def build(self, meters, vid, port_num):
"""Check that ACL can be built from config."""
class NullRyuDatapath:
"""Placeholder Ryu Datapath."""
ofproto = valve_of.ofp
self.matches = {}
self.set_fields = set()
self.meter = False
if self.rules:
try:
ofmsgs = valve_acl.build_acl_ofmsgs(
[self],
wildcard_table,
valve_of.goto_table(wildcard_table),
valve_of.goto_table(wildcard_table),
2**16 - 1,
meters,
self.exact_match,
vlan_vid=vid,
port_num=port_num)
except (netaddr.core.AddrFormatError, KeyError, ValueError) as err:
raise InvalidConfigError(err)
test_config_condition(not ofmsgs, 'OF messages is empty')
for ofmsg in ofmsgs:
ofmsg.datapath = NullRyuDatapath()
ofmsg.set_xid(0)
try:
ofmsg.serialize()
except (KeyError, ValueError) as err:
raise InvalidConfigError(err)
except Exception as err:
print(ofmsg)
raise err
if valve_of.is_flowmod(ofmsg):
apply_actions = []
for inst in ofmsg.instructions:
if valve_of.is_apply_actions(inst):
apply_actions.extend(inst.actions)
elif valve_of.is_meter(inst):
self.meter = True
for action in apply_actions:
if valve_of.is_set_field(action):
self.set_fields.add(action.key)
for match, value in list(ofmsg.match.items()):
has_mask = isinstance(value, (tuple, list))
if has_mask or match not in self.matches:
self.matches[match] = has_mask
return (self.matches, self.set_fields, self.meter)
def build(self, meters, vid, port_num):
"""Check that ACL can be built from config."""
class NullRyuDatapath:
"""Placeholder Ryu Datapath."""
ofproto = valve_of.ofp
self.matches = {}
self.set_fields = set()
self.meter = False
if self.rules:
try:
ofmsgs = valve_acl.build_acl_ofmsgs(
[self], wildcard_table,
[valve_of.goto_table(wildcard_table)],
[valve_of.goto_table(wildcard_table)],
2**16-1, meters, self.exact_match,
vlan_vid=vid, port_num=port_num)
except (netaddr.core.AddrFormatError, KeyError, ValueError) as err:
raise InvalidConfigError(err)
test_config_condition(not ofmsgs, 'OF messages is empty')
for ofmsg in ofmsgs:
ofmsg.datapath = NullRyuDatapath()
ofmsg.set_xid(0)
try:
ofmsg.serialize()
except (KeyError, ValueError) as err:
raise InvalidConfigError(err)
except Exception as err:
print(ofmsg)
raise err
if valve_of.is_flowmod(ofmsg):
apply_actions = []
for inst in ofmsg.instructions:
if valve_of.is_apply_actions(inst):
apply_actions.extend(inst.actions)
elif valve_of.is_meter(inst):
self.meter = True
for action in apply_actions:
if valve_of.is_set_field(action):
self.set_fields.add(action.key)
for match, value in ofmsg.match.items():
has_mask = isinstance(value, (tuple, list))
if has_mask or match not in self.matches:
self.matches[match] = has_mask
return (self.matches, self.set_fields, self.meter)
def build_acl(acl, vid):
"""Check that ACL can be built from config and mark mirror destinations."""
