setup default /var/lib/keystone/fernet-keys

Change-Id: Iee6b21bd3a5b09e87fe28471b17f6c0f84ce2ccc
diff --git a/metadata/service/server/container.yml b/metadata/service/server/container.yml
index a949a10..e421dbd 100644
--- a/metadata/service/server/container.yml
+++ b/metadata/service/server/container.yml
@@ -33,7 +33,7 @@
                 tokens:
                   engine: fernet
                   expiration: 43200
-                  location: /etc/keystone/fernet-keys/
+                  location: /var/lib/keystone/fernet-keys/
                 message_queue:
                   engine: rabbitmq
                   host: ${_param:rabbitmq_service_host}
@@ -41,4 +41,4 @@
                   user: openstack
                   password: ${_param:rabbitmq_openstack_password}
                   virtual_host: '/openstack'
-                  ha_queues: true
\ No newline at end of file
+                  ha_queues: true