def run(self):
logger.debug("initializing spool")
config = self.config_parser
self.spool = spool = Spooler(config)
num_gather_workers = None
if config.has_option('core', 'gather_workers'):
num_gather_workers = abs(config.getint('core', 'gather_workers'))
if not num_gather_workers:
num_gather_workers = GATHER_POOL_WORKERS
self._gather_pool = pool = Pool(num_gather_workers)
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(
base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def run(self):
logger.debug("initializing spool")
config = self.config_parser
self.spool = spool = Spooler(config)
num_gather_workers = None
if config.has_option('core', 'gather_workers'):
num_gather_workers = abs(config.getint('core', 'gather_workers'))
if not num_gather_workers:
num_gather_workers = GATHER_POOL_WORKERS
self._gather_pool = pool = Pool(num_gather_workers)
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def run(self):
logging.debug("initializing spool")
self.spool = spool = Spooler(self.config_parser)
self._gather_pool = pool = Pool(GATHER_POOL_WORKERS)
config = self.config_parser
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(
base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def run(self):
logging.debug("initializing spool")
self.spool = spool = Spooler(self.config_parser)
self._gather_pool = pool = Pool(GATHER_POOL_WORKERS)
config = self.config_parser
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
class agent_daemon(Daemon):
default_conf = '/etc/arke/arke.conf'
section = 'agent'
def read_basic_config(self):
super(agent_daemon, self).read_basic_config()
self.hostname = self.config_parser.get('core', 'hostname')
def __init__(self):
self.persist_queue = Queue()
self.spool = None
self.stop_now = False
def on_sighup(self, signalnum, frame):
logging.info("got sighup")
self.config_parser.read(self.config_filename)
self.collect_manager.load(pool=self._gather_pool)
def on_sigterm(self, signalnum, frame):
logging.info("got sigterm")
self.stop_now = True
def shutdown(self):
[
x.deactivate() for x in self.collect_manager._plugins
if x._timer is not None
]
self._gather_pool.join()
self.spool.close()
def add_signal_handlers(self):
super(self.__class__, self).add_signal_handlers()
signal.signal(signal.SIGHUP, self.on_sighup)
signal.signal(signal.SIGINT, self.on_sigterm)
def run(self):
logging.debug("initializing spool")
self.spool = spool = Spooler(self.config_parser)
self._gather_pool = pool = Pool(GATHER_POOL_WORKERS)
config = self.config_parser
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(
base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def persist_runner(self):
logging.debug("initializing backend %s" %
self.config_parser.get('core', 'persist_backend'))
persist_backend = getattr(
persist,
'%s_backend' % self.config_parser.get('core', 'persist_backend'))
persist_backend = persist_backend(self.config_parser)
spool = self.spool
self.persist_pool = pool = Pool(PERSIST_POOL_WORKERS)
while 1:
spool_file = None
if self.stop_now:
break
try:
spool_file = spool.get(5)
except Empty:
sleep(1)
continue
pool.spawn(self.persist_data, spool_file, persist_backend)
pool.join()
def persist_data(self, spool_file, persist_backend):
if spool_file is None:
logger.debug("Told to persist spool_file None!")
