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实现方法一
#!/bin/bash
Logs_path="/data/Application/nginx/logs"
Pid_path="/data/Application/nginx/nginx.pid"
Month=`date +%Y-%m`
Date=`date +%Y-%m-%d`
Time=`date +%H`
WaitTime=$((24*60*60))
LogCut()
{
cd $Logs_path
mkdir -p $Month
while true
do
mv $Logs_path/access.log $Logs_path/$Month/access_$Date.log
kill -USR1 `cat ${Pid_path}`
done
sleep $WaitTime
return 0
}
case $1 in
start)
LogCut >/dev/null &
;;
stop)
kill -9 `ps aux | grep LogCut | grep -v grep | awk '{print $2}'`>/dev/null
;;
restart)
kill -9 `ps aux | grep LogCut | grep -v grep | awk '{print $2}'`>/dev/null
LogCut >/dev/null &
;;
*)
echo "Usage ERROR!Please use "start" or "stop" or "restart"!"
esac
</div>
实现方法二
试验环境：
# cat /etc/redhat-release Red Hat Enterprise Linux Server release 5.3 (Tikanga) # /opt/nginx/nginx -v nginx version: nginx/1.6.2</div>
代码：
#!/bin/bash
# ==============================================================================
# chmod u+x /opt/nginx/cut_nginx_log.sh
# crontab -e
# 0 0 * * * /opt/nginx/cut_nginx_log.sh > /opt/nginx/logs/cut_nginx_log.log 2>&1
# ==============================================================================
LOGS_PATH="/opt/nginx/logs"
ARCHIVE_YEAR=$(date -d "yesterday" "+%Y")
ARCHIVE_MONTH=$(date -d "yesterday" "+%m")
ARCHIVE_DATE=$(date -d "yesterday" "+%Y%m%d_%H%M%S")
if [ -r /opt/nginx/nginx.pid ]; then
mkdir -p "${LOGS_PATH}/${ARCHIVE_YEAR}/${ARCHIVE_MONTH}"
mv "${LOGS_PATH}/access.log" "${LOGS_PATH}/${ARCHIVE_YEAR}/${ARCHIVE_MONTH}/access_${ARCHIVE_DATE}.log"
kill -USR1 $(cat "/opt/nginx/nginx.pid")
sleep 1
gzip "${LOGS_PATH}/${ARCHIVE_YEAR}/${ARCHIVE_MONTH}/access_${ARCHIVE_DATE}.log"
else
echo "Nginx might be down"
fi
# ==============================================================================
# Clean up log files older than 100 days
# ==============================================================================
# Change HOUSEKEEPING=1 to enable clean up
HOUSEKEEPING=0
KEEP_DAYS=100
if [ $HOUSEKEEPING == 1 ]; then
if [ -d "${LOGS_PATH}" ]; then
find "${LOGS_PATH}" -type f -name "access_*.log.gz" -mtime +${KEEP_DAYS} -exec rm -f {} \;
fi
fi
</div>
参考：
http://wiki.nginx.org/LogRotation