def test_flow_stats(self):
"""Check the update method in the GaugeFlowStatsLogger class"""
# add an ofproto attribute to the datapath
datapath = create_mock_datapath(0)
ofp_attr = {'ofproto': ofproto}
datapath.configure_mock(**ofp_attr)
# add the datapath as an attribute to the config
dp_attr = {'dp': datapath}
self.conf.configure_mock(**dp_attr)
logger = watcher.GaugeFlowTableLogger(self.conf, '__name__',
mock.Mock())
logger._running = True
instructions = [parser.OFPInstructionGotoTable(1)]
msg = flow_stats_msg(datapath, instructions)
rcv_time = time.time()
rcv_time_str = logger._rcv_time(rcv_time)
logger.update(rcv_time, msg)
log_str = self.get_file_contents("{}--flowtable--{}.json".format(
datapath.name, rcv_time_str))
yaml_dict = yaml_load(
log_str)['OFPFlowStatsReply']['body'][0]['OFPFlowStats']
compare_flow_msg(msg, yaml_dict, self)
def verify_vlan_change(self):
"""Change host VLAN, check restart of rules consistent"""
_, host_port_maps, _ = self.topo.create_port_maps()
yaml_config = yaml_load(self.CONFIG)
intf_config = yaml_config['dps'][
self.topo.switches_by_id[1]]['interfaces']
for host_i in host_port_maps:
# Find a host on the second switch
if 1 in host_port_maps[host_i]:
port = host_port_maps[host_i][1][0]
if 'native_vlan' in intf_config[port]:
prev_name = intf_config[port]['native_vlan']
for v_i in range(self.NUM_VLANS):
# Make sure that the new VLAN will be different
new_name = self.topo.vlan_name(v_i)
if new_name != prev_name:
intf_config[port]['native_vlan'] = new_name
break
else:
# Keep on searching for a host VLAN to change
continue
# Created a different VLAN so now stop searching
break
new_config = yaml_dump(yaml_config)
self.update_and_revert_config(self.CONFIG, new_config, None)
def _yaml_parse(config_yaml_str):
try:
return yaml_load(config_yaml_str)
except (TypeError, UnicodeDecodeError, ValueError, ScannerError,
DuplicateKeyError, ComposerError, ConstructorError,
ParserError) as err: # pytype: disable=name-error
raise _ServerError(f'YAML error: {err}') # pylint: disable=raise-missing-from
def test_unmirror(self):
config = yaml_load(self.CONFIG)
del config['dps']['s1']['interfaces']['p5']['mirror']
self.update_config(yaml_dump(config), reload_type='warm')
def test_hard(self):
config = yaml_load(self.CONFIG)
config['dps']['s1']['interfaces']['p1']['acls_in'] = ['acl2']
# Changed match conditions require restart.
self.update_config(yaml_dump(config), reload_type='cold')
def test_soft(self):
config = yaml_load(self.CONFIG)
config['dps']['s1']['interfaces']['p1']['acls_in'] = ['acl2']
# We changed match conditions only, so this can be a warm start.
self.update_config(yaml_dump(config), reload_type='warm')