✏ EDIT: check_traffic#!/bin/bash
# Platform360-style bandwidth check for NRPE (no SNMP)

IFACE=$(ip route | awk '/default/ {print $5; exit}')

if [ -z "$IFACE" ]; then
  echo "UNKNOWN - Unable to detect interface"
  exit 3
fi

read RX1 TX1 < <(
  awk -v i="$IFACE" '$1 ~ i":" {print $2, $10}' /proc/net/dev
)

sleep 1

read RX2 TX2 < <(
  awk -v i="$IFACE" '$1 ~ i":" {print $2, $10}' /proc/net/dev
)

RX_MBPS=$(awk "BEGIN {printf \"%.2f\", ($RX2-$RX1)*8/1024/1024}")
TX_MBPS=$(awk "BEGIN {printf \"%.2f\", ($TX2-$TX1)*8/1024/1024}")

WARN=100
CRIT=150

STATUS=0
STATE="OK"

if (( $(awk "BEGIN {print ($RX_MBPS>$CRIT)}") )); then
  STATUS=2
  STATE="CRITICAL"
elif (( $(awk "BEGIN {print ($RX_MBPS>$WARN)}") )); then
  STATUS=1
  STATE="WARNING"
fi

echo "$STATE - IN: ${RX_MBPS} Mbps OUT: ${TX_MBPS} Mbps | in=${RX_MBPS}Mbps out=${TX_MBPS}Mbps"
exit $STATUS



 [✗] CANCEL

[~] Kerym Chaeceran