Refactor: Rename auth controller to token controller

- All other controllers are named after the entity they
  manage. This makes it easier to understand what this
  controller does.

Change-Id: Icc940f181fd91e340e7a10dfe1849a43180ea565

keystone/controllers/token.py

@@ -1,3 +1,29 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+#
+# Copyright (c) 2010-2011 OpenStack, LLC.
+#
+# 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.
+
+
+"""
+Token Controller
+
+This module contains the TokenController class which receives token-related
+calls from the request routers.
+
+"""
+
 from keystone import utils
 from keystone.common import wsgi
 from keystone.logic.types import auth
@@ -6,7 +32,7 @@ import keystone.config as config
 from . import get_marker_limit_and_url
 
 
-class AuthController(wsgi.Controller):
+class TokenController(wsgi.Controller):
     """Controller for token related operations"""
 
     def __init__(self, options):

keystone/routers/admin.py

@@ -19,7 +19,7 @@ import routes
 
 from keystone.common import wsgi
 import keystone.backends as db
-from keystone.controllers.auth import AuthController
+from keystone.controllers.token import TokenController
 from keystone.controllers.roles import RolesController
 from keystone.controllers.staticfiles import StaticFilesController
 from keystone.controllers.tenant import TenantController
@@ -38,7 +38,7 @@ class AdminApi(wsgi.Router):
         db.configure_backends(options)
 
         # Token Operations
-        auth_controller = AuthController(options)
+        auth_controller = TokenController(options)
         mapper.connect("/tokens", controller=auth_controller,
                        action="authenticate",
                        conditions=dict(method=["POST"]))

keystone/routers/service.py

@@ -19,7 +19,7 @@ import routes
 
 from keystone.common import wsgi
 import keystone.backends as db
-from keystone.controllers.auth import AuthController
+from keystone.controllers.token import TokenController
 from keystone.controllers.tenant import TenantController
 from keystone.controllers.version import VersionController
 from keystone.controllers.staticfiles import StaticFilesController
@@ -36,7 +36,7 @@ class ServiceApi(wsgi.Router):
         db.configure_backends(options)
 
         # Token Operations
-        auth_controller = AuthController(options)
+        auth_controller = TokenController(options)
         mapper.connect("/tokens", controller=auth_controller,
                        action="authenticate",
                        conditions=dict(method=["POST"]))