Current File : //lib/python3/dist-packages/landscape/sysinfo/network.py
from functools import partial
from operator import itemgetter
from netifaces import AF_INET, AF_INET6
from twisted.internet.defer import succeed
from landscape.lib.network import get_active_device_info
class Network(object):
"""Show information about active network interfaces.
@param get_device_info: Optionally, a function that returns information
about network interfaces. Defaults to L{get_active_device_info}.
"""
def __init__(self, get_device_info=None):
if get_device_info is None:
get_device_info = partial(get_active_device_info, extended=True)
self._get_device_info = get_device_info
def register(self, sysinfo):
"""Register this plugin with the sysinfo system.
@param sysinfo: The sysinfo registry.
"""
self._sysinfo = sysinfo
def run(self):
"""
Gather information about network interfaces and write it to the
sysinfo output.
@return: A succeeded C{Deferred}.
"""
device_info = self._get_device_info()
for info in sorted(device_info, key=itemgetter('interface')):
interface = info["interface"]
ipv4_addresses = info["ip_addresses"].get(AF_INET, [])
ipv6_addresses = info["ip_addresses"].get(AF_INET6, [])
for addr in ipv4_addresses:
self._sysinfo.add_header(
"IPv4 address for %s" % interface, addr['addr'])
for addr in ipv6_addresses:
self._sysinfo.add_header(
"IPv6 address for %s" % interface, addr['addr'])
return succeed(None)
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