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 del_dp_interfaces():
config_filename = self.default_config
config_yaml = self._get_config_file(config_filename)
for dp_info in request.interfaces_config:
dp_port_nos = set()
dp_interfaces = config_yaml['dps'][dp_info.name]['interfaces']
for interface_info in dp_info.interfaces:
try:
del dp_interfaces[interface_info.port_no]
dp_port_nos.add(interface_info.port_no)
except KeyError:
continue
# second pass to clean up any mirroring
for interface in dp_interfaces:
port_mirror = set(dp_interfaces[interface].get(
'mirror', []))
if port_mirror:
dp_interfaces[interface]['mirror'] = list(port_mirror -
dp_port_nos)
if request.delete_empty_dp:
for dp_info in request.interfaces_config:
try:
if not dp_interfaces:
self._del_dp(dp_info.name, config_yaml)
except KeyError:
continue
self._set_config_file(config_filename, yaml_dump(config_yaml),
False, [])
return default_reply
def del_dps():
config_filename = self.default_config
config_yaml = self._get_config_file(config_filename)
for dp_request in request.interfaces_config:
self._del_dp(dp_request.name, config_yaml)
self._set_config_file(config_filename, yaml_dump(config_yaml),
False, [])
return default_reply
def _set_copro(self, config_filename, request):
config_yaml = self._get_config_file(config_filename)
interfaces = config_yaml['dps'][request.dp_name]['interfaces']
interfaces[request.port_no] = {
'description': request.description,
'coprocessor': {
'strategy': request.strategy
}
}
self._set_config_file(config_filename, yaml_dump(config_yaml), False,
[])
def set_dp_interfaces():
config_filename = self.default_config
config_yaml = self._get_config_file(config_filename)
for dp_request in request.interfaces_config:
interfaces = config_yaml['dps'][
dp_request.dp_name]['interfaces']
for interface_request in dp_request.interface_config:
interfaces[interface_request.port_no] = self._yaml_parse(
interface_request.config_yaml)
self._set_config_file(config_filename, yaml_dump(config_yaml),
False, [])
return default_reply
def _replace_config_file(self,
config_filename,
config_yaml,
config_dir=None):
if config_dir is None:
config_dir = self.config_dir
config_filename = self._validate_filename(config_filename)
with tempfile.NamedTemporaryFile(mode='wt',
dir=config_dir,
delete=False) as new_file:
new_file_name = new_file.name
new_file.write(yaml_dump(config_yaml))
os.rename(new_file_name, os.path.join(config_dir, config_filename))
def set_dps():
config_filename = self.default_config
config_yaml = self._get_config_file(config_filename)
existing_dp_ids = {
dp['dp_id']
for dp in config_yaml['dps'].values()
}
for dp_request in request.dp_config:
dp_config_yaml = self._yaml_parse(dp_request.config_yaml)
while not 'dp_id' in dp_config_yaml:
new_dp_id = random.randint(1, 2**64 - 1)
if new_dp_id not in existing_dp_ids:
dp_config_yaml['dp_id'] = new_dp_id
config_yaml['dps'][dp_request.dp_name] = dp_config_yaml
self._set_config_file(config_filename, yaml_dump(config_yaml),
False, [])
return default_reply
def set_remote_mirror_port():
config_filename = self.default_config
config_yaml = self._get_config_file(config_filename)
config_yaml.setdefault('acls', {})
acl_name = f'remote-mirror-{request.tunnel_vid}-{request.remote_dp_name}' \
f'-{request.remote_port_no}'
config_yaml['acls'][acl_name] = make_acl([
{
'vlan_vid': request.tunnel_vid,
'actions': {
'allow': 0
}
},
{
'actions': {
'allow': 0,
'output': {
'tunnel': {
'dp': request.remote_dp_name,
'port': request.remote_port_no,
'tunnel_id': request.tunnel_vid,
'type': 'vlan'
}
}
}
},
])
dp = config_yaml['dps'][request.dp_name] # pylint: disable=invalid-name
dp['interfaces'][request.port_no] = {
'acls_in': [acl_name],
'coprocessor': {
'strategy': 'vlan_vid',
},
'description': 'loopback'
}
self._set_config_file(config_filename, yaml_dump(config_yaml),
False, [])
return default_reply
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')
def get_config_file():
config_filename = request.config_filename
if not config_filename:
config_filename = self.default_config
return faucetconfrpc_pb2.GetConfigFileReply(
config_yaml=yaml_dump(self._get_config_file(config_filename)))