Implement consistent restart handlers

Retries and daemon reloads are added to all the handlers
and the ordering of each task is set out according to
the same pattern as they keystone role.

Change-Id: Icc250e811fb89024f3f3c2f9520d1a6c9c21f0d3

handlers/main.yml

@@ -16,35 +16,66 @@
 - name: reload nginx
   service:
     name: "nginx"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
 
 - name: reload rsyncd
   service:
     name: "{{ rsyncd_service_name }}"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
 
 - name: reload acng
   service:
     name: "apt-cacher-ng"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
 
 - name: reload lsyncd
   service:
     name: "lsyncd"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
 
 - name: reload git-daemon
   service:
     name: "git-daemon"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
 
 - name: reload git socket
   service:
     name: "git.socket"
-    state: restarted
     enabled: yes
+    state: restarted
+    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
+  register: _restart
+  until: _restart | success
+  retries: 5
+  delay: 2
+