def run(self):
"""
Run daemon
* change effective uid/gid
* start thread for each check
* start webserver
"""
lg.info("Starting daemon")
# Change effective UID/GID
if self.conf.has_key('uid') and self.conf.has_key('gid'):
if os.geteuid != self.conf['uid'] and os.getegid != self.conf[
'gid']:
try:
os.setegid(self.conf['gid'])
os.seteuid(self.conf['uid'])
except TypeError as e:
lg.error(
"Config parameters uid/gid have to be integers: %s" %
e)
except OSError as e:
lg.error("Can't switch effective UID/GID to %s/%s: %s" %
(self.conf['uid'], self.conf['gid'], e))
lg.exception(e)
self._shutdown(exitcode=1)
else:
lg.info("Not changing effective UID/GID, keeping %s/%s" %
(os.geteuid(), os.getegid()))
if not isinstance(self.conf['bind_port'], int):
lg.error("Config parameter bind_port has to be integer")
# Initialize plugin manager
config = {}
for key in ['plugins', 'templates', 'actions']:
try:
config[key] = self.conf[key]
except KeyError as e:
lg.warn("Config section not found: %s" % e)
# Check we have some plugins configured
if not config['plugins']:
lg.error('No configured plugins')
self._shutdown(exitcode=1)
try:
self.pluginmgr = PluginManager(**config)
except Exception as e:
lg.error("Can't initialize PluginManager")
lg.exception(e)
self._shutdown(exitcode=1)
try:
self.pluginmgr.start()
except Exception as e:
lg.error("Can't start PluginManager")
lg.exception(e)
self._shutdown(exitcode=1)
lg.info("Starting webserver on %(bind_host)s:%(bind_port)s" %
self.conf)
try:
self.server = ThreadedHTTPServer(
(self.conf['bind_host'], self.conf['bind_port']), HTTPHandler,
self)
try:
self.server.serve_forever()
except select.error as e:
# Suppress exception during shutdown
# (4, 'Interrupted system call')
pass
except KeyboardInterrupt:
lg.info("Interrupted")
except Exception as e:
lg.error("Can't start HTTP server: %s" % e)
lg.exception(e)
self._shutdown(exitcode=1)
def run(self):
"""
Run daemon
* change effective uid/gid
* start thread for each check
* start webserver
"""
lg.info("Starting daemon")
# Change effective UID/GID
if 'uid' in self.conf and 'gid' in self.conf:
if os.geteuid != self.conf['uid'] and os.getegid != self.conf[
'gid']:
try:
os.setegid(self.conf['gid'])
os.seteuid(self.conf['uid'])
except TypeError as e:
lg.error(
"Config parameters uid/gid have to be integers: %s" %
e)
except OSError as e:
lg.error("Can't switch effective UID/GID to %s/%s: %s" %
(self.conf['uid'], self.conf['gid'], e))
lg.exception(e)
self._shutdown(exitcode=1)
else:
lg.info("Not changing effective UID/GID, keeping %s/%s" %
(os.geteuid(), os.getegid()))
if not isinstance(self.conf['bind_port'], int):
lg.error("Config parameter bind_port has to be integer")
# Initialize plugin manager
config = {}
for key in ['plugins', 'templates', 'actions']:
try:
config[key] = self.conf[key]
except KeyError as e:
lg.warn("Config section not found: %s" % e)
# Check we have some plugins configured
if not config['plugins']:
lg.error('No configured plugins')
self._shutdown(exitcode=1)
if 'nr_concurrent_plugins' in self.conf:
config['semaphore_count'] = self.conf['nr_concurrent_plugins']
try:
self.pluginmgr = PluginManager(**config)
except Exception as e:
lg.error("Can't initialize PluginManager")
lg.exception(e)
self._shutdown(exitcode=1)
lg.info("Starting webserver on %(bind_host)s:%(bind_port)s" %
self.conf)
try:
self.server = RestServer(self)
self.server.start()
except Exception as e:
lg.error("Can't start HTTP server: %s" % e)
lg.exception(e)
self._shutdown(exitcode=1)
# Catch SIGINT and SIGTERM if supported
if hasattr(signal, 'SIGINT'):
signal.signal(signal.SIGINT, self._shutdown)
if hasattr(signal, 'SIGTERM'):
signal.signal(signal.SIGTERM, self._shutdown)
if hasattr(signal, 'SIGHUP'):
signal.signal(signal.SIGHUP, self._reopen_logfiles)
self._watchdog()
