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Viewing changes to cloudinit/netinfo.py

  • Committer: Mike Milner
  • Date: 2012-01-18 01:23:09 UTC
  • mfrom: (502.2.5 trunk)
  • Revision ID: mike.milner@canonical.com-20120118012309-aqzzfh04frni7q0y
Merge trunk.

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Lines of Context:
cloudinit/netinfo.py
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import subprocess
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def netdev_info():
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    fields = ( "hwaddr", "addr", "bcast", "mask" )
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    ifcfg_out = subprocess.check_output(["ifconfig", "-a"])
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    devs = { }
 
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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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            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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        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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                    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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                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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                        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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                    devs[curdev][target] = toks[i][len(field) + 1:]
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    return(devs)
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def route_info():
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    route_out = subprocess.check_output(["route", "-n"])
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    routes = [ ]
 
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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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        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("%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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    lines = []
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    try:
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        netdev = netdev_info()
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    except Exception:
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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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            (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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    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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        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()