allow to specify docker registry for system containers

roles/openshift_master/tasks/system_container.yml

@@ -1,7 +1,7 @@
 ---
 - name: Pre-pull master system container image
   command: >
-    atomic pull --storage=ostree {{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}
+    atomic pull --storage=ostree {{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}
   register: pull_result
   changed_when: "'Pulling layer' in pull_result.stdout"
 
@@ -13,7 +13,7 @@
 - name: Install or Update master system container
   oc_atomic_container:
     name: "{{ openshift.common.service_type }}-master"
-    image: "{{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
+    image: "{{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
     state: latest
   when:
     - not l_is_ha
@@ -22,7 +22,7 @@
 - name: Install or Update HA api master system container
   oc_atomic_container:
     name: "{{ openshift.common.service_type }}-master-api"
-    image: "{{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
+    image: "{{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
     state: latest
     values:
       - COMMAND=api
@@ -32,7 +32,7 @@
 - name: Install or Update HA controller master system container
   oc_atomic_container:
     name: "{{ openshift.common.service_type }}-master-controllers"
-    image: "{{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
+    image: "{{{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{ openshift.master.master_system_image }}:{{ openshift_image_tag }}"
     state: latest
     values:
       - COMMAND=controllers

roles/openshift_node/tasks/node_system_container.yml

@@ -1,12 +1,12 @@
 ---
 - name: Pre-pull node system container image
   command: >
-    atomic pull --storage=ostree {{ openshift.common.system_images_registry }}/{{ openshift.node.node_system_image }}:{{ openshift_image_tag }}
+    atomic pull --storage=ostree {{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.node.node_system_image }}:{{ openshift_image_tag }}
   register: pull_result
   changed_when: "'Pulling layer' in pull_result.stdout"
 
 - name: Install or Update node system container
   oc_atomic_container:
     name: "{{ openshift.common.service_type }}-node"
-    image: "{{ openshift.common.system_images_registry }}/{{ openshift.node.node_system_image }}:{{ openshift_image_tag }}"
+    image: "{{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.node.node_system_image }}:{{ openshift_image_tag }}"
     state: latest

roles/openshift_node/tasks/openvswitch_system_container.yml

@@ -1,14 +1,14 @@
 ---
 - name: Pre-pull OpenVSwitch system container image
   command: >
-    atomic pull --storage=ostree {{ openshift.common.system_images_registry }}/{{ openshift.node.ovs_system_image }}:{{ openshift_image_tag }}
+    atomic pull --storage=ostree {{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.node.ovs_system_image }}:{{ openshift_image_tag }}
   register: pull_result
   changed_when: "'Pulling layer' in pull_result.stdout"
 
 - name: Install or Update OpenVSwitch system container
   oc_atomic_container:
     name: openvswitch
-    image: "{{ openshift.common.system_images_registry }}/{{ openshift.node.ovs_system_image }}:{{ openshift_image_tag }}"
+    image: "{{ 'docker:' if openshift.common.system_images_registry == 'docker' else openshift.common.system_images_registry + '/' }}{{ openshift.node.ovs_system_image }}:{{ openshift_image_tag }}"
     state: latest
     values:
       - "DOCKER_SERVICE={{ openshift.docker.service_name }}.service"