Improve group vars vault usage for zabbix_server

Signed-off-by: Florian Pritz <bluewind@xinu.at>

group_vars/all/vault_zabbix_server.yml

 $ANSIBLE_VAULT;1.1;AES256
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roles/zabbix-server/tasks/main.yml

@@ -20,7 +20,7 @@
   file: path=/var/log/nginx/{{ zabbix_domain }} state=directory owner=root group=root mode=0755
 
 - name: create zabbix db user
-  postgresql_user: name={{ zabbix_db_user }} password={{ zabbix_db_password }} encrypted=true
+  postgresql_user: name={{ zabbix_db_user }} password={{ vault_zabbix_db_password }} encrypted=true
   become: yes
   become_user: postgres
   become_method: su

roles/zabbix-server/templates/pgpass.j2

 # hostname:port:database:username:password
-localhost:*:{{zabbix_db_name}}:{{zabbix_db_user}}:{{zabbix_db_password}}
+localhost:*:{{zabbix_db_name}}:{{zabbix_db_user}}:{{vault_zabbix_db_password}}

roles/zabbix-server/templates/zabbix.conf.php.j2

@@ -7,7 +7,7 @@ $DB['SERVER']   = 'localhost';
 $DB['PORT']     = '0';
 $DB['DATABASE'] = '{{zabbix_db_name}}';
 $DB['USER']     = '{{zabbix_db_user}}';
-$DB['PASSWORD'] = '{{zabbix_db_password}}';
+$DB['PASSWORD'] = '{{vault_zabbix_db_password}}';
 
 // Schema name. Used for IBM DB2 and PostgreSQL.
 $DB['SCHEMA'] = '';

roles/zabbix-server/templates/zabbix_server.conf

 LogType=system
 DBName={{zabbix_db_name}}
 DBUser={{zabbix_db_user}}
-DBPassword={{zabbix_db_password}}
+DBPassword={{vault_zabbix_db_password}}
 Timeout=4
 LogSlowQueries=3000
 StartPollers=30