Update neutron service handler to restart only enabled services

UpgradeImpact:
The neutron_service_names variable has been removed from
playbooks/roles/os_neutron/defaults/main.yml

Closes-Bug: #1516655
Change-Id: Id7265ff687f672256b8014d177e21337eb172230
Signed-off-by: Javeria Khan <javeriak@plumgrid.com>

defaults/main.yml

@@ -334,9 +334,6 @@ neutron_pip_packages:
 neutron_plumgrid_pip_packages:
   - networking-plumgrid
 
-## Service Names
-neutron_service_names: "{{ neutron_services.items()|selectattr('1.service_en')|map(attribute='0')|list }}"
-
 ## Tunable overrides
 neutron_neutron_conf_overrides: {}
 neutron_ml2_conf_ini_overrides: {}

handlers/main.yml

@@ -15,8 +15,9 @@
 
 - name: Restart neutron services
   service:
-    name: "{{ item }}"
+    name: "{{ item.value.service_name }}"
     state: restarted
-    pattern: "{{ item }}"
-  with_items: neutron_service_names
+    pattern: "{{ item.value.service_name }}"
+  with_dict: neutron_services
   failed_when: false
+  when: item.value.service_en | bool