diff --git a/nginx/server/proxy/openstack_api.yml b/nginx/server/proxy/openstack_api.yml
index 26a25da..f9f363d 100644
--- a/nginx/server/proxy/openstack_api.yml
+++ b/nginx/server/proxy/openstack_api.yml
@@ -1,160 +1,11 @@
-parameters:
-  _param:
-    nginx_proxy_openstack_api_host: ${_param:cluster_public_host}
-    nginx_proxy_openstack_api_address: 0.0.0.0
-    nginx_proxy_openstack_keystone_host: ${_param:keystone_service_host}
-    nginx_proxy_openstack_nova_host: ${_param:nova_service_host}
-    nginx_proxy_openstack_cinder_host: ${_param:cinder_service_host}
-    nginx_proxy_openstack_glance_host: ${_param:glance_service_host}
-    nginx_proxy_openstack_neutron_host: ${_param:neutron_service_host}
-    nginx_proxy_openstack_heat_host: ${_param:heat_service_host}
-    nginx_proxy_openstack_keystone_protocol: 'http'
-    nginx_proxy_openstack_nova_protocol: 'http'
-    nginx_proxy_openstack_cinder_protocol: 'http'
-    nginx_proxy_openstack_glance_protocol: 'http'
-    nginx_proxy_openstack_neutron_protocol: 'http'
-    nginx_proxy_openstack_heat_protocol: 'http'
-  nginx:
-    server:
-      enabled: true
-      site:
-        nginx_proxy_openstack_api_keystone:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_keystone
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_keystone_host}
-            port: 5000
-            protocol: ${_param:nginx_proxy_openstack_keystone_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 5000
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_keystone_private:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_keystone_private
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_keystone_host}
-            port: 35357
-            protocol: ${_param:nginx_proxy_openstack_keystone_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 35357
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_nova:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_nova
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_nova_host}
-            port: 8774
-            protocol: ${_param:nginx_proxy_openstack_nova_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8774
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_cinder:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_cinder
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_cinder_host}
-            port: 8776
-            protocol: ${_param:nginx_proxy_openstack_cinder_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8776
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_glance:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_glance
-          check: false
-          underscores_in_headers: true
-          proxy:
-            host: ${_param:nginx_proxy_openstack_glance_host}
-            port: 9292
-            protocol: ${_param:nginx_proxy_openstack_glance_protocol}
-            size: 30000m
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 9292
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_neutron:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_neutron
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_neutron_host}
-            port: 9696
-            protocol: ${_param:nginx_proxy_openstack_neutron_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 9696
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_heat_cloudwatch:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_heat_cloudwatch
-          proxy:
-            host: ${_param:nginx_proxy_openstack_heat_host}
-            port: 8003
-            protocol: ${_param:nginx_proxy_openstack_heat_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8003
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_heat_cfn:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_heat_cfn
-          proxy:
-            host: ${_param:nginx_proxy_openstack_heat_host}
-            port: 8000
-            protocol: ${_param:nginx_proxy_openstack_heat_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8000
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_heat:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_heat
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_heat_host}
-            port: 8004
-            protocol: ${_param:nginx_proxy_openstack_heat_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8004
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
-        nginx_proxy_openstack_api_nova_ec2:
-          enabled: true
-          type: nginx_proxy
-          name: openstack_api_nova_ec2
-          check: false
-          proxy:
-            host: ${_param:nginx_proxy_openstack_nova_host}
-            port: 8773
-            protocol: ${_param:nginx_proxy_openstack_nova_protocol}
-          host:
-            name: ${_param:nginx_proxy_openstack_api_host}
-            port: 8773
-            address: ${_param:nginx_proxy_openstack_api_address}
-          ssl: ${_param:nginx_proxy_ssl}
+classes:
+- system.nginx.server.proxy.openstack.cinder
+- system.nginx.server.proxy.openstack.glance
+- system.nginx.server.proxy.openstack.heat
+- system.nginx.server.proxy.openstack.heat_cfn
+- system.nginx.server.proxy.openstack.heat_cloudwatch
+- system.nginx.server.proxy.openstack.keystone
+- system.nginx.server.proxy.openstack.keystone_private
+- system.nginx.server.proxy.openstack.neutron
+- system.nginx.server.proxy.openstack.nova
+- system.nginx.server.proxy.openstack.nova_ec2