Utilize tripleo-operator for OvercloudImage upload

Change shell script for upload overcloud images by operator.
Leave it as is for releases before train.

Change-Id: I75a58a5018cfad58060e90a5822f60e7de24d5be

roles/overcloud-prep-images/tasks/overcloud-prep-images.yml

@@ -7,13 +7,34 @@
   changed_when: true
   when: download_overcloud_image|bool
 
-- name: Upload overcloud images
-  shell: >
-    set -o pipefail &&
-    {{ working_dir }}/overcloud-image-upload.sh 2>&1 {{ timestamper_cmd }} >
-    {{ overcloud_image_upload_log }}
-  changed_when: true
+- name: Upload Overcloud Images
   when: step_overcloud_image|bool
+  block:
+    - name: Run overcloud image upload - legacy
+      when:
+        - release in ['queens', 'stein']
+      shell: >
+        set -o pipefail &&
+        {{ working_dir }}/overcloud-image-upload.sh 2>&1 {{ timestamper_cmd }} >
+        {{ overcloud_image_upload_log }}
+      changed_when: true
+
+    - name: Run overcloud image upload via tripleo-operator-ansible
+      when:
+        - release not in ['queens', 'stein']
+      collections:
+        - tripleo.operator
+      include_role:
+        name: tripleo_overcloud_image_upload
+      vars:
+        tripleo_os_cloud: undercloud
+        tripleo_overcloud_image_upload_debug: true
+        tripleo_overcloud_image_upload_generate_scripts: true
+        tripleo_overcloud_image_upload_http_boot: "{{ containerized_undercloud | default(false) | ternary('/var/lib/ironic/httpboot', None) }}"
+        tripleo_overcloud_image_upload_whole_disk: "{{ whole_disk_images|default(false) }}"
+        tripleo_overcloud_image_upload_local: "{{ undercloud_enable_nova|default(false) }}"
+        tripleo_overcloud_image_upload_log: "{{ overcloud_image_upload_log }}"
+        tripleo_overcloud_image_upload_log_combine: true
 
 - name: Upload overcloud images with Glance for multinode
   shell: >