starting. When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source of a set of ConfigMaps + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: An optional identifier to prepend to each key in the ConfigMap. Must be a C_IDENTIFIER. + type: string + secretRef: + description: The Secret to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. type: string - value: + imagePullPolicy: description: |- - Variable references $(VAR_NAME) are expanded - using the previously defined environment variables in the container and - any service environment variables. If a variable cannot be resolved, - the reference in the input string will be unchanged. Double $$ are reduced - to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. - "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". - Escaped references will never be expanded, regardless of whether the variable - exists or not. - Defaults to "". + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images type: string - valueFrom: - description: Source for the environment variable's value. Cannot be used if value is not empty. + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. properties: - configMapKeyRef: - description: Selects a key of a ConfigMap. + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks properties: - key: - description: The key to select. - type: string - name: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents the duration that the container should sleep before being terminated. + properties: + seconds: + description: Seconds is the number of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? - type: string - optional: - description: Specify whether the ConfigMap or its key must be defined - type: boolean - required: - - key + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object type: object - x-kubernetes-map-type: atomic - fieldRef: + preStop: description: |- - Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, - spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks properties: - apiVersion: - description: Version of the schema the FieldPath is written in terms of, defaults to "v1". - type: string - fieldPath: - description: Path of the field to select in the specified API version. + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents the duration that the container should sleep before being terminated. + properties: + seconds: + description: Seconds is the number of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a GRPC port. + properties: + port: + description: Port number of the gRPC service. Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. type: string required: - - fieldPath + - port type: object - x-kubernetes-map-type: atomic - resourceFieldRef: - description: |- - Selects a resource of the container: only resources limits and requests - (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + httpGet: + description: HTTPGet specifies the http request to perform. properties: - containerName: - description: 'Container name: required for volumes, optional for env vars' + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. type: string - divisor: + port: anyOf: - type: integer - type: string - description: Specifies the output format of the exposed resources, defaults to "1" - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. x-kubernetes-int-or-string: true - resource: - description: 'Required: resource to select' + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. type: string required: - - resource + - port type: object - x-kubernetes-map-type: atomic - secretKeyRef: - description: Selects a key of a secret in the pod's namespace + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving a TCP port. properties: - key: - description: The key of the secret to select from. Must be a valid secret key. + host: + description: 'Optional: Host name to connect to, defaults to the pod IP.' type: string - name: + port: + anyOf: + - type: integer + - type: string description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? - type: string - optional: - description: Specify whether the Secret or its key must be defined - type: boolean + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true required: - - key + - port type: object - x-kubernetes-map-type: atomic + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer type: object - required: - - name - type: object - type: array - image: - description: Image is the etcd container image name - type: string - imagePullPolicy: - default: IfNotPresent - description: ImagePullPolicy describes a policy for if/when to pull a container image - type: string - imagePullSecrets: - description: |- - ImagePullSecrets An optional list of references to secrets in the same namespace - to use for pulling images from registries - see https://kubernetes.io/docs/concepts/containers/images/#referring-to-an-imagepullsecrets-on-a-pod - items: - description: |- - LocalObjectReference contains enough information to let you locate the - referenced object inside the same namespace. - properties: name: description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. type: string - type: object - x-kubernetes-map-type: atomic - type: array - livenessProbe: - description: |- - LivenessProbe defines liveness probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /livez on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC port. - properties: - port: - description: Port number of the gRPC service. Number must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network port in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external port to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a GRPC port. + properties: + port: + description: Port number of the gRPC service. Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header to be used in HTTP probes + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to perform. properties: - name: + host: description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. type: string - value: - description: The header field value + httpHeaders: + description: Custom headers to set in the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. type: string - required: - - name - - value - type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object - nodeSelector: - additionalProperties: - type: string - description: NodeSelector is a selector which must be true for the pod to fit on a node. - type: object - priorityClassName: - description: PriorityClassName is the name of the PriorityClass for this pod. - type: string - readinessProbe: - description: |- - ReadinessProbe defines readiness probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /readyz on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC port. - properties: - port: - description: Port number of the gRPC service. Number must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - - - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header to be used in HTTP probes - properties: - name: + port: + anyOf: + - type: integer + - type: string description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. type: string - value: - description: The header field value + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, defaults to the pod IP.' type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true required: - - name - - value + - port type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object - resources: - description: Resources describes the compute resource requirements. - properties: - claims: - description: |- - Claims lists the names of resources, defined in spec.resourceClaims, - that are used by this container. + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: Resources resize policy for the container. + items: + description: ContainerResizePolicy represents resource resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. - This is an alpha field and requires enabling the - DynamicResourceAllocation feature gate. + This is an alpha field and requires enabling the + DynamicResourceAllocation feature gate. - This field is immutable. It can only be set for containers. - items: - description: ResourceClaim references one entry in PodSpec.ResourceClaims. + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one entry in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + RestartPolicy defines the restart behavior of individual containers in a pod. + This field may only be set for init containers, and the only allowed value is "Always". + For non-init containers or when this field is not specified, + the restart behavior is defined by the Pod's restart policy and the container type. + Setting the RestartPolicy as "Always" for the init container will have the following effect: + this init container will be continually restarted on + exit until all regular containers have terminated. Once all regular + containers have completed, all init containers with restartPolicy "Always" + will be shut down. This lifecycle differs from normal init containers and + is often referred to as a "sidecar" container. Although this init + container still starts in the init container sequence, it does not wait + for the container to complete before proceeding to the next init + container. Instead, the next init container starts immediately after this + init container is started, or after any startupProbe has successfully + completed. + type: string + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ properties: - name: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX capabilities type + type: string + type: array + drop: + description: Removed capabilities + items: + description: Capability represent POSIX capabilities type + type: string + type: array + type: object + privileged: description: |- - Name must match the name of one entry in pod.spec.resourceClaims of - the Pod where this field is used. It makes that resource available - inside a container. + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default is DefaultProcMount which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. type: string - required: - - name - type: object - type: array - x-kubernetes-list-map-keys: - - name - x-kubernetes-list-type: map - limits: - additionalProperties: - anyOf: - - type: integer - - type: string - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ - x-kubernetes-int-or-string: true - description: |- - Limits describes the maximum amount of compute resources allowed. - More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ - type: object - requests: - additionalProperties: - anyOf: - - type: integer - - type: string - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ - x-kubernetes-int-or-string: true - description: |- - Requests describes the minimum amount of compute resources required. - If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, - otherwise to an implementation-defined value. Requests cannot exceed Limits. - More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ - type: object - type: object - runtimeClassName: - description: RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used to run this pod. - type: string - schedulerName: - description: SchedulerName is the name of the scheduler to be used for scheduling the pod. - type: string - securityContext: - description: SecurityContext holds pod-level security attributes and common container settings. - properties: - fsGroup: - description: |- - A special supplemental group that applies to all containers in a pod. - Some volume types allow the Kubelet to change the ownership of that volume - to be owned by the pod: + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label that applies to the container. + type: string + role: + description: Role is a SELinux role label that applies to the container. + type: string + type: + description: Type is a SELinux type label that applies to the container. + type: string + user: + description: User is a SELinux user label that applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: - 1. The owning GID will be the FSGroup - 2. The setgid bit is set (new files created in the volume will be owned by FSGroup) - 3. The permission bits are OR'd with rw-rw---- + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is the name of the GMSA credential spec to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving a GRPC port. + properties: + port: + description: Port number of the gRPC service. Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - If unset, the Kubelet will not modify the ownership and permissions of any volume. - Note that this field cannot be set when spec.os.name is windows. - format: int64 - type: integer - fsGroupChangePolicy: - description: |- - fsGroupChangePolicy defines behavior of changing ownership and permission of the volume - before being exposed inside Pod. This field will only apply to - volume types which support fsGroup based ownership(and permissions). - It will have no effect on ephemeral volume types such as: secret, configmaps - and emptydir. - Valid values are "OnRootMismatch" and "Always". If not specified, "Always" is used. - Note that this field cannot be set when spec.os.name is windows. - type: string - runAsGroup: - description: |- - The GID to run the entrypoint of the container process. - Uses runtime default if unset. - May also be set in SecurityContext. If set in both SecurityContext and - PodSecurityContext, the value specified in SecurityContext takes precedence - for that container. - Note that this field cannot be set when spec.os.name is windows. - format: int64 - type: integer - runAsNonRoot: - description: |- - Indicates that the container must run as a non-root user. - If true, the Kubelet will validate the image at runtime to ensure that it - does not run as UID 0 (root) and fail to start the container if it does. - If unset or false, no such validation will be performed. - May also be set in SecurityContext. If set in both SecurityContext and + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving a TCP port. + properties: + host: + description: 'Optional: Host name to connect to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block devices to be used by the container. + items: + description: volumeDevice describes a mapping of a raw block device within a container. + properties: + devicePath: + description: devicePath is the path inside of the container that the device will be mapped to. + type: string + name: + description: name must match the name of a persistentVolumeClaim in the pod + type: string + required: + - devicePath + - name + type: object + type: array + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting of a Volume within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + type: string + name: + description: This must match the Name of a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array + image: + description: Image is the etcd container image name + type: string + imagePullSecrets: + description: |- + ImagePullSecrets An optional list of references to secrets in the same namespace + to use for pulling images from registries + see https://kubernetes.io/docs/concepts/containers/images/#referring-to-an-imagepullsecrets-on-a-pod + items: + description: |- + LocalObjectReference contains enough information to let you locate the + referenced object inside the same namespace. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + type: array + nodeSelector: + additionalProperties: + type: string + description: NodeSelector is a selector which must be true for the pod to fit on a node. + type: object + priorityClassName: + description: PriorityClassName is the name of the PriorityClass for this pod. + type: string + runtimeClassName: + description: RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used to run this pod. + type: string + schedulerName: + description: SchedulerName is the name of the scheduler to be used for scheduling the pod. + type: string + securityContext: + description: SecurityContext holds pod-level security attributes and common container settings. + properties: + fsGroup: + description: |- + A special supplemental group that applies to all containers in a pod. + Some volume types allow the Kubelet to change the ownership of that volume + to be owned by the pod: + + + 1. The owning GID will be the FSGroup + 2. The setgid bit is set (new files created in the volume will be owned by FSGroup) + 3. The permission bits are OR'd with rw-rw---- + + + If unset, the Kubelet will not modify the ownership and permissions of any volume. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + fsGroupChangePolicy: + description: |- + fsGroupChangePolicy defines behavior of changing ownership and permission of the volume + before being exposed inside Pod. This field will only apply to + volume types which support fsGroup based ownership(and permissions). + It will have no effect on ephemeral volume types such as: secret, configmaps + and emptydir. + Valid values are "OnRootMismatch" and "Always". If not specified, "Always" is used. + Note that this field cannot be set when spec.os.name is windows. + type: string + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in SecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence + for that container. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in SecurityContext. If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. type: boolean runAsUser: @@ -1663,154 +2488,6 @@ spec: type: string type: object type: object - startupProbe: - description: |- - StartupProbe defines startup probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /readyz?serializable=false on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC port. - properties: - port: - description: Port number of the gRPC service. Number must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - - - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header to be used in HTTP probes - properties: - name: - description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. - type: string - value: - description: The header field value - type: string - required: - - name - - value - type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object terminationGracePeriodSeconds: description: TerminationGracePeriodSeconds is the time to wait before forceful pod shutdown. format: int64 @@ -1849,187 +2526,1774 @@ spec: type: integer value: description: |- - Value is the taint value the toleration matches to. - If the operator is Exists, the value should be empty, otherwise just a regular string. - type: string - type: object - type: array - topologySpreadConstraints: - description: TopologySpreadConstraints describes how a group of pods ought to spread across topology domains. - items: - description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. - properties: - labelSelector: + Value is the taint value the toleration matches to. + If the operator is Exists, the value should be empty, otherwise just a regular string. + type: string + type: object + type: array + topologySpreadConstraints: + description: TopologySpreadConstraints describes how a group of pods ought to spread across topology domains. + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: |- + LabelSelector is used to find matching pods. + Pods that match this label selector are counted to determine the number of pods + in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select the pods over which + spreading will be calculated. The keys are used to lookup values from the + incoming pod labels, those key-value labels are ANDed with labelSelector + to select the group of existing pods over which spreading will be calculated + for the incoming pod. The same key is forbidden to exist in both MatchLabelKeys and LabelSelector. + MatchLabelKeys cannot be set when LabelSelector isn't set. + Keys that don't exist in the incoming pod labels will + be ignored. A null or empty list means only match against labelSelector. + + + This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + maxSkew: + description: |- + MaxSkew describes the degree to which pods may be unevenly distributed. + When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference + between the number of matching pods in the target topology and the global minimum. + The global minimum is the minimum number of matching pods in an eligible domain + or zero if the number of eligible domains is less than MinDomains. