Delete a quota through admin api.

Exposes the quota-delete api implemented as part of
blueprint admin-api-for-delete-quota
Change-Id: Iab358f0fcf2dfb41bcd9a3a5b73d590d3f55cd6c

novaclient/tests/v1_1/fakes.py

@@ -1014,6 +1014,12 @@ class FakeHTTPClient(base_client.HTTPClient):
                       'security_groups': 1,
                       'security_group_rules': 1}})
 
+    def delete_os_quota_sets_test(self, **kw):
+        return (202, {}, {})
+
+    def delete_os_quota_sets_97f4c221bff44578b0300df4ef119353(self, **kw):
+        return (202, {}, {})
+
     #
     # Quota Classes
     #

novaclient/tests/v1_1/test_quotas.py

@@ -45,3 +45,8 @@ class QuotaSetsTest(utils.TestCase):
         self.assertNotEqual(q.volumes, q2.volumes)
         q2.get()
         self.assertEqual(q.volumes, q2.volumes)
+
+    def test_quotas_delete(self):
+        tenant_id = 'test'
+        cs.quotas.delete(tenant_id)
+        cs.assert_called('DELETE', '/os-quota-sets/%s' % tenant_id)

novaclient/tests/v1_1/test_shell.py

@@ -1034,6 +1034,12 @@ class ShellTest(utils.TestCase):
             {'quota_set': {'fixed_ips': 5,
                            'tenant_id': '97f4c221bff44578b0300df4ef119353'}})
 
+    def test_quota_delete(self):
+        self.run_command('quota-delete --tenant '
+                         '97f4c221bff44578b0300df4ef119353')
+        self.assert_called('DELETE',
+                           '/os-quota-sets/97f4c221bff44578b0300df4ef119353')
+
     def test_quota_class_show(self):
         self.run_command('quota-class-show test')
         self.assert_called('GET', '/os-quota-class-sets/test')

novaclient/v1_1/quotas.py

@@ -69,3 +69,6 @@ class QuotaSetManager(base.Manager):
     def defaults(self, tenant_id):
         return self._get('/os-quota-sets/%s/defaults' % tenant_id,
                          'quota_set')
+
+    def delete(self, tenant_id):
+        self._delete("/os-quota-sets/%s" % tenant_id)

novaclient/v1_1/shell.py

@@ -2914,6 +2914,15 @@ def do_quota_update(cs, args):
     _quota_update(cs.quotas, args.tenant, args)
 
 
+@utils.arg('--tenant',
+           metavar='<tenant-id>',
+           help='ID of tenant to delete quota for.')
+def do_quota_delete(cs, args):
+    """Delete quota for a tenant so their quota will revert back to default."""
+
+    cs.quotas.delete(args.tenant)
+
+
 @utils.arg('class_name',
     metavar='<class>',
     help='Name of quota class to list the quotas for.')