Create a sync_db boolean for Heat.

Other components offer the option to decide whether or not to run the
db sync command. Heat was missing this feature. This commit add this
feature for Heat.

Change-Id: I06b669123fe08e02c66ee34dab78a943ff5de90c

manifests/api.pp

@@ -95,7 +95,7 @@ class heat::api (
     hasrestart => true,
     require    => [Package['heat-common'],
                   Package['heat-api']],
-    subscribe  => Exec['heat-dbsync'],
+    subscribe  => $::heat::subscribe_sync_db,
   }
 
   heat_config {

manifests/api_cfn.pp

@@ -98,7 +98,7 @@ class heat::api_cfn (
     enable     => $enabled,
     hasstatus  => true,
     hasrestart => true,
-    subscribe  => Exec['heat-dbsync'],
+    subscribe  => $::heat::subscribe_sync_db,
   }
 
   heat_config {

manifests/api_cloudwatch.pp

@@ -98,7 +98,7 @@ class heat::api_cloudwatch (
     enable     => $enabled,
     hasstatus  => true,
     hasrestart => true,
-    subscribe  => Exec['heat-dbsync'],
+    subscribe  => $::heat::subscribe_sync_db,
   }
 
   heat_config {

manifests/engine.pp

@@ -67,6 +67,7 @@ class heat::engine (
   $configure_delegated_roles     = true,                  #DEPRECATED
 ) {
 
+  include ::heat
   include ::heat::params
 
   Heat_config<||> ~> Service['heat-engine']
@@ -77,7 +78,7 @@ class heat::engine (
     ensure => installed,
     name   => $::heat::params::engine_package_name,
     tag    => 'openstack',
-    notify => Exec['heat-dbsync'],
+    notify => $::heat::subscribe_sync_db,
   }
 
   if $manage_service {
@@ -104,7 +105,7 @@ class heat::engine (
     require    => [ File['/etc/heat/heat.conf'],
                     Package['heat-common'],
                     Package['heat-engine']],
-    subscribe  => Exec['heat-dbsync'],
+    subscribe  => $::heat::subscribe_sync_db,
   }
 
   heat_config {

manifests/init.pp

@@ -164,6 +164,10 @@
 #   (Optional) Enable the stack-abandon feature.
 #   Defaults to undef
 #
+# [*sync_db*]
+#   (Optional) Run db sync on nodes after connection setting has been set.
+#   Defaults to true
+#
 # === Deprecated Parameters
 #
 # [*mysql_module*]
@@ -229,6 +233,7 @@ class heat(
   $region_name                 = undef,
   $enable_stack_adopt          = undef,
   $enable_stack_abandon        = undef,
+  $sync_db                     = true,
   # Deprecated parameters
   $mysql_module                = undef,
   $sql_connection              = undef,
@@ -506,14 +511,17 @@ class heat(
         value => $database_idle_timeout;
     }
 
-    Heat_config['database/connection'] ~> Exec['heat-dbsync']
+    if $sync_db {
+      $subscribe_sync_db = Exec['heat-dbsync']
+      Heat_config['database/connection'] ~> Exec['heat-dbsync']
 
-    exec { 'heat-dbsync':
-      command     => $::heat::params::dbsync_command,
-      path        => '/usr/bin',
-      user        => 'heat',
-      refreshonly => true,
-      logoutput   => on_failure,
+      exec { 'heat-dbsync':
+        command     => $::heat::params::dbsync_command,
+        path        => '/usr/bin',
+        user        => 'heat',
+        refreshonly => true,
+        logoutput   => on_failure,
+      }
     }
   }
 

spec/classes/heat_api_cfn_spec.rb

@@ -100,6 +100,17 @@ describe 'heat::api_cfn' do
         is_expected.to contain_service('heat-api-cfn').that_subscribes_to('Exec[heat-dbsync]')
       end
     end
+
+    context 'with $sync_db set to false in ::heat' do
+      let :pre_condition do
+        "class {'heat': sync_db => false}"
+      end
+
+      it 'configures heat-api-cfn service to not subscribe to the dbsync resource' do
+        is_expected.to contain_service('heat-api-cfn').that_subscribes_to(nil)
+      end
+    end
+
   end
 
 

spec/classes/heat_api_cloudwatch_spec.rb

@@ -100,6 +100,17 @@ describe 'heat::api_cloudwatch' do
         is_expected.to contain_service('heat-api-cloudwatch').that_subscribes_to('Exec[heat-dbsync]')
       end
     end
+
+    context 'with $sync_db set to false in ::heat' do
+      let :pre_condition do
+        "class {'heat': sync_db => false}"
+      end
+
+      it 'configures heat-api-cloudwatch service to not subscribe to the dbsync resource' do
+        is_expected.to contain_service('heat-api-cloudwatch').that_subscribes_to(nil)
+      end
+    end
+
   end
 
   context 'on Debian platforms' do

spec/classes/heat_api_spec.rb

@@ -103,6 +103,16 @@ describe 'heat::api' do
         is_expected.to contain_service('heat-api').that_subscribes_to('Exec[heat-dbsync]')
       end
     end
+
+    context 'with $sync_db set to false in ::heat' do
+      let :pre_condition do
+        "class {'heat': sync_db => false}"
+      end
+
+      it 'configures heat-api service to not subscribe to the dbsync resource' do
+        is_expected.to contain_service('heat-api').that_subscribes_to(nil)
+      end
+    end
   end
 
   context 'on Debian platforms' do

spec/classes/heat_engine_spec.rb

@@ -99,6 +99,21 @@ describe 'heat::engine' do
         :subscribe  => 'Exec[heat-dbsync]'
       ) }
     end
+    context 'with $sync_db set to false in ::heat' do
+      let :pre_condition do
+        "class {'heat': sync_db => false}"
+      end
+
+      it 'configures heat-engine service to not subscribe to the dbsync resource' do
+        is_expected.to contain_service('heat-engine').that_subscribes_to(nil)
+      end
+
+     it 'configures the heat-engine package to not be notified by the dbsync resource ' do
+        is_expected.to contain_package('heat-engine').with(
+          :notify => nil,
+       )
+     end
+    end
   end
 
   context 'on Debian platforms' do