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 2/2/1: + In this case, the global minimum is 1. + | zone1 | zone2 | zone3 | + | P P | P P | P | + - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 2/2/2; + scheduling it onto zone1(zone2) would make the ActualSkew(3-1) on zone1(zone2) + violate MaxSkew(1). + - if MaxSkew is 2, incoming pod can be scheduled onto any zone. + When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence + to topologies that satisfy it. + It's a required field. Default value is 1 and 0 is not allowed. + format: int32 + type: integer + minDomains: + description: |- + MinDomains indicates a minimum number of eligible domains. + When the number of eligible domains with matching topology keys is less than minDomains, + Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed. + And when the number of eligible domains with matching topology keys equals or greater than minDomains, + this value has no effect on scheduling. + As a result, when the number of eligible domains is less than minDomains, + scheduler won't schedule more than maxSkew Pods to those domains. + If value is nil, the constraint behaves as if MinDomains is equal to 1. + Valid values are integers greater than 0. + When value is not nil, WhenUnsatisfiable must be DoNotSchedule. + + + For example, in a 3-zone cluster, MaxSkew is set to 2, MinDomains is set to 5 and pods with the same + labelSelector spread as 2/2/2: + | zone1 | zone2 | zone3 | + | P P | P P | P P | + The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0. + In this situation, new pod with the same labelSelector cannot be scheduled, + because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones, + it will violate MaxSkew. + + + This is a beta field and requires the MinDomainsInPodTopologySpread feature gate to be enabled (enabled by default). + format: int32 + type: integer + nodeAffinityPolicy: + description: |- + NodeAffinityPolicy indicates how we will treat Pod's nodeAffinity/nodeSelector + when calculating pod topology spread skew. Options are: + - Honor: only nodes matching nodeAffinity/nodeSelector are included in the calculations. + - Ignore: nodeAffinity/nodeSelector are ignored. All nodes are included in the calculations. + + + If this value is nil, the behavior is equivalent to the Honor policy. + This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. + type: string + nodeTaintsPolicy: + description: |- + NodeTaintsPolicy indicates how we will treat node taints when calculating + pod topology spread skew. Options are: + - Honor: nodes without taints, along with tainted nodes for which the incoming pod + has a toleration, are included. + - Ignore: node taints are ignored. All nodes are included. + + + If this value is nil, the behavior is equivalent to the Ignore policy. + This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. + type: string + topologyKey: + description: |- + TopologyKey is the key of node labels. Nodes that have a label with this key + and identical values are considered to be in the same topology. + We consider each as a "bucket", and try to put balanced number + of pods into each bucket. + We define a domain as a particular instance of a topology. + Also, we define an eligible domain as a domain whose nodes meet the requirements of + nodeAffinityPolicy and nodeTaintsPolicy. + e.g. If TopologyKey is "kubernetes.io/hostname", each Node is a domain of that topology. + And, if TopologyKey is "topology.kubernetes.io/zone", each zone is a domain of that topology. + It's a required field. + type: string + whenUnsatisfiable: + description: |- + WhenUnsatisfiable indicates how to deal with a pod if it doesn't satisfy + the spread constraint. + - DoNotSchedule (default) tells the scheduler not to schedule it. + - ScheduleAnyway tells the scheduler to schedule the pod in any location, + but giving higher precedence to topologies that would help reduce the + skew. + A constraint is considered "Unsatisfiable" for an incoming pod + if and only if every possible node assignment for that pod would violate + "MaxSkew" on some topology. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 3/1/1: + | zone1 | zone2 | zone3 | + | P P P | P | P | + If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled + to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies + MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler + won't make it *more* imbalanced. + It's a required field. + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array + volumes: + description: Volumes are volumes for being used by the pods. Cannot collide with "data" volume used by etcd. + items: + description: Volume represents a named volume in a pod that may be accessed by any container in the pod. + properties: + awsElasticBlockStore: + description: |- + awsElasticBlockStore represents an AWS Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + format: int32 + type: integer + readOnly: + description: |- + readOnly value true will force the readOnly setting in VolumeMounts. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: boolean + volumeID: + description: |- + volumeID is unique ID of the persistent disk resource in AWS (Amazon EBS volume). + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: string + required: + - volumeID + type: object + azureDisk: + description: azureDisk represents an Azure Data Disk mount on the host and bind mount to the pod. + properties: + cachingMode: + description: 'cachingMode is the Host Caching mode: None, Read Only, Read Write.' + type: string + diskName: + description: diskName is the Name of the data disk in the blob storage + type: string + diskURI: + description: diskURI is the URI of data disk in the blob storage + type: string + fsType: + description: |- + fsType is Filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + kind: + description: 'kind expected values are Shared: multiple blob disks per storage account Dedicated: single blob disk per storage account Managed: azure managed data disk (only in managed availability set). defaults to shared' + type: string + readOnly: + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + required: + - diskName + - diskURI + type: object + azureFile: + description: azureFile represents an Azure File Service mount on the host and bind mount to the pod. + properties: + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretName: + description: secretName is the name of secret that contains Azure Storage Account Name and Key + type: string + shareName: + description: shareName is the azure share Name + type: string + required: + - secretName + - shareName + type: object + cephfs: + description: cephFS represents a Ceph FS mount on the host that shares a pod's lifetime + properties: + monitors: + description: |- + monitors is Required: Monitors is a collection of Ceph monitors + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + items: + type: string + type: array + path: + description: 'path is Optional: Used as the mounted root, rather than the full Ceph tree, default is /' + type: string + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: boolean + secretFile: + description: |- + secretFile is Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + secretRef: + description: |- + secretRef is Optional: SecretRef is reference to the authentication secret for User, default is empty. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + user: + description: |- + user is optional: User is the rados user name, default is admin + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + required: + - monitors + type: object + cinder: + description: |- + cinder represents a cinder volume attached and mounted on kubelets host machine. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: boolean + secretRef: + description: |- + secretRef is optional: points to a secret object containing parameters used to connect + to OpenStack. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + volumeID: + description: |- + volumeID used to identify the volume in cinder. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + required: + - volumeID + type: object + configMap: + description: configMap represents a configMap that should populate this volume + properties: + defaultMode: + description: |- + defaultMode is optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional specify whether the ConfigMap or its keys must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + csi: + description: csi (Container Storage Interface) represents ephemeral storage that is handled by certain external CSI drivers (Beta feature). + properties: + driver: + description: |- + driver is the name of the CSI driver that handles this volume. + Consult with your admin for the correct name as registered in the cluster. + type: string + fsType: + description: |- + fsType to mount. Ex. "ext4", "xfs", "ntfs". + If not provided, the empty value is passed to the associated CSI driver + which will determine the default filesystem to apply. + type: string + nodePublishSecretRef: + description: |- + nodePublishSecretRef is a reference to the secret object containing + sensitive information to pass to the CSI driver to complete the CSI + NodePublishVolume and NodeUnpublishVolume calls. + This field is optional, and may be empty if no secret is required. If the + secret object contains more than one secret, all secret references are passed. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + readOnly: + description: |- + readOnly specifies a read-only configuration for the volume. + Defaults to false (read/write). + type: boolean + volumeAttributes: + additionalProperties: + type: string + description: |- + volumeAttributes stores driver-specific properties that are passed to the CSI + driver. Consult your driver's documentation for supported values. + type: object + required: + - driver + type: object + downwardAPI: + description: downwardAPI represents downward API about the pod that should populate this volume + properties: + defaultMode: + description: |- + Optional: mode bits to use on created files by default. Must be a + Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: Items is a list of downward API volume file + items: + description: DownwardAPIVolumeFile represents information to create the file containing the pod field + properties: + fieldRef: + description: 'Required: Selects a field of the pod: only annotations, labels, name and namespace are supported.' + properties: + apiVersion: + description: Version of the schema the FieldPath is written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path is the relative path name of the file to be created. Must not be absolute or contain the ''..'' path. Must be utf-8 encoded. The first item of the relative path must not start with ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container name: required for volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format of the exposed resources, defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + type: object + emptyDir: + description: |- + emptyDir represents a temporary directory that shares a pod's lifetime. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + properties: + medium: + description: |- + medium represents what type of storage medium should back this directory. + The default is "" which means to use the node's default medium. + Must be an empty string (default) or Memory. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + type: string + sizeLimit: + anyOf: + - type: integer + - type: string + description: |- + sizeLimit is the total amount of local storage required for this EmptyDir volume. + The size limit is also applicable for memory medium. + The maximum usage on memory medium EmptyDir would be the minimum value between + the SizeLimit specified here and the sum of memory limits of all containers in a pod. + The default is nil which means that the limit is undefined. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + type: object + ephemeral: + description: |- + ephemeral represents a volume that is handled by a cluster storage driver. + The volume's lifecycle is tied to the pod that defines it - it will be created before the pod starts, + and deleted when the pod is removed. + + + Use this if: + a) the volume is only needed while the pod runs, + b) features of normal volumes like restoring from snapshot or capacity + tracking are needed, + c) the storage driver is specified through a storage class, and + d) the storage driver supports dynamic volume provisioning through + a PersistentVolumeClaim (see EphemeralVolumeSource for more + information on the connection between this volume type + and PersistentVolumeClaim). + + + Use PersistentVolumeClaim or one of the vendor-specific + APIs for volumes that persist for longer than the lifecycle + of an individual pod. + + + Use CSI for light-weight local ephemeral volumes if the CSI driver is meant to + be used that way - see the documentation of the driver for + more information. + + + A pod can use both types of ephemeral volumes and + persistent volumes at the same time. + properties: + volumeClaimTemplate: + description: |- + Will be used to create a stand-alone PVC to provision the volume. + The pod in which this EphemeralVolumeSource is embedded will be the + owner of the PVC, i.e. the PVC will be deleted together with the + pod. The name of the PVC will be `-` where + `` is the name from the `PodSpec.Volumes` array + entry. Pod validation will reject the pod if the concatenated name + is not valid for a PVC (for example, too long). + + + An existing PVC with that name that is not owned by the pod + will *not* be used for the pod to avoid using an unrelated + volume by mistake. Starting the pod is then blocked until + the unrelated PVC is removed. If such a pre-created PVC is + meant to be used by the pod, the PVC has to updated with an + owner reference to the pod once the pod exists. Normally + this should not be necessary, but it may be useful when + manually reconstructing a broken cluster. + + + This field is read-only and no changes will be made by Kubernetes + to the PVC after it has been created. + + + Required, must not be nil. + properties: + metadata: + description: |- + May contain labels and annotations that will be copied into the PVC + when creating it. No other fields are allowed and will be rejected during + validation. + type: object + spec: + description: |- + The specification for the PersistentVolumeClaim. The entire content is + copied unchanged into the PVC that gets created from this + template. The same fields as in a PersistentVolumeClaim + are also valid here. + properties: + accessModes: + description: |- + accessModes contains the desired access modes the volume should have. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1 + items: + type: string + type: array + dataSource: + description: |- + dataSource field can be used to specify either: + * An existing VolumeSnapshot object (snapshot.storage.k8s.io/VolumeSnapshot) + * An existing PVC (PersistentVolumeClaim) + If the provisioner or an external controller can support the specified data source, + it will create a new volume based on the contents of the specified data source. + When the AnyVolumeDataSource feature gate is enabled, dataSource contents will be copied to dataSourceRef, + and dataSourceRef contents will be copied to dataSource when dataSourceRef.namespace is not specified. + If the namespace is specified, then dataSourceRef will not be copied to dataSource. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type of resource being referenced + type: string + name: + description: Name is the name of resource being referenced + type: string + required: + - kind + - name + type: object + x-kubernetes-map-type: atomic + dataSourceRef: + description: |- + dataSourceRef specifies the object from which to populate the volume with data, if a non-empty + volume is desired. This may be any object from a non-empty API group (non + core object) or a PersistentVolumeClaim object. + When this field is specified, volume binding will only succeed if the type of + the specified object matches some installed volume populator or dynamic + provisioner. + This field will replace the functionality of the dataSource field and as such + if both fields are non-empty, they must have the same value. For backwards + compatibility, when namespace isn't specified in dataSourceRef, + both fields (dataSource and dataSourceRef) will be set to the same + value automatically if one of them is empty and the other is non-empty. + When namespace is specified in dataSourceRef, + dataSource isn't set to the same value and must be empty. + There are three important differences between dataSource and dataSourceRef: + * While dataSource only allows two specific types of objects, dataSourceRef + allows any non-core object, as well as PersistentVolumeClaim objects. + * While dataSource ignores disallowed values (dropping them), dataSourceRef + preserves all values, and generates an error if a disallowed value is + specified. + * While dataSource only allows local objects, dataSourceRef allows objects + in any namespaces. + (Beta) Using this field requires the AnyVolumeDataSource feature gate to be enabled. + (Alpha) Using the namespace field of dataSourceRef requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type of resource being referenced + type: string + name: + description: Name is the name of resource being referenced + type: string + namespace: + description: |- + Namespace is the namespace of resource being referenced + Note that when a namespace is specified, a gateway.networking.k8s.io/ReferenceGrant object is required in the referent namespace to allow that namespace's owner to accept the reference. See the ReferenceGrant documentation for details. + (Alpha) This field requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + type: string + required: + - kind + - name + type: object + resources: + description: |- + resources represents the minimum resources the volume should have. + If RecoverVolumeExpansionFailure feature is enabled users are allowed to specify resource requirements + that are lower than previous value but must still be higher than capacity recorded in the + status field of the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources + properties: + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + selector: + description: selector is a label query over volumes to consider for binding. