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OpenStack Platform Customization

Beyond the platform-agnostic install-config.yaml properties, the installer supports additional, OpenStack-specific properties.

Cluster-scoped properties

  • cloud (required string): The name of the OpenStack cloud to use from clouds.yaml.
  • computeFlavor (required string): The OpenStack flavor to use for compute and control-plane machines. This is currently required, but has lower precedence than the type property on the compute and controlPlane machine-pools.
  • externalDNS (optional list of strings): The IP addresses of DNS servers to be used for the DNS resolution of all instances in the cluster
  • externalNetwork (required string): The OpenStack external network name to be used for installation.
  • lbFloatingIP (required string): Existing Floating IP to associate with the API load balancer.
  • octaviaSupport (optional string): Whether OpenStack supports Octavia (1 for true or 0 for false)
  • region (deprecated string): The OpenStack region where the cluster will be created. Currently this value is not used by the installer.
  • trunkSupport (optional string): Whether OpenStack ports can be trunked (1 for true or 0 for false)

Machine pools

  • type (optional string): The OpenStack flavor name for machines in the pool.
  • rootVolume (optional object): Defines the root volume for instances in the machine pool. The instances use ephemeral disks if not set.
    • size (required integer): Size of the root volume in GB.
    • type (required string): The volume pool to create the volume from.

Examples

Some example install-config.yaml are shown below. For examples of platform-agnostic configuration fragments, see here.

Minimal

An example minimal OpenStack install config is:

apiVersion: v1
baseDomain: example.com
metadata:
  name: test-cluster
platform:
  openstack:
    cloud: mycloud
    computeFlavor: m1.s2.xlarge
    externalNetwork: external
    externalDNS:
      - "8.8.8.8"
      - "192.168.1.12"
    lbFloatingIP: 128.0.0.1
    region: region1
pullSecret: '{"auths": ...}'
sshKey: ssh-ed25519 AAAA...

Custom machine pools

An example OpenStack install config with custom machine pools:

apiVersion: v1
baseDomain: example.com
controlPlane:
  name: master
  replicas: 3
compute:
- name: worker
  platform:
    openstack:
      type: ml.large
      rootVolume:
        size: 30
        type: performance
  replicas: 3
metadata:
  name: test-cluster
platform:
  openstack:
    cloud: mycloud
    computeFlavor: m1.s2.xlarge
    externalNetwork: external
    lbFloatingIP: 128.0.0.1
    region: region1
pullSecret: '{"auths": ...}'
sshKey: ssh-ed25519 AAAA...