Munin contributed plugins

#! /bin/sh

# Currently the plugin does *not* autostart

#

# It has to be launched via rc.d :

# munin-run if1sec_eth0 acquire

pluginfull="$0"                 # full name of plugin

plugin="${0##*/}"               # name of plugin

pidfile="$MUNIN_PLUGSTATE/munin.$plugin.pid"

cache="$MUNIN_PLUGSTATE/munin.$plugin.value"

IFACE="${0##*/if1sec_}"         # interface

if [ ! -r "/sys/class/net/$IFACE/statistics/tx_bytes" ]

then

	echo "# Unknown Interface : $IFACE"

	exit 1

fi

if [ "$1" = "acquire" ]

then

        (

                while sleep 1

                do

                        echo $(

                                date +%s

                                cat /sys/class/net/$IFACE/statistics/tx_bytes

                                cat /sys/class/net/$IFACE/statistics/rx_bytes

                        )

                done | awk "{

                                print \"${IFACE}_tx.value \" \$1 \":\" \$2;

                                print \"${IFACE}_rx.value \" \$1 \":\" \$3;

				system(\"\");

                        }" >> $cache

        ) &

        echo $! > $pidfile

        exit 0

fi

if [ "$1" = "config" ]

then

        cat <<EOF

graph_title Interface 1sec stats for ${IFACE}

graph_category 1sec::network

graph_data_size custom 1d, 10s for 1w, 1m for 1t, 5m for 1y

graph_vlabel Bytes

update_rate 1

${IFACE}_tx.label ${IFACE} TX bytes

${IFACE}_tx.type DERIVE

${IFACE}_tx.min 0

${IFACE}_rx.label ${IFACE} RX bytes

${IFACE}_rx.type DERIVE

${IFACE}_rx.min 0

EOF

        exit 0

fi

# values

cat ${cache}

> ${cache}

exit 0