forked from tty47/torch
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat(torch): merge watchdog - update docs
Signed-off-by: Jose Ramon Mañes <[email protected]>
- Loading branch information
Showing
6 changed files
with
357 additions
and
43 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| log "github.com/sirupsen/logrus" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/rest" | ||
|
|
||
| "github.com/celestiaorg/torch/pkg/metrics" | ||
| ) | ||
|
|
||
| // RetrieveAndGenerateMetrics retrieves the list of Load Balancers and generates metrics | ||
| func RetrieveAndGenerateMetrics() ([]metrics.LoadBalancer, error) { | ||
| log.Info("Retrieving the list of Load Balancers") | ||
|
|
||
| // Get list of LBs | ||
| svc, err := ListServices() | ||
| if err != nil { | ||
| log.Printf("Failed to retrieve the LoadBalancers: %v", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| // Get the list of the LBs | ||
| loadBalancers := GetLoadBalancers(svc) | ||
|
|
||
| // Generate the metrics with the LBs | ||
| err = metrics.WithMetricsLoadBalancer(loadBalancers) | ||
| if err != nil { | ||
| log.Printf("Failed to update metrics: %v", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| return loadBalancers, nil | ||
| } | ||
|
|
||
| // ListServices retrieves the list of services in a namespace | ||
| func ListServices() (*corev1.ServiceList, error) { | ||
| // Authentication in cluster - using Service Account, Role, RoleBinding | ||
| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| log.Error("ERROR: ", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| // Create the Kubernetes clientSet | ||
| clientSet, err := kubernetes.NewForConfig(config) | ||
| if err != nil { | ||
| log.Error("ERROR: ", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| // Get all services in the namespace | ||
| services, err := clientSet.CoreV1().Services(GetCurrentNamespace()).List(context.Background(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| log.Error("ERROR: ", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| return services, nil | ||
| } | ||
|
|
||
| // GetLoadBalancers filters the list of services to include only Load Balancers and returns a list of them | ||
| func GetLoadBalancers(svc *corev1.ServiceList) []metrics.LoadBalancer { | ||
| var loadBalancers []metrics.LoadBalancer | ||
|
|
||
| for _, svc := range svc.Items { | ||
| if svc.Spec.Type == corev1.ServiceTypeLoadBalancer { | ||
| for _, ingress := range svc.Status.LoadBalancer.Ingress { | ||
| log.Info(fmt.Sprintf("Updating metrics for service: [%s] with IP: [%s]", svc.Name, ingress.IP)) | ||
|
|
||
| // Create a LoadBalancer struct and append it to the loadBalancers list | ||
| loadBalancer := metrics.LoadBalancer{ | ||
| ServiceName: "torch", | ||
| LoadBalancerName: svc.Name, | ||
| LoadBalancerIP: ingress.IP, | ||
| Namespace: svc.Namespace, | ||
| Value: 1, // Set the value of the metric here (e.g., 1) | ||
| } | ||
| loadBalancers = append(loadBalancers, loadBalancer) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return loadBalancers | ||
| } | ||
|
|
||
| // WatchServices watches for changes to the services in the specified namespace and updates the metrics accordingly | ||
| func WatchServices(done chan<- error) { | ||
| defer close(done) | ||
|
|
||
| // Authentication in cluster - using Service Account, Role, RoleBinding | ||
| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| log.Error("Failed to get in-cluster config: ", err) | ||
| done <- err | ||
| return | ||
| } | ||
|
|
||
| // Create the Kubernetes clientSet | ||
| clientSet, err := kubernetes.NewForConfig(config) | ||
| if err != nil { | ||
| log.Error("Failed to create Kubernetes clientSet: ", err) | ||
| done <- err | ||
| return | ||
| } | ||
|
|
||
| // Create a service watcher | ||
| watcher, err := clientSet.CoreV1().Services(GetCurrentNamespace()).Watch(context.Background(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| log.Error("Failed to create service watcher: ", err) | ||
| done <- err | ||
| return | ||
| } | ||
|
|
||
| // Watch for events on the watcher channel | ||
| for event := range watcher.ResultChan() { | ||
| if service, ok := event.Object.(*corev1.Service); ok { | ||
| if service.Spec.Type == corev1.ServiceTypeLoadBalancer { | ||
| loadBalancers := GetLoadBalancers(&corev1.ServiceList{Items: []corev1.Service{*service}}) | ||
| if err := metrics.WithMetricsLoadBalancer(loadBalancers); err != nil { | ||
| log.Error("Failed to update metrics with load balancers: ", err) | ||
| done <- err | ||
| return | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.