from typing import Optional
from cloudinit import subp
from cloudinit.net.netops import NetOps
class Iproute2(NetOps):
@staticmethod
def link_up(
interface: str, family: Optional[str] = None
) -> subp.SubpResult:
family_args = []
if family:
family_args = ["-family", family]
return subp.subp(
["ip", *family_args, "link", "set", "dev", interface, "up"]
)
@staticmethod
def link_down(
interface: str, family: Optional[str] = None
) -> subp.SubpResult:
family_args = []
if family:
family_args = ["-family", family]
return subp.subp(
["ip", *family_args, "link", "set", "dev", interface, "down"]
)
@staticmethod
def link_rename(current_name: str, new_name: str):
subp.subp(["ip", "link", "set", current_name, "name", new_name])
@staticmethod
def add_route(
interface: str,
route: str,
*,
gateway: Optional[str] = None,
source_address: Optional[str] = None,
):
gateway_args = []
source_args = []
if gateway and gateway != "0.0.0.0":
gateway_args = ["via", gateway]
if source_address:
source_args = ["src", source_address]
subp.subp(
[
"ip",
"-4",
"route",
"replace",
route,
*gateway_args,
"dev",
interface,
*source_args,
]
)
@staticmethod
def append_route(interface: str, address: str, gateway: str):
gateway_args = []
if gateway and gateway != "0.0.0.0":
gateway_args = ["via", gateway]
subp.subp(
[
"ip",
"-4",
"route",
"append",
address,
*gateway_args,
"dev",
interface,
]
)
@staticmethod
def del_route(
interface: str,
address: str,
*,
gateway: Optional[str] = None,
source_address: Optional[str] = None,
):
gateway_args = []
source_args = []
if gateway and gateway != "0.0.0.0":
gateway_args = ["via", gateway]
if source_address:
source_args = ["src", source_address]
subp.subp(
[
"ip",
"-4",
"route",
"del",
address,
*gateway_args,
"dev",
interface,
*source_args,
]
)
@staticmethod
def get_default_route() -> str:
return subp.subp(
["ip", "route", "show", "0.0.0.0/0"],
).stdout
@staticmethod
def add_addr(
interface: str, address: str, broadcast: Optional[str] = None
):
broadcast_args = []
if broadcast:
broadcast_args = ["broadcast", broadcast]
subp.subp(
[
"ip",
"-family",
"inet",
"addr",
"add",
address,
*broadcast_args,
"dev",
interface,
],
)
@staticmethod
def del_addr(interface: str, address: str):
subp.subp(
["ip", "-family", "inet", "addr", "del", address, "dev", interface]
)
@staticmethod
def flush_addr(interface: str):
subp.subp(["ip", "addr", "flush", "dev", interface])