def test_create_node_invalid_driver(self):
ndict = post_get_test_node()
self.mock_gtf.side_effect = exception.NoValidHost('Fake Error')
response = self.post_json('/nodes', ndict, expect_errors=True)
self.assertEqual(400, response.status_int)
self.assertEqual('application/json', response.content_type)
self.assertTrue(response.json['error_message'])
def test_update_fails_bad_driver(self):
self.mock_gtf.side_effect = exception.NoValidHost('Fake Error')
response = self.patch_json('/nodes/%s' % self.node['uuid'],
[{'path': '/driver',
'value': 'bad-driver',
'op': 'replace'}],
expect_errors=True)
self.assertEqual('application/json', response.content_type)
self.assertEqual(400, response.status_code)
def get_topic_for(self, node):
"""Get the RPC topic for the conductor service which the node
is mapped to.
:param node: a node object.
:returns: an RPC topic string.
:raises: NoValidHost
"""
try:
ring = self.ring_manager.get_hash_ring(node.driver)
dest = ring.get_hosts(node.uuid)
return self.topic + "." + dest[0]
except exception.DriverNotFound:
reason = (_('No conductor service registered which supports '
'driver %s.') % node.driver)
raise exception.NoValidHost(reason=reason)
def get_topic_for(self, node):
"""Get the RPC topic for the conductor service the node is mapped to.
:param node: a node object.
:returns: an RPC topic string.
:raises: NoValidHost
"""
self.ring_manager.reset()
try:
ring = self.ring_manager[node.driver]
dest = ring.get_nodes(node.uuid.encode('utf-8'),
replicas=CONF.hash_distribution_replicas)
return '%s.%s' % (self.topic, dest.pop())
except exception.DriverNotFound:
reason = (_('No conductor service registered which supports '
'driver %s.') % node.driver)
raise exception.NoValidHost(reason=reason)
