Improve naming of get_allowed_params() argument

This used to be just a list of allowed names, but now it's a dict
mapping names to types. Use variable names that reflect the current
meaning, fix the docs, and use named constants where available.

Change-Id: I3aadca4e1e9db5da5d07d521c2313162062639b7

10 files changed, 62 insertions, 62 deletions

diff --git a/heat/api/openstack/v1/events.py b/heat/api/openstack/v1/events.py
index 68af75bad..87aa000a8 100644
--- a/heat/api/openstack/v1/events.py
+++ b/heat/api/openstack/v1/events.py
@@ -109,21 +109,21 @@ class EventController(object):
     @util.registered_identified_stack
     def index(self, req, identity, resource_name=None):
         """Lists summary information for all events."""
-        whitelist = {
+        param_types = {
             'limit': util.PARAM_TYPE_SINGLE,
             'marker': util.PARAM_TYPE_SINGLE,
             'sort_dir': util.PARAM_TYPE_SINGLE,
             'sort_keys': util.PARAM_TYPE_MULTI,
             'nested_depth': util.PARAM_TYPE_SINGLE,
         }
-        filter_whitelist = {
+        filter_param_types = {
             'resource_status': util.PARAM_TYPE_MIXED,
             'resource_action': util.PARAM_TYPE_MIXED,
             'resource_name': util.PARAM_TYPE_MIXED,
             'resource_type': util.PARAM_TYPE_MIXED,
         }
-        params = util.get_allowed_params(req.params, whitelist)
-        filter_params = util.get_allowed_params(req.params, filter_whitelist)
+        params = util.get_allowed_params(req.params, param_types)
+        filter_params = util.get_allowed_params(req.params, filter_param_types)
 
         int_params = (rpc_api.PARAM_LIMIT, rpc_api.PARAM_NESTED_DEPTH)
         try:
diff --git a/heat/api/openstack/v1/resources.py b/heat/api/openstack/v1/resources.py
index b4befc53c..199f778e4 100644
--- a/heat/api/openstack/v1/resources.py
+++ b/heat/api/openstack/v1/resources.py
@@ -96,18 +96,18 @@ class ResourceController(object):
     def index(self, req, identity):
         """Lists information for all resources."""
 
-        whitelist = {
-            'type': 'mixed',
-            'status': 'mixed',
-            'name': 'mixed',
-            'action': 'mixed',
-            'id': 'mixed',
-            'physical_resource_id': 'mixed'
+        param_types = {
+            'type': util.PARAM_TYPE_MIXED,
+            'status': util.PARAM_TYPE_MIXED,
+            'name': util.PARAM_TYPE_MIXED,
+            'action': util.PARAM_TYPE_MIXED,
+            'id': util.PARAM_TYPE_MIXED,
+            'physical_resource_id': util.PARAM_TYPE_MIXED,
         }
 
         invalid_keys = (set(req.params.keys()) -
-                        set(list(whitelist) + [rpc_api.PARAM_NESTED_DEPTH,
-                                               rpc_api.PARAM_WITH_DETAIL]))
+                        set(list(param_types) + [rpc_api.PARAM_NESTED_DEPTH,
+                                                 rpc_api.PARAM_WITH_DETAIL]))
         if invalid_keys:
             raise exc.HTTPBadRequest(_('Invalid filter parameters %s') %
                                      str(list(invalid_keys)))
@@ -121,7 +121,7 @@ class ResourceController(object):
                                              param_utils.extract_bool,
                                              default=False)
 
-        params = util.get_allowed_params(req.params, whitelist)
+        params = util.get_allowed_params(req.params, param_types)
 
         res_list = self.rpc_client.list_stack_resources(req.context,
                                                         identity,
@@ -135,8 +135,8 @@ class ResourceController(object):
     def show(self, req, identity, resource_name):
         """Gets detailed information for a resource."""
 
