krenair@deployment-cache-text04:~$ python
Python 2.7.9 (default, Jun 29 2016, 13:08:31) 
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from keystoneclient.session import Session as KeystoneSession
>>> from keystoneclient.auth.identity.v3 import Password as KeystonePassword
>>> from keystoneclient.v3 import Client as KeystoneClient
>>> 
>>> import designateclient.v1
>>> 
>>> keystone_session = KeystoneSession(auth=KeystonePassword(
...     auth_url="http://labcontrol1001.wikimedia.org:5000/v3",
...     username="deployment-prep-dns-manager",
...     password='redacted',
...     project_name='deployment-prep',
...     user_domain_name='default',
...     project_domain_name='default'
... ))
>>> 
>>> keystone_client = KeystoneClient(
...     session=keystone_session,
...     endpoint="http://labcontrol1001.wikimedia.org:5000/v3",
...     interface='public'
... )
>>> designate_service, = keystone_client.services.list(type='dns')
>>> designate_endpoint, = keystone_client.endpoints.list(service=designate_service, interface='public')
>>> 
>>> client = designateclient.v1.Client(token=keystone_session.get_token(), endpoint=designate_endpoint.url)
>>> client.domains.list()
[{u'description': None, u'created_at': u'2016-03-22T20:30:59.000000', u'updated_at': u'2018-06-02T01:32:09.000000', u'email': u'root@wmflabs.org', u'ttl': 120, u'serial': 1527903109, u'id': u'd32662fa-9529-4310-bc11-035a0181b89c', u'name': u'deployment-prep.wmflabs.org.'}, {u'description': None, u'created_at': u'2016-03-25T15:43:38.000000', u'updated_at': u'2018-05-30T20:33:05.000000', u'email': u'root@wmflabs.org', u'ttl': 120, u'serial': 1527712364, u'id': u'4482e09c-3d25-447f-b8e2-5aa2a105b60e', u'name': u'beta.wmflabs.org.'}]