Notify not only aodh-api service but also apache

Not only the aodh-api service is notified but also the apache service if
the API is run using apache. This ensures apache is restarted on config
changes.

Change-Id: I3967584431c547c2431c9b614de9db6416169567

manifests/api.pp

@@ -112,7 +112,9 @@ class aodh::api (
     }
 
     # we need to make sure aodh-api/eventlet is stopped before trying to start apache
-    Service['aodh-api'] -> Service[$service_name]
+    Service['aodh-api'] -> Service[$::apache::params::service_name]
+    # the apache service is untagged so add it to the service section manually
+    Anchor['aodh::service::begin'] ~> Service[$::apache::params::service_name]
   } else {
     fail("Invalid service_name. Either aodh/openstack-aodh-api for running \
 as a standalone service, or httpd for being run by a httpd server")

releasenotes/notes/restart-apache-4c85888a2bafbaa8.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - Deal with API being run using Apache when restarting the API (e.g. due to
+    configuration changes)