-        whitelist = {'with_attr': util.PARAM_TYPE_MULTI}
-        params = util.get_allowed_params(req.params, whitelist)
+        param_types = {'with_attr': util.PARAM_TYPE_MULTI}
+        params = util.get_allowed_params(req.params, param_types)
         if 'with_attr' not in params:
             params['with_attr'] = None
         res = self.rpc_client.describe_stack_resource(req.context,
diff --git a/heat/api/openstack/v1/software_configs.py b/heat/api/openstack/v1/software_configs.py
index 1e8a426ef..41f9486e4 100644
--- a/heat/api/openstack/v1/software_configs.py
+++ b/heat/api/openstack/v1/software_configs.py
@@ -44,11 +44,11 @@ class SoftwareConfigController(object):
             raise exc.HTTPBadRequest(str(e))
 
     def _index(self, req, use_admin_cnxt=False):
-        whitelist = {
+        param_types = {
             'limit': util.PARAM_TYPE_SINGLE,
             'marker': util.PARAM_TYPE_SINGLE
         }
-        params = util.get_allowed_params(req.params, whitelist)
+        params = util.get_allowed_params(req.params, param_types)
 
         if use_admin_cnxt:
             cnxt = context.get_admin_context()
diff --git a/heat/api/openstack/v1/software_deployments.py b/heat/api/openstack/v1/software_deployments.py
index 99aca5785..725b4ef1e 100644
--- a/heat/api/openstack/v1/software_deployments.py
+++ b/heat/api/openstack/v1/software_deployments.py
@@ -37,10 +37,10 @@ class SoftwareDeploymentController(object):
     @util.registered_policy_enforce
     def index(self, req):
         """List software deployments."""
-        whitelist = {
+        param_types = {
             'server_id': util.PARAM_TYPE_SINGLE,
         }
-        params = util.get_allowed_params(req.params, whitelist)
+        params = util.get_allowed_params(req.params, param_types)
         sds = self.rpc_client.list_software_deployments(req.context, **params)
         return {'software_deployments': sds}
 
diff --git a/heat/api/openstack/v1/stacks.py b/heat/api/openstack/v1/stacks.py
index 8830c22b3..d84adbc92 100644
--- a/heat/api/openstack/v1/stacks.py
+++ b/heat/api/openstack/v1/stacks.py
@@ -204,7 +204,7 @@ class StackController(object):
             raise exc.HTTPBadRequest(str(e))
 
     def _index(self, req, use_admin_cnxt=False):
-        filter_whitelist = {
+        filter_param_types = {
             # usage of keys in this list are not encouraged, please use
             # rpc_api.STACK_KEYS instead
             'id': util.PARAM_TYPE_MIXED,
@@ -215,7 +215,7 @@ class StackController(object):
             'username': util.PARAM_TYPE_MIXED,
             'owner_id': util.PARAM_TYPE_MIXED,
         }
-        whitelist = {
+        param_types = {
             'limit': util.PARAM_TYPE_SINGLE,
             'marker': util.PARAM_TYPE_SINGLE,
             'sort_dir': util.PARAM_TYPE_SINGLE,
@@ -228,7 +228,7 @@ class StackController(object):
             'not_tags': util.PARAM_TYPE_SINGLE,
             'not_tags_any': util.PARAM_TYPE_SINGLE,
         }
-        params = util.get_allowed_params(req.params, whitelist)
+        params = util.get_allowed_params(req.params, param_types)
         stack_keys = dict.fromkeys(rpc_api.STACK_KEYS, util.PARAM_TYPE_MIXED)
         unsupported = (
             rpc_api.STACK_ID,  # not user visible
@@ -246,7 +246,7 @@ class StackController(object):
         for key in unsupported:
             stack_keys.pop(key)
         # downward compatibility
-        stack_keys.update(filter_whitelist)
+        stack_keys.update(filter_param_types)
         filter_params = util.get_allowed_params(req.params, stack_keys)
 
         show_deleted = False
@@ -519,8 +519,8 @@ class StackController(object):
         raise exc.HTTPAccepted()
 
     def _param_show_nested(self, req):
-        whitelist = {'show_nested': 'single'}
-        params = util.get_allowed_params(req.params, whitelist)
+        param_types = {'show_nested': util.PARAM_TYPE_SINGLE}
+        params = util.get_allowed_params(req.params, param_types)
 
         p_name = 'show_nested'
         if p_name in params:
@@ -604,9 +604,9 @@ class StackController(object):
 
         data = InstantiationData(body)
 
-        whitelist = {'show_nested': util.PARAM_TYPE_SINGLE,
-                     'ignore_errors': util.PARAM_TYPE_SINGLE}
-        params = util.get_allowed_params(req.params, whitelist)
+        param_types = {'show_nested': util.PARAM_TYPE_SINGLE,
+                       'ignore_errors': util.PARAM_TYPE_SINGLE}
+        params = util.get_allowed_params(req.params, param_types)
 
         show_nested = False
         p_name = rpc_api.PARAM_SHOW_NESTED
diff --git a/heat/api/openstack/v1/util.py b/heat/api/openstack/v1/util.py
index 8aec45ddc..86df81eb6 100644
--- a/heat/api/openstack/v1/util.py
+++ b/heat/api/openstack/v1/util.py
@@ -86,22 +86,22 @@ PARAM_TYPES = (
 )
 
 
-def get_allowed_params(params, whitelist):
-    """Extract from ``params`` all entries listed in ``whitelist``.
+def get_allowed_params(params, param_types):
+    """Extract from ``params`` all entries listed in ``param_types``.
 
