def get_endpoint(service_catalog):
"""
Select an endpoint from the service catalog
We search the full service catalog for services
matching both type and region. If the client
supplied no region then any endpoint for the service
is considered a match. There must be one -- and
only one -- successful match in the catalog,
otherwise we will raise an exception.
"""
region = self.creds.get('region')
service_type_matches = lambda s: s.get('type') == self.service_type
region_matches = lambda e: region is None or e['region'] == region
endpoints = [
ep for s in service_catalog if service_type_matches(s)
for ep in s['endpoints'] if region_matches(ep)
]
if len(endpoints) > 1:
raise exception.RegionAmbiguity(region=region)
elif not endpoints:
raise exception.NoServiceEndpoint()
else:
# FIXME(sirp): for now just use the public url.
return endpoints[0]['publicURL']
def test_openstack_exception_without_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(heat_exc.NoServiceEndpoint())
expected = {'code': 500,
'error': {'message': 'Response from Keystone does '
'not contain a Heat endpoint.',
'traceback': None,
'type': 'NoServiceEndpoint'},
'explanation': 'The server has either erred or is '
'incapable of performing the requested '
'operation.',
'title': 'Internal Server Error'}
self.assertEqual(msg, expected)