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    nginx日志切割脚本分享

    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
    

    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

    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

    参考:
    http://wiki.nginx.org/LogRotation

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