#nginx日志切割脚本

#!/bin/bash
#设置日志文件存放目录
logs_path="/usr/local/nginx/logs/"
#设置pid文件
pid_path="/usr/local/nginx/nginx.pid"

#重命名日志文件
mv ${logs_path}access.log ${logs_path}access_$(date -d "yesterday" +"%Y%m%d").log

#向nginx主进程发信号重新打开日志
kill -USR1 `cat ${pid_path}`

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 5.3 (Tikanga)

# /opt/nginx/nginx -v
nginx version: nginx/1.6.2

#!/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