def run(self):
while True:
start_time = time.time()
LOG.info('Start iteration')
p = mp.Process(target=self.__call__, args=())
p.start()
p.join(300)
if p.is_alive():
LOG.error('Timeout. Terminating ...')
try:
helper.kill_child(p.pid)
helper.kill(p.pid)
except:
LOG.exception('Exception')
p.terminate()
LOG.info('Working time: %s' % (time.time() - start_time))
if not CONFIG['interval']:
break
sleep_time = start_time + CONFIG['interval'] - time.time()
if sleep_time > 0:
time.sleep(sleep_time)
def stop(self):
LOG.debug('Stopping...')
try:
with file(self.pid_file, 'r') as pf:
pid = int(pf.read().strip())
except IOError:
msg = "Can't open pid file %s. Stop failed" % self.pid_file
LOG.error(msg)
return
try:
helper.kill_child(pid)
helper.kill(pid)
except:
LOG.error(helper.exc_info())
LOG.info('Stopped')
def stop(self):
LOG.info('Stop')
if not self.pid_file:
raise Exception("You must specify pid file")
try:
pf = file(self.pid_file, 'r')
pid = int(pf.read().strip())
pf.close()
except IOError:
LOG.error("Pid file %s dosn't exist" % self.pid_file)
return
except ValueError:
LOG.error("Wrong value in pid file %s" % self.pid_file)
self._delete_pid_file()
return
try:
if helper.check_pid(self.pid_file):
helper.kill_child(pid)
helper.kill(pid)
except:
LOG.error(helper.exc_info())
def main():
sys.stderr.write("This script is deprecated. Instead use load_statistics.py\n\n")
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group()
group.add_argument('--start', action='store_true', default=False, help='start daemon')
group.add_argument('--stop', action='store_true', default=False, help='stop daemon')
group.add_argument('--restart', action='store_true', default=False, help='restart daemon')
parser.add_argument('--no-daemon', action='store_true', default=None,
help="Run in no daemon mode")
parser.add_argument('--with-snmp', action='store_true', default=None,
help="Use snmp")
parser.add_argument('-i', '--interval', type=int, default=None,
help="execution interval in seconds. Default is 0 - exec once")
parser.add_argument('-p', '--pid-file', default=None, help="Pid file")
parser.add_argument('-l', '--log-file', default=None, help="Log file")
parser.add_argument('-m', '--metrics', default=None, choices=['cpu', 'la', 'mem', 'net'],
action='append', help="metrics type for processing")
parser.add_argument('-c', '--config-file', default='./config.yml', help='config file')
parser.add_argument('-t', '--instances-connection-timeout', type=int, default=None,
help='instances connection timeout')
parser.add_argument('-v', '--verbosity', default=None, action='count',
help='increase output verbosity [0:4]. Default is 1 - Error')
parser.add_argument('--version', action='version', version='Version %s' % __version__)
args = parser.parse_args()
try:
config = yaml.safe_load(open(args.config_file))['scalr']
configure(args, config)
except:
if args.verbosity > 3:
raise
else:
sys.stderr.write('%s\n' % helper.exc_info())
sys.exit(1)
try:
socket.setdefaulttimeout(CONFIG['instances_connection_timeout'])
daemon = StatsPoller()
if args.start:
LOG.info('Start')
if helper.check_pid(CONFIG['pid_file']):
LOG.info('Another copy of process already running. Exit')
sys.exit(0)
daemon.start(daemon= not args.no_daemon)
elif args.stop:
LOG.info('Stop')
daemon.stop()
elif args.restart:
LOG.info('Restart')
daemon.restart(daemon= not args.no_daemon)
else:
print 'Usage %s -h' % sys.argv[0]
LOG.info('Exit')
except KeyboardInterrupt:
LOG.critical(helper.exc_info())
helper.kill_child(mp.current_process().pid)
sys.exit(0)
except SystemExit:
pass
except Exception:
LOG.critical('Something happened and I think I died')
LOG.exception('Critical exception')
sys.exit(1)
def main():
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group()
group.add_argument('--start', action='store_true', default=False,
help='start program')
group.add_argument('--stop', action='store_true', default=False,
help='stop program')
parser.add_argument('--poller', action='store_true', default=None,
help='poller mode')
parser.add_argument('--plotter', action='store_true', default=None,
help='plotter mode')
parser.add_argument('--no-daemon', action='store_true', default=None,
help="run in no daemon mode")
parser.add_argument('--with-snmp', action='store_true', default=None,
help="use snmp")
parser.add_argument('-i', '--interval', type=int, default=None,
help="execution interval in seconds. Default is 120")
parser.add_argument('-p', '--pid-file', default=None,
help="pid file")
parser.add_argument('-l', '--log-file', default=None,
help="log file")
parser.add_argument('-m', '--metrics', default=None,
choices=['cpu', 'la', 'mem', 'net', 'io', 'snum'], action='append',
help="metrics type for processing")
parser.add_argument('-c', '--config-file', default='./config.yml',
help='config file')
parser.add_argument('-v', '--verbosity', default=None, action='count',
help='increase output verbosity [0:4]. Default is 1 - Error')
parser.add_argument('--version', action='version', version='Version %s' % __version__)
args = parser.parse_args()
try:
global SCALR_CONFIG
SCALR_CONFIG = yaml.safe_load(open(args.config_file))['scalr']
configure(args)
except:
if args.verbosity > 3:
raise
else:
sys.stderr.write('%s\n' % helper.exc_info())
sys.exit(1)
try:
socket.setdefaulttimeout(CONFIG['instances_connection_timeout'])
app = LoadStatistics()
if args.start:
if helper.check_pid(CONFIG['pid_file']):
msg = "Application with pid file '%s' already running. Exit" % CONFIG['pid_file']
LOG.info(msg)
sys.exit(0)
if not args.no_daemon:
helper.daemonize()
app.start()
elif args.stop:
app.stop()
else:
print 'Usage %s -h' % sys.argv[0]
except KeyboardInterrupt:
sys.stdout.write('Keyboard interrupt\n')
helper.kill_child(multiprocessing.current_process().pid)
sys.exit(0)
except SystemExit:
pass
except:
LOG.exception('Something happened and I think I died')
sys.exit(1)
