Add service catalog lookup for metadata repository

Change-Id: I44ba8d88c10f21de5afa28803bfc3dc0db8f9923

etc/conductor.conf

@@ -18,6 +18,7 @@ agent_config_dir = /etc/murano/agent-config
 data_dir = test_data
 
 # Provide url to Murano Metadata repository
+# Comment this line if you registered murano-metadata in keystone catalog
 murano_metadata_url = http://localhost:8084
 
 # Maximum number of environments that can be processed simultaneously

muranoconductor/app.py

@@ -90,7 +90,8 @@ class ConductorWorkflowService(service.Service):
                 reporter = reporting.Reporter(mq, message_id, task['id'])
 
                 metadata_version = metadata.get_metadata(task['id'],
-                                                         task['token'])
+                                                         task['token'],
+                                                         task['tenant_id'])
                 command_dispatcher = CommandDispatcher('e' + task['id'], mq,
                                                        task['token'],
                                                        task['tenant_id'],

muranoconductor/metadata.py

@@ -22,6 +22,7 @@ from metadataclient.common.exceptions import CommunicationError
 from muranoconductor import config
 from metadataclient.v1.client import Client
 import os
+from keystoneclient.v2_0 import client as ksclient
 from openstack.common import log as logging
 
 CHUNK_SIZE = 1 << 20  # 1MB
@@ -52,25 +53,34 @@ def _unpack_data_archive(task_id, hash):
     return dst_dir
 
 
-def get_endpoint():
+def get_endpoint(token_id, tenant_id):
     endpoint = CONF.murano_metadata_url
-
     if not endpoint:
-        #TODO: add keystone catalog lookup
-        pass
+        keystone_settings = CONF.keystone
+
+        client = ksclient.Client(auth_url=keystone_settings.auth_url,
+                                 token=token_id)
+
+        client.authenticate(
+            auth_url=keystone_settings.auth_url,
+            tenant_id=tenant_id,
+            token=token_id)
+
+        endpoint = client.service_catalog.url_for(
+            service_type='murano-metadata')
     return endpoint
 
 
-def metadataclient(token_id):
-    endpoint = get_endpoint()
+def metadataclient(token_id, tenant_id):
+    endpoint = get_endpoint(token_id, tenant_id)
     return Client(endpoint=endpoint, token=token_id)
 
 
-def get_metadata(task_id, token_id):
+def get_metadata(task_id, token_id, tenant_id):
     hash = _check_existing_hash()
     try:
         log.debug('Retrieving metadata from Murano Metadata Repository')
-        resp, body_iter = metadataclient(token_id).\
+        resp, body_iter = metadataclient(token_id, tenant_id).\
             metadata_client.get_conductor_data(hash)
     except CommunicationError as e:
         if hash:

requirements.txt

@@ -14,5 +14,5 @@ deep
 # Please, revert to murano-common>=x.x.x before release
 http://tarballs.openstack.org/murano-common/murano-common-master.tar.gz#egg=murano-common-0.4
 PyYAML>=3.1.0
-murano-metadataclient==0.4.a13.gd65dfd2
+murano-metadataclient==0.4.dev28.g6d64a2b
 python-neutronclient>=2.3.1