heat API : Align response StackId with AWS spec

Revise response format for CreateStack, ListStacks and DescribeStacks
so the StackId element is formatted in a similar way to the AWS spec

Change-Id: I0dd34a6dae2e30c63619449ebbf89643ccc9d364
Signed-off-by: Steven Hardy <shardy@redhat.com>

heat/api/v1/stacks.py

@@ -49,6 +49,15 @@ class StackController(object):
     def __init__(self, options):
         self.options = options
 
+    # On valid non-error response, we add a host:port:stack prefix
+    # This formats the StackId in the response more like the AWS spec
+    def _stackid_addprefix(self, resp):
+        if 'StackId' in resp:
+            hostportprefix = ":".join([socket.gethostname(),
+                str(self.options.bind_port), "stack"])
+            resp['StackId'] = "/".join([hostportprefix, resp['StackId']])
+        return resp
+
     def list(self, req):
         """
         Returns the following information for all stacks:
@@ -66,7 +75,7 @@ class StackController(object):
         summaries = results['StackSummaries']
         if stack_list is not None:
             for s in stack_list['stacks']:
-                summaries.append(s)
+                summaries.append(self._stackid_addprefix(s))
 
         return res
 
@@ -89,7 +98,7 @@ class StackController(object):
         res = {'DescribeStacksResult': {'Stacks': []}}
         stacks = res['DescribeStacksResult']['Stacks']
         for s in stack_list['stacks']:
-            stacks.append(s)
+            stacks.append(self._stackid_addprefix(s))
 
         return res
 
@@ -142,7 +151,7 @@ class StackController(object):
             stack['Timeout'] = req.params['Timeout']
 
         try:
-            return rpc.call(con, 'engine',
+            res = rpc.call(con, 'engine',
                             {'method': 'create_stack',
                              'args': {'stack_name': req.params['StackName'],
                                       'template': stack,
@@ -150,6 +159,8 @@ class StackController(object):
         except rpc_common.RemoteError as ex:
             return webob.exc.HTTPBadRequest(str(ex))
 
+        return {'CreateStackResult': self._stackid_addprefix(res)}
+
     def get_template(self, req):
 
         con = req.context

heat/engine/manager.py

@@ -149,7 +149,7 @@ class EngineManager(manager.Manager):
                               s.raw_template.parsed_template.template,
                               s.id, _extract_user_params(params))
             mem = {}
-            mem['StackId'] = s.id
+            mem['StackId'] = "/".join([s.name, str(s.id)])
             mem['StackName'] = s.name
             mem['CreationTime'] = heat_utils.strtime(s.created_at)
             mem['TemplateDescription'] = ps.t.get('Description',
@@ -175,7 +175,7 @@ class EngineManager(manager.Manager):
                               s.raw_template.parsed_template.template,
                               s.id, _extract_user_params(params))
             mem = {}
-            mem['StackId'] = s.id
+            mem['StackId'] = "/".join([s.name, str(s.id)])
             mem['StackName'] = s.name
             mem['CreationTime'] = heat_utils.strtime(s.created_at)
             mem['LastUpdatedTimestamp'] = heat_utils.strtime(s.updated_at)
@@ -255,8 +255,7 @@ class EngineManager(manager.Manager):
         stack.parsed_template_id = new_pt.id
         greenpool.spawn_n(stack.create)
 
-        return {'stack': {'id': new_s.id, 'name': new_s.name,
-                'CreationTime': heat_utils.strtime(new_s.created_at)}}
+        return {'StackId': "/".join([new_s.name, str(new_s.id)])}
 
     def validate_template(self, context, template, params):
         """