     The returning dict will contain an entry for a key if, and only if,
-    there's an entry in ``whitelist`` for that key and at least one entry in
+    there's an entry in ``param_types`` for that key and at least one entry in
     ``params``. If ``params`` contains multiple entries for the same key, it
     will yield an array of values: ``{key: [v1, v2,...]}``
 
     :param params: a NestedMultiDict from webob.Request.params
-    :param whitelist: an array of strings to whitelist
+    :param param_types: an dict of allowed parameters and their types
 
     :returns: a dict with {key: value} pairs
     """
     allowed_params = {}
 
-    for key, get_type in whitelist.items():
+    for key, get_type in param_types.items():
         assert get_type in PARAM_TYPES
 
         value = None
diff --git a/heat/tests/api/openstack_v1/test_events.py b/heat/tests/api/openstack_v1/test_events.py
index 08d53761b..22e0eecd9 100644
--- a/heat/tests/api/openstack_v1/test_events.py
+++ b/heat/tests/api/openstack_v1/test_events.py
@@ -374,7 +374,7 @@ class EventControllerTest(tools.ControllerTest, common.HeatTestCase):
         )
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_index_whitelists_pagination_params(self, mock_call, mock_enforce):
+    def test_index_bogus_pagination_param(self, mock_call, mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         params = {
             'limit': 10,
@@ -428,7 +428,7 @@ class EventControllerTest(tools.ControllerTest, common.HeatTestCase):
         self.assertFalse(mock_call.called)
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_index_whitelist_filter_params(self, mock_call, mock_enforce):
+    def test_index_bogus_filter_param(self, mock_call, mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         params = {
             'resource_status': 'COMPLETE',
diff --git a/heat/tests/api/openstack_v1/test_software_deployments.py b/heat/tests/api/openstack_v1/test_software_deployments.py
index 3abe98f30..de91eab80 100644
--- a/heat/tests/api/openstack_v1/test_software_deployments.py
+++ b/heat/tests/api/openstack_v1/test_software_deployments.py
@@ -48,8 +48,8 @@ class SoftwareDeploymentControllerTest(tools.ControllerTest,
             resp = self.controller.index(req, tenant_id=self.tenant)
             self.assertEqual(
                 {'software_deployments': []}, resp)
-            whitelist = mock_call.call_args[1]
-            self.assertEqual({}, whitelist)
+            params = mock_call.call_args[1]
+            self.assertEqual({}, params)
         server_id = 'fb322564-7927-473d-8aad-68ae7fbf2abf'
         req = self._get('/software_deployments', {'server_id': server_id})
         with mock.patch.object(
@@ -59,8 +59,8 @@ class SoftwareDeploymentControllerTest(tools.ControllerTest,
             resp = self.controller.index(req, tenant_id=self.tenant)
             self.assertEqual(
                 {'software_deployments': []}, resp)
-            whitelist = mock_call.call_args[1]
-            self.assertEqual({'server_id': server_id}, whitelist)
+            params = mock_call.call_args[1]
+            self.assertEqual({'server_id': server_id}, params)
 
     @mock.patch.object(policy.Enforcer, 'enforce')
     def test_show(self, mock_enforce):
diff --git a/heat/tests/api/openstack_v1/test_stacks.py b/heat/tests/api/openstack_v1/test_stacks.py
index 5a9f41eea..67cd34a1b 100644
--- a/heat/tests/api/openstack_v1/test_stacks.py
+++ b/heat/tests/api/openstack_v1/test_stacks.py
@@ -313,7 +313,7 @@ class StackControllerTest(tools.ControllerTest, common.HeatTestCase):
             req.context, ('list_stacks', default_args), version='1.33')
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_index_whitelists_pagination_params(self, mock_call, mock_enforce):
+    def test_index_bogus_pagination_param(self, mock_call, mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         params = {
             'limit': 10,
@@ -351,7 +351,7 @@ class StackControllerTest(tools.ControllerTest, common.HeatTestCase):
         self.assertFalse(mock_call.called)
 