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + storageClassName: + description: |- + storageClassName is the name of the StorageClass required by the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1 + type: string + volumeAttributesClassName: + description: |- + volumeAttributesClassName may be used to set the VolumeAttributesClass used by this claim. + If specified, the CSI driver will create or update the volume with the attributes defined + in the corresponding VolumeAttributesClass. This has a different purpose than storageClassName, + it can be changed after the claim is created. An empty string value means that no VolumeAttributesClass + will be applied to the claim but it's not allowed to reset this field to empty string once it is set. + If unspecified and the PersistentVolumeClaim is unbound, the default VolumeAttributesClass + will be set by the persistentvolume controller if it exists. + If the resource referred to by volumeAttributesClass does not exist, this PersistentVolumeClaim will be + set to a Pending state, as reflected by the modifyVolumeStatus field, until such as a resource + exists. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#volumeattributesclass + (Alpha) Using this field requires the VolumeAttributesClass feature gate to be enabled. + type: string + volumeMode: + description: |- + volumeMode defines what type of volume is required by the claim. + Value of Filesystem is implied when not included in claim spec. + type: string + volumeName: + description: volumeName is the binding reference to the PersistentVolume backing this claim. + type: string + type: object + required: + - spec + type: object + type: object + fc: + description: fc represents a Fibre Channel resource that is attached to a kubelet's host machine and then exposed to the pod. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + lun: + description: 'lun is Optional: FC target lun number' + format: int32 + type: integer + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + targetWWNs: + description: 'targetWWNs is Optional: FC target worldwide names (WWNs)' + items: + type: string + type: array + wwids: + description: |- + wwids Optional: FC volume world wide identifiers (wwids) + Either wwids or combination of targetWWNs and lun must be set, but not both simultaneously. + items: + type: string + type: array + type: object + flexVolume: + description: |- + flexVolume represents a generic volume resource that is + provisioned/attached using an exec based plugin. + properties: + driver: + description: driver is the name of the driver to use for this volume. + type: string + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script. + type: string + options: + additionalProperties: + type: string + description: 'options is Optional: this field holds extra command options if any.' + type: object + readOnly: + description: |- + readOnly is Optional: defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef is Optional: secretRef is reference to the secret object containing + sensitive information to pass to the plugin scripts. This may be + empty if no secret object is specified. If the secret object + contains more than one secret, all secrets are passed to the plugin + scripts. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + required: + - driver + type: object + flocker: + description: flocker represents a Flocker volume attached to a kubelet's host machine. This depends on the Flocker control service being running + properties: + datasetName: + description: |- + datasetName is Name of the dataset stored as metadata -> name on the dataset for Flocker + should be considered as deprecated + type: string + datasetUUID: + description: datasetUUID is the UUID of the dataset. This is unique identifier of a Flocker dataset + type: string + type: object + gcePersistentDisk: + description: |- + gcePersistentDisk represents a GCE Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + properties: + fsType: + description: |- + fsType is filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + format: int32 + type: integer + pdName: + description: |- + pdName is unique name of the PD resource in GCE. Used to identify the disk in GCE. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: boolean + required: + - pdName + type: object + gitRepo: + description: |- + gitRepo represents a git repository at a particular revision. + DEPRECATED: GitRepo is deprecated. To provision a container with a git repo, mount an + EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir + into the Pod's container. + properties: + directory: + description: |- + directory is the target directory name. + Must not contain or start with '..'. If '.' is supplied, the volume directory will be the + git repository. Otherwise, if specified, the volume will contain the git repository in + the subdirectory with the given name. + type: string + repository: + description: repository is the URL + type: string + revision: + description: revision is the commit hash for the specified revision. + type: string + required: + - repository + type: object + glusterfs: + description: |- + glusterfs represents a Glusterfs mount on the host that shares a pod's lifetime. + More info: https://examples.k8s.io/volumes/glusterfs/README.md + properties: + endpoints: + description: |- + endpoints is the endpoint name that details Glusterfs topology. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: string + path: + description: |- + path is the Glusterfs volume path. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: string + readOnly: + description: |- + readOnly here will force the Glusterfs volume to be mounted with read-only permissions. + Defaults to false. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: boolean + required: + - endpoints + - path + type: object + hostPath: + description: |- + hostPath represents a pre-existing file or directory on the host + machine that is directly exposed to the container. This is generally + used for system agents or other privileged things that are allowed + to see the host machine. Most containers will NOT need this. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + --- + TODO(jonesdl) We need to restrict who can use host directory mounts and who can/can not + mount host directories as read/write. + properties: + path: + description: |- + path of the directory on the host. + If the path is a symlink, it will follow the link to the real path. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + type: + description: |- + type for HostPath Volume + Defaults to "" + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + required: + - path + type: object + iscsi: + description: |- + iscsi represents an ISCSI Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://examples.k8s.io/volumes/iscsi/README.md + properties: + chapAuthDiscovery: + description: chapAuthDiscovery defines whether support iSCSI Discovery CHAP authentication + type: boolean + chapAuthSession: + description: chapAuthSession defines whether support iSCSI Session CHAP authentication + type: boolean + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#iscsi + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + initiatorName: + description: |- + initiatorName is the custom iSCSI Initiator Name. + If initiatorName is specified with iscsiInterface simultaneously, new iSCSI interface + : will be created for the connection. + type: string + iqn: + description: iqn is the target iSCSI Qualified Name. + type: string + iscsiInterface: + description: |- + iscsiInterface is the interface Name that uses an iSCSI transport. + Defaults to 'default' (tcp). + type: string + lun: + description: lun represents iSCSI Target Lun number. + format: int32 + type: integer + portals: + description: |- + portals is the iSCSI Target Portal List. The portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + items: + type: string + type: array + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + type: boolean + secretRef: + description: secretRef is the CHAP Secret for iSCSI target and initiator authentication + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + targetPortal: + description: |- + targetPortal is iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + type: string + required: + - iqn + - lun + - targetPortal + type: object + name: + description: |- + name of the volume. + Must be a DNS_LABEL and unique within the pod. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + nfs: + description: |- + nfs represents an NFS mount on the host that shares a pod's lifetime + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + properties: + path: + description: |- + path that is exported by the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + readOnly: + description: |- + readOnly here will force the NFS export to be mounted with read-only permissions. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: boolean + server: + description: |- + server is the hostname or IP address of the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + required: + - path + - server + type: object + persistentVolumeClaim: + description: |- + persistentVolumeClaimVolumeSource represents a reference to a + PersistentVolumeClaim in the same namespace. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + properties: + claimName: + description: |- + claimName is the name of a PersistentVolumeClaim in the same namespace as the pod using this volume. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + type: string + readOnly: + description: |- + readOnly Will force the ReadOnly setting in VolumeMounts. + Default false. + type: boolean + required: + - claimName + type: object + photonPersistentDisk: + description: photonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + pdID: + description: pdID is the ID that identifies Photon Controller persistent disk + type: string + required: + - pdID + type: object + portworxVolume: + description: portworxVolume represents a portworx volume attached and mounted on kubelets host machine + properties: + fsType: + description: |- + fSType represents the filesystem type to mount + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + volumeID: + description: volumeID uniquely identifies a Portworx volume + type: string + required: + - volumeID + type: object + projected: + description: projected items for all in one resources secrets, configmaps, and downward API + properties: + defaultMode: + description: |- + defaultMode are the mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + sources: + description: sources is the list of volume projections + items: + description: Projection that may be projected along with other supported volume types + properties: + clusterTrustBundle: + description: |- + ClusterTrustBundle allows a pod to access the `.spec.trustBundle` field + of ClusterTrustBundle objects in an auto-updating file. + + + Alpha, gated by the ClusterTrustBundleProjection feature gate. + + + ClusterTrustBundle objects can either be selected by name, or by the + combination of signer name and a label selector. + + + Kubelet performs aggressive normalization of the PEM contents written + into the pod filesystem. Esoteric PEM features such as inter-block + comments and block headers are stripped. Certificates are deduplicated. + The ordering of certificates within the file is arbitrary, and Kubelet + may change the order over time. + properties: + labelSelector: + description: |- + Select all ClusterTrustBundles that match this label selector. Only has + effect if signerName is set. Mutually-exclusive with name. If unset, + interpreted as "match nothing". If set but empty, interpreted as "match + everything". + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + name: + description: |- + Select a single ClusterTrustBundle by object name. Mutually-exclusive + with signerName and labelSelector. + type: string + optional: + description: |- + If true, don't block pod startup if the referenced ClusterTrustBundle(s) + aren't available. If using name, then the named ClusterTrustBundle is + allowed not to exist. If using signerName, then the combination of + signerName and labelSelector is allowed to match zero + ClusterTrustBundles. + type: boolean + path: + description: Relative path from the volume root to write the bundle. + type: string + signerName: + description: |- + Select all ClusterTrustBundles that match this signer name. + Mutually-exclusive with name. The contents of all selected + ClusterTrustBundles will be unified and deduplicated. + type: string + required: + - path + type: object + configMap: + description: configMap information about the configMap data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional specify whether the ConfigMap or its keys must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + downwardAPI: + description: downwardAPI information about the downwardAPI data to project + properties: + items: + description: Items is a list of DownwardAPIVolume file + items: + description: DownwardAPIVolumeFile represents information to create the file containing the pod field + properties: + fieldRef: + description: 'Required: Selects a field of the pod: only annotations, labels, name and namespace are supported.' + properties: + apiVersion: + description: Version of the schema the FieldPath is written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path is the relative path name of the file to be created. Must not be absolute or contain the ''..'' path. Must be utf-8 encoded. The first item of the relative path must not start with ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container name: required for volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format of the exposed resources, defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + type: object + secret: + description: secret information about the secret data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional field specify whether the Secret or its key must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + serviceAccountToken: + description: serviceAccountToken is information about the serviceAccountToken data to project + properties: + audience: + description: |- + audience is the intended audience of the token. A recipient of a token + must identify itself with an identifier specified in the audience of the + token, and otherwise should reject the token. The audience defaults to the + identifier of the apiserver. + type: string + expirationSeconds: + description: |- + expirationSeconds is the requested duration of validity of the service + account token. As the token approaches expiration, the kubelet volume + plugin will proactively rotate the service account token. The kubelet will + start trying to rotate the token if the token is older than 80 percent of + its time to live or if the token is older than 24 hours.Defaults to 1 hour + and must be at least 10 minutes. + format: int64 + type: integer + path: + description: |- + path is the path relative to the mount point of the file to project the + token into. + type: string + required: + - path + type: object + type: object + type: array + type: object + quobyte: + description: quobyte represents a Quobyte mount on the host that shares a pod's lifetime + properties: + group: + description: |- + group to map volume access to + Default is no group + type: string + readOnly: + description: |- + readOnly here will force the Quobyte volume to be mounted with read-only permissions. + Defaults to false. + type: boolean + registry: + description: |- + registry represents a single or multiple Quobyte Registry services + specified as a string as host:port pair (multiple entries are separated with commas) + which acts as the central registry for volumes + type: string + tenant: + description: |- + tenant owning the given Quobyte volume in the Backend + Used with dynamically provisioned Quobyte volumes, value is set by the plugin + type: string + user: + description: |- + user to map volume access to + Defaults to serivceaccount user + type: string + volume: + description: volume is a string that references an already created Quobyte volume by name. + type: string + required: + - registry + - volume + type: object + rbd: + description: |- + rbd represents a Rados Block Device mount on the host that shares a pod's lifetime. + More info: https://examples.k8s.io/volumes/rbd/README.md + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + image: + description: |- + image is the rados image name. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + keyring: + description: |- + keyring is the path to key ring for RBDUser. + Default is /etc/ceph/keyring. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + monitors: + description: |- + monitors is a collection of Ceph monitors. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + items: + type: string + type: array + pool: + description: |- + pool is the rados pool name. + Default is rbd. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: boolean + secretRef: + description: |- + secretRef is name of the authentication secret for RBDUser. If provided + overrides keyring. + Default is nil. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + user: + description: |- + user is the rados user name. + Default is admin. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + required: + - image + - monitors + type: object + scaleIO: + description: scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". + Default is "xfs". + type: string + gateway: + description: gateway is the host address of the ScaleIO API Gateway. + type: string + protectionDomain: + description: protectionDomain is the name of the ScaleIO Protection Domain for the configured storage. + type: string + readOnly: + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef references to the secret for ScaleIO user and other + sensitive information. If this is not provided, Login operation will fail. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + sslEnabled: + description: sslEnabled Flag enable/disable SSL communication with Gateway, default false + type: boolean + storageMode: + description: |- + storageMode indicates whether the storage for a volume should be ThickProvisioned or ThinProvisioned. + Default is ThinProvisioned. + type: string + storagePool: + description: storagePool is the ScaleIO Storage Pool associated with the protection domain. + type: string + system: + description: system is the name of the storage system as configured in ScaleIO. + type: string + volumeName: + description: |- + volumeName is the name of a volume already created in the ScaleIO system + that is associated with this volume source. + type: string + required: + - gateway + - secretRef + - system + type: object + secret: description: |- - LabelSelector is used to find matching pods. - Pods that match this label selector are counted to determine the number of pods - in their corresponding topology domain. + secret represents a secret that should populate this volume. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret properties: - matchExpressions: - description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + defaultMode: + description: |- + defaultMode is Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values + for mode bits. Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items If unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. items: - description: |- - A label selector requirement is a selector that contains values, a key, and an operator that - relates the key and values. + description: Maps a string key to a path within a volume. properties: key: - description: key is the label key that the selector applies to. + description: key is the key to project. type: string - operator: + mode: description: |- - operator represents a key's relationship to a set of values. - Valid operators are In, NotIn, Exists and DoesNotExist. - type: string - values: + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: description: |- - values is an array of string values. If the operator is In or NotIn, - the values array must be non-empty. If the operator is Exists or DoesNotExist, - the values array must be empty. This array is replaced during a strategic - merge patch. - items: - type: string - type: array + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string required: - key - - operator + - path type: object type: array - matchLabels: - additionalProperties: - type: string + optional: + description: optional field specify whether the Secret or its keys must be defined + type: boolean + secretName: description: |- - matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels - map is equivalent to an element of matchExpressions, whose key field is "key", the - operator is "In", and the values array contains only "value". The requirements are ANDed. + secretName is the name of the secret in the pod's namespace to use. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret + type: string + type: object + storageos: + description: storageOS represents a StorageOS volume attached and mounted on Kubernetes nodes. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef specifies the secret to use for obtaining the StorageOS API + credentials. If not specified, default values will be attempted. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string type: object + x-kubernetes-map-type: atomic + volumeName: + description: |- + volumeName is the human-readable name of the StorageOS volume. Volume + names are only unique within a namespace. + type: string + volumeNamespace: + description: |- + volumeNamespace specifies the scope of the volume within StorageOS. If no + namespace is specified then the Pod's namespace will be used. This allows the + Kubernetes name scoping to be mirrored within StorageOS for tighter integration. + Set VolumeName to any name to override the default behaviour. + Set to "default" if you are not using namespaces within StorageOS. + Namespaces that do not pre-exist within StorageOS will be created. + type: string + type: object + vsphereVolume: + description: vsphereVolume represents a vSphere volume attached and mounted on kubelets host machine + properties: + fsType: + description: |- + fsType is filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + storagePolicyID: + description: storagePolicyID is the storage Policy Based Management (SPBM) profile ID associated with the StoragePolicyName. + type: string + storagePolicyName: + description: storagePolicyName is the storage Policy Based Management (SPBM) profile name. + type: string + volumePath: + description: volumePath is the path that identifies vSphere volume vmdk + type: string + required: + - volumePath type: object - x-kubernetes-map-type: atomic - matchLabelKeys: - description: |- - MatchLabelKeys is a set of pod label keys to select the pods over which - spreading will be calculated. The keys are used to lookup values from the - incoming pod labels, those key-value labels are ANDed with labelSelector - to select the group of existing pods over which spreading will be calculated - for the incoming pod. The same key is forbidden to exist in both MatchLabelKeys and LabelSelector. - MatchLabelKeys cannot be set when LabelSelector isn't set. - Keys that don't exist in the incoming pod labels will - be ignored. A null or empty list means only match against labelSelector. - - - This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default). - items: - type: string - type: array - x-kubernetes-list-type: atomic - maxSkew: - description: |- - MaxSkew describes the degree to which pods may be unevenly distributed. - When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference - between the number of matching pods in the target topology and the global minimum. - The global minimum is the minimum number of matching pods in an eligible domain - or zero if the number of eligible domains is less than MinDomains. - For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same - labelSelector spread as 2/2/1: - In this case, the global minimum is 1. - | zone1 | zone2 | zone3 | - | P P | P P | P | - - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 2/2/2; - scheduling it onto zone1(zone2) would make the ActualSkew(3-1) on zone1(zone2) - violate MaxSkew(1). - - if MaxSkew is 2, incoming pod can be scheduled onto any zone. - When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence - to topologies that satisfy it. - It's a required field. Default value is 1 and 0 is not allowed. - format: int32 - type: integer - minDomains: - description: |- - MinDomains indicates a minimum number of eligible domains. - When the number of eligible domains with matching topology keys is less than minDomains, - Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed. - And when the number of eligible domains with matching topology keys equals or greater than minDomains, - this value has no effect on scheduling. - As a result, when the number of eligible domains is less than minDomains, - scheduler won't schedule more than maxSkew Pods to those domains. - If value is nil, the constraint behaves as if MinDomains is equal to 1. - Valid values are integers greater than 0. - When value is not nil, WhenUnsatisfiable must be DoNotSchedule. - - - For example, in a 3-zone cluster, MaxSkew is set to 2, MinDomains is set to 5 and pods with the same - labelSelector spread as 2/2/2: - | zone1 | zone2 | zone3 | - | P P | P P | P P | - The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0. - In this situation, new pod with the same labelSelector cannot be scheduled, - because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones, - it will violate MaxSkew. - - - This is a beta field and requires the MinDomainsInPodTopologySpread feature gate to be enabled (enabled by default). - format: int32 - type: integer - nodeAffinityPolicy: - description: |- - NodeAffinityPolicy indicates how we will treat Pod's nodeAffinity/nodeSelector - when calculating pod topology spread skew. Options are: - - Honor: only nodes matching nodeAffinity/nodeSelector are included in the calculations. - - Ignore: nodeAffinity/nodeSelector are ignored. All nodes are included in the calculations. - - - If this value is nil, the behavior is equivalent to the Honor policy. - This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. - type: string - nodeTaintsPolicy: - description: |- - NodeTaintsPolicy indicates how we will treat node taints when calculating - pod topology spread skew. Options are: - - Honor: nodes without taints, along with tainted nodes for which the incoming pod - has a toleration, are included. - - Ignore: node taints are ignored. All nodes are included. - - - If this value is nil, the behavior is equivalent to the Ignore policy. - This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. - type: string - topologyKey: - description: |- - TopologyKey is the key of node labels. Nodes that have a label with this key - and identical values are considered to be in the same topology. - We consider each as a "bucket", and try to put balanced number - of pods into each bucket. - We define a domain as a particular instance of a topology. - Also, we define an eligible domain as a domain whose nodes meet the requirements of - nodeAffinityPolicy and nodeTaintsPolicy. - e.g. If TopologyKey is "kubernetes.io/hostname", each Node is a domain of that topology. - And, if TopologyKey is "topology.kubernetes.io/zone", each zone is a domain of that topology. - It's a required field. - type: string - whenUnsatisfiable: - description: |- - WhenUnsatisfiable indicates how to deal with a pod if it doesn't satisfy - the spread constraint. - - DoNotSchedule (default) tells the scheduler not to schedule it. - - ScheduleAnyway tells the scheduler to schedule the pod in any location, - but giving higher precedence to topologies that would help reduce the - skew. - A constraint is considered "Unsatisfiable" for an incoming pod - if and only if every possible node assignment for that pod would violate - "MaxSkew" on some topology. - For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same - labelSelector spread as 3/1/1: - | zone1 | zone2 | zone3 | - | P P P | P | P | - If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled - to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies - MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler - won't make it *more* imbalanced. - It's a required field. - type: string required: - - maxSkew - - topologyKey - - whenUnsatisfiable + - name type: object type: array type: object diff --git a/config/crd/bases/etcd.aenix.io_etcdclusters.yaml b/config/crd/bases/etcd.aenix.io_etcdclusters.yaml index f9c52113..19ffa53b 100644 --- a/config/crd/bases/etcd.aenix.io_etcdclusters.yaml +++ b/config/crd/bases/etcd.aenix.io_etcdclusters.yaml @@ -1047,571 +1047,1442 @@ spec: type: array type: object type: object - extraEnv: - description: ExtraEnv are the extra environment variables - to pass to the etcd container. + containers: + description: |- + Containers allows the user to add containers to the pod and change "etcd" container if such options are not + available in the EtcdCluster custom resource. items: - description: EnvVar represents an environment variable present - in a Container. + description: A single application container that you want + to run within a pod. properties: - name: - description: Name of the environment variable. Must - be a C_IDENTIFIER. + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment variable + present in a Container. + properties: + name: + description: Name of the environment variable. + Must be a C_IDENTIFIER. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment variable's + value. Cannot be used if value is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema the + FieldPath is written in terms of, defaults + to "v1". + type: string + fieldPath: + description: Path of the field to select + in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format + of the exposed resources, defaults to + "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret in + the pod's namespace + properties: + key: + description: The key of the secret to + select from. Must be a valid secret + key. + type: string + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret + or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source must be a C_IDENTIFIER. All invalid keys + will be reported as an event when the container is starting. When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source of + a set of ConfigMaps + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the ConfigMap + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: An optional identifier to prepend + to each key in the ConfigMap. Must be a C_IDENTIFIER. + type: string + secretRef: + description: The Secret to select from + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: Specify whether the Secret must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. type: string - value: + imagePullPolicy: description: |- - Variable references $(VAR_NAME) are expanded - using the previously defined environment variables in the container and - any service environment variables. If a variable cannot be resolved, - the reference in the input string will be unchanged. Double $$ are reduced - to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. - "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". - Escaped references will never be expanded, regardless of whether the variable - exists or not. - Defaults to "". + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images type: string - valueFrom: - description: Source for the environment variable's value. - Cannot be used if value is not empty. + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. properties: - configMapKeyRef: - description: Selects a key of a ConfigMap. + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks properties: - key: - description: The key to select. - type: string - name: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents the duration that + the container should sleep before being terminated. + properties: + seconds: + description: Seconds is the number of seconds + to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? - type: string - optional: - description: Specify whether the ConfigMap or - its key must be defined - type: boolean - required: - - key + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object type: object - x-kubernetes-map-type: atomic - fieldRef: + preStop: description: |- - Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, - spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks properties: - apiVersion: - description: Version of the schema the FieldPath - is written in terms of, defaults to "v1". - type: string - fieldPath: - description: Path of the field to select in - the specified API version. + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the + request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents the duration that + the container should sleep before being terminated. + properties: + seconds: + description: Seconds is the number of seconds + to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for the backward compatibility. There are no validation of this field and + lifecycle hooks will fail in runtime when tcp handler is specified. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving + a GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + + If this is not specified, the default behavior is defined by gRPC. type: string required: - - fieldPath + - port type: object - x-kubernetes-map-type: atomic - resourceFieldRef: - description: |- - Selects a resource of the container: only resources limits and requests - (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + httpGet: + description: HTTPGet specifies the http request + to perform. properties: - containerName: - description: 'Container name: required for volumes, - optional for env vars' + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. type: string - divisor: + port: anyOf: - type: integer - type: string - description: Specifies the output format of - the exposed resources, defaults to "1" - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. x-kubernetes-int-or-string: true - resource: - description: 'Required: resource to select' + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. type: string required: - - resource + - port type: object - x-kubernetes-map-type: atomic - secretKeyRef: - description: Selects a key of a secret in the pod's - namespace + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. properties: - key: - description: The key of the secret to select - from. Must be a valid secret key. + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' type: string - name: + port: + anyOf: + - type: integer + - type: string description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? - type: string - optional: - description: Specify whether the Secret or its - key must be defined - type: boolean + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true required: - - key + - port type: object - x-kubernetes-map-type: atomic + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer type: object - required: - - name - type: object - type: array - image: - description: Image is the etcd container image name - type: string - imagePullPolicy: - default: IfNotPresent - description: ImagePullPolicy describes a policy for if/when - to pull a container image - type: string - imagePullSecrets: - description: |- - ImagePullSecrets An optional list of references to secrets in the same namespace - to use for pulling images from registries - see https://kubernetes.io/docs/concepts/containers/images/#referring-to-an-imagepullsecrets-on-a-pod - items: - description: |- - LocalObjectReference contains enough information to let you locate the - referenced object inside the same namespace. - properties: name: description: |- - Name of the referent. - More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid? + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. type: string - type: object - x-kubernetes-map-type: atomic - type: array - livenessProbe: - description: |- - LivenessProbe defines liveness probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /livez on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC - port. - properties: - port: - description: Port number of the gRPC service. Number - must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network port + in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external + port to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving + a GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. - HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header - to be used in HTTP probes + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. properties: - name: + host: description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. type: string - value: - description: The header field value + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. type: string - required: - - name - - value - type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a - TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults - to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object - nodeSelector: - additionalProperties: - type: string - description: NodeSelector is a selector which must be true - for the pod to fit on a node. - type: object - priorityClassName: - description: PriorityClassName is the name of the PriorityClass - for this pod. - type: string - readinessProbe: - description: |- - ReadinessProbe defines readiness probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /readyz on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC - port. - properties: - port: - description: Port number of the gRPC service. Number - must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - - - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. - HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header - to be used in HTTP probes - properties: - name: + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. + Scheme to use for connecting to the host. + Defaults to HTTP. type: string - value: - description: The header field value + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true required: - - name - - value + - port type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a - TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults - to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object - resources: - description: Resources describes the compute resource requirements. - properties: - claims: - description: |- - Claims lists the names of resources, defined in spec.resourceClaims, - that are used by this container. + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: Resources resize policy for the container. + items: + description: ContainerResizePolicy represents resource + resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. - This is an alpha field and requires enabling the - DynamicResourceAllocation feature gate. + This is an alpha field and requires enabling the + DynamicResourceAllocation feature gate. - This field is immutable. It can only be set for containers. - items: - description: ResourceClaim references one entry in PodSpec.ResourceClaims. + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one entry + in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + RestartPolicy defines the restart behavior of individual containers in a pod. + This field may only be set for init containers, and the only allowed value is "Always". + For non-init containers or when this field is not