[
https://issues.apache.org/jira/browse/KAFKA-17084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Luke Chen resolved KAFKA-17084.
-------------------------------
Fix Version/s: 3.8.0
Resolution: Not A Problem
> Network Degrade Test fails in System Tests
> ------------------------------------------
>
> Key: KAFKA-17084
> URL: https://issues.apache.org/jira/browse/KAFKA-17084
> Project: Kafka
> Issue Type: Bug
> Components: system tests
> Affects Versions: 3.8.0
> Reporter: Josep Prat
> Priority: Critical
> Fix For: 3.8.0
>
> Attachments: TEST-kafka.xml
>
>
> Tests for NetworkDegradeTest fail consistently on the 3.8 branch.
>
> Tests failing are:
>
> {noformat}
> Module: kafkatest.tests.core.network_degrade_test
> Class: NetworkDegradeTest
> Method: test_latency
> Arguments:
> {
> "device_name": "eth0",
> "latency_ms": 50,
> "rate_limit_kbit": 1000,
> "task_name": "latency-100-rate-1000"
> }
> {noformat}
>
> and
>
> {noformat}
> Module: kafkatest.tests.core.network_degrade_test
> Class: NetworkDegradeTest
> Method: test_latency
> Arguments:
> {
> "device_name": "eth0",
> "latency_ms": 50,
> "rate_limit_kbit": 0,
> "task_name": "latency-100"
> }
> {noformat}
>
> Failure for the first one is:
> {noformat}
> RemoteCommandError({'ssh_config': {'host': 'worker30', 'hostname':
> '10.140.34.105', 'user': 'ubuntu', 'port': 22, 'password': None,
> 'identityfile': '/home/semaphore/kafka-overlay/semaphore-muckrake.pem'},
> 'hostname': 'worker30', 'ssh_hostname': '10.140.34.105', 'user': 'ubuntu',
> 'externally_routable_ip': '10.140.34.105', '_logger': <Logger
> kafkatest.tests.core.network_degrade_test.NetworkDegradeTest.test_latency.task_name=latency-100-rate-1000.device_name=eth0.latency_ms=50.rate_limit_kbit=1000-1790
> (DEBUG)>, 'os': 'linux', '_ssh_client': <paramiko.client.SSHClient object at
> 0x7f17a237dc10>, '_sftp_client': <paramiko.sftp_client.SFTPClient object at
> 0x7f17a2393910>, '_custom_ssh_exception_checks': None}, 'ping -i 1 -c 20
> worker21', 1, b'')
> Traceback (most recent call last):
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
> line 184, in _do_run
> data = self.run_test()
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
> line 262, in run_test
> return self.test_context.function(self.test)
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/mark/_mark.py",
> line 433, in wrapper
> return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
> File
> "/home/semaphore/kafka-overlay/kafka/tests/kafkatest/tests/core/network_degrade_test.py",
> line 66, in test_latency
> for line in zk0.account.ssh_capture("ping -i 1 -c 20 %s" %
> zk1.account.hostname):
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/cluster/remoteaccount.py",
> line 680, in next
> return next(self.iter_obj)
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/cluster/remoteaccount.py",
> line 347, in output_generator
> raise RemoteCommandError(self, cmd, exit_status, stderr.read())
> ducktape.cluster.remoteaccount.RemoteCommandError: ubuntu@worker30: Command
> 'ping -i 1 -c 20 worker21' returned non-zero exit status 1.{noformat}
> And for the second one is:
> {noformat}
> RemoteCommandError({'ssh_config': {'host': 'worker28', 'hostname':
> '10.140.41.79', 'user': 'ubuntu', 'port': 22, 'password': None,
> 'identityfile': '/home/semaphore/kafka-overlay/semaphore-muckrake.pem'},
> 'hostname': 'worker28', 'ssh_hostname': '10.140.41.79', 'user': 'ubuntu',
> 'externally_routable_ip': '10.140.41.79', '_logger': <Logger
> kafkatest.tests.core.network_degrade_test.NetworkDegradeTest.test_latency.task_name=latency-100.device_name=eth0.latency_ms=50.rate_limit_kbit=0-1791
> (DEBUG)>, 'os': 'linux', '_ssh_client': <paramiko.client.SSHClient object at
> 0x7f17a1c7b7c0>, '_sftp_client': <paramiko.sftp_client.SFTPClient object at
> 0x7f17a1c7b2b0>, '_custom_ssh_exception_checks': None}, 'ping -i 1 -c 20
> worker27', 1, b'')
> Traceback (most recent call last):
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
> line 184, in _do_run
> data = self.run_test()
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
> line 262, in run_test
> return self.test_context.function(self.test)
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/mark/_mark.py",
> line 433, in wrapper
> return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
> File
> "/home/semaphore/kafka-overlay/kafka/tests/kafkatest/tests/core/network_degrade_test.py",
> line 66, in test_latency
> for line in zk0.account.ssh_capture("ping -i 1 -c 20 %s" %
> zk1.account.hostname):
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/cluster/remoteaccount.py",
> line 680, in next
> return next(self.iter_obj)
> File
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/cluster/remoteaccount.py",
> line 347, in output_generator
> raise RemoteCommandError(self, cmd, exit_status, stderr.read())
> ducktape.cluster.remoteaccount.RemoteCommandError: ubuntu@worker28: Command
> 'ping -i 1 -c 20 worker27' returned non-zero exit status 1.{noformat}
>
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