zulip/zerver/management/commands/runtornado.py

142 lines
5.2 KiB
Python

import asyncio
import logging
import signal
from contextlib import AsyncExitStack
from typing import Any
from urllib.parse import SplitResult
import __main__
from asgiref.sync import async_to_sync, sync_to_async
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError, CommandParser
from tornado import autoreload
from tornado.platform.asyncio import AsyncIOMainLoop
settings.RUNNING_INSIDE_TORNADO = True
if settings.PRODUCTION:
settings.SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
from zerver.lib.async_utils import NoAutoCreateEventLoopPolicy
from zerver.lib.debug import interactive_debug_listen
from zerver.tornado.application import create_tornado_application, setup_tornado_rabbitmq
from zerver.tornado.descriptors import set_current_port
from zerver.tornado.event_queue import (
add_client_gc_hook,
dump_event_queues,
get_wrapped_process_notification,
missedmessage_hook,
setup_event_queue,
)
from zerver.tornado.sharding import notify_tornado_queue_name
if settings.USING_RABBITMQ:
from zerver.lib.queue import TornadoQueueClient, set_queue_client
asyncio.set_event_loop_policy(NoAutoCreateEventLoopPolicy())
class Command(BaseCommand):
help = "Starts a Tornado Web server wrapping Django."
def add_arguments(self, parser: CommandParser) -> None:
parser.add_argument(
"addrport",
help="[port number or ipaddr:port]",
)
def handle(self, *args: Any, **options: Any) -> None:
interactive_debug_listen()
addrport = options["addrport"]
assert isinstance(addrport, str)
from tornado import httpserver
if addrport.isdigit():
addr, port = "", int(addrport)
else:
r = SplitResult("", addrport, "", "", "")
if r.port is None:
raise CommandError(f"{addrport!r} does not have a valid port number.")
addr, port = r.hostname or "", r.port
if not addr:
addr = "127.0.0.1"
if settings.DEBUG:
logging.basicConfig(
level=logging.INFO, format="%(asctime)s %(levelname)-8s %(message)s"
)
async def inner_run() -> None:
from django.utils import translation
AsyncIOMainLoop().install()
loop = asyncio.get_running_loop()
stop_fut = loop.create_future()
def stop() -> None:
if not stop_fut.done():
stop_fut.set_result(None)
def add_signal_handlers() -> None:
loop.add_signal_handler(signal.SIGINT, stop)
loop.add_signal_handler(signal.SIGTERM, stop)
def remove_signal_handlers() -> None:
loop.remove_signal_handler(signal.SIGINT)
loop.remove_signal_handler(signal.SIGTERM)
async with AsyncExitStack() as stack:
stack.push_async_callback(
sync_to_async(remove_signal_handlers, thread_sensitive=True)
)
await sync_to_async(add_signal_handlers, thread_sensitive=True)()
set_current_port(port)
translation.activate(settings.LANGUAGE_CODE)
# We pass display_num_errors=False, since Django will
# likely display similar output anyway.
self.check(display_num_errors=False)
print(f"Tornado server (re)started on port {port}")
if settings.USING_RABBITMQ:
queue_client = TornadoQueueClient()
set_queue_client(queue_client)
# Process notifications received via RabbitMQ
queue_name = notify_tornado_queue_name(port)
stack.callback(queue_client.close)
queue_client.start_json_consumer(
queue_name, get_wrapped_process_notification(queue_name)
)
# Application is an instance of Django's standard wsgi handler.
application = create_tornado_application()
# start tornado web server in single-threaded mode
http_server = httpserver.HTTPServer(application, xheaders=True)
stack.push_async_callback(http_server.close_all_connections)
stack.callback(http_server.stop)
http_server.listen(port, address=addr)
from zerver.tornado.ioloop_logging import logging_data
logging_data["port"] = str(port)
await setup_event_queue(http_server, port)
stack.callback(dump_event_queues, port)
add_client_gc_hook(missedmessage_hook)
if settings.USING_RABBITMQ:
setup_tornado_rabbitmq(queue_client)
if hasattr(__main__, "add_reload_hook"):
autoreload.start()
await stop_fut
# Monkey patch tornado.autoreload to prevent it from continuing
# to watch for changes after catching our SystemExit. Otherwise
# the user needs to press Ctrl+C twice.
__main__.wait = lambda: None
async_to_sync(inner_run, force_new_loop=True)()