69 lines
2.0 KiB
Bash
Executable File
69 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Patched version of ip_ plugin to support IPv6 and ip6tables.
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# Most of plugin done by munin core developers. Modified for IPv6 support
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# by Lasse Karstensen <lasse.karstensen@gmail.com> February 2009.
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#
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# Wildcard-plugin to monitor IP addresses through ip6tables. To monitor an
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# IP, link ip6_<ipaddress> to this file with : replaced with _. E.g.
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#
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# ln -s /usr/share/node/node/plugins-auto/ip6_ /etc/munin/plugins/ip_2001_db8_1__100
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#
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# ...will monitor the IP 2001:db8:1::10.
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#
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# Additionally, you need these ip6tables rules as the first rules (they don't do anything, just make packet counts)
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#
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# ip6tables -A INPUT -d 2001:db8:1::10
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# ip6tables -A OUTPUT -s 2001:db8:1::10
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#
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# Furthermore, this plugin needs to be run as root for ip6tables to work.
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#
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#
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# Magic markers (optional - used by munin-config and some installation
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# scripts):
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#%# family=auto
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#%# capabilities=autoconf suggest
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IP=`basename $0 | sed 's/^ip6_//g' | tr '_' ':' `
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if [ "$1" = "autoconf" ]; then
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if [ -r /proc/net/dev ]; then
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ip6tables -L INPUT -v -n -x >/dev/null 2>/dev/null
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if [ $? -gt 0 ]; then
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echo "no (could not run ip6tables as user `whoami`)"
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exit 1
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else
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echo yes
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exit 0
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fi
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else
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echo "no (/proc/net/dev not found)"
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exit 1
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fi
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fi
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if [ "$1" = "suggest" ]; then
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ip6tables -L INPUT -v -n -x 2>/dev/null | awk --posix '$8 ~ /^([0-9a-f]{1,4}(\:|\:\:)){1,7}([0-9a-f]{1,4})\/([0-9]{1,3})$/ { if (done[$8]!=1) {print $8; done[$8]=1;}}'|sed "s#/[0-9]\{1,3\}##"
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exit 0
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fi
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if [ "$1" = "config" ]; then
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echo "graph_order out in"
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echo "graph_title $IP IPv6 traffic"
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echo 'graph_args --base 1000'
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echo 'graph_vlabel bits per ${graph_period}'
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echo 'graph_category network'
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echo 'out.label sent'
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echo 'out.type DERIVE'
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echo 'out.min 0'
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echo 'out.cdef out,8,*'
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echo 'in.label received'
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echo 'in.type DERIVE'
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echo 'in.min 0'
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echo 'in.cdef in,8,*'
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exit 0
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fi;
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ip6tables -L INPUT -v -n -x | grep -m1 $IP | awk "{ print \"in.value \" \$2 }"
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ip6tables -L OUTPUT -v -n -x | grep -m1 $IP | awk "{ print \"out.value \" \$2 }"
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