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#!/usr/bin/python
# vi: ts=4 expandtab
#
# Copyright (C) 2012 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cloudinit.util as util
class NetInfo(object):
def __init__(self):
pass
def netdev_info(empty=""):
fields = ("hwaddr", "addr", "bcast", "mask")
(ifcfg_out, _err) = util.subp(["ifconfig", "-a"])
devs = {}
for line in str(ifcfg_out).splitlines():
if len(line) == 0:
continue
if line[0] not in ("\t", " "):
curdev = line.split()[0]
devs[curdev] = {"up": False}
for field in fields:
devs[curdev][field] = ""
toks = line.lower().strip().split()
if toks[0] == "up":
devs[curdev]['up'] = True
fieldpost = ""
if toks[0] == "inet6":
fieldpost = "6"
for i in range(len(toks)):
if toks[i] == "hwaddr":
try:
devs[curdev]["hwaddr"] = toks[i + 1]
except IndexError:
pass
for field in ("addr", "bcast", "mask"):
target = "%s%s" % (field, fieldpost)
if devs[curdev].get(target, ""):
continue
if toks[i] == "%s:" % field:
try:
devs[curdev][target] = toks[i + 1]
except IndexError:
pass
elif toks[i].startswith("%s:" % field):
devs[curdev][target] = toks[i][len(field) + 1:]
if empty != "":
for (_devname, dev) in devs.iteritems():
for field in dev:
if dev[field] == "":
dev[field] = empty
return(devs)
def route_info():
(route_out, _err) = util.subp(["route", "-n"])
routes = []
for line in str(route_out).splitlines()[1:]:
if not line:
continue
toks = line.split()
if toks[0] == "Kernel" or toks[0] == "Destination":
continue
routes.append(toks)
return(routes)
def getgateway():
for r in route_info():
if r[3].find("G") >= 0:
return("%s[%s]" % (r[1], r[7]))
return(None)
def debug_info(pre="ci-info: "):
lines = []
try:
netdev = netdev_info(empty=".")
except Exception:
lines.append("netdev_info failed!")
netdev = {}
for (dev, d) in netdev.iteritems():
lines.append("%s%-6s: %i %-15s %-15s %s" %
(pre, dev, d["up"], d["addr"], d["mask"], d["hwaddr"]))
try:
routes = route_info()
except Exception:
lines.append("route_info failed")
routes = []
n = 0
for r in routes:
lines.append("%sroute-%d: %-15s %-15s %-15s %-6s %s" %
(pre, n, r[0], r[1], r[2], r[7], r[3]))
n = n + 1
return('\n'.join(lines))
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