Added initialization steps for keystone

roles/keystone/files/keystone.service

@@ -8,7 +8,9 @@ TimeoutStartSec=0
 Restart=always
 ExecStartPre=-/usr/bin/docker stop %n
 ExecStartPre=-/usr/bin/docker rm %n
-ExecStart=/usr/bin/docker run --name %n --add-host="mariadb:172.29.236.13" -p 5001:5000 -p 35357:35357  hpc/keystone
+ExecStart=/usr/bin/docker run --name %n --add-host="mariadb:172.23.38.125" \
+  -p 5001:5000 -p 35357:35357  hpc/keystone \
+  -v /srv/keystone/fernet-keys:/etc/keystone/fernet-keys
  
 [Install]
 WantedBy=multi-user.target