wehub-resource-sync
28 lines
741 B
Python
28 lines
741 B
Python
# SPDX-License-Identifier: Apache-2.0
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"""Fatal process-exit helpers."""
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from __future__ import annotations
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import faulthandler
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import logging
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import os
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from typing import NoReturn
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logger = logging.getLogger(__name__)
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FATAL_EXIT_CODE = 70
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FATAL_TEARDOWN_TIMEOUT_S = 60.0
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def fatal_exit(reason: str, exit_code: int = FATAL_EXIT_CODE) -> NoReturn:
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"""Terminate immediately so an external supervisor can restart cleanly."""
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logger.critical(
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"%s; exiting process so the supervisor can restart with a clean state",
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reason,
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)
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try:
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faulthandler.dump_traceback(all_threads=True)
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except Exception:
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logger.exception("Failed to dump thread tracebacks before fatal exit")
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os._exit(exit_code)
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