def get_api_servers(context):
"""Shuffle a list of service endpoints and return an iterator that will
cycle through the list, looping around to the beginning if necessary.
"""
# NOTE(efried): utils.get_ksa_adapter().get_endpoint() is the preferred
# mechanism for endpoint discovery. Only use `api_servers` if you really
# need to shuffle multiple endpoints.
if CONF.glance.api_servers:
api_servers = CONF.glance.api_servers
random.shuffle(api_servers)
else:
sess, auth = _session_and_auth(context)
ksa_adap = utils.get_ksa_adapter(
nova.conf.glance.DEFAULT_SERVICE_TYPE,
ksa_auth=auth, ksa_session=sess,
min_version='2.0', max_version='2.latest')
endpoint = utils.get_endpoint(ksa_adap)
if endpoint:
# NOTE(mriedem): Due to python-glanceclient bug 1707995 we have
# to massage the endpoint URL otherwise it won't work properly.
# We can't use glanceclient.common.utils.strip_version because
# of bug 1748009.
endpoint = re.sub(r'/v\d+(\.\d+)?/?$', '/', endpoint)
api_servers = [endpoint]
return itertools.cycle(api_servers)
def get_api_servers(context):
"""Shuffle a list of service endpoints and return an iterator that will
cycle through the list, looping around to the beginning if necessary.
"""
# NOTE(efried): utils.get_ksa_adapter().get_endpoint() is the preferred
# mechanism for endpoint discovery. Only use `api_servers` if you really
# need to shuffle multiple endpoints.
if CONF.glance.api_servers:
api_servers = CONF.glance.api_servers
random.shuffle(api_servers)
else:
sess, auth = _session_and_auth(context)
ksa_adap = utils.get_ksa_adapter(nova.conf.glance.DEFAULT_SERVICE_TYPE,
ksa_auth=auth,
ksa_session=sess,
min_version='2.0',
max_version='2.latest')
endpoint = utils.get_endpoint(ksa_adap)
if endpoint:
# NOTE(mriedem): Due to python-glanceclient bug 1707995 we have
# to massage the endpoint URL otherwise it won't work properly.
# We can't use glanceclient.common.utils.strip_version because
# of bug 1748009.
endpoint = re.sub(r'/v\d+(\.\d+)?/?$', '/', endpoint)
api_servers = [endpoint]
return itertools.cycle(api_servers)
def test_image_bad(self):
self.adap.service_type = 'image'
self.adap.get_endpoint_data.side_effect = AttributeError
self.adap.get_endpoint.return_value = 'url'
self.assertEqual('url', utils.get_endpoint(self.adap))
self.adap.get_endpoint_data.assert_called_once_with()
self.adap.get_endpoint.assert_called_once_with()
def get_api_servers(context):
"""Shuffle a list of service endpoints and return an iterator that will
cycle through the list, looping around to the beginning if necessary.
"""
# NOTE(efried): utils.get_ksa_adapter().get_endpoint() is the preferred
# mechanism for endpoint discovery. Only use `api_servers` if you really
# need to shuffle multiple endpoints.
if CONF.glance.api_servers:
api_servers = CONF.glance.api_servers
random.shuffle(api_servers)
else:
sess, auth = _session_and_auth(context)
ksa_adap = utils.get_ksa_adapter(
nova.conf.glance.DEFAULT_SERVICE_TYPE,
ksa_auth=auth, ksa_session=sess,
min_version='2.0', max_version='2.latest')
api_servers = [utils.get_endpoint(ksa_adap)]
return itertools.cycle(api_servers)
def test_nonimage_good(self):
self.adap.get_endpoint.return_value = 'url'
self.assertEqual('url', utils.get_endpoint(self.adap))
self.adap.get_endpoint_data.assert_not_called()
self.adap.get_endpoint.assert_called_once_with()
def test_image_good(self):
self.adap.service_type = 'image'
self.adap.get_endpoint_data.return_value.catalog_url = 'url'
self.assertEqual('url', utils.get_endpoint(self.adap))
self.adap.get_endpoint_data.assert_called_once_with()
self.adap.get_endpoint.assert_not_called()
def test_endpoint_override(self):
self.adap.endpoint_override = 'foo'
self.assertEqual('foo', utils.get_endpoint(self.adap))
self.adap.get_endpoint_data.assert_not_called()
self.adap.get_endpoint.assert_not_called()