specified, + the restart behavior is defined by the Pod's restart policy and the container type. + Setting the RestartPolicy as "Always" for the init container will have the following effect: + this init container will be continually restarted on + exit until all regular containers have terminated. Once all regular + containers have completed, all init containers with restartPolicy "Always" + will be shut down. This lifecycle differs from normal init containers and + is often referred to as a "sidecar" container. Although this init + container still starts in the init container sequence, it does not wait + for the container to complete before proceeding to the next init + container. Instead, the next init container starts immediately after this + init container is started, or after any startupProbe has successfully + completed. + type: string + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ properties: - name: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + drop: + description: Removed capabilities + items: + description: Capability represent POSIX capabilities + type + type: string + type: array + type: object + privileged: description: |- - Name must match the name of one entry in pod.spec.resourceClaims of - the Pod where this field is used. It makes that resource available - inside a container. + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default is DefaultProcMount which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. type: string - required: - - name - type: object - type: array - x-kubernetes-list-map-keys: - - name - x-kubernetes-list-type: map - limits: - additionalProperties: - anyOf: - - type: integer - - type: string - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ - x-kubernetes-int-or-string: true - description: |- - Limits describes the maximum amount of compute resources allowed. - More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ - type: object - requests: - additionalProperties: - anyOf: - - type: integer - - type: string - pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ - x-kubernetes-int-or-string: true - description: |- - Requests describes the minimum amount of compute resources required. - If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, - otherwise to an implementation-defined value. Requests cannot exceed Limits. - More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ - type: object - type: object - runtimeClassName: - description: RuntimeClassName refers to a RuntimeClass object - in the node.k8s.io group, which should be used to run this - pod. - type: string - schedulerName: - description: SchedulerName is the name of the scheduler to - be used for scheduling the pod. - type: string - securityContext: - description: SecurityContext holds pod-level security attributes - and common container settings. - properties: - fsGroup: - description: |- - A special supplemental group that applies to all containers in a pod. - Some volume types allow the Kubelet to change the ownership of that volume - to be owned by the pod: + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label that + applies to the container. + type: string + role: + description: Role is a SELinux role label that + applies to the container. + type: string + type: + description: Type is a SELinux type label that + applies to the container. + type: string + user: + description: User is a SELinux user label that + applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: - 1. The owning GID will be the FSGroup - 2. The setgid bit is set (new files created in the volume will be owned by FSGroup) - 3. The permission bits are OR'd with rw-rw---- + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is the name + of the GMSA credential spec to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies the action to take. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies an action involving + a GRPC port. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - If unset, the Kubelet will not modify the ownership and permissions of any volume. - Note that this field cannot be set when spec.os.name is windows. - format: int64 - type: integer - fsGroupChangePolicy: - description: |- - fsGroupChangePolicy defines behavior of changing ownership and permission of the volume - before being exposed inside Pod. This field will only apply to - volume types which support fsGroup based ownership(and permissions). - It will have no effect on ephemeral volume types such as: secret, configmaps - and emptydir. - Valid values are "OnRootMismatch" and "Always". If not specified, "Always" is used. - Note that this field cannot be set when spec.os.name is windows. - type: string - runAsGroup: - description: |- - The GID to run the entrypoint of the container process. - Uses runtime default if unset. - May also be set in SecurityContext. If set in both SecurityContext and - PodSecurityContext, the value specified in SecurityContext takes precedence - for that container. - Note that this field cannot be set when spec.os.name is windows. - format: int64 - type: integer - runAsNonRoot: + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies the http request + to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in the request. + HTTP allows repeated headers. + items: + description: HTTPHeader describes a custom + header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + path: + description: Path to access on the HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies an action involving + a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block devices + to be used by the container. + items: + description: volumeDevice describes a mapping of a + raw block device within a container. + properties: + devicePath: + description: devicePath is the path inside of + the container that the device will be mapped + to. + type: string + name: + description: name must match the name of a persistentVolumeClaim + in the pod + type: string + required: + - devicePath + - name + type: object + type: array + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting of a + Volume within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + type: string + name: + description: This must match the Name of a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array + image: + description: Image is the etcd container image name + type: string + imagePullSecrets: + description: |- + ImagePullSecrets An optional list of references to secrets in the same namespace + to use for pulling images from registries + see https://kubernetes.io/docs/concepts/containers/images/#referring-to-an-imagepullsecrets-on-a-pod + items: + description: |- + LocalObjectReference contains enough information to let you locate the + referenced object inside the same namespace. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + type: array + nodeSelector: + additionalProperties: + type: string + description: NodeSelector is a selector which must be true + for the pod to fit on a node. + type: object + priorityClassName: + description: PriorityClassName is the name of the PriorityClass + for this pod. + type: string + runtimeClassName: + description: RuntimeClassName refers to a RuntimeClass object + in the node.k8s.io group, which should be used to run this + pod. + type: string + schedulerName: + description: SchedulerName is the name of the scheduler to + be used for scheduling the pod. + type: string + securityContext: + description: SecurityContext holds pod-level security attributes + and common container settings. + properties: + fsGroup: + description: |- + A special supplemental group that applies to all containers in a pod. + Some volume types allow the Kubelet to change the ownership of that volume + to be owned by the pod: + + + 1. The owning GID will be the FSGroup + 2. The setgid bit is set (new files created in the volume will be owned by FSGroup) + 3. The permission bits are OR'd with rw-rw---- + + + If unset, the Kubelet will not modify the ownership and permissions of any volume. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + fsGroupChangePolicy: + description: |- + fsGroupChangePolicy defines behavior of changing ownership and permission of the volume + before being exposed inside Pod. This field will only apply to + volume types which support fsGroup based ownership(and permissions). + It will have no effect on ephemeral volume types such as: secret, configmaps + and emptydir. + Valid values are "OnRootMismatch" and "Always". If not specified, "Always" is used. + Note that this field cannot be set when spec.os.name is windows. + type: string + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in SecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence + for that container. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: description: |- Indicates that the container must run as a non-root user. If true, the Kubelet will validate the image at runtime to ensure that it @@ -1747,160 +2618,6 @@ spec: type: string type: object type: object - startupProbe: - description: |- - StartupProbe defines startup probe check for the pod. - If not specified, default probe will be used with HTTP probe handler and path /readyz?serializable=false on the port 2379, - with periodSeconds 5. - properties: - exec: - description: Exec specifies the action to take. - properties: - command: - description: |- - Command is the command line to execute inside the container, the working directory for the - command is root ('/') in the container's filesystem. The command is simply exec'd, it is - not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use - a shell, you need to explicitly call out to that shell. - Exit status of 0 is treated as live/healthy and non-zero is unhealthy. - items: - type: string - type: array - type: object - failureThreshold: - description: |- - Minimum consecutive failures for the probe to be considered failed after having succeeded. - Defaults to 3. Minimum value is 1. - format: int32 - type: integer - grpc: - description: GRPC specifies an action involving a GRPC - port. - properties: - port: - description: Port number of the gRPC service. Number - must be in the range 1 to 65535. - format: int32 - type: integer - service: - description: |- - Service is the name of the service to place in the gRPC HealthCheckRequest - (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). - - - If this is not specified, the default behavior is defined by gRPC. - type: string - required: - - port - type: object - httpGet: - description: HTTPGet specifies the http request to perform. - properties: - host: - description: |- - Host name to connect to, defaults to the pod IP. You probably want to set - "Host" in httpHeaders instead. - type: string - httpHeaders: - description: Custom headers to set in the request. - HTTP allows repeated headers. - items: - description: HTTPHeader describes a custom header - to be used in HTTP probes - properties: - name: - description: |- - The header field name. - This will be canonicalized upon output, so case-variant names will be understood as the same header. - type: string - value: - description: The header field value - type: string - required: - - name - - value - type: object - type: array - path: - description: Path to access on the HTTP server. - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Name or number of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - scheme: - description: |- - Scheme to use for connecting to the host. - Defaults to HTTP. - type: string - required: - - port - type: object - initialDelaySeconds: - description: |- - Number of seconds after the container has started before liveness probes are initiated. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - periodSeconds: - description: |- - How often (in seconds) to perform the probe. - Default to 10 seconds. Minimum value is 1. - format: int32 - type: integer - successThreshold: - description: |- - Minimum consecutive successes for the probe to be considered successful after having failed. - Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. - format: int32 - type: integer - tcpSocket: - description: TCPSocket specifies an action involving a - TCP port. - properties: - host: - description: 'Optional: Host name to connect to, defaults - to the pod IP.' - type: string - port: - anyOf: - - type: integer - - type: string - description: |- - Number or name of the port to access on the container. - Number must be in the range 1 to 65535. - Name must be an IANA_SVC_NAME. - x-kubernetes-int-or-string: true - required: - - port - type: object - terminationGracePeriodSeconds: - description: |- - Optional duration in seconds the pod needs to terminate gracefully upon probe failure. - The grace period is the duration in seconds after the processes running in the pod are sent - a termination signal and the time when the processes are forcibly halted with a kill signal. - Set this value longer than the expected cleanup time for your process. - If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this - value overrides the value provided by the pod spec. - Value must be non-negative integer. The value zero indicates stop immediately via - the kill signal (no opportunity to shut down). - This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. - Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. - format: int64 - type: integer - timeoutSeconds: - description: |- - Number of seconds after which the probe times out. - Defaults to 1 second. Minimum value is 1. - More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes - format: int32 - type: integer - type: object terminationGracePeriodSeconds: description: TerminationGracePeriodSeconds is the time to wait before forceful pod shutdown. @@ -1940,191 +2657,1893 @@ spec: type: integer value: description: |- - Value is the taint value the toleration matches to. - If the operator is Exists, the value should be empty, otherwise just a regular string. - type: string - type: object - type: array - topologySpreadConstraints: - description: TopologySpreadConstraints describes how a group - of pods ought to spread across topology domains. - items: - description: TopologySpreadConstraint specifies how to spread - matching pods among the given topology. - properties: - labelSelector: + Value is the taint value the toleration matches to. + If the operator is Exists, the value should be empty, otherwise just a regular string. + type: string + type: object + type: array + topologySpreadConstraints: + description: TopologySpreadConstraints describes how a group + of pods ought to spread across topology domains. + items: + description: TopologySpreadConstraint specifies how to spread + matching pods among the given topology. + properties: + labelSelector: + description: |- + LabelSelector is used to find matching pods. + Pods that match this label selector are counted to determine the number of pods + in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select the pods over which + spreading will be calculated. The keys are used to lookup values from the + incoming pod labels, those key-value labels are ANDed with labelSelector + to select the group of existing pods over which spreading will be calculated + for the incoming pod. The same key is forbidden to exist in both MatchLabelKeys and LabelSelector. + MatchLabelKeys cannot be set when LabelSelector isn't set. + Keys that don't exist in the incoming pod labels will + be ignored. A null or empty list means only match against labelSelector. + + + This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + maxSkew: + description: |- + MaxSkew describes the degree to which pods may be unevenly distributed. + When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference + between the number of matching pods in the target topology and the global minimum. + The global minimum is the minimum number of matching pods in an eligible domain + or zero if the number of eligible domains is less than MinDomains. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 2/2/1: + In this case, the global minimum is 1. + | zone1 | zone2 | zone3 | + | P P | P P | P | + - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 2/2/2; + scheduling it onto zone1(zone2) would make the ActualSkew(3-1) on zone1(zone2) + violate MaxSkew(1). + - if MaxSkew is 2, incoming pod can be scheduled onto any zone. + When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence + to topologies that satisfy it. + It's a required field. Default value is 1 and 0 is not allowed. + format: int32 + type: integer + minDomains: + description: |- + MinDomains indicates a minimum number of eligible domains. + When the number of eligible domains with matching topology keys is less than minDomains, + Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed. + And when the number of eligible domains with matching topology keys equals or greater than minDomains, + this value has no effect on scheduling. + As a result, when the number of eligible domains is less than minDomains, + scheduler won't schedule more than maxSkew Pods to those domains. + If value is nil, the constraint behaves as if MinDomains is equal to 1. + Valid values are integers greater than 0. + When value is not nil, WhenUnsatisfiable must be DoNotSchedule. + + + For example, in a 3-zone cluster, MaxSkew is set to 2, MinDomains is set to 5 and pods with the same + labelSelector spread as 2/2/2: + | zone1 | zone2 | zone3 | + | P P | P P | P P | + The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0. + In this situation, new pod with the same labelSelector cannot be scheduled, + because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones, + it will violate MaxSkew. + + + This is a beta field and requires the MinDomainsInPodTopologySpread feature gate to be enabled (enabled by default). + format: int32 + type: integer + nodeAffinityPolicy: + description: |- + NodeAffinityPolicy indicates how we will treat Pod's nodeAffinity/nodeSelector + when calculating pod topology spread skew. Options are: + - Honor: only nodes matching nodeAffinity/nodeSelector are included in the calculations. + - Ignore: nodeAffinity/nodeSelector are ignored. All nodes are included in the calculations. + + + If this value is nil, the behavior is equivalent to the Honor policy. + This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. + type: string + nodeTaintsPolicy: + description: |- + NodeTaintsPolicy indicates how we will treat node taints when calculating + pod topology spread skew. Options are: + - Honor: nodes without taints, along with tainted nodes for which the incoming pod + has a toleration, are included. + - Ignore: node taints are ignored. All nodes are included. + + + If this value is nil, the behavior is equivalent to the Ignore policy. + This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. + type: string + topologyKey: + description: |- + TopologyKey is the key of node labels. Nodes that have a label with this key + and identical values are considered to be in the same topology. + We consider each as a "bucket", and try to put balanced number + of pods into each bucket. + We define a domain as a particular instance of a topology. + Also, we define an eligible domain as a domain whose nodes meet the requirements of + nodeAffinityPolicy and nodeTaintsPolicy. + e.g. If TopologyKey is "kubernetes.io/hostname", each Node is a domain of that topology. + And, if TopologyKey is "topology.kubernetes.io/zone", each zone is a domain of that topology. + It's a required field. + type: string + whenUnsatisfiable: + description: |- + WhenUnsatisfiable indicates how to deal with a pod if it doesn't satisfy + the spread constraint. + - DoNotSchedule (default) tells the scheduler not to schedule it. + - ScheduleAnyway tells the scheduler to schedule the pod in any location, + but giving higher precedence to topologies that would help reduce the + skew. + A constraint is considered "Unsatisfiable" for an incoming pod + if and only if every possible node assignment for that pod would violate + "MaxSkew" on some topology. