Adds support force delete VNFFG

This patch adds '--force' parameter to vnffg delete command,
to force delete VNFFG.

e.g: openstack vnf graph delete --force VNFFG1

blueprint force-delete-resources

Change-Id: I642ddcdb7a1167f25553ef26df6102bb2be22c3f

tackerclient/osc/v1/nfvo/vnffg.py

@@ -190,18 +190,32 @@ class DeleteVNFFG(command.Command):
             nargs="+",
             help=_("VNFFG(s) to delete (name or ID)")
         )
+        parser.add_argument(
+            '--force',
+            default=False,
+            action='store_true',
+            help=_('Force delete VNFFG'))
         return parser
 
+    def args2body(self, parsed_args):
+        body = dict()
+        if parsed_args.force:
+            body[_VNFFG] = dict()
+            body[_VNFFG]['attributes'] = dict()
+            body[_VNFFG]['attributes']['force'] = True
+        return body
+
     def take_action(self, parsed_args):
         client = self.app.client_manager.tackerclient
         failure = False
         deleted_ids = []
         failed_items = {}
+        body = self.args2body(parsed_args)
         for resource_id in parsed_args.vnffg:
             try:
                 obj = tackerV10.find_resourceid_by_name_or_id(
                     client, _VNFFG, resource_id)
-                client.delete_vnffg(obj)
+                client.delete_vnffg(obj, body)
                 deleted_ids.append(resource_id)
             except Exception as e:
                 failure = True

tackerclient/tacker/v1_0/nfvo/vnffg.py

@@ -232,3 +232,18 @@ class DeleteVNFFG(tackerV10.DeleteCommand):
     """Delete a given VNFFG."""
 
     resource = _VNFFG
+    remove_output_fields = ["attributes"]
+
+    def add_known_arguments(self, parser):
+        parser.add_argument(
+            '--force',
+            default=False,
+            action='store_true',
+            help=_('Force delete VNFFG'))
+
+    def args2body(self, parsed_args):
+        body = dict()
+        if parsed_args.force:
+            body[self.resource] = dict()
+            body[self.resource]['attributes'] = {'force': True}
+        return body

tackerclient/tests/unit/vm/test_cli10_vnffg.py

@@ -113,8 +113,14 @@ class CLITestV10VmVNFFGJSON(test_cli10.CLITestV10Base):
                                    args, extra_fields,
                                    get_client_called_count=2)
 
-    def test_delete_vnffg(self):
+    def test_delete_vnffg_without_force(self):
         cmd = vnffg.DeleteVNFFG(test_cli10.MyApp(sys.stdout), None)
         my_id = 'my-id'
         args = [my_id]
         self._test_delete_resource(self._RESOURCE, cmd, my_id, args)
+
+    def test_delete_vnffg_with_force(self):
+        cmd = vnffg.DeleteVNFFG(test_cli10.MyApp(sys.stdout), None)
+        my_id = 'my-id'
+        args = [my_id, '--force']
+        self._test_delete_resource(self._RESOURCE, cmd, my_id, args)

tackerclient/v1_0/client.py

@@ -626,8 +626,8 @@ class LegacyClient(ClientBase):
         return self.post(self.vnffgs_path, body=body)
 
     @APIParamsCall
-    def delete_vnffg(self, vnffg):
-        return self.delete(self.vnffg_path % vnffg)
+    def delete_vnffg(self, vnffg, body=None):
+        return self.delete(self.vnffg_path % vnffg, body=body)
 
     @APIParamsCall
     def update_vnffg(self, vnffg, body):