Add paste01.opendev.org to backup

Change-Id: Iec6b916bd27a5333d28d1fdc931d4f41165bf50c

inventory/service/groups.yaml

@@ -23,6 +23,7 @@ groups:
     - refstack01.openstack.org
     - kdc03.openstack.org
     - eavesdrop01.opendev.org
+    - paste01.opendev.org
     # All these servers are "special-cased" in specifically
     # as they are puppet and should be replaced "soon"
     - ethercalc02.openstack.org

inventory/service/host_vars/paste01.opendev.org.yaml

@@ -3,3 +3,6 @@ letsencrypt_certs:
     - paste01.opendev.org
     - paste.opendev.org
     - paste.openstack.org
+borg_backup_excludes_extra:
+  # live db; dumped with mysqldump
+  - /var/lib/lodgeit

playbooks/roles/lodgeit/tasks/main.yaml

@@ -83,4 +83,16 @@
   shell:
     cmd: docker image prune -f
 
-# TODO : db backups
+- name: Create backup streaming config dir
+  file:
+    path: /etc/borg-streams
+    state: directory
+
+- name: Setup container mariadb backup jobs
+  block:
+    - name: Create mariadb streaming file
+      copy:
+        content: >-
+          /usr/local/bin/docker-compose -f /etc/lodgeit-compose/docker-compose.yaml exec -T mariadb
+          bash -c '/usr/bin/mysqldump --all-databases --skip-extended-insert --single-transaction -uroot -p"$MYSQL_ROOT_PASSWORD"'
+        dest: /etc/borg-streams/mariadb