72 lines
1.9 KiB
Python
Executable file
72 lines
1.9 KiB
Python
Executable file
#!/usr/bin/env python3
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import asyncio
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import os
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import signal
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import subprocess
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import sys
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import traceback
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sys.path[:0] = [os.path.dirname(__file__)]
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from zephyr_mirror_backend import parse_args
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(options, args) = parse_args()
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from types import FrameType
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def die(signal: int, frame: FrameType) -> None:
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# We actually want to exit, so run os._exit (so as not to be caught and restarted)
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os._exit(1)
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signal.signal(signal.SIGINT, die)
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from zulip import RandomExponentialBackoff
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args = [os.path.join(os.path.dirname(os.path.realpath(__file__)), "zephyr_mirror_backend.py")]
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args.extend(sys.argv[1:])
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if options.sync_subscriptions:
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subprocess.call(args)
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sys.exit(0)
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if options.forward_class_messages and not options.noshard:
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if options.on_startup_command is not None:
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subprocess.call([options.on_startup_command])
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print("Starting parallel zephyr class mirroring bot")
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shards = list("0123456789abcdef")
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async def run_shard(shard: str) -> int:
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process = await asyncio.create_subprocess_exec(*args, f"--shard={shard}")
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return await process.wait()
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async def run_shards():
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for coro in asyncio.as_completed(map(run_shard, shards)):
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await coro
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print("A mirroring shard died!")
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asyncio.run(run_shards())
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sys.exit(0)
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backoff = RandomExponentialBackoff(timeout_success_equivalent=300)
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while backoff.keep_going():
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print("Starting zephyr mirroring bot")
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try:
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subprocess.call(args)
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except Exception:
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traceback.print_exc()
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backoff.fail()
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error_message = """
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ERROR: The Zephyr mirroring bot is unable to continue mirroring Zephyrs.
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This is often caused by failing to maintain unexpired Kerberos tickets
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or AFS tokens. See https://zulip.com/zephyr for documentation on how to
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maintain unexpired Kerberos tickets and AFS tokens.
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"""
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print(error_message)
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sys.exit(1)
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