     @mock.patch.object(rpc_client.EngineClient, 'call')
-    def test_index_whitelist_filter_params(self, mock_call, mock_enforce):
+    def test_index_bogus_filter_param(self, mock_call, mock_enforce):
         self._mock_enforce_setup(mock_enforce, 'index', True)
         params = {
             'id': 'fake id',
@@ -381,7 +381,7 @@ class StackControllerTest(tools.ControllerTest, common.HeatTestCase):
             'parent': 'fake parent',
             'stack_user_project_id': 'fake project id',
             'tags': 'fake tags',
-            'barlog': 'you shall not pass!'
+            'balrog': 'you shall not pass!'
         }
         req = self._get('/stacks', params=params)
         mock_call.return_value = []
@@ -403,7 +403,7 @@ class StackControllerTest(tools.ControllerTest, common.HeatTestCase):
         for key in ('stack_identity', 'creation_time', 'updated_time',
                     'deletion_time', 'notification_topics', 'description',
                     'template_description', 'parameters', 'outputs',
-                    'capabilities', 'tags', 'barlog'):
+                    'capabilities', 'tags', 'balrog'):
             self.assertNotIn(key, filters)
 
     def test_index_returns_stack_count_if_with_count_is_true(
diff --git a/heat/tests/api/openstack_v1/test_util.py b/heat/tests/api/openstack_v1/test_util.py
index 39fc7e6f5..93930eccc 100644
--- a/heat/tests/api/openstack_v1/test_util.py
+++ b/heat/tests/api/openstack_v1/test_util.py
@@ -28,60 +28,60 @@ class TestGetAllowedParams(common.HeatTestCase):
         req = wsgi.Request({})
         self.params = req.params.copy()
         self.params.add('foo', 'foo value')
-        self.whitelist = {'foo': util.PARAM_TYPE_SINGLE}
+        self.param_types = {'foo': util.PARAM_TYPE_SINGLE}
 
     def test_returns_empty_dict(self):
-        self.whitelist = {}
+        self.param_types = {}
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertEqual({}, result)
 
-    def test_only_adds_whitelisted_params_if_param_exists(self):
-        self.whitelist = {'foo': util.PARAM_TYPE_SINGLE}
+    def test_only_adds_allowed_param_if_param_exists(self):
+        self.param_types = {'foo': util.PARAM_TYPE_SINGLE}
         self.params.clear()
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertNotIn('foo', result)
 
-    def test_returns_only_whitelisted_params(self):
+    def test_returns_only_allowed_params(self):
         self.params.add('bar', 'bar value')
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertIn('foo', result)
         self.assertNotIn('bar', result)
 
     def test_handles_single_value_params(self):
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertEqual('foo value', result['foo'])
 
     def test_handles_multiple_value_params(self):
-        self.whitelist = {'foo': util.PARAM_TYPE_MULTI}
+        self.param_types = {'foo': util.PARAM_TYPE_MULTI}
         self.params.add('foo', 'foo value 2')
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertEqual(2, len(result['foo']))
         self.assertIn('foo value', result['foo'])
         self.assertIn('foo value 2', result['foo'])
 
     def test_handles_mixed_value_param_with_multiple_entries(self):
-        self.whitelist = {'foo': util.PARAM_TYPE_MIXED}
+        self.param_types = {'foo': util.PARAM_TYPE_MIXED}
         self.params.add('foo', 'foo value 2')
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertEqual(2, len(result['foo']))
         self.assertIn('foo value', result['foo'])
         self.assertIn('foo value 2', result['foo'])
 
     def test_handles_mixed_value_param_with_single_entry(self):
-        self.whitelist = {'foo': util.PARAM_TYPE_MIXED}
+        self.param_types = {'foo': util.PARAM_TYPE_MIXED}
 
-        result = util.get_allowed_params(self.params, self.whitelist)
+        result = util.get_allowed_params(self.params, self.param_types)
         self.assertEqual('foo value', result['foo'])
 
-    def test_bogus_whitelist_items(self):
-        self.whitelist = {'foo': 'blah'}
+    def test_bogus_param_type(self):
+        self.param_types = {'foo': 'blah'}
         self.assertRaises(AssertionError, util.get_allowed_params,
-                          self.params, self.whitelist)
+                          self.params, self.param_types)
 
 
 class TestPolicyEnforce(common.HeatTestCase):