2021-07-22

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

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