Move task;Fix static value;Improve shell logic/ansible filter;Fix typo

ansible/roles/metacluster/tasks/components.yml

@@ -112,7 +112,7 @@
         docker://{{ item }} \
         docker-archive:./{{ ( item | regex_findall('[^/:]+'))[-2] }}_{{ uid }}.tar:{{ item }}
     chdir: /opt/metacluster/container-images
-  var:
+  vars:
     uid: "{{ lookup('ansible.builtin.password', '/dev/null length=5 chars=ascii_lowercase,digits seed=item') }}"
   loop: "{{ ((containerimages.results | map(attribute='stdout_lines') | select('defined') | flatten) + dependencies.container_images + (clusterapi_containerimages | list)) | unique }}"