Filter out legacy_endpoint_id (bug 1152635)

Change-Id: I176c3f4fec0a1fa544efb11cffd4837dedf8cace

keystone/catalog/controllers.py

@@ -158,6 +158,17 @@ class EndpointV3(controller.V3Controller):
     collection_name = 'endpoints'
     member_name = 'endpoint'
 
+    @classmethod
+    def filter_endpoint(cls, ref):
+        if 'legacy_endpoint_id' in ref:
+            ref.pop('legacy_endpoint_id')
+        return ref
+
+    @classmethod
+    def wrap_member(cls, context, ref):
+        ref = cls.filter_endpoint(ref)
+        return super(EndpointV3, cls).wrap_member(context, ref)
+
     @controller.protected
     def create_endpoint(self, context, endpoint):
         ref = self._assign_unique_id(self._normalize_dict(endpoint))

tests/test_v3.py

@@ -512,6 +512,10 @@ def assertValidEndpointResponse(self, resp, *args, **kwargs):
     def assertValidEndpoint(self, entity, ref=None):
         self.assertIsNotNone(entity.get('interface'))
         self.assertIsNotNone(entity.get('service_id'))
+
+        # this is intended to be an unexposed implementation detail
+        self.assertNotIn('legacy_endpoint_id', entity)
+
         if ref:
             self.assertEqual(ref['interface'], entity['interface'])
             self.assertEqual(ref['service_id'], entity['service_id'])