Fix dependencies for ceilometer-upgrade

If ceilometer and gnocchi are running on the same host under apache,
ceilometer-upgrade may fail because of apache restart in the same time,
so this patch move ceilometer-upgrade command to be executed before
apache restart.

Change-Id: Ie2d71778e46859a14c2e63cd1a78fca3c47cecc6
Related-Prod: https://mirantis.jira.com/browse/PROD-18473
diff --git a/ceilometer/server.sls b/ceilometer/server.sls
index 8c5a683..3001d05 100644
--- a/ceilometer/server.sls
+++ b/ceilometer/server.sls
@@ -229,6 +229,14 @@
     - file: /etc/ceilometer/event_pipeline.yaml
     - file: /etc/ceilometer/gabbi_pipeline.yaml
     - file: /etc/ceilometer/pipeline.yaml
+  # ceilometer-upgrade requires operational Gnocchi service API,
+  # which can be run on the same node as Ceilometer under apache,
+  # the command is executed only when Gnocchi is enabled.
+  {%- set gnocchi_publisher = server.get('publisher', {}).get('gnocchi', {}) %}
+  {%- if gnocchi_publisher.get('create_resources', False) and gnocchi_publisher.get('enabled', False) %}
+  - require:
+    - ceilometer_upgrade
+  {%- endif %}
 
 {%- endif %}