OpenShift example install-config.yaml for existing VPCs

install-config.yaml

apiVersion: v1
additionalTrustBundlePolicy: Always
baseDomain: mydomain.com
#credentialsMode: Mint
controlPlane:
  hyperthreading: Enabled
  name: master
  platform:
    aws:
#      zones:  # typically derived from the subnets listed later in the file
#      - us-gov-west-1a
      type: m6i.xlarge  # Should be at least an m5.xlarge or m6.xlarge
  replicas: 3
compute:
- hyperthreading: Enabled
  name: worker
  platform:
    aws:
      type: m5.2xlarge # Can be bigger. Nodes can be added later or of different sizes
#      zones:  # typically derived from the subnets listed later in the file
#      - us-gov-west-1a
  replicas: 3
metadata:
  name: ocp4
networking:
  clusterNetwork: # SDNs inside OCP. Should not need to change this
  - cidr: 10.128.0.0/14
    hostPrefix: 23
  machineNetwork:
  - cidr: 10.54.71.128/26  # This is the VPC CIDR Block
  networkType: OVNKubernetes
  serviceNetwork:  # SDNs inside OCP. Should not need to change this
  - 172.30.0.0/16
platform:
  aws:
    amiID:
    region: us-gov-west-1
    propagateUserTags: true
    hostedZone: # Looks like Z043827.....
    subnets:
    - subnet-0965  # private subnet. Add a new line for each subnet needed.
publish: Internal
fips: false
sshKey: 'ssh-ed25519 AAAA....'  #public part of an ssh key used to access the OCP nodes if needed
pullSecret: ''  # json file from console.redhat.com
# If the cluster should trust other certificate authorities, add the root and/or intermediate CAs below
#additionalTrustBundle:
#  ------- BEGIN CERTIFICATE -------
#  ------- END CERTIFICATE -------