zulip/api/integrations/zephyr/zephyr_mirror.py

94 lines
3.0 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (C) 2012 Zulip, Inc.
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import absolute_import
from __future__ import print_function
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()
sys.path[:0] = [os.path.join(options.root_path, 'api')]
from types import FrameType
from typing import Any
def die(signal, frame):
# type: (int, 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(options.root_path, "user_root", "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:
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):
# type: (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!")
pass
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://zulipchat.com/zephyr for documentation on how to
maintain unexpired Kerberos tickets and AFS tokens.
"""
print(error_message)
sys.exit(1)