Merge "Make execution of the backup idempotent" into stable/train

tripleo_ansible/roles/backup-and-restore/backup/tasks/db_backup.yml

@@ -48,6 +48,29 @@
   tags:
     - bar_create_recover_image
 
+- name: Enable pacemaker if it is stopped
+  command: pcs cluster start --all
+  when:
+    - enabled_galera
+    - tripleo_backup_and_restore_service_manager|bool
+  run_once: true
+  tags:
+    - bar_create_recover_image
+
+- name: Wait until pacemaker has Galera up&running
+  shell: |
+    set -o pipefail
+    netstat -tunlp | grep ":3306 " | sed -e 's/.*\///'
+  register: mysql_result
+  retries: 300
+  until: mysql_result is search('mysqld')
+  delay: 5
+  when:
+    - enabled_galera
+    - tripleo_backup_and_restore_service_manager|bool
+  tags:
+    - bar_create_recover_image
+
 - name: Get the mysql container id when galera is enabled
   shell: |
     set -o pipefail
@@ -65,6 +88,17 @@
   tags:
     - bar_create_recover_image
 
+- name: Unpause mysql for backup if it is paused
+  command: "{{ tripleo_container_cli }} unpause {{ tripleo_backup_and_restore_mysql_container }}"
+  when:
+    - mysql_password.stderr is defined
+    - tripleo_backup_and_restore_mysql_container == "mysql"
+    - not enabled_galera
+    - tripleo_backup_and_restore_service_manager|bool
+  failed_when: false
+  tags:
+    - bar_create_recover_image
+
 - name: MySQL Grants backup
   shell: |
     set -o pipefail

tripleo_ansible/roles/backup-and-restore/backup/tasks/service_manager_pause.yml

@@ -39,6 +39,7 @@
     /usr/bin/{{ tripleo_container_cli }} ps --format '{{ '{{' }}.Names {{ '}}' }} ' | /usr/bin/egrep -v 'galera|mysql|bundle'
   register: container_services
   changed_when: container_services.stdout is undefined
+  failed_when: false
   tags:
     - bar_create_recover_image
 

tripleo_ansible/roles/backup-and-restore/tasks/ceph_authentication.yml

@@ -32,6 +32,12 @@
   tags:
     - always
 
+- name: Unpause ceph mon container if paused
+  command: "{{ tripleo_container_cli }} unpause ceph-mon-{{ ansible_facts['hostname'] }}"
+  failed_when: false
+  tags:
+    - bar_create_recover_image
+
 - name: Export ceph authentication
   shell: |
     set -o pipefail

tripleo_ansible/roles/backup-and-restore/tasks/main.yml

@@ -49,10 +49,12 @@
 - name: Backup pacemaker configuration
   import_tasks: pacemaker_backup.yml
 
-- name: Create recovery images with ReaR
-  import_tasks: ../backup/tasks/main.yml
-
-- name: Service management
-  import_tasks: ../backup/tasks/service_manager_unpause.yml
-  when:
-    - tripleo_backup_and_restore_service_manager
+- name: Perform backup
+  block:
+    - name: Create recovery images with ReaR
+      import_tasks: ../backup/tasks/main.yml
+  always:
+    - name: Service management
+      import_tasks: ../backup/tasks/service_manager_unpause.yml
+      when:
+        - tripleo_backup_and_restore_service_manager