Ensure that cinder db_sync is run before other services are up

Backported from upstream module: I7005b0ceb36786ccec99b8950c4e4bea9c065ea3

Related-Bug: 1411635
Change-Id: Ifc875d0d6c937caf59c60e63cd25a6c85a7eede0

deployment/puppet/cinder/manifests/api.pp

@@ -110,7 +110,6 @@ class cinder::api (
   }
 
   if $enabled {
-
     Cinder_config<||> ~> Exec['cinder-manage db_sync']
 
     exec { 'cinder-manage db_sync':
@@ -120,6 +119,7 @@ class cinder::api (
       refreshonly => true,
       logoutput   => 'on_failure',
       require     => Package['cinder'],
+      before      => Service['cinder-api'],
     }
     if $manage_service {
       $ensure = 'running'

deployment/puppet/cinder/manifests/backup.pp

@@ -50,6 +50,7 @@ class cinder::backup (
   include cinder::params
 
   Cinder_config<||> ~> Service['cinder-backup']
+  Exec<| title == 'cinder-manage db_sync' |> ~> Service['cinder-backup']
 
   if $::cinder::params::backup_package {
     Package['cinder-backup'] -> Cinder_config<||>