Custom MCP and MC

README.md

# To apply as additional role to the node
oc label node <your-node-name> machineconfiguration.openshift.io/role=my-role

# To replace the role of the node
oc label node <your-node-name> machineconfiguration.openshift.io/role=my-role --override

custom-mc1.yaml

---
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: my-role
  name: 50-my-role-files
spec:
  config:
    ignition:
      config: {}
      security:
        tls: {}
      timeouts: {}
      version: 3.1.0
    networkd: {}
    passwd: {}
    storage:
      files:
        - path: "/etc/foo/foo.conf"
          filesystem: root
          mode: 420
          contents:
            source: data:;base64,<BASE64_FOO.CONF>
        - path: "/etc/foo/foo-other.conf"
          filesystem: root
          mode: 420
          contents:
            source: data:;base64,<BASE64_FOO-OTHER.CONF>

custom-mc2.yaml

---
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: my-role
  name: 50-my-role-kargs
spec:
  kernelArguments:
  #- nosmt
  - something=other
  - your_custom_karg=here

custom-mcp.yaml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfigPool
metadata:
  name: worker-bm
spec:
  machineConfigSelector:
    matchExpressions:
      - {key: machineconfiguration.openshift.io/role, operator: In, values: [worker,my-role]}
  nodeSelector:
    matchLabels:
      node-role.kubernetes.io/my-role: ""