50-worker-fix-keepalived.yaml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  name: 50-worker-fix-keepalived
  labels:
    machineconfiguration.openshift.io/role: worker
spec:
  config:
    ignition:
      version: 3.2.0
    storage:
      files:
      - contents:
          source: data:text/plain;charset=utf-8;base64,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
          verification: {}
        filesystem: root
        mode: 420
        path: /etc/kubernetes/manifests/keepalived.yaml

50-worker-remove-ipi-leftovers-rwn.yaml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  name: 50-worker-fix-ipi-rwn
  labels:
    machineconfiguration.openshift.io/role: worker
spec:
  config:
    ignition:
      version: 3.1.0
    storage:
      files:
      - contents:
          source: data:,
          verification: {}
        filesystem: root
        mode: 420
        path: /etc/kubernetes/manifests/keepalived.yaml
      - contents:
          source: data:,
          verification: {}
        filesystem: root
        mode: 420
        path: /etc/kubernetes/manifests/mdns-publisher.yaml
      - contents:
          source: data:,
          verification: {}
        filesystem: root
        mode: 420
        path: /etc/kubernetes/manifests/coredns.yaml
    systemd:
      units:
      - contents: |
          [Unit]
          Description=Writes IP address configuration so that kubelet and crio services select a valid node IP
          Wants=network-online.target
          After=network-online.target ignition-firstboot-complete.service
          Before=kubelet.service crio.service
          [Service]
          Type=oneshot
          ExecStart=/bin/bash -c "exit 0 "
          [Install]
          WantedBy=multi-user.target
        enabled: true
        name: nodeip-configuration.service

dummy-keepalived-removed.yaml

apiVersion: v1
kind: Pod
metadata:
  name: keepalived-removed
  namespace: openshift-kni-infra
spec:
  containers:
  - command:
    - /bin/bash
    - -c 
    - sleep infinity
    image: registry.access.redhat.com/ubi8/ubi
    imagePullPolicy: IfNotPresent
    name: dummy
    securityContext:
      privileged: true
  restartPolicy: Always
  enableServiceLinks: true
  hostNetwork: true

ingress-controller.yaml

# Move ingress to control plane and scale replicas to 3
# NOTE: when 3 replicast in control plane 
# must be set to 2 replicas before upgrades
apiVersion: operator.openshift.io/v1
kind: IngressController
metadata:
  name: default
  namespace: openshift-ingress-operator
spec:
  nodePlacement:
    nodeSelector:
      matchLabels:
        node-role.kubernetes.io/master: ""
  replicas: 3