def _ensure_vrf(self, vrf, vrf_ip, cidr):
"""Ensure vrf interface
return: vrf_table
"""
if self.vrf_tables:
vrf_table = max(list(self.vrf_tables.values())) + 1
else:
vrf_table = VRF_TABLE_NAMBER_BASE
if vrf not in list(self.vrf_tables):
privileged.create_interface(vrf, None, "vrf", vrf_table=vrf_table)
privileged.set_link_attribute(vrf, None, state="up")
LOG.debug("VRF %s is created" % vrf)
self.vrf_tables[vrf] = vrf_table
# TODO(hichihara): Refactor to use ip_lib instead of command
ip = vrf_ip + '/' + cidr
self._setup_interface_ip(ip, vrf)
cmd = ["ip", "route", "replace", vrf_ip, "dev", vrf]
utils.execute(cmd, run_as_root=True, check_exit_code=False)
vrf_sid = ("%(node_id)s:%(vrf_ip)s/128" % {
"node_id": self.node_id,
"vrf_ip": vrf_ip
})
self._setup_interface_ip(vrf_sid, vrf)
self._setup_interface_ip("169.254.169.254/32", vrf)
# Create encap rules
for encap_info in self.encap_info:
if vrf == encap_info['vrf']:
self.add_encap_rules([encap_info], add_flag=False)
break
else:
vrf_table = self.vrf_tables[vrf]
return vrf_table
def set_mtu(self, mtu_size):
try:
privileged.set_link_attribute(
self.name, self._parent.namespace, mtu=mtu_size)
except NetlinkError as e:
if e.code == errno.EINVAL:
raise InvalidArgument(parameter="MTU", value=mtu_size)
raise
def set_mtu(self, mtu_size):
try:
privileged.set_link_attribute(self.name,
self._parent.namespace,
mtu=mtu_size)
except NetlinkError as e:
if e.code == errno.EINVAL:
raise InvalidArgument(parameter="MTU", value=mtu_size)
raise
def set_netns(self, namespace):
privileged.set_link_attribute(
self.name, self._parent.namespace, net_ns_fd=namespace)
self._parent.namespace = namespace
def set_down(self):
privileged.set_link_attribute(
self.name, self._parent.namespace, state='down')
def set_up(self):
privileged.set_link_attribute(
self.name, self._parent.namespace, state='up')
def set_address(self, mac_address):
privileged.set_link_attribute(
self.name, self._parent.namespace, address=mac_address)
def set_alias(self, alias_name):
privileged.set_link_attribute(self.name,
self._parent.namespace,
ifalias=alias_name)
def _add_avr_to_vrf(self, vrf, qvr):
vrf_idx = privileged.get_link_id(vrf, None)
privileged.set_link_attribute(qvr, None, master=vrf_idx)
def set_netns(self, namespace):
privileged.set_link_attribute(self.name,
self._parent.namespace,
net_ns_fd=namespace)
self._parent.namespace = namespace
def set_down(self):
privileged.set_link_attribute(self.name,
self._parent.namespace,
state='down')
def set_up(self):
privileged.set_link_attribute(self.name,
self._parent.namespace,
state='up')
def set_address(self, mac_address):
privileged.set_link_attribute(self.name,
self._parent.namespace,
address=mac_address)
def set_mtu(self, mtu_size):
privileged.set_link_attribute(self.name,
self._parent.namespace,
mtu=mtu_size)
def remove_vrf(self, vrf):
if self.vrf_tables.get(vrf):
privileged.set_link_attribute(vrf, None, state="down")
privileged.delete_interface(vrf, None)
self.vrf_tables.pop(vrf)
LOG.debug("Removed vrf %s", vrf)
def set_name(self, name):
privileged.set_link_attribute(
self.name, self._parent.namespace, ifname=name)
self._parent.name = name
def set_alias(self, alias_name):
privileged.set_link_attribute(
self.name, self._parent.namespace, ifalias=alias_name)
def set_name(self, name):
privileged.set_link_attribute(self.name,
self._parent.namespace,
ifname=name)
self._parent.name = name
