bunkerweb/job/main.py
2022-06-03 17:24:14 +02:00

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#!/usr/bin/python3
import argparse, sys, re, signal, time, traceback, os
import sys
sys.path.append("/opt/bunkerweb/deps/python")
sys.path.append("/opt/bunkerweb/jobs")
sys.path.append("/opt/bunkerweb/utils")
from dotenv import dotenv_values
from threading import Lock
from logger import log
from JobScheduler import JobScheduler
run = True
scheduler = None
reloading = False
def handle_stop(signum, frame) :
global run, scheduler
run = False
if scheduler is not None :
scheduler.clear()
stop(0)
signal.signal(signal.SIGINT, handle_stop)
signal.signal(signal.SIGTERM, handle_stop)
def handle_reload(env) :
global run, scheduler, reloading
try :
if scheduler is not None and run :
if scheduler.reload(dotenv_values(env)) :
log("SCHEDULER", "", "Reload successful")
else :
log("SCHEDULER", "", "Reload failed")
else :
log("SCHEDULER", "⚠️", "Ignored reload operation because scheduler is not running ...")
except :
log("SCHEDULER", "", "Exception while reloading scheduler : " + traceback.format_exc())
def handle_reload_bw(signum, frame) :
handle_reload("/etc/nginx/variables.env")
signal.signal(signal.SIGUSR1, handle_reload_bw)
def handle_reload_api(signum, frame) :
handle_reload("/opt/bunkerweb/tmp/jobs.env")
signal.signal(signal.SIGUSR2, handle_reload_api)
def stop(status) :
os.remove("/opt/bunkerweb/tmp/scheduler.pid")
os._exit(status)
if __name__ == "__main__" :
try :
# Don't execute if pid file exists
if os.path.isfile("/opt/bunkerweb/tmp/scheduler.pid") :
log("SCHEDULER", "", "Scheduler is already running, skipping execution ...")
os._exit(1)
# Write pid to file
with open("/opt/bunkerweb/tmp/scheduler.pid", "w") as f :
f.write(str(os.getpid()))
# Parse arguments
parser = argparse.ArgumentParser(description="Job scheduler for BunkerWeb")
parser.add_argument("--run", action="store_true", help="only run jobs one time in foreground")
parser.add_argument("--variables", default="/etc/nginx/variables.env", type=str, help="path to the variables")
args = parser.parse_args()
# Read env file
env = dotenv_values(args.variables)
# Instantiate scheduler
scheduler = JobScheduler(env=env)
# Only run jobs once
log("SCHEDULER", "", "Executing job scheduler ...")
if args.run :
ret = scheduler.run_once()
if not ret :
log("SCHEDULER", "", "At least one job in run_once() failed")
stop(1)
else :
log("SCHEDULER", "", "All jobs in run_once() were successful")
# Or infinite schedule
else :
scheduler.setup()
while run :
scheduler.run_pending()
time.sleep(1)
except :
log("SCHEDULER", "", "Exception while executing scheduler : " + traceback.format_exc())
stop(1)
log("SCHEDULER", "", "Job scheduler stopped")
stop(0)