Remove hardcode from mysql logs paths

Change-Id: I3fb3e04f6f424b5a96d8100b02f8310b6569b274

service/files/defaults.yaml

@@ -2,3 +2,4 @@ configs:
     db_max_timeout: 60
     db_root_password: password
     mariadb_port: 3306
+    mariadb_log_base: /var/log/ccp/mysql

service/files/my.cnf.j2

@@ -3,7 +3,7 @@ bind-address = {{ network_topology["private"]["address"] }}
 port = {{ mariadb_port }}
 
 datadir=/var/lib/mysql/
-log-error=/var/log/ccp/mysql/mysql.log
+log-error={{ mariadb_log_base }}/mysql.log
 max_connections=10000
 
 log-bin=mariadb-bin

service/mariadb.yaml

@@ -10,12 +10,12 @@ service:
         liveness: "true"
       volumes:
       - name: mysql-logs
-        path: /var/log/ccp/mysql
+        path: "{{ mariadb_log_base }}"
         type: host
         readOnly: False
       pre:
         - name: chown-logs-dir
-          command: sudo /bin/chown mysql:mysql /var/log/ccp/mysql
+          command: "sudo /bin/chown mysql:mysql {{ mariadb_log_base }}"
         - name: mariadb-bootstrap
           command: /opt/ccp/bin/mariadb-bootstrap.sh
       daemon: