Enable containerd to deploy vanilla containerd package (#4951)

* Enable containerd to deploy vanilla containerd package

Fixes kubeadm references to CRI socket for containerd
Fixes download role cache feature to work with containerd

Change-Id: I2ab8f0031107e2f0d1a85c39b4beb66f08509a01

* use containerd for flannel-addons job

Change-Id: Ied375c7d65e64a625ffbd995ff16f2374067dee6

* add containerd vars

Change-Id: Ib9a8a04e501c481a86235413cbec63f3672baf91

* fixup vars

Change-Id: Ibea64e4b18405a578b52a13da100384582aa24c2

* more fixes

* fix rh repo

Change-Id: I00575a77cfb7b81d6095db5d918a52023c8f13ba

* Adjust helm host install for containerd

roles/download/tasks/prep_download.yml

@@ -5,6 +5,20 @@
   tags:
     - facts
 
+- name: Set image info command for containerd
+  set_fact:
+    image_info_command: "{{ containerd_bin_dir }}/ctr images ls | tail -n +2 | awk -F '[ :]+' '{print $1\":\"$2\",\"$1\":\"$4\"@\"$5}' | tr '\n' ','"
+  when: container_manager == 'containerd'
+
+- name: Register docker images info
+  shell: "{{ image_info_command }}"
+  no_log: true
+  register: docker_images
+  failed_when: false
+  changed_when: false
+  check_mode: no
+  when: download_container
+
 - name: prep_download | Create staging directory on remote node
   file:
     path: "{{ local_release_dir }}/images"