Inject gating repo in overcloud and IPA images

Use install-built-repo role to enject gating repo in the
overcloud and IPA images once the image is built.

Change-Id: I1b9dc627fa71e80dc3bf79ddd353ace1d15e7673
Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>

roles/build-images/tasks/main.yml

@@ -26,11 +26,6 @@
     path: "{{ images_working_dir }}/web-gating.repo"
   register: new_repo
 
-- name: Append new repo to overcloud_repo_path
-  set_fact:
-    overcloud_repo_paths: "{{ overcloud_repo_paths + [(images_working_dir + '/web-gating.repo')] }}"
-  when: new_repo.stat.exists
-
 - name: Run the image build script (direct) using oooci-build-images role
   vars:
     dib_yum_repo_conf: "{{ overcloud_repo_paths }}"
@@ -44,6 +39,22 @@
     - not build_image_isolated|bool
     - to_build|bool
 
+- when: new_repo.stat.exists
+  block:
+    - name: Enject repo in overcloud image
+      include_role:
+        name: install-built-repo
+      vars:
+        ib_repo_image_path: "{{ images_working_dir }}/overcloud-full.qcow2"
+
+    - name: Enject repo in IPA image
+      include_role:
+        name: install-built-repo
+      vars:
+        ib_repo_image_path: "{{ images_working_dir }}/ironic-python-agent.initramfs"
+        initramfs_image: true
+        libguestfs_mode: false
+
 - when: build_image_isolated|bool
   block:
     - name: Make sure /dev/pts exists