keystone 连不上

DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://controller:35357/v3/tokens
INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1):controller
DEBUG:requests.packages.urllib3.connectionpool:"POST /v3/tokens HTTP/1.1" 404 93
DEBUG:keystoneclient.session:Request returned failure status: 404
Authorization Failed: The resource could not be found. (HTTP 404) (Request-ID: req-0f0a7ac2-f96b-4931-bda6-ba2b055a8a8f)
[root@controller ~]#                 

keystone --debug user-list
/usr/lib/python2.7/site-packages/keystoneclient/shell.py:64: DeprecationWarning: The keystone CLI is deprecated in favor of python-openstackclient. For a Python library, continue using python-keystoneclient.
  'python-keystoneclient.', DeprecationWarning)
WARNING: unsupported identity-api-version 3, falling back to 2.0
/usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:145: DeprecationWarning: Constructing an instance of the keystoneclient.v2_0.client.Client class
without a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.
  'the 2.0.0 release.', DeprecationWarning)
/usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:147: DeprecationWarning: Using the 'tenant_name' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_name' argument instead
  super(Client, self).__init__(**kwargs)
/usr/lib/python2.7/site-packages/debtcollector/renames.py:45: DeprecationWarning: Using the 'tenant_id' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_id' argument instead
  return f(*args, **kwargs)
/usr/lib/python2.7/site-packages/keystoneclient/httpclient.py:371: DeprecationWarning: Constructing an HTTPClient instance without using a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.
  'the 2.0.0 release.', DeprecationWarning)
/usr/lib/python2.7/site-packages/keystoneclient/session.py:145: DeprecationWarning: keystoneclient.session.Session is deprecated as of the 2.1.0 release in favor of keystoneauth1.session.Session. It will be removed in future releases.
  DeprecationWarning)
/usr/lib/python2.7/site-packages/keystoneclient/auth/identity/base.py:56: DeprecationWarning: keystoneclient auth plugins are deprecated as of the 2.1.0 release in favor of keystoneauth1 plugins. They will be removed in future releases.
  'in future releases.', DeprecationWarning)
DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://controller:35357/v3/tokens
INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1):controller
DEBUG:requests.packages.urllib3.connectionpool:"POST /v3/tokens HTTP/1.1" 404 93
DEBUG:keystoneclient.session:Request returned failure status: 404
Authorization Failed: The resource could not be found. (HTTP 404) (Request-ID: req-8d782c16-4a1d-4c59-8171-868985ac2039)
[root@controller ~]#                             

先看看keystone组件是否正常，比如查看下用户等。