return
attempt = 1
retry = .2
while 1:
if self.stop_now:
return
try:
logging.debug("persisting data- spool_file: %s, attempt: %r" %
(spool_file.name, attempt))
persist_backend.batch_write(spool_file)
break
except Exception:
logging.exception(
"attempt %s trying to persist spool_file: %s" %
(attempt, spool_file.name))
sleep(retry)
if retry < RETRY_INTERVAL_CAP:
retry = attempt * 2
attempt += 1
self.spool.delete(spool_file)
class agent_daemon(Daemon):
default_conf = '/etc/arke/arke.conf'
section = 'agent'
def read_basic_config(self):
super(agent_daemon, self).read_basic_config()
self.hostname = self.config_parser.get('core', 'hostname')
def __init__(self):
self.persist_queue = Queue()
self.spool = None
self.stop_now = False
def on_sighup(self, signalnum, frame):
logging.info("got sighup")
self.config_parser.read(self.config_filename)
self.collect_manager.load(pool=self._gather_pool)
def on_sigterm(self, signalnum, frame):
logging.info("got sigterm")
self.stop_now = True
def shutdown(self):
[x.deactivate() for x in self.collect_manager._plugins if x._timer is not None]
self._gather_pool.join()
self.spool.close()
def add_signal_handlers(self):
super(self.__class__, self).add_signal_handlers()
signal.signal(signal.SIGHUP, self.on_sighup)
signal.signal(signal.SIGINT, self.on_sigterm)
def run(self):
logging.debug("initializing spool")
self.spool = spool = Spooler(self.config_parser)
self._gather_pool = pool = Pool(GATHER_POOL_WORKERS)
config = self.config_parser
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def persist_runner(self):
logging.debug("initializing backend %s" % self.config_parser.get('core', 'persist_backend'))
persist_backend = getattr(persist, '%s_backend' %
self.config_parser.get('core', 'persist_backend'))
persist_backend = persist_backend(self.config_parser)
spool = self.spool
self.persist_pool = pool = Pool(PERSIST_POOL_WORKERS)
while 1:
spool_file = None
if self.stop_now:
break
try:
spool_file = spool.get(5)
except Empty:
sleep(1)
continue
pool.spawn(self.persist_data, spool_file, persist_backend)
pool.join()
def persist_data(self, spool_file, persist_backend):
if spool_file is None:
logger.debug("Told to persist spool_file None!")
return
attempt = 1
retry = .2
while 1:
if self.stop_now:
return
try:
logging.debug("persisting data- spool_file: %s, attempt: %r" % (spool_file.name, attempt))
persist_backend.batch_write(spool_file)
break
except Exception:
logging.exception("attempt %s trying to persist spool_file: %s" % (attempt, spool_file.name))
sleep(retry)
if retry < RETRY_INTERVAL_CAP:
retry = attempt * 2
attempt += 1
self.spool.delete(spool_file)
class agent_daemon(object):
default_conf = '/etc/arke/arke.conf'
section = 'core'
def read_basic_config(self):
self.config_filename = self.options.config_filename
cp = ConfigParser.ConfigParser()
cp.read([self.config_filename])
self.config_parser = cp
self.hostname = self.config_parser.get('core', 'hostname')
def __init__(self):
self.persist_queue = LifoQueue()
self.spool = None
self.stop_now = False
def on_sighup(self, signalnum, frame):
logger.info("got sighup")
self.config_parser.read(self.config_filename)
self.collect_manager.load(pool=self._gather_pool)
def on_sigterm(self, signalnum, frame):
logger.info("got sigterm")
self.stop_now = True
def shutdown(self):
[
x.deactivate() for x in self.collect_manager._plugins
if x._timer is not None
]
self._gather_pool.join()
self.spool.close()
def add_signal_handlers(self):
signal.signal(signal.SIGTERM, self.on_sigterm)
signal.signal(signal.SIGHUP, self.on_sighup)
signal.signal(signal.SIGINT, self.on_sigterm)
def config_logging(self):
if self.config_parser.has_option(self.section, 'logconfig'):
import logging.config
logging.config.fileConfig(
self.config_parser.get(self.section, 'logconfig'))
else:
self._config_logging()
def _config_logging(self):
"""Configure the logging module"""
