from keystoneauth1 import loading
from keystoneauth1 import session
from heatclient import client
from novaclient import client as nova_client

AUTH_URL = 'http://10.26.12.31:5000/v3'
USERNAME = 'test'
PASSWORD = 'test'
PROJECT_NAME = 'test'
USER_DOMAIN_NAME = 'Default'
PROJECT_DOMAIN_NAME = 'Default'

loader = loading.get_plugin_loader('password')
auth = loader.load_from_options(auth_url=AUTH_URL,
                                 username=USERNAME, project_domain_name=PROJECT_DOMAIN_NAME,
                                 password=PASSWORD, user_domain_name=USER_DOMAIN_NAME,
                                 project_name=PROJECT_NAME)

sess = session.Session(auth=auth)
nova = nova_client.Client('2', session=sess)

# Works fine
print nova.servers.list()

# keystoneauth1.exceptions.catalog.EndpointNotFound: Could not find requested endpoint in Service Catalog.
heat = client.Client('1', session=sess)
for stack in heat.stacks.list():
    print stack