Deploy healthcheck as app instead of filter

Change-Id: I4d3c26001f3adf271bdddc225762388c7946dcdc
Signed-off-by: Dmitriy Chubinidze <dcu995@gmail.com>

templates/api-paste.ini.j2

@@ -1,14 +1,29 @@
 # {{ ansible_managed }}
 
-[pipeline:cloudkitty+noauth]
-pipeline = cors healthcheck http_proxy_to_wsgi request_id ck_api
+[pipeline:cloudkitty_noauth]
+pipeline = cors http_proxy_to_wsgi request_id ck_api
 
-[pipeline:cloudkitty+keystone]
-pipeline = cors healthcheck http_proxy_to_wsgi request_id authtoken ck_api
+[pipeline:cloudkitty_keystone]
+pipeline = cors http_proxy_to_wsgi request_id authtoken ck_api
+
+[composite:cloudkitty+noauth]
+use = egg:Paste#urlmap
+/ = cloudkitty_noauth
+/healthcheck = healthcheck
+
+[composite:cloudkitty+keystone]
+use = egg:Paste#urlmap
+/ = cloudkitty_keystone
+/healthcheck = healthcheck
 
 [app:ck_api]
 paste.app_factory = cloudkitty.api.app:app_factory
 
+[app:healthcheck]
+paste.app_factory = oslo_middleware:Healthcheck.app_factory
+backends = disable_by_file
+disable_by_file_path = /etc/cloudkitty/healthcheck_disable
+
 [filter:authtoken]
 acl_public_routes = /, /v1, /v2, /healthcheck
 paste.filter_factory = cloudkitty.api.middleware:AuthTokenMiddleware.factory
@@ -17,14 +32,9 @@ paste.filter_factory = cloudkitty.api.middleware:AuthTokenMiddleware.factory
 paste.filter_factory = oslo_middleware:RequestId.factory
 
 [filter:cors]
-paste.filter_factory =  oslo_middleware.cors:filter_factory
+paste.filter_factory = oslo_middleware.cors:filter_factory
 oslo_config_project = cloudkitty
 
-[filter:healthcheck]
-paste.filter_factory = oslo_middleware:Healthcheck.factory
-backends = disable_by_file
-disable_by_file_path = /etc/cloudkitty/healthcheck_disable
-
 [filter:http_proxy_to_wsgi]
 paste.filter_factory = oslo_middleware.http_proxy_to_wsgi:HTTPProxyToWSGI.factory
 oslo_config_project = cloudkitty