self.logfile = self.config_parser.get(self.section, 'logfile')
loglevel = self.config_parser.get(self.section, 'loglevel')
try:
level = int(loglevel)
except ValueError:
level = int(logging.getLevelName(loglevel.upper()))
handlers = []
if self.config_parser.has_option(self.section, 'logfile'):
logfile = self.config_parser.get(self.section, 'logfile').strip()
if logfile:
handlers.append(logging.FileHandler(logfile))
else:
handlers.append(logging.StreamHandler())
log = logging.getLogger()
log.setLevel(level)
for h in handlers:
h.setFormatter(
logging.Formatter(
"%(asctime)s %(process)d %(levelname)s %(message)s"))
log.addHandler(h)
def main(self):
"""Read the command line and either start or stop the daemon"""
self.parse_options()
self.read_basic_config()
self.add_signal_handlers()
self.config_logging()
self.run()
def parse_options(self):
"""Parse the command line"""
p = optparse.OptionParser()
p.add_option('-c',
dest='config_filename',
action='store',
default=self.default_conf,
help='Specify alternate configuration file name')
self.options, self.args = p.parse_args()
if not os.path.exists(self.options.config_filename):
p.error('configuration file not found: %s' %
self.options.config_filename)
def run(self):
logger.debug("initializing spool")
config = self.config_parser
self.spool = spool = Spooler(config)
num_gather_workers = None
if config.has_option('core', 'gather_workers'):
num_gather_workers = abs(config.getint('core', 'gather_workers'))
if not num_gather_workers:
num_gather_workers = GATHER_POOL_WORKERS
self._gather_pool = pool = Pool(num_gather_workers)
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(
base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def persist_runner(self):
config = self.config_parser
logger.debug("initializing backend %s" %
config.get('core', 'persist_backend'))
persist_backend = getattr(
persist, '%s_backend' % config.get('core', 'persist_backend'))
persist_backend = persist_backend(config)
spool = self.spool
num_persist_workers = None
if config.has_option('core', 'persist_workers'):
num_persist_workers = abs(config.getint('core', 'persist_workers'))
if not num_persist_workers:
num_persist_workers = PERSIST_POOL_WORKERS
self.persist_pool = pool = Pool(num_persist_workers)
while 1:
spool_file = None
if self.stop_now:
break
pool.wait_available()
try:
spool_file = spool.get(5)
except Empty:
sleep(1)
continue
pool.spawn(self.persist_data, spool_file, persist_backend)
pool.join()
def persist_data(self, spool_file, persist_backend):
if spool_file is None:
logger.debug("Told to persist spool_file None!")
return
attempt = 1
retry = .2
while 1:
if self.stop_now:
return
try:
logger.debug("persisting data- spool_file: %s, attempt: %r" %
(spool_file.name, attempt))
persist_backend.batch_write(spool_file)
break
except PersistError:
logger.warn("attempt %s trying to persist spool_file: %s" %
(attempt, spool_file.name))
except Exception:
logger.exception(
"attempt %s trying to persist spool_file: %s" %
(attempt, spool_file.name))
sleep(retry)
if retry < RETRY_INTERVAL_CAP:
retry = attempt * 2
attempt += 1
self.spool.delete(spool_file)
class agent_daemon(object):
default_conf = '/etc/arke/arke.conf'
section = 'core'
def read_basic_config(self):
self.config_filename = self.options.config_filename
cp = ConfigParser.ConfigParser()
cp.read([self.config_filename])
self.config_parser = cp
self.hostname = self.config_parser.get('core', 'hostname')
def __init__(self):
self.persist_queue = LifoQueue()
self.spool = None
self.stop_now = False
def on_sighup(self, signalnum, frame):
logger.info("got sighup")
self.config_parser.read(self.config_filename)
self.collect_manager.load(pool=self._gather_pool)
def on_sigterm(self, signalnum, frame):
logger.info("got sigterm")
self.stop_now = True
def shutdown(self):
