def test_handle_status_change(self):
event = {'change_type': 'UP', 'address': ('1.2.3.4', 9000)}
self.cluster.scheduler.reset_mock()
self.control_connection._handle_status_change(event)
self.cluster.scheduler.schedule_unique.assert_called_once_with(
ANY, self.control_connection.refresh_node_list_and_token_map)
# do the same with a known Host
event = {'change_type': 'UP', 'address': ('192.168.1.0', 9000)}
self.cluster.scheduler.reset_mock()
self.control_connection._handle_status_change(event)
host = self.cluster.metadata.hosts[DefaultEndPoint('192.168.1.0')]
self.cluster.scheduler.schedule_unique.assert_called_once_with(
ANY, self.cluster.on_up, host)
self.cluster.scheduler.schedule.reset_mock()
event = {'change_type': 'DOWN', 'address': ('1.2.3.4', 9000)}
self.control_connection._handle_status_change(event)
self.assertFalse(self.cluster.scheduler.schedule.called)
# do the same with a known Host
event = {'change_type': 'DOWN', 'address': ('192.168.1.0', 9000)}
self.control_connection._handle_status_change(event)
host = self.cluster.metadata.hosts[DefaultEndPoint('192.168.1.0')]
self.assertIs(host, self.cluster.down_host)
def test_default_endpoint_properties(self):
endpoint = DefaultEndPoint('10.0.0.1')
self.assertEqual(endpoint.address, '10.0.0.1')
self.assertEqual(endpoint.port, 9042)
self.assertEqual(str(endpoint), '10.0.0.1:9042')
endpoint = DefaultEndPoint('10.0.0.1', 8888)
self.assertEqual(endpoint.address, '10.0.0.1')
self.assertEqual(endpoint.port, 8888)
self.assertEqual(str(endpoint), '10.0.0.1:8888')
def test_connection_endpoint(self):
endpoint = DefaultEndPoint('1.2.3.4')
c = Connection(endpoint)
self.assertEqual(c.endpoint, endpoint)
self.assertEqual(c.endpoint.address, endpoint.address)
c = Connection(host=endpoint) # kwarg
self.assertEqual(c.endpoint, endpoint)
self.assertEqual(c.endpoint.address, endpoint.address)
c = Connection('10.0.0.1')
endpoint = DefaultEndPoint('10.0.0.1')
self.assertEqual(c.endpoint, endpoint)
self.assertEqual(c.endpoint.address, endpoint.address)
def __init__(self):
self.endpoint = DefaultEndPoint("192.168.1.0")
self.local_results = [[
"schema_version", "cluster_name", "data_center", "rack",
"partitioner", "release_version", "tokens"
],
[[
"a", "foocluster", "dc1", "rack1",
"Murmur3Partitioner", "2.2.0",
["0", "100", "200"]
]]]
self.peer_results = [[
"rpc_address", "peer", "schema_version", "data_center", "rack",
"tokens"
],
[[
"192.168.1.1", "10.0.0.1", "a", "dc1",
"rack1", ["1", "101", "201"]
],
[
"192.168.1.2", "10.0.0.2", "a", "dc1",
"rack1", ["2", "102", "202"]
]]]
self.wait_for_responses = Mock(return_value=_node_meta_results(
self.local_results, self.peer_results))
def test_predicate_changes(self):
"""
Test to validate host filter reacts correctly when the predicate return
a different subset of the hosts
HostFilterPolicy
@since 3.8
@jira_ticket PYTHON-961
@expected_result the excluded hosts are ignored
