backups: archive volumes > copy to localhost > rm remote > extract in local

backup_docker_volumes.yml

@@ -1,17 +1,40 @@
 ---
 - name: Backup Docker volumes from remote server
   hosts: all
-#  become: yes
-  tasks:
-    - name: Ensure local backup directory exists
-      local_action: file
-        path=./backups
-        state=directory
-        mode=0755
+  become: yes
+  vars:
+    backup_dir: "./backups"
+    backup_name: "volumes_{{ ansible_date_time.iso8601_basic_short }}"
+    archive_path: "/tmp/docker_volumes_backup_{{ ansible_date_time.iso8601_basic_short }}.tar.gz"
 
-    - name: Synchronize /var/lib/docker/volumes to local ./backups
-      synchronize:
-        src: /var/lib/docker/volumes
+
+  tasks:
+    - name: Create archive of docker volumes
+      become: yes
+      archive:
+        path: /opt/docker/.
+        dest: /tmp/{{ backup_name }}.tar.gz
+        format: gz
+
+    - name: Fetch archive to local machine
+      become: yes
+      fetch:
+        src: /tmp/{{ backup_name }}.tar.gz
+        dest: ./backups/archive/
+        flat: yes
+
+    - name: Clean up archive on remote
+      become: yes
+      file:
+        path: /tmp/{{ backup_name }}.tar.gz
+        state: absent
+
+    - name: Extract archive locally
+      become: no
+      delegate_to: localhost
+      run_once: true
+      ansible.builtin.unarchive:
+        src: ./backups/archive/{{ backup_name }}.tar.gz
         dest: ./backups/
-        mode: pull
-        delete: no
+        remote_src: no
+#        extra_opts: [ "--strip-components=3" ]