Zabbix + certificates monitoring

17/07/2019 admin News, Zabbix

There is the fine script and template for certificates monitoring.

Just create the script, import the template and link it to the host.

Monitoring SSL Certificates with Zabbix

#! /bin/sh
SERVER=$1
TIMEOUT=25
RETVAL=0
TIMESTAMP=`echo | date`
if [ -z "$2" ]
then
PORT=443;
else
PORT=$2;
fi
EXPIRE_DATE=`echo | openssl s_client -connect $SERVER:$PORT 2>/dev/null | openssl x509 -noout -dates 2>/dev/null | grep notAfter | cut -d'=' -f2`
EXPIRE_SECS=`date -d "${EXPIRE_DATE}" +%s`
EXPIRE_TIME=$(( ${EXPIRE_SECS} - `date +%s` ))
if test $EXPIRE_TIME -lt 0
then
RETVAL=0
else
RETVAL=$(( ${EXPIRE_TIME} / 24 / 3600 ))
fi

echo "$TIMESTAMP | $SERVER:$PORT expires in $RETVAL days" >> /etc/zabbix/externalscripts/ssl_check.log
echo ${RETVAL}

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