rate_to_pushgateway.sh

#!/usr/local/bin/bash
# pkg install bash
# add to shellcmd as "/root/push_ip_metrics.sh &" via Services/shellcmd

pushgatewayip="192.168.1.2:9091"
network="192.168.1.0/24"
interface="bce1"
interval="1"

rate -i "${interface}" -r "${interval}" -e -n -Ab -a 255 -c "${network}" -d | while read -r line; do
    host=`echo "${line}" | cut -d':' -f1`
    downloadrate=`echo "${line}" | cut -d':' -f4`
    uploadrate=`echo "${line}" | cut -d':' -f5`

    if [ "${line}" == "- - - - - - - - - - - - - - - - - - -" ]; then
        continue
    fi

    if [ ! -z "${downloadrate}" -a "${downloadrate}" != " " ]; then
        echo "download_rate_bits ${downloadrate}" | curl --data-binary @- "${pushgatewayip}/metrics/job/pfsense/instance/${host}"
    fi

    if [ ! -z "${uploadrate}" -a "$uploadrate" != " " ]; then
        echo "upload_rate_bits ${uploadrate}" | curl --data-binary @- "${pushgatewayip}/metrics/job/pfsense/instance/${host}"
    fi
done