def setUp(self):
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.table = FakeOFTable(self.NUM_TABLES)
dp = self.update_config(self.CONFIG)
self.valve = valve_factory(dp)(dp, 'test_valve')
# establish connection to datapath
ofmsgs = self.valve.datapath_connect(self.DP_ID,
range(1, self.NUM_PORTS + 1))
self.table.apply_ofmsgs(ofmsgs)
# learn some mac addresses
self.rcv_packet(1, 0x100, {
'eth_src': self.P1_V100_MAC,
'eth_dst': self.UNKNOWN_MAC
})
self.rcv_packet(2, 0x200, {
'eth_src': self.P2_V200_MAC,
'eth_dst': self.P3_V200_MAC,
'vid': 0x200
})
self.rcv_packet(3, 0x200, {
'eth_src': self.P3_V200_MAC,
'eth_dst': self.P2_V200_MAC,
'vid': 0x200
})
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.table = FakeOFTable(self.NUM_TABLES)
dp = self.update_config(self.CONFIG)
self.valve = valve_factory(dp)(dp, 'test_valve')
# establish connection to datapath
ofmsgs = self.valve.datapath_connect(
self.DP_ID,
range(1, self.NUM_PORTS + 1)
)
self.table.apply_ofmsgs(ofmsgs)
# learn some mac addresses
self.rcv_packet(1, 0x100, {
'eth_src': self.P1_V100_MAC,
'eth_dst': self.UNKNOWN_MAC
})
self.rcv_packet(2, 0x200, {
'eth_src': self.P2_V200_MAC,
'eth_dst': self.P3_V200_MAC,
'vid': 0x200
})
self.rcv_packet(3, 0x200, {
'eth_src': self.P3_V200_MAC,
'eth_dst': self.P2_V200_MAC,
'vid': 0x200
})
def check_config(conf_files, debug_level, check_output_file):
"""Return True and successful config dict, if all config can be parsed."""
logname = os.devnull
logger = logging.getLogger('%s.config' % logname)
logger_handler = logging.StreamHandler(stream=sys.stderr)
logger.addHandler(logger_handler)
logger.propagate = 0
logger.setLevel(debug_level)
check_output = []
for conf_file in conf_files:
check_result = False
try:
_, dps = dp_parser(conf_file, logname)
if dps is not None:
dps_conf = [(valve.valve_factory(dp), dp.to_conf())
for dp in dps]
check_output.extend([conf for _, conf in dps_conf])
check_result = True
continue
except InvalidConfigError as config_err:
check_output = [config_err]
break
pprint.pprint(check_output, stream=check_output_file)
return check_result
def check_config(conf_files, debug_level, check_output_file):
"""Return True and successful config dict, if all config can be parsed."""
logname = os.devnull
logger = logging.getLogger('%s.config' % logname)
logger_handler = logging.StreamHandler(stream=sys.stderr)
logger.addHandler(logger_handler)
logger.propagate = 0
logger.setLevel(debug_level)
check_output = ''
check_result = False
for conf_file in conf_files:
try:
_, dps = dp_parser(conf_file, logname)
for dp in dps:
valve_dp = valve.valve_factory(dp)
if valve_dp is None:
check_result = False
break
check_output = dp.to_conf()
check_result = True
except InvalidConfigError as config_err:
check_output = config_err
check_output_file.write(str(check_output))
return check_result
def check_config(conf_files, debug_level, check_output_file):
"""Return True and successful config dict, if all config can be parsed."""
logname = os.devnull
logger = logging.getLogger('%s.config' % logname)
logger_handler = logging.StreamHandler(stream=sys.stderr)
logger.addHandler(logger_handler)
logger.propagate = 0
logger.setLevel(debug_level)
check_output = []
if conf_files:
for conf_file in conf_files:
check_result = False
try:
_, dps = dp_parser(conf_file, logname)
if dps is not None:
dps_conf = [(valve.valve_factory(dp), dp.to_conf()) for dp in dps]
check_output.extend([conf for _, conf in dps_conf])
check_result = True
continue
except InvalidConfigError as config_err:
check_output = [config_err]
break
else:
check_result = False
check_output = ['no files specified']
pprint.pprint(check_output, stream=check_output_file)
return check_result
def __init__(self, *args, **kwargs):
super(Faucet, self).__init__(*args, **kwargs)
# There doesnt seem to be a sensible method of getting command line
# options into ryu apps. Instead I am using the environment variable
# FAUCET_CONFIG to allow this to be set, if it is not set it will
# default to valve.yaml
sysprefix = get_sys_prefix()
self.config_file = os.getenv('FAUCET_CONFIG',
sysprefix + '/etc/ryu/faucet/faucet.yaml')
self.logfile = os.getenv('FAUCET_LOG',
sysprefix + '/var/log/ryu/faucet/faucet.log')
self.exc_logfile = os.getenv(
'FAUCET_EXCEPTION_LOG',
sysprefix + '/var/log/ryu/faucet/faucet_exception.log')
# Set the signal handler for reloading config file
signal.signal(signal.SIGHUP, self.signal_handler)
# Create dpset object for querying Ryu's DPSet application
self.dpset = kwargs['dpset']
