python-zulip-api/zulip/integrations/zephyr/zephyr_mirror.py
Tim Abbott dc2132e629 zephyr_mirror: Eliminate --root-path arguments.
These were quite messy code, and now that almost nobody is running
their own zephyr mirroring script (vs. using webathena), making the
zephyr mirroring script deployable outside the package isn't super
valuable.
2017-10-05 13:24:59 -07:00

93 lines
3 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()
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(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):
# 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)