Create default deployment plan

Currently no default plan is created during a container-based undercloud
deployment.

This patch creates a default deployment plan if both of two conditions
apply:
- The /usr/share/openstack-tripleo-heat-templates directory exists
  (We need the templates to create the plan)
- There is no container named `overcloud` in swift yet
  (If a deployment is run more than once we don't want to recreate
  the default plan)

Closes-Bug: #1798590

Change-Id: Id03631432b1fedd75ee3ddba67bfe7d5d6049a07

extraconfig/post_deploy/undercloud_post.sh

@@ -6,6 +6,7 @@ ln -sf /etc/puppet/hiera.yaml /etc/hiera.yaml
 HOMEDIR="$homedir"
 USERNAME=`ls -ld $HOMEDIR | awk {'print $3'}`
 GROUPNAME=`ls -ld $HOMEDIR | awk {'print $4'}`
+THT_DIR="/usr/share/openstack-tripleo-heat-templates"
 
 # WRITE OUT STACKRC
 touch $HOMEDIR/stackrc
@@ -138,6 +139,13 @@ if [ "$(hiera mistral_api_enabled)" = "true" ]; then
       openstack workflow env create $TMP_MISTRAL_ENV
   fi
 
+  # Create the default deployment plan from /usr/share/openstack-tripleo-heat-templates
+  # but only if there is no overcloud container in swift yet.
+  if [ -d "$THT_DIR" ] && ! openstack container list -c Name -f value | grep -qe "^overcloud$"; then
+      echo Create default deployment plan
+      openstack workflow execution create tripleo.plan_management.v1.create_deployment_plan '{"container": "overcloud", "use_default_templates": true}'
+  fi
+
   if [ "$(hiera tripleo_validations_enabled)" = "true" ]; then
       echo Execute copy_ssh_key validations
       openstack workflow execution create tripleo.validations.v1.copy_ssh_key