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start-server: Warn on deploy mismatch if it is a noop.

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This commit is contained in:
Alex Vandiver
2025-08-12 14:45:48 +00:00
committed by Tim Abbott
parent 7b4840da41
commit e132af28fc
1 changed files with 14 additions and 1 deletions
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15
scripts/restart-server
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@@ -145,7 +145,20 @@ if action == "restart" and len(running_services) == 0:
elif action == "start":
existing_services = list_supervisor_processes(check_services)
if existing_services == running_services:
logging.info("Zulip is already started; nothing to do!")
# Check if the version we're trying to start is the version
# that we would have started. We do this via checking the CWD
# of the oldest uwsgi worker.
oldest_pid = subprocess.check_output(
["pgrep", "--oldest", "--full", "zulip-django uWSGI worker"], text=True
).strip()
running_cwd = os.readlink(f"/proc/{oldest_pid}/cwd")
if deploy_path != running_cwd:
logging.warning("Mismatch between 'current' symlink and currently-running code!")
logging.warning("Already-running deploy: %s", running_cwd)
logging.warning("We would have started: %s", deploy_path)
logging.warning("To restart, call %s/scripts/restart-server", deploy_path)
else:
logging.info("Zulip is already started; nothing to do!")
sys.exit(0)