def start(collector_clazz, to_daemon=True, enable_server=True, server_port=8442):
if is_running()[0]:
print "Daemon already running."
sys.exit(-1)
#starts daemon context
if to_daemon:
d = daemon.DaemonContext(working_directory=os.getcwd())
d.open()
try:
#guarantees that libs are available in daemon context
sys.path.append(__meta__.PATHS.values())
log = set_logging()
log.info(ascii.ascii)
log.info("Starting collector...")
try:
collector = collector_clazz(conf_reader.read_yaml_conf(),
conf_reader.read_daemon_conf(),
enable_server=enable_server,
server_port=server_port)
# write pid.
write_pid(collector.daemon_conf['PID_FILE_PATH'])
# read configurations.
collector.prepare_readers_writers()
except ConfigurationError, e:
log.error(e.msg)
sys.exit(-1)
log.info("daemon_conf.py settings (missing values are replaced by defaults):\n %s" %
pprint.pformat(collector.daemon_conf))
log.info("conf.yaml settings:\n %s" %
pprint.pformat(collector.conf))
collector.start()
self.server.start()
self.log.info('Web started.')
except Exception, e:
self.log.error("Cannot start server")
self.log.error(traceback.format_exc())
sys.exit(-1)
def start(self):
"""Starts the collector"""
self.start_pairs()
if self.enable_server:
self.start_server()
self.log.info("Collector started.")
def __str__(self):
return str(self.__dict__)
if __name__ == '__main__':
import conf_reader as cr
import daemon_util as du
du.set_logging()
try:
conf = cr.read_yaml_conf()
daemon_conf = cr.read_daemon_conf()
except ConfigurationError, e:
print e.msg
sys.exit(-1)
Collector(conf=conf, daemon_conf=daemon_conf).start()
