Add 'galera' service deployment on dbs nodes

Change-Id: I966f9e9cf2adc868ada5da0740e3c38c2a60454b
diff --git "a/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database" "b/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database"
index 5bc6aee..3c3c87f 100644
--- "a/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database"
+++ "b/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database"
@@ -7,6 +7,7 @@
           classes:
 #}
           - cluster.${_param:cluster_name}.openstack.database
+          - service.galera.slave.cluster
 {{- set_param('keepalived_vip_interface', 'br_ctl') }}
 {{- register_metaparam('mysql_cluster_role', 'openstack_database') }}
 {{- register_metaparam('keepalived_vip_priority', 'openstack_database') }}
diff --git "a/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database_leader" "b/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database_leader"
index 1f855fe..c8e2112 100644
--- "a/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database_leader"
+++ "b/tcp_tests/environment/environment_template/\173\043 roles \043\175/openstack_database_leader"
@@ -7,4 +7,5 @@
           classes:
 #}
           {%- include ("{# roles #}/" + 'openstack_database') %}
-          - cluster.${_param:cluster_name}.openstack.database_init
\ No newline at end of file
+          - cluster.${_param:cluster_name}.openstack.database_init
+          - service.galera.master.cluster
\ No newline at end of file