Setting up the environment for an OpenShift installation

interfaces:
- name: enp2s0 (1)
  type: ethernet (2)
  state: up (3)
  ipv4:
    enabled: false (4)
  ipv6:
    enabled: false
- name: br-ex
  type: ovs-bridge
  state: up
  ipv4:
    enabled: false
    dhcp: false
  ipv6:
    enabled: false
    dhcp: false
  bridge:
    port:
    - name: enp2s0 (5)
    - name: br-ex
- name: br-ex
  type: ovs-interface
  state: up
  copy-mac-from: enp2s0
  ipv4:
    enabled: true
    dhcp: true
  ipv6:
    enabled: false
    dhcp: false
# ...

$ cat <nmstate_configuration>.yaml | base64 (1)

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker (1)
  name: 10-br-ex-worker (2)
spec:
  config:
    ignition:
      version: 3.2.0
    storage:
      files:
      - contents:
          source: data:text/plain;charset=utf-8;base64,<base64_encoded_nmstate_configuration> (3)
        mode: 0644
        overwrite: true
        path: /etc/nmstate/openshift/cluster.yml
# ...

$ oc edit mc <machineconfig_custom_resource_name>

$ oc apply -f ./extraworker-secret.yaml

apiVersion: metal3.io/v1alpha1
kind: BareMetalHost
spec:
# ...
  preprovisioningNetworkDataName: ostest-extraworker-0-network-config-secret
# ...

$ oc project openshift-machine-api

$ oc get machinesets

$ oc scale machineset <machineset_name> --replicas=<n> (1)

# ...
listen my-cluster-api-6443
    bind 192.168.1.100:6443
    mode tcp
    balance roundrobin
  option httpchk
  http-check connect
  http-check send meth GET uri /readyz
  http-check expect status 200
    server my-cluster-master-2 192.168.1.101:6443 check inter 10s rise 2 fall 2
    server my-cluster-master-0 192.168.1.102:6443 check inter 10s rise 2 fall 2
    server my-cluster-master-1 192.168.1.103:6443 check inter 10s rise 2 fall 2

listen my-cluster-machine-config-api-22623
    bind 192.168.1.100:22623
    mode tcp
    balance roundrobin
  option httpchk
  http-check connect
  http-check send meth GET uri /healthz
  http-check expect status 200
    server my-cluster-master-2 192.168.1.101:22623 check inter 10s rise 2 fall 2
    server my-cluster-master-0 192.168.1.102:22623 check inter 10s rise 2 fall 2
    server my-cluster-master-1 192.168.1.103:22623 check inter 10s rise 2 fall 2

listen my-cluster-apps-443
    bind 192.168.1.100:443
    mode tcp
    balance roundrobin
  option httpchk
  http-check connect
  http-check send meth GET uri /healthz/ready
  http-check expect status 200
    server my-cluster-worker-0 192.168.1.111:443 check port 1936 inter 10s rise 2 fall 2
    server my-cluster-worker-1 192.168.1.112:443 check port 1936 inter 10s rise 2 fall 2
    server my-cluster-worker-2 192.168.1.113:443 check port 1936 inter 10s rise 2 fall 2

listen my-cluster-apps-80
   bind 192.168.1.100:80
   mode tcp
   balance roundrobin
  option httpchk
  http-check connect
  http-check send meth GET uri /healthz/ready
  http-check expect status 200
    server my-cluster-worker-0 192.168.1.111:80 check port 1936 inter 10s rise 2 fall 2
    server my-cluster-worker-1 192.168.1.112:80 check port 1936 inter 10s rise 2 fall 2
    server my-cluster-worker-2 192.168.1.113:80 check port 1936 inter 10s rise 2 fall 2
# ...

# ...
listen api-server-6443
    bind *:6443
    mode tcp
      server master-00 192.168.83.89:6443 check inter 1s
      server master-01 192.168.84.90:6443 check inter 1s
      server master-02 192.168.85.99:6443 check inter 1s
      server bootstrap 192.168.80.89:6443 check inter 1s

listen machine-config-server-22623
    bind *:22623
    mode tcp
      server master-00 192.168.83.89:22623 check inter 1s
      server master-01 192.168.84.90:22623 check inter 1s
      server master-02 192.168.85.99:22623 check inter 1s
      server bootstrap 192.168.80.89:22623 check inter 1s

listen ingress-router-80
    bind *:80
    mode tcp
    balance source
      server worker-00 192.168.83.100:80 check inter 1s
      server worker-01 192.168.83.101:80 check inter 1s

listen ingress-router-443
    bind *:443
    mode tcp
    balance source
      server worker-00 192.168.83.100:443 check inter 1s
      server worker-01 192.168.83.101:443 check inter 1s

listen ironic-api-6385
    bind *:6385
    mode tcp
    balance source
      server master-00 192.168.83.89:6385 check inter 1s
      server master-01 192.168.84.90:6385 check inter 1s
      server master-02 192.168.85.99:6385 check inter 1s
      server bootstrap 192.168.80.89:6385 check inter 1s

listen inspector-api-5050
    bind *:5050
    mode tcp
    balance source
      server master-00 192.168.83.89:5050 check inter 1s
      server master-01 192.168.84.90:5050 check inter 1s
      server master-02 192.168.85.99:5050 check inter 1s
      server bootstrap 192.168.80.89:5050 check inter 1s
# ...

