Refactor delete of infra workload

Change-Id: I37ab8a106b978db7fff94492f0075714a77fc7a4
Issue-ID: MULTICLOUD-250
Signed-off-by: Huang Haibin <haibin.huang@intel.com>

2 files changed, 65 insertions, 45 deletions

diff --git a/pike/pike/resource/tests/tests_infra_workload.py b/pike/pike/resource/tests/tests_infra_workload.py
index 92d1b4bb..51fd0837 100644
--- a/pike/pike/resource/tests/tests_infra_workload.py
+++ b/pike/pike/resource/tests/tests_infra_workload.py
@@ -102,7 +102,7 @@ MOCK_HEAT_CREATE_RESPONSE1 = {
 MOCK_HEAT_LIST_RESPONSE1 = {
     'stacks': [
         {
-            'resource_status':"CREATE_IN_PROCESS"
+            'stack_status':"CREATE_IN_PROCESS"
         }
     ]
 }
diff --git a/pike/pike/resource/views/infra_workload.py b/pike/pike/resource/views/infra_workload.py
index 415bf0d2..80cb112e 100644
--- a/pike/pike/resource/views/infra_workload.py
+++ b/pike/pike/resource/views/infra_workload.py
@@ -122,6 +122,7 @@ class InfraWorkload(APIView):
 
         try :
             # assume the workload_type is heat
+            template_type = "heat"
             stack_id = requri
             cloud_owner, regionid = extsys.decode_vim_id(vimid)
             # should go via multicloud proxy so that the selflink is updated by multicloud
@@ -138,20 +139,19 @@ class InfraWorkload(APIView):
             self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
             retcode, content, os_status = helper.MultiCloudServiceHelper(cloud_owner, regionid, v2_token_resp_json,
                                                                          service_type, resource_uri, None, "GET")
-            resources = content.get('stacks', []) if retcode > 0 and content else []
-
-            resource_status = resources[0]["resource_status"] if len(resources)>0 else ""
+            stacks = content.get('stacks', []) if retcode == 0 and content else []
+            stack_status = stacks[0]["stack_status"] if len(stacks)>0 else ""
 
             resp_template = {
-                "template_type": "HEAT",
+                "template_type": template_type,
                 "workload_id": stack_id,
-                "workload_status": resource_status
+                "workload_status": stack_status
             }
 
             if retcode > 0:
                 resp_template['workload_response'] = content
 
-            if ('CREATE_COMPLETE' == resource_status):
+            if ('CREATE_COMPLETE' == stack_status):
                 self.heatbridge_update(request, vimid, stack_id)
 
             self._logger.info("RESP with data> result:%s" % resp_template)
@@ -197,7 +197,7 @@ class InfraWorkload(APIView):
         resource_uri = "/stacks/%s/resources"%(stack_id)
         self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
         retcode, content, os_status = helper.MultiCloudServiceHelper(cloud_owner, regionid, v2_token_resp_json, service_type, resource_uri, None, "GET")
-        resources = content.get('resources', []) if retcode==0 and content else []
+        resources = content.get('resources', []) if retcode == 0 and content else []
 
         #find and update resources
         transactions = []
@@ -307,45 +307,53 @@ class InfraWorkload(APIView):
         self._logger.debug("META: %s" % request.META)
 
