TypeError: 'OSError' object is not subscriptable raised when close senlin-api process unexpectedly

[Pham Le Gia Dai]

2024-01-03 15:31:36.627 2880031 CRITICAL senlin-api [-] Unhandled error: TypeError: 'OSError' object is not subscriptable
2024-01-03 15:31:36.627 2880031 ERROR senlin-api Traceback (most recent call last):
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 372, in run_server
2024-01-03 15:31:36.627 2880031 ERROR senlin-api eventlet.wsgi.server(
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/.tox/venv/lib/python3.8/site-packages/eventlet/wsgi.py", line 1002, in server
2024-01-03 15:31:36.627 2880031 ERROR senlin-api client_socket, client_addr = sock.accept()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/.tox/venv/lib/python3.8/site-packages/eventlet/greenio/base.py", line 227, in accept
2024-01-03 15:31:36.627 2880031 ERROR senlin-api res = socket_accept(fd)
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/.tox/venv/lib/python3.8/site-packages/eventlet/greenio/base.py", line 64, in socket_accept
2024-01-03 15:31:36.627 2880031 ERROR senlin-api return descriptor.accept()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/usr/lib/python3.8/socket.py", line 292, in accept
2024-01-03 15:31:36.627 2880031 ERROR senlin-api fd, addr = self._accept()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api OSError: [Errno 22] Invalid argument
2024-01-03 15:31:36.627 2880031 ERROR senlin-api
2024-01-03 15:31:36.627 2880031 ERROR senlin-api During handling of the above exception, another exception occurred:
2024-01-03 15:31:36.627 2880031 ERROR senlin-api
2024-01-03 15:31:36.627 2880031 ERROR senlin-api Traceback (most recent call last):
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/.tox/venv/bin/senlin-api", line 8, in <module>
2024-01-03 15:31:36.627 2880031 ERROR senlin-api sys.exit(main())
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/cmd/api.py", line 53, in main
2024-01-03 15:31:36.627 2880031 ERROR senlin-api server.wait()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 328, in wait
2024-01-03 15:31:36.627 2880031 ERROR senlin-api self.wait_on_children()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 172, in wait_on_children
2024-01-03 15:31:36.627 2880031 ERROR senlin-api self._verify_and_respawn_children(pid, status)
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 281, in _verify_and_respawn_children
2024-01-03 15:31:36.627 2880031 ERROR senlin-api self.run_child()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 353, in run_child
2024-01-03 15:31:36.627 2880031 ERROR senlin-api self.run_server()
2024-01-03 15:31:36.627 2880031 ERROR senlin-api File "/home/daiplg/senlin/senlin/api/common/wsgi.py", line 381, in run_server
2024-01-03 15:31:36.627 2880031 ERROR senlin-api if err[0] != errno.EINVAL:
2024-01-03 15:31:36.627 2880031 ERROR senlin-api TypeError: 'OSError' object is not subscriptable
2024-01-03 15:31:36.627 2880031 ERROR senlin-api

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/senlin/+/904559

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/senlin/+/904559
Committed: https://opendev.org/openstack/senlin/commit/541498724bc0c1cf730d9f31c2ca7cf218d07bc3
Submitter: "Zuul (22348)"
Branch: master

commit 541498724bc0c1cf730d9f31c2ca7cf218d07bc3
Author: Pham Le Gia Dai <email address hidden>
Date: Wed Jan 3 15:41:34 2024 +0700

    TypeError: 'OSError' object is not subscriptable raised when terminate senlin-api process unexpectedly

    When terminate senlin-api process the `evenlet.wsgi.server` raised OSError exception that is not a list or a tuple which make TypeError raised and the senlin-api process may not be terminated properly

    Closes-Bug: #2047914
    Change-Id: Id02befe51e9118c8d8dafc3c926398fbf7e1258e