MONITOR ROUTE TABLE IN LINUX

MONITOR ROUTE TABLE IN LINUX

#!/bin/bash

#!/bin/sh -e

#/opt/script/routing-monitor-stats.sh

##############################################

#LastUpdate: 2021.07.23 8:28:04

##############################################

# Check ROUTING status every minute:

# * * * * * /opt/script/routing-monitor-stats.sh >> /opt/log/routing-monitor-stats/routing-monitor-stats.log 2>&1

##############################################

now1="$(date +'%Y.%m.%d-%H.%M.%S.%3N')"

##############################################

COMMAND1="ip route"

SUBNET1="192.168.202"

##############################################

mkdir -p /opt/log/routing-monitor-stats/

cd /opt/log/routing-monitor-stats/

VAR1=$($COMMAND1 | grep "$SUBNET1" | awk '{print $1}');

if [ -z "$VAR1" ]

then

      /opt/script/route-2-dbzone.sh

      echo "[$now1]: Subnet [$SUBNET1"".0/24] is MISSING";

else      

      echo "[$now1]: Subnet [$SUBNET1"".0/24] is RUNNING";

fi

#truncate file, keep 7days log:

FILE_NAME="/opt/log/routing-monitor-stats/routing-monitor-stats.log"

tail -10080 $FILE_NAME > $FILE_NAME.temp && cat $FILE_NAME.temp > $FILE_NAME

#THE_END