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 3/1/1: + | zone1 | zone2 | zone3 | + | P P P | P | P | + If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled + to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies + MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler + won't make it *more* imbalanced. + It's a required field. + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array + volumes: + description: Volumes are volumes for being used by the pods. + Cannot collide with "data" volume used by etcd. + items: + description: Volume represents a named volume in a pod that + may be accessed by any container in the pod. + properties: + awsElasticBlockStore: + description: |- + awsElasticBlockStore represents an AWS Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + format: int32 + type: integer + readOnly: + description: |- + readOnly value true will force the readOnly setting in VolumeMounts. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: boolean + volumeID: + description: |- + volumeID is unique ID of the persistent disk resource in AWS (Amazon EBS volume). + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: string + required: + - volumeID + type: object + azureDisk: + description: azureDisk represents an Azure Data Disk + mount on the host and bind mount to the pod. + properties: + cachingMode: + description: 'cachingMode is the Host Caching mode: + None, Read Only, Read Write.' + type: string + diskName: + description: diskName is the Name of the data disk + in the blob storage + type: string + diskURI: + description: diskURI is the URI of data disk in + the blob storage + type: string + fsType: + description: |- + fsType is Filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + kind: + description: 'kind expected values are Shared: multiple + blob disks per storage account Dedicated: single + blob disk per storage account Managed: azure + managed data disk (only in managed availability + set). defaults to shared' + type: string + readOnly: + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + required: + - diskName + - diskURI + type: object + azureFile: + description: azureFile represents an Azure File Service + mount on the host and bind mount to the pod. + properties: + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretName: + description: secretName is the name of secret that + contains Azure Storage Account Name and Key + type: string + shareName: + description: shareName is the azure share Name + type: string + required: + - secretName + - shareName + type: object + cephfs: + description: cephFS represents a Ceph FS mount on the + host that shares a pod's lifetime + properties: + monitors: + description: |- + monitors is Required: Monitors is a collection of Ceph monitors + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + items: + type: string + type: array + path: + description: 'path is Optional: Used as the mounted + root, rather than the full Ceph tree, default + is /' + type: string + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: boolean + secretFile: + description: |- + secretFile is Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + secretRef: + description: |- + secretRef is Optional: SecretRef is reference to the authentication secret for User, default is empty. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + user: + description: |- + user is optional: User is the rados user name, default is admin + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + required: + - monitors + type: object + cinder: + description: |- + cinder represents a cinder volume attached and mounted on kubelets host machine. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: boolean + secretRef: + description: |- + secretRef is optional: points to a secret object containing parameters used to connect + to OpenStack. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + volumeID: + description: |- + volumeID used to identify the volume in cinder. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + required: + - volumeID + type: object + configMap: + description: configMap represents a configMap that should + populate this volume + properties: + defaultMode: + description: |- + defaultMode is optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path within + a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional specify whether the ConfigMap + or its keys must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + csi: + description: csi (Container Storage Interface) represents + ephemeral storage that is handled by certain external + CSI drivers (Beta feature). + properties: + driver: + description: |- + driver is the name of the CSI driver that handles this volume. + Consult with your admin for the correct name as registered in the cluster. + type: string + fsType: + description: |- + fsType to mount. Ex. "ext4", "xfs", "ntfs". + If not provided, the empty value is passed to the associated CSI driver + which will determine the default filesystem to apply. + type: string + nodePublishSecretRef: + description: |- + nodePublishSecretRef is a reference to the secret object containing + sensitive information to pass to the CSI driver to complete the CSI + NodePublishVolume and NodeUnpublishVolume calls. + This field is optional, and may be empty if no secret is required. If the + secret object contains more than one secret, all secret references are passed. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + readOnly: + description: |- + readOnly specifies a read-only configuration for the volume. + Defaults to false (read/write). + type: boolean + volumeAttributes: + additionalProperties: + type: string + description: |- + volumeAttributes stores driver-specific properties that are passed to the CSI + driver. Consult your driver's documentation for supported values. + type: object + required: + - driver + type: object + downwardAPI: + description: downwardAPI represents downward API about + the pod that should populate this volume + properties: + defaultMode: + description: |- + Optional: mode bits to use on created files by default. Must be a + Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: Items is a list of downward API volume + file + items: + description: DownwardAPIVolumeFile represents + information to create the file containing the + pod field + properties: + fieldRef: + description: 'Required: Selects a field of + the pod: only annotations, labels, name + and namespace are supported.' + properties: + apiVersion: + description: Version of the schema the + FieldPath is written in terms of, defaults + to "v1". + type: string + fieldPath: + description: Path of the field to select + in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path is the relative + path name of the file to be created. Must + not be absolute or contain the ''..'' path. + Must be utf-8 encoded. The first item of + the relative path must not start with ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format + of the exposed resources, defaults to + "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + type: object + emptyDir: + description: |- + emptyDir represents a temporary directory that shares a pod's lifetime. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + properties: + medium: + description: |- + medium represents what type of storage medium should back this directory. + The default is "" which means to use the node's default medium. + Must be an empty string (default) or Memory. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + type: string + sizeLimit: + anyOf: + - type: integer + - type: string + description: |- + sizeLimit is the total amount of local storage required for this EmptyDir volume. + The size limit is also applicable for memory medium. + The maximum usage on memory medium EmptyDir would be the minimum value between + the SizeLimit specified here and the sum of memory limits of all containers in a pod. + The default is nil which means that the limit is undefined. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + type: object + ephemeral: + description: |- + ephemeral represents a volume that is handled by a cluster storage driver. + The volume's lifecycle is tied to the pod that defines it - it will be created before the pod starts, + and deleted when the pod is removed. + + + Use this if: + a) the volume is only needed while the pod runs, + b) features of normal volumes like restoring from snapshot or capacity + tracking are needed, + c) the storage driver is specified through a storage class, and + d) the storage driver supports dynamic volume provisioning through + a PersistentVolumeClaim (see EphemeralVolumeSource for more + information on the connection between this volume type + and PersistentVolumeClaim). + + + Use PersistentVolumeClaim or one of the vendor-specific + APIs for volumes that persist for longer than the lifecycle + of an individual pod. + + + Use CSI for light-weight local ephemeral volumes if the CSI driver is meant to + be used that way - see the documentation of the driver for + more information. + + + A pod can use both types of ephemeral volumes and + persistent volumes at the same time. + properties: + volumeClaimTemplate: + description: |- + Will be used to create a stand-alone PVC to provision the volume. + The pod in which this EphemeralVolumeSource is embedded will be the + owner of the PVC, i.e. the PVC will be deleted together with the + pod. The name of the PVC will be `-` where + `` is the name from the `PodSpec.Volumes` array + entry. Pod validation will reject the pod if the concatenated name + is not valid for a PVC (for example, too long). + + + An existing PVC with that name that is not owned by the pod + will *not* be used for the pod to avoid using an unrelated + volume by mistake. Starting the pod is then blocked until + the unrelated PVC is removed. If such a pre-created PVC is + meant to be used by the pod, the PVC has to updated with an + owner reference to the pod once the pod exists. Normally + this should not be necessary, but it may be useful when + manually reconstructing a broken cluster. + + + This field is read-only and no changes will be made by Kubernetes + to the PVC after it has been created. + + + Required, must not be nil. + properties: + metadata: + description: |- + May contain labels and annotations that will be copied into the PVC + when creating it. No other fields are allowed and will be rejected during + validation. + type: object + spec: + description: |- + The specification for the PersistentVolumeClaim. The entire content is + copied unchanged into the PVC that gets created from this + template. The same fields as in a PersistentVolumeClaim + are also valid here. + properties: + accessModes: + description: |- + accessModes contains the desired access modes the volume should have. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1 + items: + type: string + type: array + dataSource: + description: |- + dataSource field can be used to specify either: + * An existing VolumeSnapshot object (snapshot.storage.k8s.io/VolumeSnapshot) + * An existing PVC (PersistentVolumeClaim) + If the provisioner or an external controller can support the specified data source, + it will create a new volume based on the contents of the specified data source. + When the AnyVolumeDataSource feature gate is enabled, dataSource contents will be copied to dataSourceRef, + and dataSourceRef contents will be copied to dataSource when dataSourceRef.namespace is not specified. + If the namespace is specified, then dataSourceRef will not be copied to dataSource. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type of resource + being referenced + type: string + name: + description: Name is the name of resource + being referenced + type: string + required: + - kind + - name + type: object + x-kubernetes-map-type: atomic + dataSourceRef: + description: |- + dataSourceRef specifies the object from which to populate the volume with data, if a non-empty + volume is desired. This may be any object from a non-empty API group (non + core object) or a PersistentVolumeClaim object. + When this field is specified, volume binding will only succeed if the type of + the specified object matches some installed volume populator or dynamic + provisioner. + This field will replace the functionality of the dataSource field and as such + if both fields are non-empty, they must have the same value. For backwards + compatibility, when namespace isn't specified in dataSourceRef, + both fields (dataSource and dataSourceRef) will be set to the same + value automatically if one of them is empty and the other is non-empty. + When namespace is specified in dataSourceRef, + dataSource isn't set to the same value and must be empty. + There are three important differences between dataSource and dataSourceRef: + * While dataSource only allows two specific types of objects, dataSourceRef + allows any non-core object, as well as PersistentVolumeClaim objects. + * While dataSource ignores disallowed values (dropping them), dataSourceRef + preserves all values, and generates an error if a disallowed value is + specified. + * While dataSource only allows local objects, dataSourceRef allows objects + in any namespaces. + (Beta) Using this field requires the AnyVolumeDataSource feature gate to be enabled. + (Alpha) Using the namespace field of dataSourceRef requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type of resource + being referenced + type: string + name: + description: Name is the name of resource + being referenced + type: string + namespace: + description: |- + Namespace is the namespace of resource being referenced + Note that when a namespace is specified, a gateway.networking.k8s.io/ReferenceGrant object is required in the referent namespace to allow that namespace's owner to accept the reference. See the ReferenceGrant documentation for details. + (Alpha) This field requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + type: string + required: + - kind + - name + type: object + resources: + description: |- + resources represents the minimum resources the volume should have. + If RecoverVolumeExpansionFailure feature is enabled users are allowed to specify resource requirements + that are lower than previous value but must still be higher than capacity recorded in the + status field of the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources + properties: + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + selector: + description: selector is a label query over + volumes to consider for binding. + properties: + matchExpressions: + description: matchExpressions is a list + of label selector requirements. The + requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + storageClassName: + description: |- + storageClassName is the name of the StorageClass required by the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1 + type: string + volumeAttributesClassName: + description: |- + volumeAttributesClassName may be used to set the VolumeAttributesClass used by this claim. + If specified, the CSI driver will create or update the volume with the attributes defined + in the corresponding VolumeAttributesClass. This has a different purpose than storageClassName, + it can be changed after the claim is created. An empty string value means that no VolumeAttributesClass + will be applied to the claim but it's not allowed to reset this field to empty string once it is set. + If unspecified and the PersistentVolumeClaim is unbound, the default VolumeAttributesClass + will be set by the persistentvolume controller if it exists. + If the resource referred to by volumeAttributesClass does not exist, this PersistentVolumeClaim will be + set to a Pending state, as reflected by the modifyVolumeStatus field, until such as a resource + exists. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#volumeattributesclass + (Alpha) Using this field requires the VolumeAttributesClass feature gate to be enabled. + type: string + volumeMode: + description: |- + volumeMode defines what type of volume is required by the claim. + Value of Filesystem is implied when not included in claim spec. + type: string + volumeName: + description: volumeName is the binding reference + to the PersistentVolume backing this claim. + type: string + type: object + required: + - spec + type: object + type: object + fc: + description: fc represents a Fibre Channel resource + that is attached to a kubelet's host machine and then + exposed to the pod. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + lun: + description: 'lun is Optional: FC target lun number' + format: int32 + type: integer + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + targetWWNs: + description: 'targetWWNs is Optional: FC target + worldwide names (WWNs)' + items: + type: string + type: array + wwids: + description: |- + wwids Optional: FC volume world wide identifiers (wwids) + Either wwids or combination of targetWWNs and lun must be set, but not both simultaneously. + items: + type: string + type: array + type: object + flexVolume: + description: |- + flexVolume represents a generic volume resource that is + provisioned/attached using an exec based plugin. + properties: + driver: + description: driver is the name of the driver to + use for this volume. + type: string + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script. + type: string + options: + additionalProperties: + type: string + description: 'options is Optional: this field holds + extra command options if any.' + type: object + readOnly: + description: |- + readOnly is Optional: defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef is Optional: secretRef is reference to the secret object containing + sensitive information to pass to the plugin scripts. This may be + empty if no secret object is specified. If the secret object + contains more than one secret, all secrets are passed to the plugin + scripts. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + required: + - driver + type: object + flocker: + description: flocker represents a Flocker volume attached + to a kubelet's host machine. This depends on the Flocker + control service being running + properties: + datasetName: + description: |- + datasetName is Name of the dataset stored as metadata -> name on the dataset for Flocker + should be considered as deprecated + type: string + datasetUUID: + description: datasetUUID is the UUID of the dataset. + This is unique identifier of a Flocker dataset + type: string + type: object + gcePersistentDisk: + description: |- + gcePersistentDisk represents a GCE Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + properties: + fsType: + description: |- + fsType is filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + format: int32 + type: integer + pdName: + description: |- + pdName is unique name of the PD resource in GCE. Used to identify the disk in GCE. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: boolean + required: + - pdName + type: object + gitRepo: + description: |- + gitRepo represents a git repository at a particular revision. + DEPRECATED: GitRepo is deprecated. To provision a container with a git repo, mount an + EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir + into the Pod's container. + properties: + directory: + description: |- + directory is the target directory name. + Must not contain or start with '..'