Add '--force; parameter to 'openstack quota set'

The compute service allows us to to force set a quota, setting a
quota value that is less than the amount of the resource currently
consumed. Expose this feature by way of a '--force' boolean
parameter.

Change-Id: I1d1ac1ac46f49f64794ffc8631e166935537966c

openstackclient/common/quota.py

@@ -516,6 +516,11 @@ class SetQuota(common.NetDetectionMixin, command.Command):
             metavar='<volume-type>',
             help=_('Set quotas for a specific <volume-type>'),
         )
+        parser.add_argument(
+            '--force',
+            action='store_true',
+            help=_('Force quota update (only supported by compute)')
+        )
         return parser
 
     def take_action(self, parsed_args):
@@ -529,6 +534,9 @@ class SetQuota(common.NetDetectionMixin, command.Command):
             if value is not None:
                 compute_kwargs[k] = value
 
+        if parsed_args.force:
+            compute_kwargs['force'] = True
+
         volume_kwargs = {}
         for k, v in VOLUME_QUOTAS.items():
             value = getattr(parsed_args, k, None)

openstackclient/tests/functional/common/test_quota.py

@@ -165,3 +165,47 @@ class QuotaTests(base.TestCase):
         # returned attributes
         self.assertTrue(cmd_output["key-pairs"] >= 0)
         self.assertTrue(cmd_output["snapshots"] >= 0)
+
+    def test_quota_set_force(self):
+        """Test to set instance value by force """
+        json_output = json.loads(self.openstack(
+            'quota list -f json --detail --compute'
+        ))
+        in_use = limit = None
+        for j in json_output:
+            if j["Resource"] == "instances":
+                in_use = j["In Use"]
+                limit = j["Limit"]
+
+        # Reduce count of in_use
+        in_use = in_use - 1
+        # cannot have negative instances limit
+        if in_use < 0:
+            in_use = 0
+
+        # set the limit by force now
+        self.openstack(
+            'quota set ' + self.PROJECT_NAME +
+            '--instances ' + str(in_use) + ' --force'
+        )
+        cmd_output = json.loads(self.openstack(
+            'quota show -f json ' + self.PROJECT_NAME
+        ))
+        self.assertIsNotNone(cmd_output)
+        self.assertEqual(
+            in_use,
+            cmd_output["instances"]
+        )
+
+        # Set instances limit to original limit now
+        self.openstack(
+            'quota set ' + self.PROJECT_NAME + '--instances ' + str(limit)
+        )
+        cmd_output = json.loads(self.openstack(
+            'quota show -f json ' + self.PROJECT_NAME
+        ))
+        self.assertIsNotNone(cmd_output)
+        self.assertEqual(
+            limit,
+            cmd_output["instances"]
+        )

openstackclient/tests/unit/common/test_quota.py

@@ -831,6 +831,56 @@ class TestQuotaSet(TestQuota):
         self.assertNotCalled(self.network_mock.update_quota)
         self.assertIsNone(result)
 
+    def test_quota_set_with_force(self):
+        arglist = [
+            '--cores', str(compute_fakes.core_num),
+            '--ram', str(compute_fakes.ram_num),
+            '--instances', str(compute_fakes.instance_num),
+            '--volumes', str(volume_fakes.QUOTA['volumes']),
+            '--subnets', str(network_fakes.QUOTA['subnet']),
+            '--force',
+            self.projects[0].name,
+        ]
+        verifylist = [
+            ('cores', compute_fakes.core_num),
+            ('ram', compute_fakes.ram_num),
+            ('instances', compute_fakes.instance_num),
+            ('volumes', volume_fakes.QUOTA['volumes']),
+            ('subnet', network_fakes.QUOTA['subnet']),
+            ('force', True),
+            ('project', self.projects[0].name),
+        ]
+        self.app.client_manager.network_endpoint_enabled = True
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        kwargs_compute = {
+            'cores': compute_fakes.core_num,
+            'ram': compute_fakes.ram_num,
+            'instances': compute_fakes.instance_num,
+            'force': True,
+        }
+        kwargs_volume = {
+            'volumes': volume_fakes.QUOTA['volumes'],
+        }
+        kwargs_network = {
+            'subnet': network_fakes.QUOTA['subnet'],
+        }
+        self.compute_quotas_mock.update.assert_called_once_with(
+            self.projects[0].id,
+            **kwargs_compute
+        )
+        self.volume_quotas_mock.update.assert_called_once_with(
+            self.projects[0].id,
+            **kwargs_volume
+        )
+        self.network_mock.update_quota.assert_called_once_with(
+            self.projects[0].id,
+            **kwargs_network
+        )
+        self.assertIsNone(result)
+
 
 class TestQuotaShow(TestQuota):
 

releasenotes/notes/force-flag-openstackclient-c172de2717e5cfac.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - Add ``--force`` options to the ``openstack quota set``
+    command. The compute service allows us to to force set a quota, setting a
+    quota value that is less than the amount of the resource currently
+    consumed. Expose this feature by way of a ``--force`` boolean parameter.