def _load_config(self):
"""Load Gauge config."""
try:
new_confs = watcher_parser(self.config_file, self.logname,
self.prom_client)
except InvalidConfigError as err:
self.logger.error('invalid config: %s', err)
return
for old_watchers in self.watchers.values():
self._stop_watchers(old_watchers)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname,
self.prom_client)
watcher_dpid = watcher.dp.dp_id
watcher_type = watcher.conf.type
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if watcher_type not in new_watchers[watcher_dpid]:
new_watchers[watcher_dpid][watcher_type] = []
new_watchers[watcher_dpid][watcher_type].append(watcher)
timestamp = time.time()
for watcher_dpid, watchers in new_watchers.items():
ryu_dp = self.dpset.get(watcher_dpid)
if ryu_dp:
self._start_watchers(ryu_dp, watchers, timestamp)
self.watchers = new_watchers
self.config_watcher.update(self.config_file)
self.logger.info('config complete')
def _load_config(self):
"""Load Gauge config."""
for watcher_dpid, old_watchers in list(self.watchers.items()):
self._stop_watchers(watcher_dpid, old_watchers)
new_confs = watcher_parser(self.config_file, self.logname, self.prom_client)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname, self.prom_client)
watcher_dpid = watcher.dp.dp_id
watcher_type = watcher.conf.type
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if watcher_type not in new_watchers[watcher_dpid]:
new_watchers[watcher_dpid][watcher_type] = []
new_watchers[watcher_dpid][watcher_type].append(watcher)
for watcher_dpid, watchers in list(new_watchers.items()):
ryu_dp = self.dpset.get(watcher_dpid)
if ryu_dp:
self._start_watchers(ryu_dp, watcher_dpid, watchers)
self.watchers = new_watchers
self.config_watcher.update(self.config_file)
self.logger.info('config complete')
def _load_config(self):
"""Load Gauge config."""
try:
new_confs = watcher_parser(self.config_file, self.logname, self.prom_client)
except InvalidConfigError as err:
self.logger.error('invalid config: %s', err)
return
for old_watchers in self.watchers.values():
self._stop_watchers(old_watchers)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname, self.prom_client)
watcher_dpid = watcher.dp.dp_id
watcher_type = watcher.conf.type
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if watcher_type not in new_watchers[watcher_dpid]:
new_watchers[watcher_dpid][watcher_type] = []
new_watchers[watcher_dpid][watcher_type].append(watcher)
timestamp = time.time()
for watcher_dpid, watchers in new_watchers.items():
ryu_dp = self.dpset.get(watcher_dpid)
if ryu_dp:
self._start_watchers(ryu_dp, watchers, timestamp)
self.watchers = new_watchers
self.config_watcher.update(self.config_file)
self.logger.info('config complete')
def __init__(self, *args, **kwargs):
super(Gauge, self).__init__(*args, **kwargs)
sysprefix = get_sys_prefix()
self.config_file = os.getenv('GAUGE_CONFIG',
sysprefix + '/etc/ryu/faucet/gauge.yaml')
self.exc_logfile = os.getenv(
'GAUGE_EXCEPTION_LOG',
sysprefix + '/var/log/ryu/faucet/gauge_exception.log')
self.logfile = os.getenv('GAUGE_LOG',
sysprefix + '/var/log/ryu/faucet/gauge.log')
# Setup logging
self.logger = get_logger(self.logname, self.logfile, logging.DEBUG, 0)
# Set up separate logging for exceptions
self.exc_logger = get_logger(self.exc_logname, self.exc_logfile,
logging.DEBUG, 1)
# Set the signal handler for reloading config file
signal.signal(signal.SIGHUP, self.signal_handler)
# dict of watchers/handlers:
# indexed by dp_id and then by name
self.watchers = {}
confs = watcher_parser(self.config_file, self.logname)
for conf in confs:
watcher = watcher_factory(conf)(conf, self.logname)
self.watchers.setdefault(watcher.dp.dp_id, {})
self.watchers[watcher.dp.dp_id][watcher.conf.type] = watcher
# Create dpset object for querying Ryu's DPSet application
self.dpset = kwargs['dpset']
def _load_config(self):
"""Load Gauge config."""
