Check variable for container volumes.

odroid.yaml

@@ -155,3 +155,9 @@
       with_items: "{{ oldBackups.results | map(attribute='files') | list }}"
       loop_control:
         label: "{{ item.path }}"
+
+    - name: Backup container volumes
+      debug: var=item
+      loop: "{{ volumes }}"
+      loop_control:
+        label: "{{ item.key }}"