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#!@@PERL@@ -w
# Wildcard-script to monitor network interfaces. To monitor an
# interface, link vlan_<interface> to this file. E.g.
#
# ln .vlan_inetuse_ vlan_inetuse_eth1-200
#
# ...will monitor eth1.200 <=> eth0
#
# The interface must also have an accounting iptables rule defined, _before_
# any action rules. E.g., in /etc/network/vlan-firewall.d/eth1-200-out, you
# will find:
#
# --out-interface eth0
#
# ...which will make the out-traffic graphable. (Both in and out-files must
# have such rules. Look at the existing for examples.
#
# $Log$
# Revision 1.7 2004/12/10 18:51:44 jimmyo
# linux/apt* has been forced to LANG=C, to get predictable output.
#
# Revision 1.6 2004/12/10 10:47:49 jimmyo
# Change name from ${scale} to ${graph_period}, to be more consistent.
#
# Revision 1.5 2004/12/09 22:12:56 jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.4 2004/11/21 00:17:12 jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.3 2004/05/20 19:02:37 jimmyo
# Set categories on a bunch of plugins
#
# Revision 1.2 2004/05/15 21:33:29 jimmyo
# "Upped" som plugins from contrib/manual to manual or auto.
#
# Revision 1.1 2004/01/02 18:50:01 jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.3 2003/11/07 22:12:50 jimmyo
# Changed deprecated plugin options
#
# Revision 1.2 2003/11/07 17:43:16 jimmyo
# Cleanups and log entries
#
#
#%# family=manual
use strict;
my $INTERFACE=`basename $0 | sed 's/^vlan_linkuse_//g' | tr '_' '-'` ;
#my $INTERFACE="eth1-200";
chomp $INTERFACE;
my %contraries = ("dpt" => "spt", "spt" => "dpt");
my %in_octets = ();
my %out_octets = ();
open (IN, "/sbin/iptables -v -x -L $INTERFACE-in |") or
die "Could not run iptables: $!\n";
while (<IN>)
{
if (/^\s*\d+\s+(\d+) +([a-z]+)\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+(?:\s+|)(.+|)$/)
{
my ($octets, $proto, $comment) = ($1, $2, $3);
chop $comment;
next unless (($proto eq "all") and (!$comment));
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "graph_order in out\n";
print "graph_title VLAN $INTERFACE internet usage\n";
print "graph_args --base 1000\n";
print "graph_category network\n";
print "graph_vlabel bits per \${graph_period} in (-) / out (+)\n";
print "in.label bps\n";
print "in.cdef in,8,*\n";
print "in.graph no\n";
print "in.type DERIVE\n";
print "in.min 0\n";
}
else
{
print "in.value $octets\n";
}
}
}
close IN;
die "Error running iptables. Dying\n" if $?;
open (IN, "/sbin/iptables -v -x -L $INTERFACE-out |") or
die "Could not run iptables: $!\n";
while (<IN>)
{
if (/^\s*\d+\s+(\d+) +([a-z]+)\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+(?:\s+|)(.+|)$/)
{
my ($octets, $proto, $comment) = ($1, $2, $3);
chop $comment;
next unless (($proto eq "all") and (!$comment));
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "out.label bps\n";
print "out.cdef out,8,*\n";
print "out.negative in\n";
print "out.type DERIVE\n";
print "out.min 0\n";
}
else
{
print "out.value $octets\n";
}
}
}
close IN;
die "Error running iptables. Dying\n" if $?;
# vim:syntax=perl
|
