Remove notifiers from loadbalancer config

No handlers should be triggered during config. Container
will be restarted automatically when check-containers
is ran for the loadbalancer containers if config
has changed.

Change-Id: I05b587364ad174d8944c95e54e6e6853d34ec83c
Signed-off-by: Roman Krček <roman.krcek@tietoevry.com>

ansible/roles/haproxy-config/tasks/main.yml

@@ -19,8 +19,6 @@
     - service.haproxy is defined
     - enable_haproxy | bool
   with_dict: "{{ project_services }}"
-  notify:
-    - Restart haproxy container
 
 - name: "Add configuration for {{ project_name }} when using single external frontend"
   vars:
@@ -49,8 +47,6 @@
     - service.enabled | bool
     - service.haproxy is defined
     - enable_haproxy | bool
-  notify:
-    - Restart haproxy container
 
 - name: "Configuring firewall for {{ project_name }}"
   firewalld:

ansible/roles/proxysql-config/tasks/main.yml

@@ -7,8 +7,6 @@
   become: true
   when:
     - proxysql_config_users | bool
-  notify:
-    - Restart proxysql container
 
 - name: "Copying over {{ proxysql_project }} ProxySQL rules config"
   template:
@@ -18,5 +16,3 @@
   become: true
   when:
     - proxysql_config_rules | bool
-  notify:
-    - Restart proxysql container

ansible/site.yml

@@ -315,6 +315,12 @@
             tasks_from: loadbalancer
           tags: zun
           when: enable_zun | bool
+        # NOTE(r-krcek): This last step will notify handlers if any
+        # changes to the configuration have been made.
+        - include_role:
+            name: loadbalancer
+            tasks_from: check-containers
+          when: kolla_action != 'config'
       when:
         - enable_haproxy | bool
         - kolla_action in ['deploy', 'reconfigure', 'upgrade', 'config']