[b/r] Discover RabbitMQ clusters dynamically in cifmw role

Remove cifmw_backup_restore_rabbitmq_clusters variable and discover
cluster names from the OpenStackControlPlane CR at restore time.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: stuggi

docs/dev/backup-restore/role/cifmw_backup_restore/defaults/main.yml

@@ -39,9 +39,6 @@ cifmw_backup_restore_restore_timeout: 900
 cifmw_backup_restore_infra_ready_timeout: 20m
 cifmw_backup_restore_ctlplane_ready_timeout: 10m
 cifmw_backup_restore_strict_restore: true
-cifmw_backup_restore_rabbitmq_clusters:
-  - rabbitmq
-  - rabbitmq-cell1
 cifmw_backup_restore_restore_content: data
 cifmw_backup_restore_pin_pvcs: false
 

docs/dev/backup-restore/role/cifmw_backup_restore/tasks/restore.yml

@@ -290,21 +290,37 @@
 # ========================================
 # Step 8: Restore RabbitMQ Credentials
 # ========================================
+- name: Get RabbitMQ cluster names from OpenStackControlPlane
+  ansible.builtin.shell: |
+    oc get openstackcontrolplane -n {{ cifmw_backup_restore_namespace }} \
+      -o jsonpath='{.items[0].spec.rabbitmq.templates}' | jq -r 'keys[]'
+  register: _rabbitmq_cluster_names
+  changed_when: false
+
+- name: Set RabbitMQ cluster list
+  ansible.builtin.set_fact:
+    _rabbitmq_clusters: "{{ _rabbitmq_cluster_names.stdout_lines if _rabbitmq_cluster_names.stdout != '' else [] }}"
+
+- name: Print RabbitMQ clusters found
+  ansible.builtin.debug:
+    msg: "RabbitMQ clusters: {{ _rabbitmq_clusters if _rabbitmq_clusters | length > 0 else 'none' }}"
+
 - name: Render RabbitMQ restore resources
   ansible.builtin.template:
     src: "{{ item.src }}"
     dest: "{{ _cifmw_backup_restore_rendered_dir.path }}/{{ item.dest }}"
   vars:
     resources_backup_name: "{{ _resources_backup_name }}"
     restore_suffix: "{{ _restore_suffix }}"
-    rabbitmq_clusters: "{{ cifmw_backup_restore_rabbitmq_clusters }}"
+    rabbitmq_clusters: "{{ _rabbitmq_clusters }}"
   loop:
     - src: 06b-resource-modifiers-tmp.yaml.j2
       dest: 06b-resource-modifiers-tmp.yaml
     - src: 06b-restore-rabbitmq-secrets.yaml.j2
       dest: 06b-restore-rabbitmq-secrets.yaml
     - src: 06c-rabbitmquser.yaml.j2
       dest: 06c-rabbitmquser.yaml
+  when: _rabbitmq_clusters | length > 0
 
 - name: Delete temp namespace if it exists
   ansible.builtin.shell: |
@@ -350,7 +366,7 @@
     oc extract secret/${SOURCE_SECRET} -n openstack-restore-tmp --to=${TMPDIR} --confirm
     oc create secret generic ${TARGET_SECRET} -n {{ cifmw_backup_restore_namespace }} --from-file=${TMPDIR}
     rm -rf ${TMPDIR}
-  loop: "{{ cifmw_backup_restore_rabbitmq_clusters }}"
+  loop: "{{ _rabbitmq_clusters }}"
   changed_when: true
 
 - name: Delete temp namespace