Skip cdn repo for deployment with custom repo's only

For some deployment we need to use just custom repo's provided.
For such cases we need to also skip adding cdn extra repos when
system is registered with cdn.

To do that the --repos-skip-release option is now can be used.

RHOSINFRA-1842

Change-Id: I8ebd38dc5db7d17bdf610d60a19e88f8f4afd1ac

infrared/common/roles/cdn_registery/defaults/main.yml

@@ -3,6 +3,9 @@ subscriptions:
         - rhel-7-server-rpms
         - rhel-7-server-extras-rpms
         - rhel-7-server-rh-common-rpms
+    13:
+        - rhel-ha-for-rhel-7-server-rpms
+        - rhel-7-server-openstack-beta-rpms
     12:
         - rhel-ha-for-rhel-7-server-rpms
         - rhel-7-server-openstack-12-rpms
@@ -21,3 +24,4 @@ subscriptions:
     7:
         - rhel-7-server-openstack-7.0-rpms
         - rhel-7-server-openstack-7.0-director-rpms
+cdn_skip_openstack_repos: "{{ skip_release|default(false) }}"

infrared/common/roles/cdn_registery/tasks/main.yml

@@ -9,7 +9,7 @@
 
 - name: register to openstack repos
   vars:
-      repo_list: "{{ subscriptions.common + subscriptions[install_version|openstack_release] }}"
+      repo_list: "{{ subscriptions.common + (subscriptions[install_version|openstack_release] if not cdn_skip_openstack_repos else []) }}"
       modified_list: "{{ repo_list | map('regex_replace', '(.*)', '--enable=\\1') | join(' ') }}"
   command: "subscription-manager repos {{ modified_list }}"
 

plugins/tripleo-undercloud/plugin.spec

@@ -203,7 +203,8 @@ subparsers:
                       type: Bool
                       help: |
                           specifies whether the rhos/rdo-release tools should
-                          be used to install tripleo packages.
+                          be used to install tripleo packages. This flag also disables installation of the extra cdn
+                          repositories.
                   skip-remove-repo:
                       type: Value
                       action: append