def _build_ports(self):
self._port_pairs = PortPairs(self.vnfd_helper.interfaces)
self.networks = self._port_pairs.networks
self.uplink_ports = self.vnfd_helper.port_nums(
self._port_pairs.uplink_ports)
self.downlink_ports = self.vnfd_helper.port_nums(
self._port_pairs.downlink_ports)
self.my_ports = self.vnfd_helper.port_nums(self._port_pairs.all_ports)
def _build_vnf_ports(self):
self._port_pairs = PortPairs(self.vnfd_helper.interfaces)
self.uplink_ports = self._port_pairs.uplink_ports
self.downlink_ports = self._port_pairs.downlink_ports
self.all_ports = self._port_pairs.all_ports
def __init__(self, *args, **kwargs):
super(VnfdHelper, self).__init__(*args, **kwargs)
self.port_pairs = PortPairs(self['vdu'][0]['external-interface'])
# port num is not present until binding so we have to memoize
self._port_num_map = {}
def get_default_flows(self):
"""Get default actions/rules
Returns: (<actions>, <rules>)
<actions>:
{ <action_id>: [ <list of actions> ]}
Example:
{ 0 : [ "accept", "count", {"fwd" : "port": 0} ], ... }
<rules>:
[ {"src_ip": "x.x.x.x", "src_ip_mask", 24, ...}, ... ]
Note:
See `generate_rule_cmds()` to get list of possible map keys.
"""
actions, rules = {}, []
_port_pairs = PortPairs(self.vnfd_helper.interfaces)
port_pair_list = _port_pairs.port_pair_list
for src_intf, dst_intf in port_pair_list:
# get port numbers of the interfaces
src_port = self.vnfd_helper.port_num(src_intf)
dst_port = self.vnfd_helper.port_num(dst_intf)
# get interface addresses and prefixes
src_net, src_prefix_len = self.get_network_and_prefixlen_from_ip_of_port(
src_intf)
dst_net, dst_prefix_len = self.get_network_and_prefixlen_from_ip_of_port(
dst_intf)
# ignore entries with empty values
if all((src_net, src_prefix_len, dst_net, dst_prefix_len)):
# flow: src_net:dst_net -> dst_port
action_id = self.new_action_id
actions[action_id] = self.DEFAULT_FWD_ACTIONS[:]
actions[action_id].append({"fwd": {"port": dst_port}})
rules.append({
"priority": 1,
'cmd': self.RULE_CMD,
"src_ip": src_net,
"src_ip_mask": src_prefix_len,
"dst_ip": dst_net,
"dst_ip_mask": dst_prefix_len,
"src_port_from": 0,
"src_port_to": 65535,
"dst_port_from": 0,
"dst_port_to": 65535,
"protocol": 0,
"protocol_mask": 0,
"action_id": action_id
})
# flow: dst_net:src_net -> src_port
action_id = self.new_action_id
actions[action_id] = self.DEFAULT_FWD_ACTIONS[:]
actions[action_id].append({"fwd": {"port": src_port}})
rules.append({
"cmd": self.RULE_CMD,
"priority": 1,
"src_ip": dst_net,
"src_ip_mask": dst_prefix_len,
"dst_ip": src_net,
"dst_ip_mask": src_prefix_len,
"src_port_from": 0,
"src_port_to": 65535,
"dst_port_from": 0,
"dst_port_to": 65535,
"protocol": 0,
"protocol_mask": 0,
"action_id": action_id
})
return actions, rules
def __init__(self, *args, **kwargs):
super(VnfdHelper, self).__init__(*args, **kwargs)
self.port_pairs = PortPairs(self['vdu'][0]['external-interface'])