fix nginx ceilometer proxy host
diff --git a/nginx/server/proxy/openstack/ceilometer.yml b/nginx/server/proxy/openstack/ceilometer.yml
index 664c69e..e513513 100644
--- a/nginx/server/proxy/openstack/ceilometer.yml
+++ b/nginx/server/proxy/openstack/ceilometer.yml
@@ -11,7 +11,7 @@
           name: openstack_api_keystone
           check: false
           proxy:
-            host: ${_param:keystone_service_host}
+            host: ${_param:ceilometer_service_host}
             port: 8777
             protocol: http
           host: