Use arguments parameter with service module

In Ansible 2.2, the 'args' alias for the 'arguments' parameter
of the service module is not recognized correctly.

https://github.com/ansible/ansible-modules-core/issues/5584

Change-Id: I75ee2c5239984ceabf99b5b3da5191697d60d9e1

handlers/main.yml

@@ -24,7 +24,7 @@
     state: restarted
     sleep: 2
     pattern: mysql
-    args: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) or (galera_cluster_members | length == 1) | ternary('--wsrep-new-cluster', '') }}"
+    arguments: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) or (galera_cluster_members | length == 1) | ternary('--wsrep-new-cluster', '') }}"
   environment:
     MYSQLD_STARTUP_TIMEOUT: 180
   when:
@@ -51,7 +51,7 @@
     state: restarted
     sleep: 2
     pattern: mysql
-    args: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) or (galera_cluster_members | length == 1) | ternary('--wsrep-new-cluster', '') }}"
+    arguments: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) or (galera_cluster_members | length == 1) | ternary('--wsrep-new-cluster', '') }}"
   environment:
     MYSQLD_STARTUP_TIMEOUT: 180
   register: galera_restart_fall_back

tasks/galera_bootstrap.yml

@@ -22,7 +22,7 @@
   service:
     name: mysql
     state: restarted
-    args: "--wsrep-new-cluster"
+    arguments: "--wsrep-new-cluster"
   when:
     - not using_mysql_init | bool
     - inventory_hostname == galera_server_bootstrap_node