class OVirtAgentDaemon:
def __init__(self):
logging.config.fileConfig(AGENT_CONFIG)
def run(self, daemon, pidfile):
logging.info("Starting oVirt guest agent")
config = ConfigParser.ConfigParser()
config.read(AGENT_CONFIG)
self.agent = LinuxVdsAgent(config)
if daemon:
self._daemonize()
f = file(pidfile, "w")
f.write("%s\n" % (os.getpid()))
f.close()
os.chmod(pidfile, 0644) # rw-rw-r-- (664)
self.register_signal_handler()
self.agent.run()
logging.info("oVirt guest agent is down.")
def _daemonize(self):
if os.getppid() == 1:
raise RuntimeError("already a daemon")
pid = os.fork()
if pid == 0:
os.umask(0)
os.setsid()
os.chdir("/")
self._reopen_file_as_null(sys.stdin)
self._reopen_file_as_null(sys.stdout)
self._reopen_file_as_null(sys.stderr)
else:
os._exit(0)
def _reopen_file_as_null(self, oldfile):
nullfile = file("/dev/null", "rw")
os.dup2(nullfile.fileno(), oldfile.fileno())
nullfile.close()
def register_signal_handler(self):
def sigterm_handler(signum, frame):
logging.debug("Handling signal %d" % (signum))
if signum == signal.SIGTERM:
logging.info("Stopping oVirt guest agent")
self.agent.stop()
signal.signal(signal.SIGTERM, sigterm_handler)
class OVirtAgentDaemon:
def __init__(self):
logging.config.fileConfig(AGENT_CONFIG)
def run(self, daemon, pidfile):
logging.info("Starting oVirt guest agent")
config = ConfigParser.ConfigParser()
config.read(AGENT_CONFIG)
self.agent = LinuxVdsAgent(config)
if daemon:
self._daemonize()
f = file(pidfile, "w")
f.write("%s\n" % (os.getpid()))
f.close()
os.chmod(pidfile, 0x1b4) # rw-rw-r-- (664)
self.register_signal_handler()
self.agent.run()
logging.info("oVirt guest agent is down.")
def _daemonize(self):
if os.getppid() == 1:
raise RuntimeError, "already a daemon"
pid = os.fork()
if pid == 0:
os.umask(0)
os.setsid()
os.chdir("/")
self._reopen_file_as_null(sys.stdin)
self._reopen_file_as_null(sys.stdout)
self._reopen_file_as_null(sys.stderr)
else:
os._exit(0)
def _reopen_file_as_null(self, oldfile):
nullfile = file("/dev/null", "rw")
os.dup2(nullfile.fileno(), oldfile.fileno())
nullfile.close()
def register_signal_handler(self):
def sigterm_handler(signum, frame):
logging.debug("Handling signal %d" % (signum))
if signum == signal.SIGTERM:
logging.info("Stopping oVirt guest agent")
self.agent.stop()
signal.signal(signal.SIGTERM, sigterm_handler)
def run(self, daemon, pidfile):
logging.info("Starting oVirt guest agent")
config = ConfigParser.ConfigParser()
config.read(AGENT_CONFIG)
self.agent = LinuxVdsAgent(config)
if daemon:
self._daemonize()
f = file(pidfile, "w")
f.write("%s\n" % (os.getpid()))
f.close()
os.chmod(pidfile, 0x1b4) # rw-rw-r-- (664)
self.register_signal_handler()
self.agent.run()
logging.info("oVirt guest agent is down.")
def run(self, daemon, pidfile):
logging.info("Starting oVirt guest agent")
config = ConfigParser.ConfigParser()
config.read(AGENT_CONFIG)
self.agent = LinuxVdsAgent(config)
if daemon:
self._daemonize()
f = file(pidfile, "w")
f.write("%s\n" % (os.getpid()))
f.close()
os.chmod(pidfile, 0644) # rw-rw-r-- (664)
self.register_signal_handler()
self.agent.run()
logging.info("oVirt guest agent is down.")
