Nginx日志切割方法

#!/bin/bash
# This script run at 00:00

log_year=$(date -d "yesterday" +"%Y")
log_month=$(date -d "yesterday" +"%m")
log_day=$(date -d "yesterday" +"%d")

# The Nginx logs path
logs_path="/usr/local/nginx/logs/"
save_path="/usr/local/nginx/logs/$log_year-$log_month/"

if [ ! -d "$save_path" ]; then
mkdir -p "$save_path"
fi

mv ${logs_path}access.log ${save_path}access_$log_year$log_month$log_day.log
mv ${logs_path}error.log ${save_path}error_$log_year$log_month$log_day.log
kill -USR1 `cat /usr/local/nginx/logs/nginx.pid`