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[Eugene Nikanorov <enikanorov@xxxxxxxxxxxx>]

what auth_url are you providing when making the call?

** Project changed: neutron => python-neutronclient

** Changed in: python-neutronclient
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1450414

Title:
  can't get authentication with os-token and os-url

Status in Python client library for Neutron:
  Incomplete

Bug description:
  Hi, I can't get authentication with os-token and os-url on Juno
  pythone-neutronclient.

  On Icehouse, with os-token and os-url, we can get authentication.
  [root@compute01 ~]# neutron --os-token $token --os-url http://controller:9696 net-list
  +--------------------------------------+--------------+------------------------------------------------------+
  | id                                   | name         | subnets                                              |
  +--------------------------------------+--------------+------------------------------------------------------+
  | 06c5d426-ec2c-4a19-a5c9-cfd21cfb5a0c | ext-net      | 38d87619-9c76-481f-bfe8-b301e05693d9 193.160.15.0/24 |
  +--------------------------------------+--------------+------------------------------------------------------+

  But on Juno, it failed. The detail :
  [root@compute01 ~]# neutron --os-token $token --os-url http://controller:9696 net-list --debug 
  ERROR: neutronclient.shell Unable to determine the Keystone version to authenticate with using the given auth_url. Identity service may not support API version discovery. Please provide a versioned auth_url instead. 
  Traceback (most recent call last):
     File "/usr/lib/python2.6/site-packages/neutronclient/shell.py", line 666, in run 
       self.initialize_app(remainder)
     File "/usr/lib/python2.6/site-packages/neutronclient/shell.py", line 808, in initialize_app
       self.authenticate_user()
     File "/usr/lib/python2.6/site-packages/neutronclient/shell.py", line 761, in authenticate_user
       auth_session = self._get_keystone_session()
     File "/usr/lib/python2.6/site-packages/neutronclient/shell.py", line 904, in _get_keystone_session
       auth_url=self.options.os_auth_url)
     File "/usr/lib/python2.6/site-packages/neutronclient/shell.py", line 889, in _discover_auth_versions
       raise exc.CommandError(msg)
   CommandError: Unable to determine the Keystone version to authenticate with using the given auth_url. Identity service may not support API version discovery. Please provide a versioned auth_url instead. 
  Unable to determine the Keystone version to authenticate with using the given auth_url. Identity service may not support API version discovery. Please provide a versioned auth_url instead. 

  
  my solution is this:
  On /usr/lib/python2.6/site-packages/neutronclient/shell.py, modify the authenticate_user(self) method.

   Origin:
   auth_session = self._get_keystone_session()

  Modified: 
          auth_session = None
          auth = None
          if not self.options.os_token:
              auth_session = self._get_keystone_session()
              auth = auth_session.auth

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