82 lines
2.0 KiB
Bash
Executable File
82 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Wildcard-plugin to monitor FreeBSD em(4) and igb(4) network interfaces
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# using sysctl dev.em.0.mac_stats 64-bit counters
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# To monitor an # interface, link ifem_<interface> to this file. E.g.
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#
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# ln -s /usr/share/munin/node/plugins-auto/ifem_ /etc/munin/node.d/ifem_em0
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#
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# ...will monitor em0.
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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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#
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#%# family=auto
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#%# capabilities=autoconf suggest
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INTERFACE=`basename $0 | sed 's/^ifem_//g'`
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if [ "$1" = "autoconf" ]; then
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if [ -x /sbin/sysctl ]; then
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echo yes
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exit 0
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else
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echo "no (/sbin/sysctl not found)"
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exit 0
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fi
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fi
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if [ "$1" = "suggest" ]; then
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if [ -x /sbin/sysctl ]; then
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/sbin/sysctl -q dev.em dev.igb | /usr/bin/awk -F '.' '/mac_stats\.total_pkts_recvd/{print $2$3;}'
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exit 0
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else
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exit 1
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fi
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fi
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if [ "$1" = "config" ]; then
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echo "graph_order rbytes obytes"
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echo "graph_title $INTERFACE traffic"
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echo 'graph_args --base 1000'
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echo 'graph_vlabel bits per ${graph_period} in (-) / out (+)'
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echo 'graph_category network'
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echo "graph_info This graph shows the traffic of the $INTERFACE network interface. Please note that the traffic is shown in bits per second, not bytes."
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echo 'rbytes.label received'
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echo 'rbytes.type COUNTER'
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echo 'rbytes.graph no'
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echo 'rbytes.cdef rbytes,8,*'
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echo 'obytes.label bps'
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echo 'obytes.type COUNTER'
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echo 'obytes.negative rbytes'
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echo 'obytes.cdef obytes,8,*'
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echo "obytes.info Traffic sent (+) and received (-) on the $INTERFACE network interface."
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exit 0
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fi
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oid=`echo $INTERFACE | sed -E 's/^(em|igb)([0-9]+)$/dev\.\1\.\2\.mac_stats/g'`
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rbytes='U'
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obytes='U'
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while read ev val; do
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case "$ev" in
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"$oid.good_octets_recvd:")
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rbytes="$val"
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;;
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"$oid.good_octets_txd:")
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obytes="$val"
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;;
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"$oid.good_octest_txd:")
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obytes="$val"
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;;
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esac
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done << EOF
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$(/sbin/sysctl -q $oid 2>/dev/null)
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EOF
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printf "rbytes.value ${rbytes}\nobytes.value ${obytes}\n"
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