         try :
-            # we just support heat template
-            workload_id = requri
-            tenant_name = None
-            vim = VimDriverUtils.get_vim_info(vimid)
+            # assume the workload_type is heat
+            template_type = "heat"
+            stack_id = requri
             cloud_owner, regionid = extsys.decode_vim_id(vimid)
-            v2_token_resp_json = helper.MultiCloudIdentityHelper(settings.MULTICLOUD_API_V1_PREFIX,
-                                                             cloud_owner, regionid, "/v2.0/tokens")
-            if not v2_token_resp_json:
-                logger.error("authenticate fails:%s,%s" % (cloud_owner, regionid))
+            # should go via multicloud proxy so that the selflink is updated by multicloud
+            retcode, v2_token_resp_json, os_status = helper.MultiCloudIdentityHelper(
+                settings.MULTICLOUD_API_V1_PREFIX,
+                cloud_owner, regionid, "/v2.0/tokens")
+            if retcode > 0  or not v2_token_resp_json:
+                logger.error("authenticate fails:%s, %s, %s" % (cloud_owner, regionid, v2_token_resp_json))
                 return
-            tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-            interface = 'public'
-            service = {'service_type': 'orchestration',
-                       'interface': interface,
-                       'region_id': vim['openstack_region_id']
-                           if vim.get('openstack_region_id')
-                           else vim['cloud_region_id']}
-
-            req_body = template_data
-            url_get = "/v1/%s/stacks" % (tenant_id)
-            sess = VimDriverUtils.get_session(vim, tenant_name)
-            get_resp = sess.get(url_get,
-                            data = req_body,
-                            endpoint_filter = service)
-            stack_info = get_resp.json()
-            stacks = stack_info["stacks"]
-            stack_name = ""
-            for stack in stacks:
-                if workload_id == stack["id"]:
-                    stack_name = stack["stack_name"]
-                    break
-
-            req_source = "/v1/%s/stacks/%s/%s" % (tenant_id, stack_name, workload_id)
-            resp = sess.delete(req_resource,
-                               endpoint_filter = service)
-
-            resp_status = status.HTTP_204_NO_CONTENT
-            self._logger.info("RESP with data> result:%s" % "")
-            return Response(status=resp_status)
+            # tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
+            # tenant_name = v2_token_resp_json["access"]["token"]["tenant"]["name"]
+
+            # get stack status
+            service_type = "orchestration"
+            resource_uri = "/stacks?id=%s" % stack_id if stack_id else "/stacks"
+            self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
+            retcode, content, os_status = helper.MultiCloudServiceHelper(cloud_owner, regionid, v2_token_resp_json,
+                                                                         service_type, resource_uri, None, "GET")
+            stacks = content.get('stacks', []) if retcode == 0 and content else []
+            # assume there is at most 1 stack returned since it was filtered by id
+            stack1 = stacks[0] if stacks else None
+            stack_status = ""
+
+            if stack1 and 'CREATE_COMPLETE' == stack1['stack_status']:
+                # delete the stack
+                resource_uri = "/stacks/%s/%s" % (stack1['stack_name'], stack1['id'])
+                self._logger.info("delete stack, URI:%s" % resource_uri)
+                retcode, content, os_status = helper.MultiCloudServiceHelper(cloud_owner, regionid, v2_token_resp_json,
+                                                                             service_type, resource_uri, None, "DELETE")
+                if retcode == 0:
+                    stack_status = "DELETE_IN_PROCESS"
+                    # and update AAI inventory by heatbridge-delete
+                    self.heatbridge_delete(request, vimid, stack1['id'])
+
+            resp_template = {
+                "template_type": template_type,
+                "workload_id": stack_id,
+                "workload_status": stack_status
+            }
+
+            if retcode > 0:
+                resp_template["workload_response"] = content
+
+            self._logger.info("RESP with data> result:%s" % resp_template)
+            return Response(status=os_status)
         except VimDriverNewtonException as e:
             self._logger.error("Plugin exception> status:%s,error:%s"
                                   % (e.status_code, e.content))
@@ -358,6 +366,18 @@ class InfraWorkload(APIView):
             return Response(data={'error': str(e)},
                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
+    def heatbridge_delete(self, request, stack_id, vimid):
+        '''
+        remove heat resource from AAI for the specified cloud region and tenant
+        The resources includes: vserver, vserver/l-interface,
+        :param request:
+        :param stack_id:
+        :param vimid:
+        :param tenant_id:
+        :return:
+        '''
+        pass
+
 
 class APIv1InfraWorkload(InfraWorkload):