Give appropriate exit codes when synctl fails (#5992)

This commit is contained in:
Jorik Schellekens 2019-09-18 22:27:59 +01:00 committed by Richard van der Hoff
parent a86a290850
commit d58cad635e
2 changed files with 40 additions and 4 deletions

1
changelog.d/5992.feature Normal file
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@ -0,0 +1 @@
Give appropriate exit codes when synctl fails.

43
synctl
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@ -71,7 +71,20 @@ def abort(message, colour=RED, stream=sys.stderr):
sys.exit(1)
def start(configfile, daemonize=True):
def start(configfile: str, daemonize: bool = True) -> bool:
"""Attempts to start synapse.
Args:
configfile: path to a yaml synapse config file
daemonize: whether to daemonize synapse or keep it attached to the current
session
Returns:
True if the process started successfully
False if there was an error starting the process
If deamonize is False it will only return once synapse exits.
"""
write("Starting ...")
args = SYNAPSE
@ -83,25 +96,40 @@ def start(configfile, daemonize=True):
try:
subprocess.check_call(args)
write("started synapse.app.homeserver(%r)" % (configfile,), colour=GREEN)
return True
except subprocess.CalledProcessError as e:
write(
"error starting (exit code: %d); see above for logs" % e.returncode,
colour=RED,
)
return False
def start_worker(app, configfile, worker_configfile):
def start_worker(app: str, configfile: str, worker_configfile: str) -> bool:
"""Attempts to start a synapse worker.
Args:
app: name of the worker's appservice
configfile: path to a yaml synapse config file
worker_configfile: path to worker specific yaml synapse file
Returns:
True if the process started successfully
False if there was an error starting the process
"""
args = [sys.executable, "-B", "-m", app, "-c", configfile, "-c", worker_configfile]
try:
subprocess.check_call(args)
write("started %s(%r)" % (app, worker_configfile), colour=GREEN)
return True
except subprocess.CalledProcessError as e:
write(
"error starting %s(%r) (exit code: %d); see above for logs"
% (app, worker_configfile, e.returncode),
colour=RED,
)
return False
def stop(pidfile, app):
@ -292,11 +320,14 @@ def main():
write("All processes exited; now restarting...")
if action == "start" or action == "restart":
error = False
if start_stop_synapse:
# Check if synapse is already running
if os.path.exists(pidfile) and pid_running(int(open(pidfile).read())):
abort("synapse.app.homeserver already running")
start(configfile, bool(options.daemonize))
if not start(configfile, bool(options.daemonize)):
error = True
for worker in workers:
env = os.environ.copy()
@ -307,12 +338,16 @@ def main():
for cache_name, factor in iteritems(worker.cache_factors):
os.environ["SYNAPSE_CACHE_FACTOR_" + cache_name.upper()] = str(factor)
start_worker(worker.app, configfile, worker.configfile)
if not start_worker(worker.app, configfile, worker.configfile):
error = True
# Reset env back to the original
os.environ.clear()
os.environ.update(env)
if error:
exit(1)
if __name__ == "__main__":
main()