. If '.' is supplied, the volume directory will be the + git repository. Otherwise, if specified, the volume will contain the git repository in + the subdirectory with the given name. + type: string + repository: + description: repository is the URL + type: string + revision: + description: revision is the commit hash for the + specified revision. + type: string + required: + - repository + type: object + glusterfs: + description: |- + glusterfs represents a Glusterfs mount on the host that shares a pod's lifetime. + More info: https://examples.k8s.io/volumes/glusterfs/README.md + properties: + endpoints: + description: |- + endpoints is the endpoint name that details Glusterfs topology. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: string + path: + description: |- + path is the Glusterfs volume path. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: string + readOnly: + description: |- + readOnly here will force the Glusterfs volume to be mounted with read-only permissions. + Defaults to false. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: boolean + required: + - endpoints + - path + type: object + hostPath: + description: |- + hostPath represents a pre-existing file or directory on the host + machine that is directly exposed to the container. This is generally + used for system agents or other privileged things that are allowed + to see the host machine. Most containers will NOT need this. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + --- + TODO(jonesdl) We need to restrict who can use host directory mounts and who can/can not + mount host directories as read/write. + properties: + path: + description: |- + path of the directory on the host. + If the path is a symlink, it will follow the link to the real path. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + type: + description: |- + type for HostPath Volume + Defaults to "" + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + required: + - path + type: object + iscsi: + description: |- + iscsi represents an ISCSI Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://examples.k8s.io/volumes/iscsi/README.md + properties: + chapAuthDiscovery: + description: chapAuthDiscovery defines whether support + iSCSI Discovery CHAP authentication + type: boolean + chapAuthSession: + description: chapAuthSession defines whether support + iSCSI Session CHAP authentication + type: boolean + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#iscsi + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + initiatorName: + description: |- + initiatorName is the custom iSCSI Initiator Name. + If initiatorName is specified with iscsiInterface simultaneously, new iSCSI interface + : will be created for the connection. + type: string + iqn: + description: iqn is the target iSCSI Qualified Name. + type: string + iscsiInterface: + description: |- + iscsiInterface is the interface Name that uses an iSCSI transport. + Defaults to 'default' (tcp). + type: string + lun: + description: lun represents iSCSI Target Lun number. + format: int32 + type: integer + portals: + description: |- + portals is the iSCSI Target Portal List. The portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + items: + type: string + type: array + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + type: boolean + secretRef: + description: secretRef is the CHAP Secret for iSCSI + target and initiator authentication + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + targetPortal: + description: |- + targetPortal is iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + type: string + required: + - iqn + - lun + - targetPortal + type: object + name: + description: |- + name of the volume. + Must be a DNS_LABEL and unique within the pod. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + nfs: + description: |- + nfs represents an NFS mount on the host that shares a pod's lifetime + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + properties: + path: + description: |- + path that is exported by the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + readOnly: + description: |- + readOnly here will force the NFS export to be mounted with read-only permissions. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: boolean + server: + description: |- + server is the hostname or IP address of the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + required: + - path + - server + type: object + persistentVolumeClaim: + description: |- + persistentVolumeClaimVolumeSource represents a reference to a + PersistentVolumeClaim in the same namespace. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + properties: + claimName: + description: |- + claimName is the name of a PersistentVolumeClaim in the same namespace as the pod using this volume. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + type: string + readOnly: + description: |- + readOnly Will force the ReadOnly setting in VolumeMounts. + Default false. + type: boolean + required: + - claimName + type: object + photonPersistentDisk: + description: photonPersistentDisk represents a PhotonController + persistent disk attached and mounted on kubelets host + machine + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + pdID: + description: pdID is the ID that identifies Photon + Controller persistent disk + type: string + required: + - pdID + type: object + portworxVolume: + description: portworxVolume represents a portworx volume + attached and mounted on kubelets host machine + properties: + fsType: + description: |- + fSType represents the filesystem type to mount + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + volumeID: + description: volumeID uniquely identifies a Portworx + volume + type: string + required: + - volumeID + type: object + projected: + description: projected items for all in one resources + secrets, configmaps, and downward API + properties: + defaultMode: + description: |- + defaultMode are the mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + sources: + description: sources is the list of volume projections + items: + description: Projection that may be projected + along with other supported volume types + properties: + clusterTrustBundle: + description: |- + ClusterTrustBundle allows a pod to access the `.spec.trustBundle` field + of ClusterTrustBundle objects in an auto-updating file. + + + Alpha, gated by the ClusterTrustBundleProjection feature gate. + + + ClusterTrustBundle objects can either be selected by name, or by the + combination of signer name and a label selector. + + + Kubelet performs aggressive normalization of the PEM contents written + into the pod filesystem. Esoteric PEM features such as inter-block + comments and block headers are stripped. Certificates are deduplicated. + The ordering of certificates within the file is arbitrary, and Kubelet + may change the order over time. + properties: + labelSelector: + description: |- + Select all ClusterTrustBundles that match this label selector. Only has + effect if signerName is set. Mutually-exclusive with name. If unset, + interpreted as "match nothing". If set but empty, interpreted as "match + everything". + properties: + matchExpressions: + description: matchExpressions is a + list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + name: + description: |- + Select a single ClusterTrustBundle by object name. Mutually-exclusive + with signerName and labelSelector. + type: string + optional: + description: |- + If true, don't block pod startup if the referenced ClusterTrustBundle(s) + aren't available. If using name, then the named ClusterTrustBundle is + allowed not to exist. If using signerName, then the combination of + signerName and labelSelector is allowed to match zero + ClusterTrustBundles. + type: boolean + path: + description: Relative path from the volume + root to write the bundle. + type: string + signerName: + description: |- + Select all ClusterTrustBundles that match this signer name. + Mutually-exclusive with name. The contents of all selected + ClusterTrustBundles will be unified and deduplicated. + type: string + required: + - path + type: object + configMap: + description: configMap information about the + configMap data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a + path within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional specify whether + the ConfigMap or its keys must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + downwardAPI: + description: downwardAPI information about + the downwardAPI data to project + properties: + items: + description: Items is a list of DownwardAPIVolume + file + items: + description: DownwardAPIVolumeFile represents + information to create the file containing + the pod field + properties: + fieldRef: + description: 'Required: Selects + a field of the pod: only annotations, + labels, name and namespace are + supported.' + properties: + apiVersion: + description: Version of the + schema the FieldPath is written + in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field + to select in the specified + API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path is the + relative path name of the file + to be created. Must not be absolute + or contain the ''..'' path. Must + be utf-8 encoded. The first item + of the relative path must not + start with ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container name: + required for volumes, optional + for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output + format of the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource + to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + type: object + secret: + description: secret information about the + secret data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a + path within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + optional: + description: optional field specify whether + the Secret or its key must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + serviceAccountToken: + description: serviceAccountToken is information + about the serviceAccountToken data to project + properties: + audience: + description: |- + audience is the intended audience of the token. A recipient of a token + must identify itself with an identifier specified in the audience of the + token, and otherwise should reject the token. The audience defaults to the + identifier of the apiserver. + type: string + expirationSeconds: + description: |- + expirationSeconds is the requested duration of validity of the service + account token. As the token approaches expiration, the kubelet volume + plugin will proactively rotate the service account token. The kubelet will + start trying to rotate the token if the token is older than 80 percent of + its time to live or if the token is older than 24 hours.Defaults to 1 hour + and must be at least 10 minutes. + format: int64 + type: integer + path: + description: |- + path is the path relative to the mount point of the file to project the + token into. + type: string + required: + - path + type: object + type: object + type: array + type: object + quobyte: + description: quobyte represents a Quobyte mount on the + host that shares a pod's lifetime + properties: + group: + description: |- + group to map volume access to + Default is no group + type: string + readOnly: + description: |- + readOnly here will force the Quobyte volume to be mounted with read-only permissions. + Defaults to false. + type: boolean + registry: + description: |- + registry represents a single or multiple Quobyte Registry services + specified as a string as host:port pair (multiple entries are separated with commas) + which acts as the central registry for volumes + type: string + tenant: + description: |- + tenant owning the given Quobyte volume in the Backend + Used with dynamically provisioned Quobyte volumes, value is set by the plugin + type: string + user: + description: |- + user to map volume access to + Defaults to serivceaccount user + type: string + volume: + description: volume is a string that references + an already created Quobyte volume by name. + type: string + required: + - registry + - volume + type: object + rbd: + description: |- + rbd represents a Rados Block Device mount on the host that shares a pod's lifetime. + More info: https://examples.k8s.io/volumes/rbd/README.md + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd + TODO: how do we prevent errors in the filesystem from compromising the machine + type: string + image: + description: |- + image is the rados image name. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + keyring: + description: |- + keyring is the path to key ring for RBDUser. + Default is /etc/ceph/keyring. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + monitors: + description: |- + monitors is a collection of Ceph monitors. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + items: + type: string + type: array + pool: + description: |- + pool is the rados pool name. + Default is rbd. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: boolean + secretRef: + description: |- + secretRef is name of the authentication secret for RBDUser. If provided + overrides keyring. + Default is nil. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + user: + description: |- + user is the rados user name. + Default is admin. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + required: + - image + - monitors + type: object + scaleIO: + description: scaleIO represents a ScaleIO persistent + volume attached and mounted on Kubernetes nodes. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". + Default is "xfs". + type: string + gateway: + description: gateway is the host address of the + ScaleIO API Gateway. + type: string + protectionDomain: + description: protectionDomain is the name of the + ScaleIO Protection Domain for the configured storage. + type: string + readOnly: + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef references to the secret for ScaleIO user and other + sensitive information. If this is not provided, Login operation will fail. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string + type: object + x-kubernetes-map-type: atomic + sslEnabled: + description: sslEnabled Flag enable/disable SSL + communication with Gateway, default false + type: boolean + storageMode: + description: |- + storageMode indicates whether the storage for a volume should be ThickProvisioned or ThinProvisioned. + Default is ThinProvisioned. + type: string + storagePool: + description: storagePool is the ScaleIO Storage + Pool associated with the protection domain. + type: string + system: + description: system is the name of the storage system + as configured in ScaleIO. + type: string + volumeName: + description: |- + volumeName is the name of a volume already created in the ScaleIO system + that is associated with this volume source. + type: string + required: + - gateway + - secretRef + - system + type: object + secret: description: |- - LabelSelector is used to find matching pods. - Pods that match this label selector are counted to determine the number of pods - in their corresponding topology domain. + secret represents a secret that should populate this volume. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret properties: - matchExpressions: - description: matchExpressions is a list of label - selector requirements. The requirements are ANDed. + defaultMode: + description: |- + defaultMode is Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values + for mode bits. Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items If unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. items: - description: |- - A label selector requirement is a selector that contains values, a key, and an operator that - relates the key and values. + description: Maps a string key to a path within + a volume. properties: key: - description: key is the label key that the - selector applies to. + description: key is the key to project. type: string - operator: + mode: description: |- - operator represents a key's relationship to a set of values. - Valid operators are In, NotIn, Exists and DoesNotExist. - type: string - values: + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: description: |- - values is an array of string values. If the operator is In or NotIn, - the values array must be non-empty. If the operator is Exists or DoesNotExist, - the values array must be empty. This array is replaced during a strategic - merge patch. - items: - type: string - type: array + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string required: - key - - operator + - path type: object type: array - matchLabels: - additionalProperties: - type: string + optional: + description: optional field specify whether the + Secret or its keys must be defined + type: boolean + secretName: description: |- - matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels - map is equivalent to an element of matchExpressions, whose key field is "key", the - operator is "In", and the values array contains only "value". The requirements are ANDed. + secretName is the name of the secret in the pod's namespace to use. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret + type: string + type: object + storageos: + description: storageOS represents a StorageOS volume + attached and mounted on Kubernetes nodes. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef specifies the secret to use for obtaining the StorageOS API + credentials. If not specified, default values will be attempted. + properties: + name: + description: |- + Name of the referent. