Merge branch '2777-restart-repmgrd-after-node-register' into 'master'

Resolve "restart repmgrd after node register"

Closes #2777

See merge request !1928

CHANGELOG.md

@@ -9,7 +9,7 @@ omnibus-gitlab repository.
 - Update pgbouncer to use one style of logging 
 - Set bootstrap_expect to default to 3 for consul servers
 - Fix bug where pgb-notify would fail when databases.json was empty
-- Changing pg_hba configuration should only reload PG c99ef6
+- Restart repmgrd after nodes are registered with a cluster
 - Upgrade ruby version to 2.3.5
 - Upgrade libyaml version to 0.1.7
 - Upgrade ruby version to 2.3.5

files/gitlab-ctl-commands-ee/lib/repmgr.rb

@@ -87,6 +87,10 @@ class RepmgrHelper
       rescue Timeout::TimeoutError
         raise TimeoutError("Timed out waiting for PostgreSQL to start")
       end
+
+      def restart_daemon
+        cmd('gitlab-ctl restart repmgrd')
+      end
     end
   end
@@ -106,6 +110,7 @@ class RepmgrHelper
       def register(args)
         repmgr_cmd(args, 'standby register')
+        restart_daemon
       end
       def unregister(args, node = nil)
@@ -149,6 +154,7 @@ class RepmgrHelper
     class << self
       def register(args)
         repmgr_cmd(args, 'master register')
+        restart_daemon
       end
     end
   end