Revert "Revert "Fixes for deploying nova-less undercloud""

This reverts commit b5dec5b676 and
doesn't use exit_codes to add allowed exit code 5, which is what broke
the standalone CI job.

Change-Id: Ifff517161fa54ce5550516833bfc568e1f297069

deployment/placement/placement-api-container-puppet.yaml

@@ -209,7 +209,6 @@ outputs:
                 -
                   - /var/lib/config-data/placement/etc/my.cnf.d/tripleo.cnf:/etc/my.cnf.d/tripleo.cnf:ro
                   - /var/lib/config-data/placement/etc/placement/:/etc/placement/:ro
-                  - /var/lib/config-data/nova/etc/nova/:/etc/nova/:ro
             environment:
               - PLACEMENT_USER=placement
               - NOVA_API_USER=nova_api
@@ -229,8 +228,9 @@ outputs:
                   - '='
                   -  - 'NOVA_API_PASS'
                      - {get_param: NovaPassword}
-            # NOTE(lyarwood): We can swallow return codes of 0, 3 and 4 as they
-            # suggest this is a fresh deployment with no data to extract. The
+            # NOTE(lyarwood): We can swallow return codes of 0, 3, 4, 5 as they
+            # suggest this is a fresh deployment with no data to extract
+            # (or that placemant is being deployed without nova). The
             # current list of return codes provided by the migrate script is:
             # 0: Success
             # 1: Usage error
@@ -239,7 +239,7 @@ outputs:
             # 4: No data to migrate from nova (new deployment)
             # 5: Unable to connect to one or both databases
             # 6: Unable to execute placement's CLI commands
-            command: "/usr/bin/bootstrap_host_exec placement su placement -s /bin/bash -c 'cd /tmp && /usr/share/placement/mysql-migrate-db.sh --migrate -; ret=$?; if [ $ret -ne 0 ] && [ $ret -ne 3 ] && [ $ret -ne 4 ]; then exit $ret; else exit 0; fi'"
+            command: "/usr/bin/bootstrap_host_exec placement su placement -s /bin/bash -c 'cd /tmp && /usr/share/placement/mysql-migrate-db.sh --migrate -; ret=$?; if [ $ret -ne 0 ] && [ $ret -ne 3 ] && [ $ret -ne 4 ] && [ $ret -ne 5 ]; then exit $ret; else exit 0; fi'"
           placement_api_db_sync:
             start_order: 1
             image: *placement_api_image

environments/undercloud-disable-nova.yaml

@@ -1,10 +1,13 @@
-# This heat environment can be used to disable the nova services used on the
-# undercloud. It is used for underclouds which only use deployed-server
+# This heat environment can be used to disable the nova/glance services used on
+# the undercloud. It is used for underclouds which only use deployed-server
 # (optionally using ironic provisioned nodes).
 
+parameter_defaults:
+  MistralExecutorVolumes: []
 resource_registry:
   OS::TripleO::Services::NovaApi: OS::Heat::None
   OS::TripleO::Services::NovaConductor: OS::Heat::None
   OS::TripleO::Services::NovaIronic: OS::Heat::None
   OS::TripleO::Services::NovaMetadata: OS::Heat::None
-  OS::TripleO::Services::NovaScheduler: OS::Heat::None
+  OS::TripleO::Services::NovaScheduler: OS::Heat::None
+  OS::TripleO::Services::GlanceApi: OS::Heat::None