CI - neutron VIP resource prior to heat stack

When 'network_provision' is enabled run the command
to provsion neutron Virtual IP API resources prior
to creating the heat stack, and include the environment
file to override the stack resource's to use the
'deployed_vip' templates.

Related: blueprint network-data-v2-ports
Depends-On: https://review.opendev.org/779634
Depends-On: https://review.opendev.org/775406
Change-Id: Ic2fefa4d6ed980a74feeb57813e980260b8a5b84

roles/overcloud-deploy/tasks/pre-deploy.yml

@@ -76,6 +76,7 @@
       -e {{ overcloud_templates_path }}/environments/network-isolation.yaml
       -e {{ overcloud_templates_path }}/environments/net-multiple-nics.yaml
       -e {{ working_dir }}/overcloud-networks-deployed.yaml
+      -e {{ working_dir }}/overcloud-vips-deployed.yaml
       -e {{ working_dir }}/network-environment.yaml
   when:
     - network_isolation_type in ["multi-nic", "multiple-nics"]
@@ -89,6 +90,7 @@
       -e {{ overcloud_templates_path }}/environments/network-isolation-v6.yaml
       -e {{ overcloud_templates_path }}/environments/net-multiple-nics-v6.yaml
       -e {{ working_dir }}/overcloud-networks-deployed.yaml
+      -e {{ working_dir }}/overcloud-vips-deployed.yaml
       -e {{ working_dir }}/network-environment.yaml
   when:
     - network_isolation_type in ["multi-nic", "multiple-nics"]

roles/overcloud-deploy/templates/overcloud-deploy.sh.j2

@@ -38,10 +38,16 @@ fi
 {% endif %}
 
 {% if network_provision|bool %}
-# NOTE(hjensas): A dummy file, will be replaced in the follow on change
-echo "{}" > {{ working_dir }}/overcloud-vips-deployed.yaml
+openstack overcloud network vip provision \
+  --output {{ working_dir }}/overcloud-vips-deployed.yaml \
+  --stack {{ stack_name }} \
+  {{overcloud_templates_path}}/ci/vip_data.yaml
+if [ $? -ne 0 ]; then
+    exit 1
+fi
 {% endif %}
 
+
 {% if baremetal_provision|bool %}
 ## * Provision the baremetal nodes
 ## ::