<load_balancer_ip_address>  A  api.<cluster_name>.<base_domain>
A record pointing to Load Balancer Front End

<load_balancer_ip_address>   A apps.<cluster_name>.<base_domain>
A record pointing to Load Balancer Front End

# ...
platform:
  baremetal:
    loadBalancer:
      type: UserManaged (1)
      apiVIPs:
      - <api_ip> (2)
      ingressVIPs:
      - <ingress_ip> (3)
# ...

apiVersion: v1
baseDomain: <domain>
metadata:
  name: <cluster_name>
networking:
  machineNetwork:
  - cidr: <public_cidr>
  networkType: OVNKubernetes
compute:
- name: worker
  replicas: 2 (1)
controlPlane:
  name: master
  replicas: 3
  platform:
    baremetal: {}
platform:
  baremetal:
    apiVIPs:
      - <api_ip>
    ingressVIPs:
      - <wildcard_ip>
    provisioningNetworkCIDR: <CIDR>
    bootstrapExternalStaticIP: <bootstrap_static_ip_address> (2)
    bootstrapExternalStaticGateway: <bootstrap_static_gateway> (3)
    bootstrapExternalStaticDNS: <bootstrap_static_dns> (4)
    hosts:
      - name: openshift-master-0
        role: master
        bmc:
          address: ipmi://<out_of_band_ip> (5)
          username: <user>
          password: <password>
        bootMACAddress: <NIC1_mac_address>
        rootDeviceHints:
         deviceName: "<installation_disk_drive_path>" (6)
      - name: <openshift_master_1>
        role: master
        bmc:
          address: ipmi://<out_of_band_ip>
          username: <user>
          password: <password>
        bootMACAddress: <NIC1_mac_address>
        rootDeviceHints:
         deviceName: "<installation_disk_drive_path>"
      - name: <openshift_master_2>
        role: master
        bmc:
          address: ipmi://<out_of_band_ip>
          username: <user>
          password: <password>
        bootMACAddress: <NIC1_mac_address>
        rootDeviceHints:
         deviceName: "<installation_disk_drive_path>"
      - name: <openshift_worker_0>
        role: worker
        bmc:
          address: ipmi://<out_of_band_ip>
          username: <user>
          password: <password>
        bootMACAddress: <NIC1_mac_address>
      - name: <openshift_worker_1>
        role: worker
        bmc:
          address: ipmi://<out_of_band_ip>
          username: <user>
          password: <password>
        bootMACAddress: <NIC1_mac_address>
        rootDeviceHints:
         deviceName: "<installation_disk_drive_path>"
pullSecret: '<pull_secret>'
sshKey: '<ssh_pub_key>'

$ mkdir ~/clusterconfigs

$ cp install-config.yaml ~/clusterconfigs

$ ipmitool -I lanplus -U <user> -P <password> -H <management-server-ip> power off

for i in $(sudo virsh list | tail -n +3 | grep bootstrap | awk {'print $2'});
do
  sudo virsh destroy $i;
  sudo virsh undefine $i;
  sudo virsh vol-delete $i --pool $i;
  sudo virsh vol-delete $i.ign --pool $i;
  sudo virsh pool-destroy $i;
  sudo virsh pool-undefine $i;
done

$ export SERVER=<ip_address> (1)

$ export SystemID=<system_id> (1)

$ curl -u $USER:$PASS -X POST -H'Content-Type: application/json' -H'Accept: application/json' -d '{"ResetType": "On"}' https://$SERVER/redfish/v1/Systems/$SystemID/Actions/ComputerSystem.Reset

$ curl -u $USER:$PASS -X POST -H'Content-Type: application/json' -H'Accept: application/json' -d '{"ResetType": "ForceOff"}' https://$SERVER/redfish/v1/Systems/$SystemID/Actions/ComputerSystem.Reset

$ curl -u $USER:$PASS -X PATCH -H "Content-Type: application/json"  https://$Server/redfish/v1/Systems/$SystemID/ -d '{"Boot": {"BootSourceOverrideTarget": "pxe", "BootSourceOverrideEnabled": "Once"}}

$ curl -u $USER:$PASS -X PATCH -H "Content-Type: application/json"  https://$Server/redfish/v1/Systems/$SystemID/ -d '{"Boot": {"BootSourceOverrideMode":"UEFI"}}

$ curl -u $USER:$PASS -X PATCH -H "Content-Type: application/json" https://$Server/redfish/v1/Systems/$SystemID/ -d '{"Boot": {"BootSourceOverrideTarget": "cd", "BootSourceOverrideEnabled": "Once"}}'

$ curl -u $USER:$PASS -X PATCH -H "Content-Type: application/json" -H "If-Match: *" https://$Server/redfish/v1/Managers/$ManagerID/VirtualMedia/$VmediaId -d '{"Image": "https://example.com/test.iso", "TransferProtocolType": "HTTPS", "UserName": "", "Password":""}'