openshift mc

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  name: 99-worker-idmapd
  labels:
    machineconfiguration.openshift.io/role: worker
spec:
  config:
    ignition:
      version: 3.4.0            # current on OCP 4.19
    storage:
      files:
      - path: /etc/idmapd.conf
        mode: 0644
        overwrite: true
        contents:
          source: "data:;base64,W0dlbmVyYWxdCkRvbWFpbiA9IGVuLWxhYi5sb2NhbAo="
          verification: {}