Do not log passwords

This prevents data to be leaked into the callback plugin.

Change-Id: I6d16cbcf5184d3e8f5b7b7737b5c331c93a1b65c

tasks/galera_setup.yml

@@ -50,6 +50,7 @@
   delay: 10
   delegate_to: "{{ galera_server_bootstrap_node }}"
   run_once: true
+  no_log: True
 
 - name: Run MySQL Upgrade
   command: "/usr/bin/mysql_upgrade"

tests/test-galera-server-functional.yml

@@ -26,6 +26,7 @@
               --silent \
               --skip-column-names
       register: wsrep_incoming_addresses
+      no_log: true
       changed_when: false
       tags:
         - skip_ansible_lint
@@ -36,6 +37,7 @@
               -e "show status like 'wsrep_local_state_comment';" \
               --silent \
               --skip-column-names
+      no_log: true
       register: wsrep_local_state_comment
       changed_when: false
       tags:
@@ -48,6 +50,7 @@
               --silent \
               --skip-column-names
       register: wsrep_evs_state
+      no_log: true
       changed_when: false
       tags:
         - skip_ansible_lint
@@ -67,6 +70,7 @@
         name: "OSA-test"
         state: "present"
       when: ansible_host == '10.1.0.2'
+      no_log: true
     - name: Grant access to the DB on 10.1.0.3
       mysql_user:
         login_user: "{{ galera_root_user }}"
@@ -77,6 +81,7 @@
         host: "{{ item }}"
         state: "present"
         priv: "OSA-test.*:ALL"
+      no_log: true
       with_items:
         - "localhost"
         - "%"