46131d2db2
If you were trying to parse this output with something, an empty field would be difficult to handle, as you'd have to know the expected lengths of each field. The '.' means empty, but then all fields are non-whitespace delimited by one or more whitespace.
117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
#!/usr/bin/python
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# 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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#
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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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#
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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 subprocess
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def netdev_info(empty=""):
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fields = ("hwaddr", "addr", "bcast", "mask")
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ifcfg_out = str(subprocess.check_output(["ifconfig", "-a"]))
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devs = {}
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for line in 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 = str(subprocess.check_output(["route", "-n"]))
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routes = []
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for line in route_out.splitlines()[1:]:
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if not line:
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continue
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toks = line.split()
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if toks[0] == "Kernel" or toks[0] == "Destination":
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continue
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routes.append(toks)
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return(routes)
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def getgateway():
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for r in route_info():
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if r[3].find("G") >= 0:
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return("%s[%s]" % (r[1], r[7]))
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return(None)
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def debug_info(pre="ci-info: "):
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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("netdev_info failed!")
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netdev = {}
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for (dev, d) in netdev.iteritems():
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lines.append("%s%-6s: %i %-15s %-15s %s" %
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(pre, dev, d["up"], d["addr"], d["mask"], d["hwaddr"]))
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try:
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routes = route_info()
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except Exception:
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lines.append("route_info failed")
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routes = []
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n = 0
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for r in routes:
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lines.append("%sroute-%d: %-15s %-15s %-15s %-6s %s" %
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(pre, n, r[0], r[1], r[2], r[7], r[3]))
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n = n + 1
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return('\n'.join(lines))
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if __name__ == '__main__':
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print debug_info()
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