######################## Python code #############################################################
import os
from neutronclient.v2_0 import client as neutronclient
from keystoneclient.v3 import client as keystoneclient
from keystoneauth1 import session
from keystoneauth1.identity import v3

# Load environment variables
username=os.environ['OS_USERNAME']
password=os.environ['OS_PASSWORD']
project_id=os.environ['OS_PROJECT_ID']
user_domain_name=os.environ['OS_USER_DOMAIN_NAME']
auth_url=os.environ['OS_AUTH_URL']

auth = v3.Password(auth_url=auth_url,
                    username=username,
                    password=password,
                    project_id=project_id,
                    user_domain_name=user_domain_name)
sess = session.Session(auth=auth)

keystone = keystoneclient.Client(session=sess)
print keystone.projects.list()


###############################################################################################
root@myjump:/tmp# python test.py

^CTraceback (most recent call last):
  File "test.py", line 26, in <module>
    print keystone.projects.list()
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/v3/projects.py", line 119, in list
    **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/base.py", line 74, in func
    return f(*args, **new_kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/base.py", line 386, in list
    self.collection_key)
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/base.py", line 124, in _list
    resp, body = self.client.get(url, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 216, in get
    return self.request(url, 'GET', **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 373, in request
    resp = super(LegacyJsonAdapter, self).request(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 141, in request
    return self.session.request(url, method, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 489, in request
    **endpoint_filter)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 808, in get_endpoint
    return auth.get_endpoint(self, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/identity/base.py", line 232, in get_endpoint
    disc = self.get_discovery(session, hacked_url, authenticated=False)
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/identity/base.py", line 319, in get_discovery
    authenticated=authenticated)
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/discover.py", line 140, in __init__
    authenticated=authenticated)
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/discover.py", line 40, in get_version_data
    resp = session.get(url, headers=headers, authenticated=authenticated)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 710, in get
    return self.request(url, 'GET', **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 592, in request
    resp = send(**kwargs)
  File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 626, in _send_request
    resp = self.session.request(method, url, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 488, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 609, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/adapters.py", line 423, in send
    timeout=timeout
  File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connectionpool.py", line 594, in urlopen
    chunked=chunked)
  File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connectionpool.py", line 361, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib/python2.7/httplib.py", line 1057, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python2.7/httplib.py", line 1097, in _send_request
    self.endheaders(body)
  File "/usr/lib/python2.7/httplib.py", line 1053, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python2.7/httplib.py", line 897, in _send_output
    self.send(msg)
  File "/usr/lib/python2.7/httplib.py", line 859, in send
    self.connect()
  File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connection.py", line 163, in connect
    conn = self._new_conn()
  File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connection.py", line 138, in _new_conn
    (self.host, self.port), self.timeout, **extra_kw)
  File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/util/connection.py", line 88, in create_connection
    sock.connect(sa)
  File "/usr/lib/python2.7/socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
KeyboardInterrupt