script to rotate nginx access/error log depending on current date, it should be run at 00:00

nginx_log_rotation.sh

#!/usr/bin/env bash

YESTERDAY=$(date -d'1 days ago' +%Y%m%d)

for log in /data/log/nginx/*.log; do
    mv ${log} ${log}.${YESTERDAY}
done
kill -USR1 `cat /run/nginx.pid`
sleep 1

for old_log in /data/log/nginx/*.${YESTERDAY}; do
    zip ${old_log}.gz ${old_log}
    rm ${old_log}
done