new_confs = watcher_parser(self.config_file, self.logname, self.prom_client)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname, self.prom_client)
watcher_dpid = watcher.dp.dp_id
ryu_dp = self.dpset.get(watcher_dpid)
watcher_type = watcher.conf.type
watcher_msg = '%s %s watcher' % (dpid_log(watcher_dpid), watcher_type)
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if watcher_type not in new_watchers[watcher_dpid]:
# remove old watchers for this stat
if (watcher_dpid in self.watchers and
watcher_type in self.watchers[watcher_dpid]):
old_watchers = self.watchers[watcher_dpid][watcher_type]
for old_watcher in old_watchers:
if old_watcher.running():
self.logger.info('%s stopped', watcher_msg)
old_watcher.stop()
del self.watchers[watcher_dpid][watcher_type]
# start new watcher
new_watchers[watcher_dpid][watcher_type] = [watcher]
if ryu_dp is None:
watcher.report_dp_status(0)
self.logger.info('%s added but DP currently down', watcher_msg)
else:
watcher.report_dp_status(1)
watcher.start(ryu_dp, True)
self.logger.info('%s started', watcher_msg)
else:
new_watchers[watcher_dpid][watcher_type].append(watcher)
watcher.start(ryu_dp, False)
for watcher_dpid, leftover_watchers in list(self.watchers.items()):
for watcher_type, watcher in list(leftover_watchers.items()):
watcher.report_dp_status(0)
if watcher.running():
self.logger.info(
'%s %s deconfigured', dpid_log(watcher_dpid), watcher_type)
watcher.stop()
self.watchers = new_watchers
self.logger.info('config complete')
def _load_config(self):
"""Load Gauge config."""
try:
conf_hash, _faucet_config_files, faucet_conf_hashes, new_confs = watcher_parser(
self.config_file, self.logname, self.prom_client)
watchers = [
watcher_factory(watcher_conf)(watcher_conf, self.logname,
self.prom_client)
for watcher_conf in new_confs
]
self.prom_client.reregister_nonflow_vars()
except InvalidConfigError as err:
self.config_watcher.update(self.config_file)
self.logger.error('invalid config: %s', err)
return
for old_watchers in self.watchers.values():
self._stop_watchers(old_watchers)
new_watchers = {}
for watcher in watchers:
watcher_dpid = watcher.dp.dp_id
watcher_type = watcher.conf.type
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if watcher_type not in new_watchers[watcher_dpid]:
new_watchers[watcher_dpid][watcher_type] = []
new_watchers[watcher_dpid][watcher_type].append(watcher)
timestamp = time.time()
for watcher_dpid, watchers in new_watchers.items():
ryu_dp = self.dpset.get(watcher_dpid)
if ryu_dp:
self._start_watchers(ryu_dp, watchers, timestamp)
self.watchers = new_watchers
self.config_watcher.update(self.config_file,
{self.config_file: conf_hash})
self.faucet_config_watchers = []
for faucet_config_file, faucet_conf_hash in faucet_conf_hashes.items():
faucet_config_watcher = ConfigWatcher()
faucet_config_watcher.update(faucet_config_file, faucet_conf_hash)
self.faucet_config_watchers.append(faucet_config_watcher)
self.logger.info('watching FAUCET config %s', faucet_config_file)
self.logger.info('config complete')
def _load_config(self):
"""Load Gauge config."""
self.config_file = os.getenv('GAUGE_CONFIG', self.config_file)
new_confs = watcher_parser(self.config_file, self.logname,
self.prom_client)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname,
self.prom_client)
watcher_dpid = watcher.dp.dp_id
ryu_dp = self.dpset.get(watcher_dpid)
watcher_type = watcher.conf.type
watcher_msg = '%s %s watcher' % (dpid_log(watcher_dpid),
watcher_type)
if watcher_dpid not in new_watchers:
new_watchers[watcher_dpid] = {}
if (watcher_dpid in self.watchers
and watcher_type in self.watchers[watcher_dpid]):
old_watcher = self.watchers[watcher_dpid][watcher_type]
if old_watcher.running():
self.logger.info('%s stopped', watcher_msg)
old_watcher.stop()
del self.watchers[watcher_dpid][watcher_type]
new_watchers[watcher_dpid][watcher_type] = watcher
if ryu_dp is None:
self.logger.info('%s added but DP currently down', watcher_msg)
else:
new_watchers[watcher_dpid][watcher_type].start(ryu_dp)
self.logger.info('%s started', watcher_msg)
for watcher_dpid, leftover_watchers in list(self.watchers.items()):
for watcher_type, watcher in list(leftover_watchers.items()):
if watcher.running():
self.logger.info('%s %s deconfigured',
dpid_log(watcher_dpid), watcher_type)
watcher.stop()
self.watchers = new_watchers
self.logger.info('config complete')
def reload_config(self, ryu_event):
self.config_file = os.getenv('GAUGE_CONFIG', self.config_file)
new_confs = watcher_parser(self.config_file, self.logname)
new_watchers = {}
for conf in new_confs:
watcher = watcher_factory(conf)(conf, self.logname)
new_watchers.setdefault(watcher.dp.dp_id, {})
new_watchers[watcher.dp.dp_id][watcher.conf.type] = watcher
for dp_id, watchers in self.watchers:
for watcher_type, watcher in watchers:
try:
new_watcher = new_watchers[dp_id][watcher_type]
self.watchers[dp_id][watcher_type] = new_watcher
except KeyError:
del self.watchers[dp_id][watcher_type]
if watcher.running():
watcher.stop()
new_watcher.start(self.dpset.get(dp_id))