168 lines
5.2 KiB
Python
168 lines
5.2 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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# Author: Juerg Haefliger <juerg.haefliger@hp.com>
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import cloudinit.util as util
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from prettytable import PrettyTable
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def netdev_info(empty=""):
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fields = ("hwaddr", "addr", "bcast", "mask")
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(ifcfg_out, _err) = util.subp(["ifconfig", "-a"])
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devs = {}
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for line in str(ifcfg_out).splitlines():
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if len(line) == 0:
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continue
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if line[0] not in ("\t", " "):
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curdev = line.split()[0]
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devs[curdev] = {"up": False}
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for field in fields:
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devs[curdev][field] = ""
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toks = line.lower().strip().split()
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if toks[0] == "up":
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devs[curdev]['up'] = True
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fieldpost = ""
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if toks[0] == "inet6":
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fieldpost = "6"
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for i in range(len(toks)):
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if toks[i] == "hwaddr":
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try:
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devs[curdev]["hwaddr"] = toks[i + 1]
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except IndexError:
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pass
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for field in ("addr", "bcast", "mask"):
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target = "%s%s" % (field, fieldpost)
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if devs[curdev].get(target, ""):
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continue
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if toks[i] == "%s:" % field:
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try:
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devs[curdev][target] = toks[i + 1]
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except IndexError:
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pass
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elif toks[i].startswith("%s:" % field):
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devs[curdev][target] = toks[i][len(field) + 1:]
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if empty != "":
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for (_devname, dev) in devs.iteritems():
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for field in dev:
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if dev[field] == "":
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dev[field] = empty
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return devs
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def route_info():
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(route_out, _err) = util.subp(["route", "-n"])
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routes = []
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entries = route_out.splitlines()[1:]
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for line in entries:
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if not line:
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continue
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toks = line.split()
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if len(toks) < 8 or toks[0] == "Kernel" or toks[0] == "Destination":
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continue
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entry = {
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'destination': toks[0],
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'gateway': toks[1],
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'genmask': toks[2],
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'flags': toks[3],
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'metric': toks[4],
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'ref': toks[5],
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'use': toks[6],
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'iface': toks[7],
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}
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routes.append(entry)
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return routes
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def getgateway():
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routes = []
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try:
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routes = route_info()
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except:
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pass
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for r in routes:
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if r['flags'].find("G") >= 0:
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return "%s[%s]" % (r['gateway'], r['iface'])
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return None
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def netdev_pformat():
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lines = []
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try:
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netdev = netdev_info(empty=".")
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except Exception:
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lines.append(util.center("Net device info failed", '!', 80))
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netdev = None
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if netdev is not None:
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fields = ['Device', 'Up', 'Address', 'Mask', 'Hw-Address']
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tbl = PrettyTable(fields)
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for (dev, d) in netdev.iteritems():
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tbl.add_row([dev, d["up"], d["addr"], d["mask"], d["hwaddr"]])
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netdev_s = tbl.get_string()
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max_len = len(max(netdev_s.splitlines(), key=len))
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header = util.center("Net device info", "+", max_len)
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lines.extend([header, netdev_s])
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return "\n".join(lines)
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def route_pformat():
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lines = []
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try:
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routes = route_info()
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except Exception:
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lines.append(util.center('Route info failed', '!', 80))
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routes = None
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if routes is not None:
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fields = ['Route', 'Destination', 'Gateway',
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'Genmask', 'Interface', 'Flags']
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tbl = PrettyTable(fields)
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for (n, r) in enumerate(routes):
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route_id = str(n)
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tbl.add_row([route_id, r['destination'],
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r['gateway'], r['genmask'],
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r['iface'], r['flags']])
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route_s = tbl.get_string()
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max_len = len(max(route_s.splitlines(), key=len))
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header = util.center("Route info", "+", max_len)
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lines.extend([header, route_s])
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return "\n".join(lines)
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def debug_info(prefix='ci-info: '):
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lines = []
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netdev_lines = netdev_pformat().splitlines()
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if prefix:
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for line in netdev_lines:
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lines.append("%s%s" % (prefix, line))
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else:
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lines.extend(netdev_lines)
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route_lines = route_pformat().splitlines()
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if prefix:
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for line in route_lines:
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lines.append("%s%s" % (prefix, line))
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else:
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lines.extend(route_lines)
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return "\n".join(lines)
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