mirror of https://github.com/zulip/zulip.git
95 lines
2.8 KiB
Python
Executable File
95 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import os
|
|
import signal
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
import types
|
|
|
|
# check for the venv
|
|
from lib import sanity_check
|
|
|
|
sanity_check.check_venv(__file__)
|
|
|
|
# TODO: Convert this to use scripts/lib/queue_workers.py
|
|
TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
|
|
successful_worker_launch = "[process_queue] 15 queue worker threads were launched\n"
|
|
|
|
|
|
def check_worker_launch(run_dev: "subprocess.Popen[str]") -> bool:
|
|
failed = False
|
|
i = 0
|
|
|
|
def on_timer(signum: int, frame: types.FrameType) -> None:
|
|
nonlocal failed, i
|
|
sys.stdout.write(".")
|
|
sys.stdout.flush()
|
|
i += 1
|
|
if i == 200:
|
|
failed = True
|
|
run_dev.send_signal(signal.SIGINT)
|
|
signal.setitimer(signal.ITIMER_REAL, 0, 0)
|
|
|
|
log_output = []
|
|
print("Polling run-dev", end="")
|
|
# Attempt to poll the log file for 60 sec. to see if all worker threads are launched.
|
|
old_handler = signal.signal(signal.SIGALRM, on_timer)
|
|
signal.setitimer(signal.ITIMER_REAL, 0.3, 0.3)
|
|
assert run_dev.stdout is not None
|
|
for line in run_dev.stdout:
|
|
log_output.append(line)
|
|
if line.endswith(successful_worker_launch):
|
|
break
|
|
else:
|
|
failed = True
|
|
signal.setitimer(signal.ITIMER_REAL, 0, 0)
|
|
signal.signal(signal.SIGALRM, old_handler)
|
|
sys.stdout.write("\n")
|
|
|
|
if not failed:
|
|
print("Worker threads launched successfully")
|
|
else:
|
|
print("Error in server startup. Dumping logs")
|
|
print("".join(log_output))
|
|
|
|
return failed
|
|
|
|
|
|
if __name__ == "__main__":
|
|
print("\nStarting development server")
|
|
args = [f"{TOOLS_DIR}/run-dev.py"]
|
|
run_dev = subprocess.Popen(
|
|
args,
|
|
bufsize=1, # line buffered
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True,
|
|
)
|
|
failed = check_worker_launch(run_dev)
|
|
|
|
if failed:
|
|
run_dev.send_signal(signal.SIGINT)
|
|
run_dev.wait()
|
|
sys.exit(1)
|
|
|
|
# In dev. environment, queues are run through Django's autoreload code. The
|
|
# autoreload code of Django works by looping over the files associated with
|
|
# all the loaded modules. This loop is run after every 1 second. If the
|
|
# file is found for the first time by the loop, it is assumed that the
|
|
# file is new and is not modified between the time it is loaded and is
|
|
# checked by the loop. This assumption is the source of a race condition.
|
|
|
|
# We can either implement a more sensitive version of the loop or we can
|
|
# just allow enough time to the Django loop to touch every file at least
|
|
# once.
|
|
time.sleep(1.3)
|
|
|
|
print("Attempting to modify a file")
|
|
os.utime("zerver/lib/actions.py")
|
|
failed = check_worker_launch(run_dev)
|
|
|
|
run_dev.send_signal(signal.SIGINT)
|
|
run_dev.wait()
|
|
if failed:
|
|
sys.exit(1)
|