mirror of https://github.com/zulip/zulip.git
113 lines
4.1 KiB
Python
Executable File
113 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import argparse
|
|
import logging
|
|
import os
|
|
import pwd
|
|
import shlex
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
|
|
sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
|
|
from scripts.lib.zulip_tools import (
|
|
DEPLOYMENTS_DIR,
|
|
ENDC,
|
|
OKGREEN,
|
|
WARNING,
|
|
get_config_file,
|
|
get_tornado_ports,
|
|
overwrite_symlink,
|
|
)
|
|
|
|
logging.Formatter.converter = time.gmtime
|
|
logging.basicConfig(format="%(asctime)s restart-server: %(message)s", level=logging.INFO)
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("--fill-cache", action="store_true", help="Fill the memcached caches")
|
|
args = parser.parse_args()
|
|
|
|
deploy_path = os.path.realpath(os.path.join(os.path.dirname(__file__), ".."))
|
|
os.chdir(deploy_path)
|
|
|
|
if pwd.getpwuid(os.getuid()).pw_name != "zulip":
|
|
logging.error("Must be run as user 'zulip'.")
|
|
sys.exit(1)
|
|
|
|
# Send a statsd event on restarting the server
|
|
subprocess.check_call(
|
|
["./manage.py", "send_stats", "incr", "events.server_restart", str(int(time.time()))]
|
|
)
|
|
|
|
if args.fill_cache:
|
|
logging.info("Filling memcached caches")
|
|
subprocess.check_call(["./manage.py", "fill_memcached_caches"])
|
|
|
|
core_server_services = ["zulip-django"]
|
|
if os.path.exists("/etc/supervisor/conf.d/zulip/thumbor.conf"):
|
|
core_server_services.append("zulip-thumbor")
|
|
|
|
current_symlink = os.path.join(DEPLOYMENTS_DIR, "current")
|
|
last_symlink = os.path.join(DEPLOYMENTS_DIR, "last")
|
|
change_symlink = os.readlink(current_symlink) != deploy_path
|
|
if change_symlink:
|
|
overwrite_symlink(os.readlink(current_symlink), last_symlink)
|
|
overwrite_symlink(deploy_path, current_symlink)
|
|
|
|
config_file = get_config_file()
|
|
tornado_ports = get_tornado_ports(config_file)
|
|
|
|
# We restart just the zulip-tornado service early, in order to
|
|
# minimize downtime of the tornado service caused by too many Python
|
|
# processes restarting at the same time resulting in it receiving
|
|
# insufficient priority. This is important, because Tornado is the
|
|
# main source of user-visible downtime when we restart a Zulip server.
|
|
if len(tornado_ports) > 1:
|
|
for p in tornado_ports:
|
|
# Restart Tornado processes individually for a better rate of
|
|
# restarts. This also avoids behavior with restarting a whole
|
|
# supervisord group where if any individual process is slow to
|
|
# stop, the whole bundle stays stopped for an extended time.
|
|
logging.info("Restarting Tornado process on port %s", p)
|
|
subprocess.check_call(["supervisorctl", "restart", f"zulip-tornado:zulip-tornado-port-{p}"])
|
|
else:
|
|
logging.info("Restarting Tornado process")
|
|
subprocess.check_call(["supervisorctl", "restart", "zulip-tornado", "zulip-tornado:*"])
|
|
|
|
# Restart the uWSGI and related processes via supervisorctl.
|
|
logging.info("Stopping workers")
|
|
subprocess.check_call(["supervisorctl", "stop", "zulip-workers:*"])
|
|
logging.info("Stopping server core")
|
|
subprocess.check_call(["supervisorctl", "stop", *core_server_services])
|
|
|
|
logging.info("Starting server core")
|
|
subprocess.check_call(["supervisorctl", "start", *reversed(core_server_services)])
|
|
logging.info("Starting workers")
|
|
subprocess.check_call(["supervisorctl", "start", "zulip-workers:*"])
|
|
|
|
using_sso = subprocess.check_output(["./scripts/get-django-setting", "USING_APACHE_SSO"])
|
|
if using_sso.strip() == b"True":
|
|
logging.info("Restarting Apache WSGI process...")
|
|
subprocess.check_call(["pkill", "-f", "apache2", "-u", "zulip"])
|
|
|
|
if os.path.exists("/etc/supervisor/conf.d/zulip/zulip_db.conf"):
|
|
subprocess.check_call(["supervisorctl", "restart", "process-fts-updates"])
|
|
|
|
logging.info("Done!")
|
|
print(OKGREEN + "Application restarted successfully!" + ENDC)
|
|
|
|
if change_symlink and "PWD" in os.environ:
|
|
for symlink in [last_symlink, current_symlink]:
|
|
if os.path.commonprefix([os.environ["PWD"], symlink]) == symlink:
|
|
print(
|
|
"""
|
|
{}Your shell entered its current directory through a symlink:
|
|
{}
|
|
which has now changed. Your shell will not see this change until you run:
|
|
cd {}
|
|
to traverse the symlink again.{}
|
|
""".format(
|
|
WARNING, symlink, shlex.quote(os.environ["PWD"]), ENDC
|
|
),
|
|
file=sys.stderr,
|
|
)
|