SM-Heat: add heat HA params.

Closes-Bug: #1626447

Fixes as per https://review.opencontrail.org/#/c/19415 for the case of
heat HA.

Change-Id: I6320d0cbd1cca851093fde6593f05848dff632fb

contrail/environment/modules/contrail/manifests/profile/openstack/heat.pp

@@ -29,13 +29,15 @@
       $heat_api_cfn_bind_host = '0.0.0.0'
       $heat_api_cfn_bind_port = '8001'
       $heat_server_ip = $internal_vip
+      $database_idle_timeout = "180"
       $keystone_db_conn = join(["mysql://heat:",$database_credentials,":33306/heat"],'')
   } else {
       $heat_api_bind_host = '0.0.0.0'
       $heat_api_bind_port = '8004'
       $heat_api_cfn_bind_host = '0.0.0.0'
       $heat_api_cfn_bind_port = '8000'
       $heat_server_ip = $host_control_ip
+      $database_idle_timeout = "3600"
       $keystone_db_conn = join(["mysql://heat:",$database_credentials,"/heat"],'')
   }
 
@@ -46,6 +48,7 @@
 
   class { '::heat':
       database_connection => $keystone_db_conn,
+      database_idle_timeout => $database_idle_timeout,
       rabbit_hosts       => $openstack_rabbit_servers,
       rabbit_userid      => $rabbitmq_user,
       rabbit_password    => $rabbitmq_password,
@@ -90,4 +93,21 @@
         config_file => '/etc/heat/heat.conf',
         lens_to_use => 'properties.lns',
   }
+
+  if ($internal_vip != '' and $internal_vip != undef) {
+    heat_config {
+      'database/min_pool_size'        :  value => "100";
+      'database/max_pool_size'        :  value => "350";
+      'database/max_overflow'         :  value => "700";
+      'database/retry_interval'       :  value => "5";
+      'database/max_retries'          :  value => "-1";
+      'database/db_max_retries'       :  value => "3";
+      'database/db_retry_interval'    :  value => "1";
+      'database/connection_debug'     :  value => "10";
+      'database/pool_timeout'         :  value => "120";
+      'DEFAULT/rabbit_retry_interval' :  value => "10";
+      'DEFAULT/rabbit_retry_backoff'  :  value => "5";
+      'DEFAULT/rabbit_max_retries'    :  value => "0";
+    }
+  }
 }