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我在两个 AWS EC2 实例上运行的集群环境中运行 Airflow。一份给主人,一份给 worker 。工作节点在运行“$airflow worker”时会定期抛出此错误:
[2018-08-09 16:15:43,553] {jobs.py:2574} WARNING - The recorded hostname ip-1.2.3.4 does not match this instance's hostname ip-1.2.3.4.eco.tanonprod.comanyname.io
Traceback (most recent call last):
File "/usr/bin/airflow", line 27, in <module>
args.func(args)
File "/usr/local/lib/python3.6/site-packages/airflow/bin/cli.py", line 387, in run
run_job.run()
File "/usr/local/lib/python3.6/site-packages/airflow/jobs.py", line 198, in run
self._execute()
File "/usr/local/lib/python3.6/site-packages/airflow/jobs.py", line 2527, in _execute
self.heartbeat()
File "/usr/local/lib/python3.6/site-packages/airflow/jobs.py", line 182, in heartbeat
self.heartbeat_callback(session=session)
File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 50, in wrapper
result = func(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/airflow/jobs.py", line 2575, in heartbeat_callback
raise AirflowException("Hostname of job runner does not match")
airflow.exceptions.AirflowException: Hostname of job runner does not match
[2018-08-09 16:15:43,671] {celery_executor.py:54} ERROR - Command 'airflow run arl_source_emr_test_dag runEmrStep2WaiterTask 2018-08-07T00:00:00 --local -sd /var/lib/airflow/dags/arl_source_emr_test_dag.py' returned non-zero exit status 1.
[2018-08-09 16:15:43,681: ERROR/ForkPoolWorker-30] Task airflow.executors.celery_executor.execute_command[875a4da9-582e-4c10-92aa-5407f3b46d5f] raised unexpected: AirflowException('Celery command failed',)
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/airflow/executors/celery_executor.py", line 52, in execute_command
subprocess.check_call(command, shell=True)
File "/usr/lib64/python3.6/subprocess.py", line 291, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command 'airflow run arl_source_emr_test_dag runEmrStep2WaiterTask 2018-08-07T00:00:00 --local -sd /var/lib/airflow/dags/arl_source_emr_test_dag.py' returned non-zero exit status 1.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.6/dist-packages/celery/app/trace.py", line 382, in trace_task
R = retval = fun(*args, **kwargs)
File "/usr/lib/python3.6/dist-packages/celery/app/trace.py", line 641, in __protected_call__
return self.run(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/airflow/executors/celery_executor.py", line 55, in execute_command
raise AirflowException('Celery command failed')
airflow.exceptions.AirflowException: Celery command failed
ip-1.2.3.4.eco.tanonprod.comanyname.io
.看起来它在某个地方想要这个全名,但我不知道我需要在哪里修复这个值,以便它得到
ip-1.2.3.4.eco.tanonprod.comanyname.io
而不仅仅是
ip-1.2.3.4
.
最佳答案
主机名在任务实例运行时设置,设置为 self.hostname = socket.getfqdn()
,其中 socket 是 python 包 import socket
.
触发此错误的比较是:
fqdn = socket.getfqdn()
if fqdn != ti.hostname:
logging.warning("The recorded hostname {ti.hostname} "
"does not match this instance's hostname "
"{fqdn}".format(**locals()))
raise AirflowException("Hostname of job runner does not match")
关于 Airflow 异常 : Celery command failed - The recorded hostname does not match this instance's hostname,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51775370/
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