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + TODO: Add other useful fields. apiVersion, kind, uid? + type: string type: object + x-kubernetes-map-type: atomic + volumeName: + description: |- + volumeName is the human-readable name of the StorageOS volume. Volume + names are only unique within a namespace. + type: string + volumeNamespace: + description: |- + volumeNamespace specifies the scope of the volume within StorageOS. If no + namespace is specified then the Pod's namespace will be used. This allows the + Kubernetes name scoping to be mirrored within StorageOS for tighter integration. + Set VolumeName to any name to override the default behaviour. + Set to "default" if you are not using namespaces within StorageOS. + Namespaces that do not pre-exist within StorageOS will be created. + type: string + type: object + vsphereVolume: + description: vsphereVolume represents a vSphere volume + attached and mounted on kubelets host machine + properties: + fsType: + description: |- + fsType is filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + storagePolicyID: + description: storagePolicyID is the storage Policy + Based Management (SPBM) profile ID associated + with the StoragePolicyName. + type: string + storagePolicyName: + description: storagePolicyName is the storage Policy + Based Management (SPBM) profile name. + type: string + volumePath: + description: volumePath is the path that identifies + vSphere volume vmdk + type: string + required: + - volumePath type: object - x-kubernetes-map-type: atomic - matchLabelKeys: - description: |- - MatchLabelKeys is a set of pod label keys to select the pods over which - spreading will be calculated. The keys are used to lookup values from the - incoming pod labels, those key-value labels are ANDed with labelSelector - to select the group of existing pods over which spreading will be calculated - for the incoming pod. The same key is forbidden to exist in both MatchLabelKeys and LabelSelector. - MatchLabelKeys cannot be set when LabelSelector isn't set. - Keys that don't exist in the incoming pod labels will - be ignored. A null or empty list means only match against labelSelector. - - - This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default). - items: - type: string - type: array - x-kubernetes-list-type: atomic - maxSkew: - description: |- - MaxSkew describes the degree to which pods may be unevenly distributed. - When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference - between the number of matching pods in the target topology and the global minimum. - The global minimum is the minimum number of matching pods in an eligible domain - or zero if the number of eligible domains is less than MinDomains. - For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same - labelSelector spread as 2/2/1: - In this case, the global minimum is 1. - | zone1 | zone2 | zone3 | - | P P | P P | P | - - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 2/2/2; - scheduling it onto zone1(zone2) would make the ActualSkew(3-1) on zone1(zone2) - violate MaxSkew(1). - - if MaxSkew is 2, incoming pod can be scheduled onto any zone. - When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence - to topologies that satisfy it. - It's a required field. Default value is 1 and 0 is not allowed. - format: int32 - type: integer - minDomains: - description: |- - MinDomains indicates a minimum number of eligible domains. - When the number of eligible domains with matching topology keys is less than minDomains, - Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed. - And when the number of eligible domains with matching topology keys equals or greater than minDomains, - this value has no effect on scheduling. - As a result, when the number of eligible domains is less than minDomains, - scheduler won't schedule more than maxSkew Pods to those domains. - If value is nil, the constraint behaves as if MinDomains is equal to 1. - Valid values are integers greater than 0. - When value is not nil, WhenUnsatisfiable must be DoNotSchedule. - - - For example, in a 3-zone cluster, MaxSkew is set to 2, MinDomains is set to 5 and pods with the same - labelSelector spread as 2/2/2: - | zone1 | zone2 | zone3 | - | P P | P P | P P | - The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0. - In this situation, new pod with the same labelSelector cannot be scheduled, - because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones, - it will violate MaxSkew. - - - This is a beta field and requires the MinDomainsInPodTopologySpread feature gate to be enabled (enabled by default). - format: int32 - type: integer - nodeAffinityPolicy: - description: |- - NodeAffinityPolicy indicates how we will treat Pod's nodeAffinity/nodeSelector - when calculating pod topology spread skew. Options are: - - Honor: only nodes matching nodeAffinity/nodeSelector are included in the calculations. - - Ignore: nodeAffinity/nodeSelector are ignored. All nodes are included in the calculations. - - - If this value is nil, the behavior is equivalent to the Honor policy. - This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. - type: string - nodeTaintsPolicy: - description: |- - NodeTaintsPolicy indicates how we will treat node taints when calculating - pod topology spread skew. Options are: - - Honor: nodes without taints, along with tainted nodes for which the incoming pod - has a toleration, are included. - - Ignore: node taints are ignored. All nodes are included. - - - If this value is nil, the behavior is equivalent to the Ignore policy. - This is a beta-level feature default enabled by the NodeInclusionPolicyInPodTopologySpread feature flag. - type: string - topologyKey: - description: |- - TopologyKey is the key of node labels. Nodes that have a label with this key - and identical values are considered to be in the same topology. - We consider each as a "bucket", and try to put balanced number - of pods into each bucket. - We define a domain as a particular instance of a topology. - Also, we define an eligible domain as a domain whose nodes meet the requirements of - nodeAffinityPolicy and nodeTaintsPolicy. - e.g. If TopologyKey is "kubernetes.io/hostname", each Node is a domain of that topology. - And, if TopologyKey is "topology.kubernetes.io/zone", each zone is a domain of that topology. - It's a required field. - type: string - whenUnsatisfiable: - description: |- - WhenUnsatisfiable indicates how to deal with a pod if it doesn't satisfy - the spread constraint. - - DoNotSchedule (default) tells the scheduler not to schedule it. - - ScheduleAnyway tells the scheduler to schedule the pod in any location, - but giving higher precedence to topologies that would help reduce the - skew. - A constraint is considered "Unsatisfiable" for an incoming pod - if and only if every possible node assignment for that pod would violate - "MaxSkew" on some topology. - For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same - labelSelector spread as 3/1/1: - | zone1 | zone2 | zone3 | - | P P P | P | P | - If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled - to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies - MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler - won't make it *more* imbalanced. - It's a required field. - type: string required: - - maxSkew - - topologyKey - - whenUnsatisfiable + - name type: object type: array type: object diff --git a/config/samples/etcd.aenix.io_v1alpha1_etcdcluster.yaml b/config/samples/etcd.aenix.io_v1alpha1_etcdcluster.yaml index 5e71b69f..33afd1e2 100644 --- a/config/samples/etcd.aenix.io_v1alpha1_etcdcluster.yaml +++ b/config/samples/etcd.aenix.io_v1alpha1_etcdcluster.yaml @@ -15,11 +15,13 @@ spec: sizeLimit: 1Gi podTemplate: spec: - resources: - requests: - cpu: 100m - memory: 100Mi - limits: - cpu: 100m - memory: 100Mi + containers: + - name: etcd + resources: + requests: + cpu: 100m + memory: 100Mi + limits: + cpu: 100m + memory: 100Mi podDisruptionBudgetTemplate: { } diff --git a/internal/controller/factory/pvc.go b/internal/controller/factory/pvc.go index b2f1f891..101d9d50 100644 --- a/internal/controller/factory/pvc.go +++ b/internal/controller/factory/pvc.go @@ -22,6 +22,6 @@ func GetPVCName(cluster *etcdaenixiov1alpha1.EtcdCluster) string { if len(cluster.Spec.Storage.VolumeClaimTemplate.Name) > 0 { return cluster.Spec.Storage.VolumeClaimTemplate.Name } - + //nolint:goconst return "data" } diff --git a/internal/controller/factory/statefulset.go b/internal/controller/factory/statefulset.go index 4625250e..224642c3 100644 --- a/internal/controller/factory/statefulset.go +++ b/internal/controller/factory/statefulset.go @@ -19,6 +19,7 @@ package factory import ( "context" "fmt" + "slices" appsv1 "k8s.io/api/apps/v1" corev1 "k8s.io/api/core/v1" @@ -51,26 +52,6 @@ func CreateOrUpdateStatefulSet( podMetadata.Annotations = cluster.Spec.PodTemplate.Annotations - podEnv := []corev1.EnvVar{ - { - Name: "POD_NAME", - ValueFrom: &corev1.EnvVarSource{ - FieldRef: &corev1.ObjectFieldSelector{ - FieldPath: "metadata.name", - }, - }, - }, - { - Name: "POD_NAMESPACE", - ValueFrom: &corev1.EnvVarSource{ - FieldRef: &corev1.ObjectFieldSelector{ - FieldPath: "metadata.namespace", - }, - }, - }, - } - podEnv = append(podEnv, cluster.Spec.PodTemplate.Spec.ExtraEnv...) - statefulSet := &appsv1.StatefulSet{ ObjectMeta: metav1.ObjectMeta{ Namespace: cluster.Namespace, @@ -87,40 +68,7 @@ func CreateOrUpdateStatefulSet( Template: corev1.PodTemplateSpec{ ObjectMeta: podMetadata, Spec: corev1.PodSpec{ - Containers: []corev1.Container{ - { - Name: "etcd", - Image: cluster.Spec.PodTemplate.Spec.Image, - ImagePullPolicy: cluster.Spec.PodTemplate.Spec.ImagePullPolicy, - Command: generateEtcdCommand(), - Args: generateEtcdArgs(cluster), - Ports: []corev1.ContainerPort{ - {Name: "peer", ContainerPort: 2380}, - {Name: "client", ContainerPort: 2379}, - }, - Resources: cluster.Spec.PodTemplate.Spec.Resources, - EnvFrom: []corev1.EnvFromSource{ - { - ConfigMapRef: &corev1.ConfigMapEnvSource{ - LocalObjectReference: corev1.LocalObjectReference{ - Name: GetClusterStateConfigMapName(cluster), - }, - }, - }, - }, - Env: podEnv, - VolumeMounts: []corev1.VolumeMount{ - { - Name: "data", - ReadOnly: false, - MountPath: "/var/run/etcd", - }, - }, - StartupProbe: getStartupProbe(cluster.Spec.PodTemplate.Spec.StartupProbe), - LivenessProbe: getLivenessProbe(cluster.Spec.PodTemplate.Spec.LivenessProbe), - ReadinessProbe: getReadinessProbe(cluster.Spec.PodTemplate.Spec.ReadinessProbe), - }, - }, + Containers: generateContainers(cluster), ImagePullSecrets: cluster.Spec.PodTemplate.Spec.ImagePullSecrets, Affinity: cluster.Spec.PodTemplate.Spec.Affinity, NodeSelector: cluster.Spec.PodTemplate.Spec.NodeSelector, @@ -135,21 +83,29 @@ func CreateOrUpdateStatefulSet( }, }, } + statefulSet.Spec.Template.Spec.Volumes = cluster.Spec.PodTemplate.Spec.Volumes + dataVolumeIdx := slices.IndexFunc(statefulSet.Spec.Template.Spec.Volumes, func(volume corev1.Volume) bool { + return volume.Name == "data" + }) + if dataVolumeIdx == -1 { + dataVolumeIdx = len(statefulSet.Spec.Template.Spec.Volumes) + statefulSet.Spec.Template.Spec.Volumes = append( + statefulSet.Spec.Template.Spec.Volumes, + corev1.Volume{Name: "data"}, + ) + } + if cluster.Spec.Storage.EmptyDir != nil { - statefulSet.Spec.Template.Spec.Volumes = []corev1.Volume{ - { - Name: "data", - VolumeSource: corev1.VolumeSource{EmptyDir: cluster.Spec.Storage.EmptyDir}, - }, + statefulSet.Spec.Template.Spec.Volumes[dataVolumeIdx] = corev1.Volume{ + Name: "data", + VolumeSource: corev1.VolumeSource{EmptyDir: cluster.Spec.Storage.EmptyDir}, } } else { - statefulSet.Spec.Template.Spec.Volumes = []corev1.Volume{ - { - Name: "data", - VolumeSource: corev1.VolumeSource{ - PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ - ClaimName: GetPVCName(cluster), - }, + statefulSet.Spec.Template.Spec.Volumes[dataVolumeIdx] = corev1.Volume{ + Name: "data", + VolumeSource: corev1.VolumeSource{ + PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ + ClaimName: GetPVCName(cluster), }, }, } @@ -206,6 +162,115 @@ func generateEtcdArgs(cluster *etcdaenixiov1alpha1.EtcdCluster) []string { return args } +func generateContainers(cluster *etcdaenixiov1alpha1.EtcdCluster) []corev1.Container { + podEnv := []corev1.EnvVar{ + { + Name: "POD_NAME", + ValueFrom: &corev1.EnvVarSource{ + FieldRef: &corev1.ObjectFieldSelector{ + FieldPath: "metadata.name", + }, + }, + }, + { + Name: "POD_NAMESPACE", + ValueFrom: &corev1.EnvVarSource{ + FieldRef: &corev1.ObjectFieldSelector{ + FieldPath: "metadata.namespace", + }, + }, + }, + } + + containers := make([]corev1.Container, 0, len(cluster.Spec.PodTemplate.Spec.Containers)) + for _, c := range cluster.Spec.PodTemplate.Spec.Containers { + if c.Name == "etcd" { + c.Command = generateEtcdCommand() + c.Args = generateEtcdArgs(cluster) + c.Ports = mergePorts(c.Ports, []corev1.ContainerPort{ + {Name: "peer", ContainerPort: 2380}, + {Name: "client", ContainerPort: 2379}, + }) + clusterStateConfigMapName := GetClusterStateConfigMapName(cluster) + ok := false + for _, env := range c.EnvFrom { + if env.ConfigMapRef != nil && env.ConfigMapRef.LocalObjectReference.Name == clusterStateConfigMapName { + ok = true + break + } + } + if !ok { + c.EnvFrom = append(c.EnvFrom, corev1.EnvFromSource{ + ConfigMapRef: &corev1.ConfigMapEnvSource{ + LocalObjectReference: corev1.LocalObjectReference{ + Name: clusterStateConfigMapName, + }, + }, + }) + } + c.StartupProbe = getStartupProbe(c.StartupProbe) + c.LivenessProbe = getLivenessProbe(c.LivenessProbe) + c.ReadinessProbe = getReadinessProbe(c.ReadinessProbe) + c.Env = mergeEnvs(c.Env, podEnv) + + ok = false + for idx, v := range c.VolumeMounts { + if v.Name == "data" { + c.VolumeMounts[idx].ReadOnly = false + c.VolumeMounts[idx].MountPath = "/var/run/etcd" + + ok = true + break + } + } + if !ok { + c.VolumeMounts = append(c.VolumeMounts, corev1.VolumeMount{ + Name: "data", + MountPath: "/var/run/etcd", + }) + } + } + + containers = append(containers, c) + } + + return containers +} + +// mergePorts uses both "old" and "new" values and replaces collisions by name with "new". +func mergePorts(old []corev1.ContainerPort, new []corev1.ContainerPort) []corev1.ContainerPort { + ports := make(map[string]corev1.ContainerPort, len(old)) + for _, p := range old { + ports[p.Name] = p + } + for _, p := range new { + ports[p.Name] = p + } + + mergedPorts := make([]corev1.ContainerPort, 0, len(ports)) + for _, port := range ports { + mergedPorts = append(mergedPorts, port) + } + return mergedPorts +} + +// mergeEnvs uses both "old" and "new" values and replaces collisions by name with "new". +func mergeEnvs(old []corev1.EnvVar, new []corev1.EnvVar) []corev1.EnvVar { + envs := make(map[string]corev1.EnvVar, len(old)) + for _, env := range old { + envs[env.Name] = env + } + for _, env := range new { + envs[env.Name] = env + } + + merged := make([]corev1.EnvVar, 0, len(envs)) + for _, env := range envs { + merged = append(merged, env) + } + return merged +} + func getStartupProbe(probe *corev1.Probe) *corev1.Probe { defaultProbe := corev1.Probe{ ProbeHandler: corev1.ProbeHandler{ diff --git a/internal/controller/factory/statefulset_test.go b/internal/controller/factory/statefulset_test.go index af90f256..d765cf23 100644 --- a/internal/controller/factory/statefulset_test.go +++ b/internal/controller/factory/statefulset_test.go @@ -35,15 +35,13 @@ import ( ) var _ = Describe("CreateOrUpdateStatefulSet handler", func() { + const resourceName = "test-resource" + ctx := context.Background() + typeNamespacedName := types.NamespacedName{ + Name: resourceName, + Namespace: "default", + } Context("When ensuring a statefulset", func() { - const resourceName = "test-resource" - - ctx := context.Background() - - typeNamespacedName := types.NamespacedName{ - Name: resourceName, - Namespace: "default", - } etcdcluster := &etcdaenixiov1alpha1.EtcdCluster{ ObjectMeta: metav1.ObjectMeta{ Name: resourceName, @@ -99,10 +97,15 @@ var _ = Describe("CreateOrUpdateStatefulSet handler", func() { }, }, Spec: etcdaenixiov1alpha1.PodSpec{ - Resources: v1.ResourceRequirements{ - Requests: v1.ResourceList{ - v1.ResourceCPU: resource.MustParse("100m"), - v1.ResourceMemory: resource.MustParse("128Mi"), + Containers: []v1.Container{ + { + Name: "etcd", + Resources: v1.ResourceRequirements{ + Requests: v1.ResourceList{ + v1.ResourceCPU: resource.MustParse("100m"), + v1.ResourceMemory: resource.MustParse("128Mi"), + }, + }, }, }, }, @@ -117,9 +120,9 @@ var _ = Describe("CreateOrUpdateStatefulSet handler", func() { By("Checking the resources") Expect(sts.Spec.Template.Spec.Containers[0].Resources.Requests.Cpu()). - To(Equal(etcdcluster.Spec.PodTemplate.Spec.Resources.Requests.Cpu())) + To(Equal(etcdcluster.Spec.PodTemplate.Spec.Containers[0].Resources.Requests.Cpu())) Expect(sts.Spec.Template.Spec.Containers[0].Resources.Requests.Memory()). - To(Equal(etcdcluster.Spec.PodTemplate.Spec.Resources.Requests.Memory())) + To(Equal(etcdcluster.Spec.PodTemplate.Spec.Containers[0].Resources.Requests.Memory())) By("Checking the pod metadata") Expect(sts.Spec.Template.ObjectMeta.GenerateName).To(Equal(etcdcluster.Spec.PodTemplate.Name)) @@ -190,19 +193,24 @@ var _ = Describe("CreateOrUpdateStatefulSet handler", func() { It("should successfully override probes", func() { etcdcluster := etcdcluster.DeepCopy() etcdcluster.Spec.PodTemplate.Spec = etcdaenixiov1alpha1.PodSpec{ - LivenessProbe: &v1.Probe{ - InitialDelaySeconds: 13, - PeriodSeconds: 11, - }, - ReadinessProbe: &v1.Probe{ - PeriodSeconds: 3, - }, - StartupProbe: &v1.Probe{ - PeriodSeconds: 7, - ProbeHandler: v1.ProbeHandler{ - HTTPGet: &v1.HTTPGetAction{ - Path: "/test", - Port: intstr.FromInt32(2389), + Containers: []v1.Container{ + { + Name: "etcd", + LivenessProbe: &v1.Probe{ + InitialDelaySeconds: 13, + PeriodSeconds: 11, + }, + ReadinessProbe: &v1.Probe{ + PeriodSeconds: 3, + }, + StartupProbe: &v1.Probe{ + PeriodSeconds: 7, + ProbeHandler: v1.ProbeHandler{ + HTTPGet: &v1.HTTPGetAction{ + Path: "/test", + Port: intstr.FromInt32(2389), + }, + }, }, }, }, @@ -517,4 +525,104 @@ var _ = Describe("CreateOrUpdateStatefulSet handler", func() { }) }) }) + + Context("Generating Pod spec.containers", func() { + etcdCluster := &etcdaenixiov1alpha1.EtcdCluster{ + ObjectMeta: metav1.ObjectMeta{ + Name: resourceName, + Namespace: "default", + UID: "test-uid", + }, + Spec: etcdaenixiov1alpha1.EtcdClusterSpec{ + Replicas: ptr.To(int32(3)), + }, + } + etcdCluster.Default() + It("should generate default containers", func() { + containers := generateContainers(etcdCluster) + if Expect(containers).To(HaveLen(1)) { + Expect(containers[0].StartupProbe).NotTo(BeNil()) + Expect(containers[0].LivenessProbe).NotTo(BeNil()) + Expect(containers[0].ReadinessProbe).NotTo(BeNil()) + if Expect(containers[0].VolumeMounts).To(HaveLen(1)) { + Expect(containers[0].VolumeMounts[0].Name).To(Equal("data")) + Expect(containers[0].VolumeMounts[0].MountPath).To(Equal("/var/run/etcd")) + } + } + }) + It("should merge fields without collisions correctly", func() { + localCluster := etcdCluster.DeepCopy() + localCluster.Spec.PodTemplate.Spec.Containers[0].VolumeMounts = append( + localCluster.Spec.PodTemplate.Spec.Containers[0].VolumeMounts, + v1.VolumeMount{ + Name: "test", + MountPath: "/test/tmp.txt", + }, + ) + localCluster.Spec.PodTemplate.Spec.Containers[0].EnvFrom = append( + localCluster.Spec.PodTemplate.Spec.Containers[0].EnvFrom, + v1.EnvFromSource{ + ConfigMapRef: &v1.ConfigMapEnvSource{ + LocalObjectReference: v1.LocalObjectReference{Name: "test"}, + }, + }, + ) + localCluster.Spec.PodTemplate.Spec.Containers[0].Ports = append( + localCluster.Spec.PodTemplate.Spec.Containers[0].Ports, + v1.ContainerPort{Name: "metrics", ContainerPort: 1111}, + ) + localCluster.Spec.PodTemplate.Spec.Containers = append( + localCluster.Spec.PodTemplate.Spec.Containers, + v1.Container{ + Name: "exporter", + Image: "etcd-exporter", + }, + ) + + containers := generateContainers(localCluster) + if Expect(containers).To(HaveLen(2)) { + Expect(containers[0].EnvFrom).To(ContainElement(v1.EnvFromSource{ + ConfigMapRef: &v1.ConfigMapEnvSource{ + LocalObjectReference: v1.LocalObjectReference{Name: "test"}, + }, + })) + Expect(containers[0].Ports).To(ContainElement(v1.ContainerPort{Name: "metrics", ContainerPort: 1111})) + if Expect(containers[0].VolumeMounts).To(HaveLen(2)) { + Expect(containers[0].VolumeMounts).To(ContainElement(v1.VolumeMount{ + Name: "data", + MountPath: "/var/run/etcd", + })) + Expect(containers[0].VolumeMounts).To(ContainElement(v1.VolumeMount{ + Name: "test", + MountPath: "/test/tmp.txt", + })) + } + } + }) + It("should override user provided field on collision", func() { + localCluster := etcdCluster.DeepCopy() + localCluster.Spec.PodTemplate.Spec.Containers[0].VolumeMounts = append( + localCluster.Spec.PodTemplate.Spec.Containers[0].VolumeMounts, + v1.VolumeMount{ + Name: "data", + MountPath: "/test/tmp.txt", + }, + ) + localCluster.Spec.PodTemplate.Spec.Containers[0].Ports = append( + localCluster.Spec.PodTemplate.Spec.Containers[0].Ports, + v1.ContainerPort{Name: "client", ContainerPort: 1111}, + ) + + containers := generateContainers(localCluster) + if Expect(containers).To(HaveLen(1)) { + Expect(containers[0].Ports).NotTo(ContainElement(v1.ContainerPort{Name: "client", ContainerPort: 1111})) + if Expect(containers[0].VolumeMounts).To(HaveLen(1)) { + Expect(containers[0].VolumeMounts).NotTo(ContainElement(v1.VolumeMount{ + Name: "data", + MountPath: "/tmp", + })) + } + } + }) + }) })