Munin contributed plugins

#!/bin/sh

pfctl='/sbin/pfctl'

if [ "$1" = "config" ]; then

    cat <<EOF

graph_title OpenBSD pf packets ipv4/ipv6

graph_vlabel packets numbers

graph_scale no

graph_category network

graph_args -l 0

graph_info OpenBSD pf packets ipv4/ipv6

EOF

    cat <<EOF

ipv4in.label ipv4 IN

ipv4in.min 0

ipv4in.type DERIVE

ipv4out.label ipv4 OUT

ipv4out.min 0

ipv4out.type DERIVE

ipv6in.label ipv6 IN

ipv6in.min 0

ipv6in.type DERIVE

ipv6out.label ipv6 OUT

ipv6out.min 0

ipv6out.type DERIVE

EOF

exit 0

fi

if [ "$1" = "autoconf" ]; then

    echo yes

    exit 0

fi

ipv4_in=$(/sbin/pfctl -si 2>/dev/null | grep 'Bytes In' | awk '{print $3}')

ipv6_in=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes In' | awk '{print $4}')

ipv4_out=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes Out' | awk '{print $3}')

ipv6_out=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes Out' | awk '{print $4}')

echo "ipv4in.value $ipv4_in"

echo "ipv4out.value $ipv4_out"

echo "ipv6in.value $ipv6_in"

echo "ipv6out.value $ipv6_out"