Finds 50x errors in Varnishncsa logs and writes daily reports for later analysis

varnish-500-report.sh

#!/bin/bash

# Desc: Finds 50x errors in Varnishncsa logs and writes daily reports for later analysis
# Tags: varnish, varnishlog, varnishncsa, varnishncsa logs, 500 errors, error reports, logs

TODAY_GREP=`date +%d/%b/%Y`
TODAY=`date +%Y%m%d`
REPORT_DIR="/tmp/varnish-500-report"
REPORT_FILE="${REPORT_DIR}/${TODAY}"
VARNISHNCSA_LOG="/var/log/varnish/varnishncsa.log"

if [ ! -f "${VARNISHNCSA_LOG}" ]; then
        echo "FAILED: Varnishncsa log not found, is varnishncsa running?"; exit 1
fi

if [ ! -d "${REPORT_DIR}" ]; then
	mkdir ${REPORT_DIR}
fi

cat ${VARNISHNCSA_LOG} ${VARNISHNCSA_LOG}.[0-9] | grep "\" 50[0-9] " | grep "\[${TODAY_GREP}\:" > ${REPORT_FILE}.tmp 

COUNT=`cat ${REPORT_FILE}.tmp | wc -l`

mv ${REPORT_FILE}.tmp ${REPORT_FILE}_${COUNT}.txt

exit 0