[x.deactivate() for x in self.collect_manager._plugins if x._timer is not None]
self._gather_pool.join()
self.spool.close()
def add_signal_handlers(self):
signal.signal(signal.SIGTERM, self.on_sigterm)
signal.signal(signal.SIGHUP, self.on_sighup)
signal.signal(signal.SIGINT, self.on_sigterm)
def config_logging(self):
if self.config_parser.has_option(self.section, 'logconfig'):
import logging.config
logging.config.fileConfig( self.config_parser.get(self.section, 'logconfig') )
else:
self._config_logging()
def _config_logging(self):
"""Configure the logging module"""
self.logfile = self.config_parser.get(self.section, 'logfile')
loglevel = self.config_parser.get(self.section, 'loglevel')
try:
level = int(loglevel)
except ValueError:
level = int(logging.getLevelName(loglevel.upper()))
handlers = []
if self.config_parser.has_option(self.section, 'logfile'):
logfile = self.config_parser.get(self.section, 'logfile').strip()
if logfile:
handlers.append(logging.FileHandler(logfile))
else:
handlers.append(logging.StreamHandler())
log = logging.getLogger()
log.setLevel(level)
for h in handlers:
h.setFormatter(logging.Formatter(
"%(asctime)s %(process)d %(levelname)s %(message)s"))
log.addHandler(h)
def main(self):
"""Read the command line and either start or stop the daemon"""
self.parse_options()
self.read_basic_config()
self.add_signal_handlers()
self.config_logging()
self.run()
def parse_options(self):
"""Parse the command line"""
p = optparse.OptionParser()
p.add_option('-c', dest='config_filename',
action='store', default=self.default_conf,
help='Specify alternate configuration file name')
self.options, self.args = p.parse_args()
if not os.path.exists(self.options.config_filename):
p.error('configuration file not found: %s'
% self.options.config_filename)
def run(self):
logger.debug("initializing spool")
config = self.config_parser
self.spool = spool = Spooler(config)
num_gather_workers = None
if config.has_option('core', 'gather_workers'):
num_gather_workers = abs(config.getint('core', 'gather_workers'))
if not num_gather_workers:
num_gather_workers = GATHER_POOL_WORKERS
self._gather_pool = pool = Pool(num_gather_workers)
persist_queue = self.persist_queue
self.collect_manager = CollectPlugins(base_class=Collect,
config=config,
init_args=(config, persist_queue, spool, pool),
entry_points='arke_plugins',
)
self.collect_manager.load(pool=self._gather_pool)
try:
self.persist_runner()
except KeyboardInterrupt:
pass
self.shutdown()
def persist_runner(self):
config = self.config_parser
logger.debug("initializing backend %s" % config.get('core', 'persist_backend'))
persist_backend = getattr(persist, '%s_backend' %
config.get('core', 'persist_backend'))
persist_backend = persist_backend(config)
spool = self.spool
num_persist_workers = None
if config.has_option('core', 'persist_workers'):
num_persist_workers = abs(config.getint('core', 'persist_workers'))
if not num_persist_workers:
num_persist_workers = PERSIST_POOL_WORKERS
self.persist_pool = pool = Pool(num_persist_workers)
while 1:
spool_file = None
if self.stop_now:
break
pool.wait_available()
try:
spool_file = spool.get(5)
except Empty:
sleep(1)
continue
pool.spawn(self.persist_data, spool_file, persist_backend)
pool.join()
def persist_data(self, spool_file, persist_backend):
if spool_file is None:
logger.debug("Told to persist spool_file None!")
return
attempt = 1
retry = .2
while 1:
if self.stop_now:
return
try:
logger.debug("persisting data- spool_file: %s, attempt: %r" % (spool_file.name, attempt))
persist_backend.batch_write(spool_file)
break
except PersistError:
logger.warn("attempt %s trying to persist spool_file: %s" % (attempt, spool_file.name))
except Exception:
logger.exception("attempt %s trying to persist spool_file: %s" % (attempt, spool_file.name))
sleep(retry)
if retry < RETRY_INTERVAL_CAP:
retry = attempt * 2
attempt += 1
self.spool.delete(spool_file)
