Fix cluster-policies list API

This patch revises cluster-policies list API to make it
raise BadRequest exception when incorrect request
parameter(s) are provided. This is for keeping consistent
with other resource list APIs. Related tempest API test
is also added to verify the change.

Change-Id: I47b183456277f5af934d934f9a33f7c363ff1761

api-ref/source/cluster_policies.inc

@@ -15,6 +15,7 @@ Normal response codes: 200
 
 Error response codes:
 
+- badRequest (400)
 - unauthorized (401)
 - forbidden (403)
 - notFound (404)

senlin/api/openstack/v1/cluster_policies.py

@@ -14,9 +14,12 @@
 ClusterPolicies endpoint for Senlin v1 ReST API.
 """
 
+from webob import exc
+
 from senlin.api.common import util
 from senlin.api.common import wsgi
 from senlin.common import consts
+from senlin.common.i18n import _
 from senlin.common import utils
 
 
@@ -34,6 +37,11 @@ class ClusterPolicyController(wsgi.Controller):
         param_whitelist = {
             consts.PARAM_SORT: 'single',
         }
+        for key in req.params.keys():
+            if (key not in param_whitelist.keys() and key not in
+                    filter_whitelist.keys()):
+                raise exc.HTTPBadRequest(_('Invalid parameter %s') % key)
+
         params = util.get_allowed_params(req.params, param_whitelist)
         filters = util.get_allowed_params(req.params, filter_whitelist)
         key = consts.CP_ENABLED

senlin/tests/tempest/api/cluster_policies/test_cluster_policy_list_negative.py

@@ -0,0 +1,28 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from tempest.lib import decorators
+from tempest.lib import exceptions
+from tempest import test
+
+from senlin.tests.tempest.api import base
+
+
+class TestClusterPolicyListNegativeBadRequest(base.BaseSenlinTest):
+
+    @test.attr(type=['negative'])
+    @decorators.idempotent_id('7f23de64-60c4-456e-9e24-db86ac89480c')
+    def test_cluster_policy_list_invalid_params(self):
+        self.assertRaises(exceptions.BadRequest,
+                          self.client.list_cluster_policies,
+                          '7f23de64-60c4-456e-9e24-db86ac89480c',
+                          {'bogus': 'foo'})

senlin/tests/tempest/common/clustering_client.py

@@ -79,8 +79,11 @@ class ClusteringAPIClient(rest_client.RestClient):
 
         return self._parsed_resp(resp, body)
 
-    def list_cluster_policies(self, cluster_id):
+    def list_cluster_policies(self, cluster_id, params=None):
         uri = '{0}/clusters/{1}/policies'.format(self.version, cluster_id)
+        if params:
+            uri += '?{0}'.format(urllib.urlencode(params))
+
         resp, body = self.get(uri)
 
         return self._parsed_resp(resp, body)

senlin/tests/unit/api/openstack/v1/test_cluster_policies.py

@@ -12,6 +12,7 @@
 
 import mock
 import six
+from webob import exc
 
 from senlin.api.middleware import fault
 from senlin.api.openstack.v1 import cluster_policies as cp_mod
@@ -67,14 +68,13 @@ class ClusterPolicyControllerTest(shared.ControllerTest, base.SenlinTestCase):
         self.assertEqual(expected, result)
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_cluster_policy_index_whitelists_params(self, mock_call,
+    def test_cluster_policy_index_valid_filter_params(self, mock_call,
                                                       mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         cid = 'FAKE_CLUSTER'
         params = {
             'sort': 'fake sorting string',
-            'filters': None,
-            'balrog': 'you shall not pass!'
+            'enabled': 'True',
         }
         req = self._get('/cluster_policies/%s' % cid, params=params)
         mock_call.return_value = []
@@ -90,7 +90,7 @@ class ClusterPolicyControllerTest(shared.ControllerTest, base.SenlinTestCase):
         self.assertNotIn('balrog', engine_args)
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_cluster_policy_index_whitelist_filter_params(self, mock_call,
+    def test_cluster_policy_index_invalid_params(self, mock_call,
                                                  mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         cid = 'FAKE_CLUSTER'
@@ -101,16 +101,10 @@ class ClusterPolicyControllerTest(shared.ControllerTest, base.SenlinTestCase):
         req = self._get('/cluster_policies/%s' % cid, params=params)
         mock_call.return_value = []
 
-        self.controller.index(req, cluster_id=cid)
-
-        rpc_call_args, _ = mock_call.call_args
-        engine_args = rpc_call_args[1][1]
-        self.assertIn('filters', engine_args)
-
-        filters = engine_args['filters']
-        self.assertEqual(1, len(filters))
-        self.assertTrue(filters['enabled'])
-        self.assertNotIn('balrog', filters)
+        ex = self.assertRaises(exc.HTTPBadRequest, self.controller.index,
+                               req, cluster_id=cid)
+        self.assertEqual('Invalid parameter balrog',
+                         six.text_type(ex))
 
     def test_cluster_policy_index_denied_policy(self, mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', False)