# 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)
# TODO: metrics instance can be passed to Valves also,
# for DP specific instrumentation.
self.metrics = FaucetMetrics()
prom_port = int(os.getenv('FAUCET_PROMETHEUS_PORT', '9244'))
start_http_server(prom_port)
# Set up a valve object for each datapath
self.valves = {}
self.config_hashes, valve_dps = dp_parser(self.config_file,
self.logname)
for valve_dp in valve_dps:
# pylint: disable=no-member
valve_cl = valve_factory(valve_dp)
if valve_cl is None:
self.logger.error('Hardware type not supported for DP: %s',
valve_dp.name)
else:
valve = valve_cl(valve_dp, self.logname)
self.valves[valve_dp.dp_id] = valve
valve.update_config_metrics(self.metrics)
self.gateway_resolve_request_thread = hub.spawn(
self.gateway_resolve_request)
self.host_expire_request_thread = hub.spawn(self.host_expire_request)
self.dp_bgp_speakers = {}
self._reset_bgp()
# Register to API
api = kwargs['faucet_api']
api._register(self)
self.send_event_to_observers(EventFaucetAPIRegistered())
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.table = FakeOFTable(7)
with open(self.config_file, 'w') as f:
f.write(self.CONFIG)
_, dps = dp_parser(self.config_file, 'test_valve')
self.valve = valve_factory(dps[0])(dps[0], 'test_valve')
# establish connection to datapath
ofmsgs = self.valve.datapath_connect(
self.DP_ID,
range(1, self.NUM_PORTS + 1)
)
self.table.apply_ofmsgs(ofmsgs)
# learn some mac addresses
self.rcv_packet(1, 100, {
'eth_src': self.P1_V100_MAC,
'eth_dst': self.UNKNOWN_MAC
})
self.rcv_packet(2, 200, {
'eth_src': self.P2_V200_MAC,
'eth_dst': self.P3_V200_MAC,
'vid': 200
})
self.rcv_packet(3, 200, {
'eth_src': self.P3_V200_MAC,
'eth_dst': self.P2_V200_MAC,
'vid': 200
})
def new_valve(self, new_dp):
valve_cl = valve_factory(new_dp)
if valve_cl is not None:
return valve_cl(new_dp, self.logname, self.metrics, self.notifier)
self.logger.error('%s hardware %s must be one of %s', new_dp.name,
new_dp.hardware,
sorted(list(SUPPORTED_HARDWARE.keys())))
return None
def _apply_configs_new(self, dp_id, new_dp):
self.logger.info('Add new datapath %s', dpid_log(dp_id))
valve_cl = valve_factory(new_dp)
if valve_cl is not None:
return valve_cl(new_dp, self.logname, self.notifier)
self.logger.error('%s hardware %s must be one of %s', new_dp.name,
new_dp.hardware,
sorted(list(SUPPORTED_HARDWARE.keys())))
return None
def new_valve(self, new_dp):
valve_cl = valve_factory(new_dp)
if valve_cl is not None:
return valve_cl(new_dp, self.logname, self.metrics, self.notifier, self.dot1x)
self.logger.error(
'%s hardware %s must be one of %s',
new_dp.name,
new_dp.hardware,
sorted(list(SUPPORTED_HARDWARE.keys())))
return None
def setup_valve(self, config):
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.table = FakeOFTable(self.NUM_TABLES)
self.faucet_event_sock = None
self.logger = None
self.metrics = None
self.notifier = faucet_experimental_event.FaucetExperimentalEventNotifier(
self.faucet_event_sock, self.metrics, self.logger)
dp = self.update_config(config)
self.valve = valve_factory(dp)(dp, 'test_valve', self.notifier)
def _load_configs(self, new_config_file):
self.config_file = new_config_file
self.config_hashes, new_dps = dp_parser(new_config_file, self.logname)
if new_dps is None:
self.logger.error('new config bad - rejecting')
return
deleted_valve_dpids = (set(list(self.valves.keys())) -
set([valve.dp_id for valve in new_dps]))
