def _monitor_conf_updates(self):
"""
Monitor all config files for any change
"""
LOG.info(_("Started configuration updates monitor"))
old_timestamp = {}
config_files = CONF.config_file
try:
for config_file in config_files:
old_timestamp[config_file] = self.\
_get_lastmodifiedtime(config_file)
while self.state not in (State.STOPPED, State.STOPPING):
try:
for config_file in config_files:
current_timestamp = self.\
_get_lastmodifiedtime(config_file)
if current_timestamp != old_timestamp[config_file]:
LOG.info(_("%s updated.") % config_file)
# reload all oslo config files
LOG.debug(_("Reloading oslo-config opts."))
config.parse(["--config-file=%s" %
f for f in config_files])
old_timestamp[config_file] = current_timestamp
eventlet.spawn_n(self._handle_conf_updates)
except OSError as e:
LOG.error(_("Failed to monitor file %(config_file)s."
"Cause %(error)s "), {'config_file': config_file,
'error': e})
time.sleep(CONF.conf_file_poll_interval)
except OSError as e:
LOG.error(_("Failed to monitor file %(config_file)s."
"Cause %(error)s "), {'config_file': config_file,
'error': e})
def test_parse(self):
config_file = os.path.join(self.temp_dir, "ovsvapp_agent.ini")
with open(config_file, 'w') as fd:
fd.write("[DEFAULT]\ntest_arg=test_val")
argv = ['test_config', '--config-file=%s' % config_file]
config.parse(argv[1:])
test_opts = [cfg.
StrOpt('test_arg',
help=_("Test CONF item"),
default=_("test_val_def"))]
CONF.register_opts(test_opts)
self.assertEqual(CONF.test_arg, "test_val")
def main():
signal.signal(signal.SIGTERM, signal_handler)
signal.signal(signal.SIGINT, signal_handler)
eventlet.monkey_patch()
config.parse(sys.argv[1:])
if not CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file"))
agent_obj = None
try:
config.setup_logging()
LOG.info(_("Loading agent %s"), CONF.agent_driver)
agent_obj = utils.load_object(CONF.agent_driver, agent.Agent)
agent_obj.start()
except Exception as e:
LOG.exception(_("Error in L2 agent service"))
if agent_obj:
agent_obj.stop()
sys.exit(_("ERROR: %s") % e)
