Move ocata VCP nodes to preconfigured cloudinit images

VCP nodes require the preconfigured image because of reduced
mirrors that miss some packages.

Change-Id: I2bf119f5338ee50308fdaa1d28d86df318012037
diff --git a/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
index d52da6a..c6037b8 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
@@ -170,6 +170,12 @@
          - name: cfg01_day01_image               # Pre-configured day01 image
            source_image: {{ os_env('IMAGE_PATH_CFG01_DAY01', os_env('IMAGE_PATH1604')) }} # http://images.mirantis.com/cfg01-day01.qcow2 or fallback to IMAGE_PATH1604
            format: qcow2
+         - name: mcp_ubuntu_1604_image           # Pre-configured image for VCP nodes initially based on kvm nodes.
+           # http://images.mirantis.com/ubuntu-16-04-x64-latest.qcow2  (preffered)
+           # or
+           # https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img
+           source_image: {{ os_env('MCP_IMAGE_PATH1604', os_env('IMAGE_PATH1604')) }}
+           format: qcow2
 
         nodes:
           - name: {{ HOSTNAME_CFG01 }}
@@ -222,7 +228,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: cinder
                   capacity: 50
@@ -263,7 +269,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: cinder
                   capacity: 50
@@ -292,7 +298,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: cinder
                   capacity: 50
@@ -321,7 +327,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -347,7 +353,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -373,7 +379,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -399,7 +405,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: cinder
                   capacity: 50
@@ -532,7 +538,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -558,7 +564,7 @@
               volumes:
                 - name: system
                   capacity: !os_env NODE_VOLUME_SIZE, 150
-                  backing_store: cloudimage1604
+                  backing_store: mcp_ubuntu_1604_image
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.