for new_dp in new_dps:
dp_id = new_dp.dp_id
if dp_id in self.valves:
valve = self.valves[dp_id]
cold_start, flowmods = valve.reload_config(new_dp)
# pylint: disable=no-member
if flowmods:
self._send_flow_msgs(new_dp.dp_id, flowmods)
if cold_start:
self.metrics.faucet_config_reload_cold.labels(
dp_id=hex(dp_id)).inc()
else:
self.metrics.faucet_config_reload_warm.labels(
dp_id=hex(dp_id)).inc()
else:
# pylint: disable=no-member
valve_cl = valve_factory(new_dp)
if valve_cl is None:
self.logger.error('%s hardware %s must be one of %s',
new_dp.name, new_dp.hardware,
sorted(list(SUPPORTED_HARDWARE.keys())))
continue
else:
valve = valve_cl(new_dp, self.logname)
self.valves[dp_id] = valve
self.logger.info('Add new datapath %s', dpid_log(dp_id))
self.metrics.reset_dpid(dp_id)
valve.update_config_metrics(self.metrics)
for deleted_valve_dpid in deleted_valve_dpids:
self.logger.info('Deleting de-configured %s',
dpid_log(deleted_valve_dpid))
del self.valves[deleted_valve_dpid]
ryu_dp = self.dpset.get(deleted_valve_dpid)
if ryu_dp is not None:
ryu_dp.close()
self._bgp.reset(self.valves, self.metrics)
def _validate_faucet_config(self, config_dir):
logname = os.devnull
try:
root_config = os.path.join(config_dir, self.default_config)
_, _, dps, top_confs = dp_parser(root_config, logname)
dps_conf = None
valve_cls = None
acls_conf = None
if dps is not None:
dps_conf = {dp.name: dp for dp in dps}
valve_cls = [valve.valve_factory(dp) for dp in dps]
acls_conf = top_confs.get('acls', {})
if dps_conf:
if not valve_cls:
raise InvalidConfigError('no valid DPs defined')
else:
dps_conf = {}
return (dps_conf, acls_conf)
except InvalidConfigError as err:
raise _ServerError(f'Invalid config: {err}') # pylint: disable=raise-missing-from
def check_config(conf_files):
logname = '/dev/null'
logger = logging.getLogger('%s.config' % logname)
logger_handler = logging.StreamHandler(stream=sys.stderr)
logger.addHandler(logger_handler)
logger.propagate = 0
logger.setLevel(logging.DEBUG)
for conf_file in conf_files:
parse_result = dp_parser(conf_file, logname)
if parse_result is None:
return False
else:
_, dps = parse_result
for dp in dps:
valve_dp = valve.valve_factory(dp)
if valve_dp is None:
return False
print((dp.to_conf()))
return True
def setup_valve(self, config):
"""Set up test DP with config."""
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.faucet_event_sock = os.path.join(self.tmpdir, 'event.sock')
self.logfile = os.path.join(self.tmpdir, 'faucet.log')
self.table = FakeOFTable(self.NUM_TABLES)
self.logger = valve_util.get_logger('faucet', self.logfile,
logging.DEBUG, 0)
self.registry = CollectorRegistry()
# TODO: verify Prometheus variables
self.metrics = faucet_metrics.FaucetMetrics(reg=self.registry) # pylint: disable=unexpected-keyword-arg
# TODO: verify events
self.notifier = faucet_experimental_event.FaucetExperimentalEventNotifier(
self.faucet_event_sock, self.metrics, self.logger)
self.notifier.start()
dp = self.update_config(config, self.DP)
self.valve = valve_factory(dp)(dp, 'test_valve', self.notifier)
self.valve.update_config_metrics(self.metrics)
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.connect(self.faucet_event_sock)
def setup_valve(self, config):
self.tmpdir = tempfile.mkdtemp()
self.config_file = os.path.join(self.tmpdir, 'valve_unit.yaml')
self.table = FakeOFTable(self.NUM_TABLES)
dp = self.update_config(config)
self.valve = valve_factory(dp)(dp, 'test_valve')
