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81 lines
2.6 KiB
Plaintext
81 lines
2.6 KiB
Plaintext
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#!/usr/bin/python
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# shorewall_ v2.0 - 30 Aug 2008 - Tanguy Pruvot <tanguy.pruvot@gmail.com>
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#
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# A munin plugin for tracking traffic as recorded by shorewall accounting rules
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#
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# ex: ln -s /usr/share/munin/plugins/shorewall_ /etc/munin/plugins/shorewall_ftp
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# will log ftp* rules like ftp, ftp_input, ftp_output etc...
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#
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# Basic Concept by Chris AtLee <chris@atlee.ca> Released under the GPL v2
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import sys, commands, re
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from sys import argv
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from os.path import split
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path,script_name = split(argv[0])
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FilterExp = re.compile(r"^shorewall_(.*)$")
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m = FilterExp.match(script_name)
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if m is not None:
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filterName = " " + m.group(1)
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rFilter = r"^" + m.group(1) + ".*$"
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else:
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filterName = ""
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rFilter = r"^.*$"
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FilterExp = re.compile(rFilter)
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# regex for "shorewall show xxxx" output lines
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accountingLineExp = re.compile(r"^\s*\d+[KMG]*\s+(\d+)([KMGT]*)\s+(\w+).*$")
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def getBytesByChain():
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trafficCmd = "shorewall"
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status, output = commands.getstatusoutput("/sbin/shorewall show accounting 2>/dev/null")
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if status != 0:
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raise OSError("Error running command (%s)[%i]: %s" % (trafficCmd, status, output))
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chains = {}
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for line in output.split("\n"):
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m = accountingLineExp.match(line)
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if m is not None:
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target = m.group(3)
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bytes = int(m.group(1))
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f = FilterExp.match(target)
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if f is not None:
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if m.group(2) == "K":
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bytes *= 1024
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elif m.group(2) == "M":
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bytes *= 1024 * 1024
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elif m.group(2) == "G":
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bytes *= 1024 * 1024 * 1024
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elif m.group(2) == "T":
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bytes *= 1024 * 1024 * 1024 * 1024
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if target in chains:
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chains[target] += bytes
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else:
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chains[target] = bytes
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retval = []
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chainNames = chains.keys()
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chainNames.sort()
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for name in chainNames:
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retval.append((name, chains[name]))
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return retval
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if len(sys.argv) > 1:
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if sys.argv[1] == "autoconf":
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print "yes"
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sys.exit(0)
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elif sys.argv[1] == "config":
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print "graph_title Shorewall accounting%s" % filterName
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print "graph_category network"
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print "graph_vlabel bits per ${graph_period}"
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for chain,bytes in getBytesByChain():
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print "%s.min 0" % chain
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print "%s.type DERIVE" % chain
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print "%s.label %s" % (chain, chain)
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print "%s.cdef %s,8,*" % (chain, chain)
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sys.exit(0)
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for chain, bytes in getBytesByChain():
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print "%s.value %i" % (chain, bytes)
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