@test_category policy
"""
external_event = True
contact_point = DefaultEndPoint("127.0.0.1")
single_host = {Host(contact_point, SimpleConvictionPolicy)}
all_hosts = {
Host(DefaultEndPoint("127.0.0.{}".format(i)),
SimpleConvictionPolicy)
for i in (1, 2, 3)
}
predicate = lambda host: host.endpoint == contact_point if external_event else True
hfp = ExecutionProfile(load_balancing_policy=HostFilterPolicy(
RoundRobinPolicy(), predicate=predicate))
cluster = Cluster((contact_point, ),
execution_profiles={EXEC_PROFILE_DEFAULT: hfp},
protocol_version=PROTOCOL_VERSION,
topology_event_refresh_window=0,
status_event_refresh_window=0)
session = cluster.connect(wait_for_all_pools=True)
queried_hosts = set()
for _ in range(10):
response = session.execute("SELECT * from system.local")
queried_hosts.update(response.response_future.attempted_hosts)
self.assertEqual(queried_hosts, single_host)
external_event = False
futures = session.update_created_pools()
wait_futures(futures, timeout=cluster.connect_timeout)
queried_hosts = set()
for _ in range(10):
response = session.execute("SELECT * from system.local")
queried_hosts.update(response.response_future.attempted_hosts)
self.assertEqual(queried_hosts, all_hosts)
def make_connection(self):
c = self.connection_class(DefaultEndPoint('1.2.3.4'),
cql_version='3.0.1',
connect_timeout=5)
mocket = Mock()
mocket.send.side_effect = lambda x: len(x)
self.set_socket(c, mocket)
return c
def test_endpoint_equality(self):
self.assertEqual(DefaultEndPoint('10.0.0.1'),
DefaultEndPoint('10.0.0.1'))
self.assertEqual(DefaultEndPoint('10.0.0.1'),
DefaultEndPoint('10.0.0.1', 9042))
self.assertNotEqual(DefaultEndPoint('10.0.0.1'),
DefaultEndPoint('10.0.0.2'))
self.assertNotEqual(DefaultEndPoint('10.0.0.1'),
DefaultEndPoint('10.0.0.1', 0000))
def __init__(self, endpoint, conviction_policy_factory, datacenter=None, rack=None, host_id=None):
if endpoint is None:
raise ValueError("endpoint may not be None")
if conviction_policy_factory is None:
raise ValueError("conviction_policy_factory may not be None")
self.endpoint = endpoint if isinstance(endpoint, EndPoint) else DefaultEndPoint(endpoint)
self.conviction_policy = conviction_policy_factory(self)
self.host_id = host_id
self.set_location_info(datacenter, rack)
self.lock = RLock()
def setUp(self):
if twistedreactor is None:
raise unittest.SkipTest("Twisted libraries not available")
twistedreactor.TwistedConnection.initialize_reactor()
self.reactor_cft_patcher = patch(
'twisted.internet.reactor.callFromThread')
self.reactor_run_patcher = patch('twisted.internet.reactor.run')
self.mock_reactor_cft = self.reactor_cft_patcher.start()
self.mock_reactor_run = self.reactor_run_patcher.start()
self.obj_ut = twistedreactor.TwistedConnection(
DefaultEndPoint('1.2.3.4'), cql_version='3.0.1')
def test_wait_for_schema_agreement_rpc_lookup(self):
"""
If the rpc_address is 0.0.0.0, the "peer" column should be used instead.