matches = {}
set_fields = set()
meter = False
if acl.rules:
try:
ofmsgs = valve_acl.build_acl_ofmsgs(
[acl],
self.wildcard_table,
valve_of.goto_table(self.wildcard_table),
valve_of.goto_table(self.wildcard_table),
2**16 - 1,
self.meters,
acl.exact_match,
vlan_vid=vid)
except (netaddr.core.AddrFormatError, KeyError,
ValueError) as err:
raise InvalidConfigError(err)
test_config_condition(not ofmsgs, 'OF messages is empty')
for ofmsg in ofmsgs:
ofmsg.datapath = NullRyuDatapath()
ofmsg.set_xid(0)
try:
ofmsg.serialize()
except (KeyError, ValueError) as err:
raise InvalidConfigError(err)
if valve_of.is_flowmod(ofmsg):
apply_actions = []
for inst in ofmsg.instructions:
if valve_of.is_apply_actions(inst):
apply_actions.extend(inst.actions)
elif valve_of.is_meter(inst):
meter = True
for action in apply_actions:
if valve_of.is_set_field(action):
set_fields.add(action.key)
for match, value in list(ofmsg.match.items()):
has_mask = isinstance(value, (tuple, list))
if has_mask or match not in matches:
matches[match] = has_mask
for port_no in mirror_destinations:
port = self.ports[port_no]
port.output_only = True
return (matches, set_fields, meter)
def _trim_actions(self, actions):
new_actions = []
pending_actions = []
for action in actions:
if action.type in (valve_of.ofp.OFPAT_GROUP,
valve_of.ofp.OFPAT_OUTPUT):
new_actions.extend(pending_actions)
new_actions.append(action)
pending_actions = []
else:
pending_actions.append(action)
set_fields = {
action.key
for action in new_actions if valve_of.is_set_field(action)
}
if self.table_id != valve_of.ofp.OFPTT_ALL and set_fields:
assert set_fields.issubset(self.set_fields), (
'unexpected set fields %s configured %s in %s' %
(set_fields, self.set_fields, self.name))
return new_actions
def _trim_actions(self, actions):
new_actions = []
pending_actions = []
for action in actions:
if action.type in (valve_of.ofp.OFPAT_GROUP,
valve_of.ofp.OFPAT_OUTPUT):
new_actions.extend(pending_actions)
new_actions.append(action)
pending_actions = []
else:
pending_actions.append(action)
if self.table_id != valve_of.ofp.OFPTT_ALL:
set_fields = {
action.key
for action in new_actions if valve_of.is_set_field(action)
}
assert not set_fields or set_fields.issubset(self.set_fields), (
f'unexpected set fields {set_fields} configured {self.set_fields} in {self.name}'
)
return new_actions
def build(self, meters, vid, port_num):
"""Check that ACL can be built from config."""
self.matches = {}
self.set_fields = set()
self.meter = False
if self.rules:
try:
ofmsgs = valve_acl.build_acl_ofmsgs(
[self], wildcard_table,
[valve_of.goto_table(wildcard_table)],
[valve_of.goto_table(wildcard_table)],
2**16-1, meters, self.exact_match,
vlan_vid=vid, port_num=port_num)
except (netaddr.core.AddrFormatError, KeyError, ValueError) as err:
raise InvalidConfigError from err
test_config_condition(not ofmsgs, 'OF messages is empty')
for ofmsg in ofmsgs:
try:
valve_of.verify_flowmod(ofmsg)
except (KeyError, ValueError) as err:
raise InvalidConfigError from err
except Exception as err:
raise err
if valve_of.is_flowmod(ofmsg):
apply_actions = []
for inst in ofmsg.instructions:
if valve_of.is_apply_actions(inst):
apply_actions.extend(inst.actions)
elif valve_of.is_meter(inst):
self.meter = True
for action in apply_actions:
if valve_of.is_set_field(action):
self.set_fields.add(action.key)
for match, value in ofmsg.match.items():
has_mask = isinstance(value, (tuple, list))
if has_mask or match not in self.matches:
self.matches[match] = has_mask
for tunnel_rules in self.tunnel_dests.values():
if 'exit_instructions' in tunnel_rules:
exit_inst = tunnel_rules['exit_instructions']
try:
ofmsgs = valve_acl.build_tunnel_ofmsgs(
exit_inst, wildcard_table, 1)
except (netaddr.core.AddrFormatError, KeyError, ValueError) as err:
raise InvalidConfigError from err
test_config_condition(not ofmsgs, 'OF messages is empty')
for ofmsg in ofmsgs:
try:
valve_of.verify_flowmod(ofmsg)
except (KeyError, ValueError) as err:
raise InvalidConfigError from err
except Exception as err:
raise err
if valve_of.is_flowmod(ofmsg):
apply_actions = []
for inst in ofmsg.instructions:
if valve_of.is_apply_actions(inst):
apply_actions.extend(inst.actions)
elif valve_of.is_meter(inst):
self.meter = True
for action in apply_actions:
if valve_of.is_set_field(action):
self.set_fields.add(action.key)
for match, value in ofmsg.match.items():
has_mask = isinstance(value, (tuple, list))
if has_mask or match not in self.matches:
self.matches[match] = has_mask
return (self.matches, self.set_fields, self.meter)