142 lines
4.5 KiB
Python
142 lines
4.5 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays the name, IP address(es) and status of each available network interface.
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Requires the following python module:
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* netifaces
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Requires the following executable:
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* iw
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Parameters:
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* nic.exclude: Comma-separated list of interface prefixes to exclude (defaults to 'lo,virbr,docker,vboxnet,veth,br')
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* nic.include: Comma-separated list of interfaces to include
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* nic.states: Comma-separated list of states to show (prefix with '^' to invert - i.e. ^down -> show all devices that are not in state down)
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* nic.format: Format string (defaults to '{intf} {state} {ip} {ssid}')
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"""
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import re
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import shutil
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import netifaces
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import subprocess
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import core.module
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import core.decorators
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import util.cli
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import util.format
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class Module(core.module.Module):
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@core.decorators.every(seconds=10)
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def __init__(self, config, theme):
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widgets = []
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super().__init__(config, theme, widgets)
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self._exclude = tuple(
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filter(
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len,
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self.parameter("exclude", "lo,virbr,docker,vboxnet,veth,br").split(","),
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)
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)
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self._include = self.parameter("include", "").split(",")
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self._states = {"include": [], "exclude": []}
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for state in tuple(
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filter(len, util.format.aslist(self.parameter("states", "")))
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):
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if state[0] == "^":
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self._states["exclude"].append(state[1:])
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else:
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self._states["include"].append(state)
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self._format = self.parameter("format", "{intf} {state} {ip} {ssid}")
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self.iw = shutil.which("iw")
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self._update_widgets(widgets)
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def update(self):
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self._update_widgets(self.widgets())
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def state(self, widget):
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states = []
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if widget.get("state") == "down":
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states.append("critical")
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elif widget.get("state") != "up":
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states.append("warning")
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intf = widget.get("intf")
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iftype = "wireless" if self._iswlan(intf) else "wired"
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iftype = "tunnel" if self._istunnel(intf) else iftype
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states.append("{}-{}".format(iftype, widget.get("state")))
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return states
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def _iswlan(self, intf):
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# wifi, wlan, wlp, seems to work for me
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if intf.startswith("w"):
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return True
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return False
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def _istunnel(self, intf):
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return intf.startswith("tun") or intf.startswith("wg")
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def get_addresses(self, intf):
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retval = []
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try:
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for ip in netifaces.ifaddresses(intf).get(netifaces.AF_INET, []):
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if ip.get("addr", "") != "":
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retval.append(ip.get("addr"))
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except Exception:
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return []
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return retval
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def _update_widgets(self, widgets):
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self.clear_widgets()
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interfaces = [
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i for i in netifaces.interfaces() if not i.startswith(self._exclude)
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]
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interfaces.extend([i for i in netifaces.interfaces() if i in self._include])
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for intf in interfaces:
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addr = []
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state = "down"
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for ip in self.get_addresses(intf):
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addr.append(ip)
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state = "up"
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if len(self._states["exclude"]) > 0 and state in self._states["exclude"]:
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continue
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if (
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len(self._states["include"]) > 0
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and state not in self._states["include"]
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):
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continue
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widget = self.widget(intf)
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if not widget:
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widget = self.add_widget(name=intf)
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# join/split is used to get rid of multiple whitespaces (in case SSID is not available, for instance
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widget.full_text(
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" ".join(
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self._format.format(
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ip=", ".join(addr),
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intf=intf,
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state=state,
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ssid=self.get_ssid(intf),
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).split()
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)
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)
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widget.set("intf", intf)
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widget.set("state", state)
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def get_ssid(self, intf):
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if self._iswlan(intf) and not self._istunnel(intf) and self.iw:
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ssid = util.cli.execute("{} dev {} link".format(self.iw, intf))
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found_ssid = re.findall("SSID:\s(.+)", ssid)
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if len(found_ssid) > 0:
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return found_ssid[0]
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else:
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return ""
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return ""
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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