Manage containerd.io package with docker CRI. (#6218)

* Manage containerd.io package with docker CRI.

* Refactor common containerd stuff to separate role

* Fix check mode and unnecessary shell.

roles/container-engine/containerd/tasks/crictl.yml

@@ -22,12 +22,13 @@
   delegate_to: "{{ inventory_hostname }}"
 
 - name: Get crictl completion
-  shell: "{{ bin_dir }}/crictl completion"
+  command: "{{ bin_dir }}/crictl completion"
   changed_when: False
   register: cri_completion
+  check_mode: False
 
 - name: Install crictl completion
   copy:
     dest: /etc/bash_completion.d/crictl
     content: "{{ cri_completion.stdout }}"
-  become: True
+  become: True