5.5. Updating the control plane

Procedure

1. Optional: Configure the Block Storage backup service in your openstack_control_plane.yaml file:

         cinderBackup:
           customServiceConfig: |
             [DEFAULT]
             backup_driver = cinder.backup.drivers.ceph.CephBackupDriver
             backup_ceph_pool = backups
             backup_ceph_user = openstack

   For more information about configuring the Block Storage backup service, see Configuring the Block Storage backup service.

2. Update the Block Storage cinder volume service in your openstack_control_plane.yaml file:

         cinderVolumes:
           az0:
             customServiceConfig: |
               [DEFAULT]
               enabled_backends = ceph
               glance_api_servers = https://glance-az0-internal.openstack.svc:9292
               [ceph]
               volume_backend_name = ceph
               volume_driver = cinder.volume.drivers.rbd.RBDDriver
               rbd_ceph_conf = /etc/ceph/az0.conf
               rbd_user = openstack
               rbd_pool = volumes
               rbd_flatten_volume_from_snapshot = False
               rbd_secret_uuid = 795dcbca-e715-5ac3-9b7e-a3f5c64eb89f
               rbd_cluster_name = az0
               backend_availability_zone = az0

   For more information about configuring the Block Storage volume service, see Configuring the Block Storage volume service component.

3. Add the extraMounts field to your openstack_control_plane.yaml file to define the services that require access to the Red Hat Ceph Storage secret:

     extraMounts:
     - extraVol:
       - extraVolType: Ceph
         mounts:
         - mountPath: /etc/ceph
           name: ceph
           readOnly: true
         propagation:
         - az0
         - CinderBackup
         volumes:
         - name: ceph
           projected:
             sources:
             - secret:
                 name: ceph-conf-az-0

4. Update the Image service (glance) in your openstack_control_plane.yaml file to configure the Block Storage service as the backend:

         glanceAPIs:
           az0:
             customServiceConfig: |
               [DEFAULT]
               enabled_import_methods = [web-download,copy-image,glance-direct]
               enabled_backends = az0:rbd
               [glance_store]
               default_backend = az0
               [az0]
               rbd_store_ceph_conf = /etc/ceph/az0.conf
               store_description = "az0 RBD backend"
               rbd_store_pool = images
               rbd_store_user = openstack
               rbd_thin_provisioning = True

5. Apply the changes made to the OpenStackControlPlane CR:

   oc apply -f openstack_control_plane.yaml

6. Add the AZ to a host aggregate. This allows OpenStack administrators to schedule workloads to a geographical location based on image metadata.

   1. Open a terminal to the openstackclient pod:

      # oc rsh openstackclient

   2. Create a new OpenStack aggregate:

      $ openstack aggregate create <aggregate_name>

   3. Label the OpenStack aggregate with the name of the AZ:

      $ openstack aggregate set --zone <availability_zone> <aggregate_name>

   4. Add each host in the AZ to the aggregate:

      $ openstack aggregate add host <aggregate_name> <compute_node_1>
      $ openstack aggregate add host <aggregate_name> <compute_node_2>
      ...