"""
self.connection.peer_results[1].append(
["0.0.0.0", PEER_IP, "b", "dc1", "rack1", ["3", "103", "203"]])
host = Host(DefaultEndPoint("0.0.0.0"), SimpleConvictionPolicy)
self.cluster.metadata.hosts[DefaultEndPoint("foobar")] = host
host.is_up = False
# even though the new host has a different schema version, it's
# marked as down, so the control connection shouldn't care
self.assertTrue(self.control_connection.wait_for_schema_agreement())
self.assertEqual(self.time.clock, 0)
# but once we mark it up, the control connection will care
host.is_up = True
self.assertFalse(self.control_connection.wait_for_schema_agreement())
self.assertGreaterEqual(self.time.clock,
self.cluster.max_schema_agreement_wait)
def test_timeout(self, *args):
request_id = 999
get_holders = self.make_get_holders(1)
def send_msg(msg, req_id, msg_callback):
pass
# we used endpoint=X here because it's a mock and we need connection.endpoint to be set
connection = Mock(spec=Connection,
endpoint=DefaultEndPoint('localhost'),
max_request_id=127,
lock=Lock(),
in_flight=0,
is_idle=True,
is_defunct=False,
is_closed=False,
get_request_id=lambda: request_id,
send_msg=Mock(side_effect=send_msg))
holder = get_holders.return_value[0]
holder.get_connections.return_value.append(connection)
self.run_heartbeat(get_holders)
self.assertEqual(connection.in_flight, get_holders.call_count)
connection.send_msg.assert_has_calls([call(ANY, request_id, ANY)] *
get_holders.call_count)
connection.defunct.assert_has_calls([call(ANY)] *
get_holders.call_count)
exc = connection.defunct.call_args_list[0][0][0]
self.assertIsInstance(exc, OperationTimedOut)
self.assertEqual(exc.errors,
'Connection heartbeat timeout after 0.05 seconds')
self.assertEqual(exc.last_host, DefaultEndPoint('localhost'))
holder.return_connection.assert_has_calls([call(connection)] *
get_holders.call_count)
def test_wait_for_schema_agreement_skipping(self):
"""
If rpc_address or schema_version isn't set, the host should be skipped
"""
# an entry with no schema_version
self.connection.peer_results[1].append([
"192.168.1.3", "10.0.0.3", None, "dc1", "rack1",
["3", "103", "203"]
])
# an entry with a different schema_version and no rpc_address
self.connection.peer_results[1].append(
[None, None, "b", "dc1", "rack1", ["4", "104", "204"]])
# change the schema version on one of the existing entries
self.connection.peer_results[1][1][3] = 'c'
self.cluster.metadata.get_host(
DefaultEndPoint('192.168.1.1')).is_up = False
self.assertTrue(self.control_connection.wait_for_schema_agreement())
self.assertEqual(self.time.clock, 0)
def __init__(self):
self.hosts = {
DefaultEndPoint("192.168.1.0"):
Host(DefaultEndPoint("192.168.1.0"), SimpleConvictionPolicy),
DefaultEndPoint("192.168.1.1"):
Host(DefaultEndPoint("192.168.1.1"), SimpleConvictionPolicy),
DefaultEndPoint("192.168.1.2"):
Host(DefaultEndPoint("192.168.1.2"), SimpleConvictionPolicy)
}
for host in self.hosts.values():
host.set_up()
self.cluster_name = None
self.partitioner = None
self.token_map = {}
def validate_ssl_options(**kwargs):
ssl_options = kwargs.get('ssl_options', None)
ssl_context = kwargs.get('ssl_context', None)
hostname = kwargs.get('hostname', '127.0.0.1')
# find absolute path to client CA_CERTS
tries = 0
while True:
if tries > 5:
raise RuntimeError(
"Failed to connect to SSL cluster after 5 attempts")
try:
cluster = Cluster(contact_points=[DefaultEndPoint(hostname)],
protocol_version=PROTOCOL_VERSION,
ssl_options=ssl_options,
ssl_context=ssl_context)
session = cluster.connect(wait_for_all_pools=True)
break
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warning("{0}: {1} Backtrace: {2}".format(
ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
tries += 1
# attempt a few simple commands.
insert_keyspace = """CREATE KEYSPACE ssltest
WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '3'}
"""
statement = SimpleStatement(insert_keyspace)
statement.consistency_level = 3
session.execute(statement)
drop_keyspace = "DROP KEYSPACE ssltest"
statement = SimpleStatement(drop_keyspace)
statement.consistency_level = ConsistencyLevel.ANY
session.execute(statement)
cluster.shutdown()
def test_endpoint_resolve(self):
self.assertEqual(
DefaultEndPoint('10.0.0.1').resolve(), ('10.0.0.1', 9042))
self.assertEqual(
DefaultEndPoint('10.0.0.1', 3232).resolve(), ('10.0.0.1', 3232))
def setUp(self):
self.connection = self.connection_class(DefaultEndPoint("127.0.0.1"),
connect_timeout=5)
def make_connection(self):
c = Connection(DefaultEndPoint('1.2.3.4'))
c._socket = Mock()
c._socket.send.side_effect = lambda x: len(x)
return c
