bumblebee-status/bumblebee/modules/nic.py

80 lines
2.7 KiB
Python

import pyroute2
import netifaces
import bumblebee.module
def usage():
return "nic"
def notes():
return "Interfaces starting with 'lo' or 'virbr' are ignored. Critical if the status of an interface is 'down', Warning if it is anything else but 'up'. Interface status is derived from whether an IP address is available or not."
def description():
return "Displays the names, IP addresses and status of each available interface."
class Module(bumblebee.module.Module):
def __init__(self, args):
super(Module, self).__init__(args)
self._exclude = ( "lo", "virbr" )
self._interfaces = [ i for i in netifaces.interfaces() if not i.startswith(self._exclude) ]
self._index = 0
self._intf = self._interfaces[0] if len(self._interfaces) > 0 else None
self._cache = {}
self._state = "down"
def data(self):
if len(self._interfaces) <= self._index:
return "n/a"
self._intf = self._interfaces[self._index]
self._state = "down"
addr = []
try:
if netifaces.AF_INET in netifaces.ifaddresses(self._intf):
for ip in netifaces.ifaddresses(self._intf)[netifaces.AF_INET]:
if "addr" in ip and ip["addr"] != "":
addr.append(ip["addr"])
self._state = "up"
except Exception as e:
self._state = "down"
addr = []
return "{} {} {}".format(self._intf, self._state, ", ".join(addr))
def next(self):
self._index += 1
if self._index < len(self._interfaces):
return True
self._index = 0
# reload to support hotplug
self._interfaces = [ i for i in netifaces.interfaces() if not i.startswith(self._exclude) ]
return False
def _iswlan(self, intf):
if not "wlan{}".format(intf) in self._cache:
iw = pyroute2.IW()
ip = pyroute2.IPRoute()
idx = ip.link_lookup(ifname=intf)[0]
try:
iw.get_interface_by_ifindex(idx)
self._cache["wlan{}".format(intf)] = True
except Exception as e:
self._cache["wlan{}".format(intf)] = False
return self._cache["wlan{}".format(intf)]
def _istunnel(self, intf):
return intf.startswith("tun")
def state(self):
t = "wireless" if self._iswlan(self._intf) else "wired"
t = "tunnel" if self._istunnel(self._intf) else t
return "{}-{}".format(t, self._state)
def warning(self):
return self._state != "up"
def critical(self):
return self._state == "down"
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