add backup tasks for gallery

roles/dokuwiki/tasks/backup.yml

@@ -1,7 +1,4 @@
 ---
-- debug:
-    var: doku_path
-
 - name: make dokuwiki archive
   community.general.archive:
     dest: "{{ archive }}"

roles/gallery/tasks/backup.yml

@@ -0,0 +1,16 @@
+---
+- name: make gallery archive
+  community.general.archive:
+    dest: "{{ archive }}"
+    path: "{{ album_path }}"
+
+- name: copy archive to controller
+  fetch:
+    src: "{{ archive }}"
+    dest: "{{ output_dir }}"
+    flat: yes
+
+- name: remove remote archive
+  file:
+    path: "{{ archive }}"
+    state: absent

roles/gallery/tasks/main.yml

@@ -1,4 +1,7 @@
 ---
+- debug:
+    var: ansible_run_tags
+
 - name: install gallery
   import_tasks: install.yml
   vars:
@@ -9,3 +12,12 @@
     web_user: lighttpd
     web_group: lighttpd
     proxy_port: 3031
+
+- name: backup gallery
+  when: "'backup' in ansible_run_tags"
+  import_tasks: backup.yml
+  tags: backup
+  vars:
+    output_dir: /tmp/
+    archive: "{{ output_dir }}gallery_backup.tgz"
+    album_path: /var/www/localhost/htdocs/gallery/instance/images