python-zulip-api/zulip/integrations/zephyr/zephyr_mirror.py
Anders Kaseorg 5f81eb3a70 Update zulipchat.com links to zulip.com.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2020-06-11 21:06:58 -07:00

66 lines
1.8 KiB
Python
Executable file

#!/usr/bin/env python3
import sys
import subprocess
import os
import traceback
import signal
sys.path[:0] = [os.path.dirname(__file__)]
from zephyr_mirror_backend import parse_args
(options, args) = parse_args()
from types import FrameType
def die(signal: int, frame: FrameType) -> None:
# We actually want to exit, so run os._exit (so as not to be caught and restarted)
os._exit(1)
signal.signal(signal.SIGINT, die)
from zulip import RandomExponentialBackoff
args = [os.path.join(os.path.dirname(os.path.realpath(__file__)), "zephyr_mirror_backend.py")]
args.extend(sys.argv[1:])
if options.sync_subscriptions:
subprocess.call(args)
sys.exit(0)
if options.forward_class_messages and not options.noshard:
# Needed to get access to zephyr.lib.parallel
sys.path.append("/home/zulip/zulip")
if options.on_startup_command is not None:
subprocess.call([options.on_startup_command])
from zerver.lib.parallel import run_parallel
print("Starting parallel zephyr class mirroring bot")
jobs = list("0123456789abcdef")
def run_job(shard: str) -> int:
subprocess.call(args + ["--shard=%s" % (shard,)])
return 0
for (status, job) in run_parallel(run_job, jobs, threads=16):
print("A mirroring shard died!")
sys.exit(0)
backoff = RandomExponentialBackoff(timeout_success_equivalent=300)
while backoff.keep_going():
print("Starting zephyr mirroring bot")
try:
subprocess.call(args)
except Exception:
traceback.print_exc()
backoff.fail()
error_message = """
ERROR: The Zephyr mirroring bot is unable to continue mirroring Zephyrs.
This is often caused by failing to maintain unexpired Kerberos tickets
or AFS tokens. See https://zulip.com/zephyr for documentation on how to
maintain unexpired Kerberos tickets and AFS tokens.
"""
print(error_message)
sys.exit(1)