def start(daemon=True, **kwargs):
lock = PIDLockFile(os.path.join(RAMMON_PATH, "rammon.pid"))
if lock.is_locked():
try:
Process(lock.read_pid())
print("Rammon is already running")
sys.exit(1)
except NoSuchProcess:
print(
"Rammon was stopped, however it was stopped uncleanly leaving behind a pidfile.\n"
"Breaking pidfile lock...")
lock.break_lock()
if daemon:
logger.info("Starting rammon as a daemon...")
else:
logger.info("Starting rammon in the foreground...")
if daemon:
if try_systemd_start():
logger.info("Starting with systemd...")
sys.exit(0)
else:
mon = RamMonitor()
set_handlers(mon)
logger.info("Starting without systemd...")
with DaemonContext(umask=0o077,
pidfile=lock,
detach_process=daemon):
mon.start()
else:
with lock:
mon = RamMonitor()
set_handlers(mon)
mon.start()
def start(self):
lock_file = PIDLockFile(self._file_name)
if lock_file.is_locked():
print("Already run this daenon.")
else:
with daemon.DaemonContext(pidfile=lock_file):
# TODO : Add code about error and exception.
self.run(self._path)
def status(**kwargs):
lock = PIDLockFile(os.path.join(RAMMON_PATH, "rammon.pid"))
if lock.is_locked():
try:
Process(lock.read_pid())
print("Rammon is running" +
(", and auto-start is enabled" if is_enabled() else ""))
except NoSuchProcess:
print(
"Rammon is stopped, however it was stopped uncleanly leaving behind a pidfile.\n"
"Breaking pidfile lock...")
lock.break_lock()
else:
print("Rammon is stopped" +
(", but auto-start is enabled" if is_enabled() else ""))
def stop(**kwargs):
lock = PIDLockFile(os.path.join(RAMMON_PATH, "rammon.pid"))
if try_systemd_stop():
logger.info("Stopping rammon daemon with systemd...")
if lock.is_locked():
try:
proc = Process(lock.read_pid())
proc.terminate()
try:
proc.wait(1)
except TimeoutExpired:
print("Rammon did not stop gracefully, killing it...")
proc.kill()
lock.break_lock()
logger.info("Rammon stopped successfully")
except NoSuchProcess:
logger.warning(
"Rammon was already stopped, but had not stopped cleanly.\n"
"Breaking pidfile lock...")
lock.break_lock()
else:
logger.error("Rammon is already stopped")
sys.exit(1)
import time
import daemon
from daemon.pidfile import PIDLockFile
import logging
from logging import handlers
logger = logging.getLogger("mylogger")
logger.setLevel(logging.INFO)
file_handler = handlers.RotatingFileHandler("log/daemon.log",
maxBytes=(1024 * 1024 * 512),
backupCount=3)
logger.addHandler(file_handler)
pidLockfile = PIDLockFile('.pid')
if pidLockfile.is_locked():
print("running already (pid: %d)" % pidLockfile.read_pid())
exit(1)
context = daemon.DaemonContext(pidfile=pidLockfile)
logfile_fileno = file_handler.stream.fileno()
context.files_preserve = [logfile_fileno]
def main():
while True:
time.sleep(0.5)
with context:
main_program()
import os, sys
import bjoern
import daemon
# import logging
from daemon.pidfile import PIDLockFile
from kaqpay import app
if __name__ == '__main__':
current_dir = os.getcwd()
pidfile = PIDLockFile(app.config.get('PID_FILE'))
if pidfile.is_locked():
print("Running Already (pid: {})".format(pidfile.read_pid()))
# can use logging but why make things complicated?
stdout = open(app.config.get('STDOUT_LOG'), 'a+')
stderr = open(app.config.get('STDERR_LOG'), 'a+')
ctx = daemon.DaemonContext(working_directory=current_dir,
umask=0o002,
pidfile=pidfile,
stdout=stdout,
stderr=stderr)
with ctx:
bjoern.run(app, 'localhost', 9091)
from TaskManager import TaskManager
from db import MongoDataAdapter
from time import sleep
from daemon.pidfile import PIDLockFile
import psutil
def create_task_manager(db, max_tasks, scan_interval):
# TaskManager instance.
tm = TaskManager(mongo, max_tasks=max_tasks, scan_interval=scan_interval)
return tm
lock = PIDLockFile('pet.pid')
if lock.is_locked() and not lock.i_am_locking():
if not psutil.pid_exists(lock.read_pid()):
print 'The pidlock is hold by a void process. Breaking it.'
lock.break_lock()
else:
print 'Another process is holding pidlock. Exit.'
exit()
print 'Acquiring pidlock.'
lock.acquire(timeout=5)
# TODO Load config.
mongo = MongoDataAdapter.create_adapter('GatesPet')
max_tasks = 50
scan_interval = 10
process_interval = 120
tm = create_task_manager(mongo, max_tasks, scan_interval)