Add --enable-registry-login support

Depends-On: https://review.opendev.org/#/c/720299/
Change-Id: Ia45b196af54d83bad0d23bc096d2896278942136

roles/tripleo_container_image_prepare_default/README.md

@@ -12,6 +12,7 @@ Role Variables
 --------------
 
 * `tripleo_container_image_prepare_default_debug`: (Boolean) Flag to print out the push command. Default: False
+* `tripleo_container_image_prepare_default_enable_registry_login`: (Boolean) Flag to enable registry login on nodes if credentials are provided. Default: false
 * `tripleo_container_image_prepare_default_home_dir`: (String) Home directory for the undercloud user. Default: "{{ ansible_env.HOME }}"
 * `tripleo_container_image_prepare_default_local_push_destination`: (Boolean) Include a push_Destination to trigger upload to a local registry on the undercloud. Default: false
 * `tripleo_container_image_prepare_default_output_env_file`: (String) File to write environment file containing default ContainerImagePrepare value. When not set, `tripleo_container_image_prepare_default_output` will contain yaml defining ContainerImagePrepare. Default is not set.

roles/tripleo_container_image_prepare_default/defaults/main.yml

@@ -2,6 +2,7 @@
 # defaults file for tripleo_container_image_prepare_default
 openstack_bin: openstack
 tripleo_container_image_prepare_default_debug: false
+tripleo_container_image_prepare_default_enable_registry_login: false
 tripleo_container_image_prepare_default_generate_scripts: "{{ tripleo_generate_scripts | default(False) }}"
 tripleo_container_image_prepare_default_home_dir: "{{ ansible_env.HOME }}"
 tripleo_container_image_prepare_default_local_push_destination: false

roles/tripleo_container_image_prepare_default/molecule/default/converge.yml

@@ -40,3 +40,15 @@
         that:
           - tripleo_container_image_prepare_default_output ==
             "tripleo container image prepare default --local-push-destination"
+
+    - name: Check parameter "tripleo_container_image_prepare_default_enable_registry_login"
+      include_role:
+        name: "tripleo_container_image_prepare_default"
+      vars:
+        tripleo_container_image_prepare_default_enable_registry_login: true
+
+    - name: Assert "tripleo_container_image_prepare_default_output_env_file"
+      assert:
+        that:
+          - tripleo_container_image_prepare_default_output ==
+            "tripleo container image prepare default --enable-registry-login"

roles/tripleo_container_image_prepare_default/tasks/main.yml

@@ -7,6 +7,7 @@
       {{ tripleo_container_image_prepare_default_output_env_file | ternary('--output-env-file '
       ~ tripleo_container_image_prepare_default_output_env_file, '') }}
       {{ tripleo_container_image_prepare_default_local_push_destination | ternary('--local-push-destination', '') }}
+      {{ tripleo_container_image_prepare_default_enable_registry_login | ternary('--enable-registry-login', '') }}
 
 - name: Show the container image prepare default command
   debug: