Handle region_name in openstack actions

User now could define the region for the openstack actions.
It could be done via API in X-Region-Name and X-Target-Region-Name
in case of multi-vim feature is used.

*API change*
X-Region-Name: Header added to execution create
X-Target-Region-Name: Header added to execution create

Change-Id: Icbf63962a481c1282b95359894fa6245e0e97bac
Related-Bug: #1633345

mistral/context.py

@@ -77,6 +77,7 @@ class MistralContext(BaseContext):
         "auth_token",
         "service_catalog",
         "user_name",
+        "region_name",
         "project_name",
         "roles",
         "is_admin",
@@ -113,6 +114,7 @@ def context_from_headers_and_env(headers, env):
     auth_token = params['auth_token']
     auth_uri = params['auth_uri']
     project_id = params['project_id']
+    region_name = params['region_name']
     user_id = params['user_id']
     user_name = params['user_name']
     is_target = params['is_target']
@@ -131,6 +133,7 @@ def context_from_headers_and_env(headers, env):
         is_target=is_target,
         service_catalog=service_catalog,
         user_name=user_name,
+        region_name=region_name,
         project_name=headers.get('X-Project-Name'),
         roles=headers.get('X-Roles', "").split(","),
         is_trust_scoped=False,
@@ -150,6 +153,7 @@ def _extract_auth_params_from_headers(headers):
             'project_id': headers.get('X-Target-Project-Id'),
             'user_id': headers.get('X-Target-User-Id'),
             'user_name': headers.get('X-Target-User-Name'),
+            'region_name': headers.get('X-Target-Region-Name'),
             'is_target': True
         }
         if not params['auth_token']:
@@ -171,6 +175,7 @@ def _extract_auth_params_from_headers(headers):
             'project_id': headers.get('X-Project-Id'),
             'user_id': headers.get('X-User-Id'),
             'user_name': headers.get('X-User-Name'),
+            'region_name': headers.get('X-Region-Name'),
             'is_target': False
         }
 

mistral/utils/openstack/keystone.py

@@ -70,7 +70,7 @@ def client_for_trusts(trust_id):
 
 def get_endpoint_for_project(service_name=None, service_type=None):
     if service_name is None and service_type is None:
-        raise Exception(
+        raise exceptions.MistralException(
             "Either 'service_name' or 'service_type' must be provided."
         )
 
@@ -80,7 +80,8 @@ def get_endpoint_for_project(service_name=None, service_type=None):
 
     service_endpoints = service_catalog.get_endpoints(
         service_name=service_name,
-        service_type=service_type
+        service_type=service_type,
+        region_name=ctx.region_name
     )
 
     endpoint = None
@@ -110,14 +111,12 @@ def get_endpoint_for_project(service_name=None, service_type=None):
                 break
 
     if not endpoint:
-        raise Exception(
-            "No endpoints found [service_name=%s, service_type=%s]"
-            % (service_name, service_type)
+        raise exceptions.MistralException(
+            "No endpoints found [service_name=%s, service_type=%s,"
+            " region_name=%s]"
+            % (service_name, service_type, ctx.region_name)
         )
     else:
-        # TODO(rakhmerov): We may have more than one endpoint because
-        # TODO(rakhmerov): of regions and ideally we need a config option
-        # TODO(rakhmerov): for region
         return endpoint
 
 

releasenotes/notes/region-name-support-9e4b4ccd963ace88.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    [`bug 1633345 <https://bugs.launchpad.net/mistral/+bug/1633345>`_]
+
+    User now could define the target region for the openstack actions.
+    It could be done via API in X-Region-Name and X-Target-Region-Name
+    in case of multi-vim feature is used.