#!/bin/bash
YUM_SITE="rsync://mirrors.tuna.tsinghua.edu.cn/centos/"
LOCAL_PATH="/usr/share/nginx/html/data/centos/centos-base/"
LOCAL_VER="7 7*"
LOCK_FILE="/var/log/yum_server.pid"
LogFile=/tmp/rsyumlog/`date +"%Y-%m-%d"`.log
RSYNC_PATH=""
 
# check update yum server  pid
MY_PID=$$
if [ -f $LOCK_FILE ]; then
    get_pid=`/bin/cat $LOCK_FILE`
    get_system_pid=`/bin/ps -ef|grep -v grep|grep $get_pid|wc -l`
    if [ $get_system_pid -eq 0] ; then
        echo $MY_PID>$LOCK_FILE
    else
        echo "Have update yum server now!"
        exit 1
    fi
else
    echo $MY_PID>$LOCK_FILE
fi
 
# check rsync tool
if [ -z $RSYNC_PATH ]; then
    RSYNC_PATH=`/usr/bin/whereis rsync|awk ' ''{print $2}'`
    if [ -z $RSYNC_PATH ]; then
        echo 'Not find rsync tool.'
        echo 'use comm: yum install -y rsync'
    fi
fi
 
# sync yum source
echo "rsync start at $(date +"%Y-%m-%d %H:%M:%S")" >$LogFile
echo "--------------------------------------------------" >>$LogFile
for VER in $LOCAL_VER
do
    # Check whether there are local directory
    if [ ! -d "$LOCAL_PATH$VER" ] ; then
        echo "Create dir $LOCAL_PATH$VER"
        `/bin/mkdir -p $LOCAL_PATH$VER`
    fi
    # sync yum source
    echo "Start sync $LOCAL_PATH$VER"  >>$LogFile
    echo "--------------------------------------------------" >>$LogFile 
    $RSYNC_PATH -avrtH --delete $YUM_SITE$VER $LOCAL_PATH  >>$LogFile
done
echo "rsync end at $(date +"%Y-%m-%d %H:%M:%S")" >>$LogFile
echo "--------------------------------------------------" >>$LogFile 
 
# clean lock file
`/bin/rm -rf $LOCK_FILE`
 
echo 'sync end.'
exit 1 
