用rsync进行两机备份的shell脚本（更新）

#!/bin/bash
# This script is used to do backup and rsync works for servers. Please finish the config part first before use it.
# ./backup.sh (db_rsync|www_rsync)
# By Chen Zhidong
# http://sillydong.com 
#########config begin####################

BINPATH="/usr/bin"
LOGPATH="/home/backlogs"

DB_DUMP="/home/database/"
LOCAL_WWW="/home/www/"

DB_USER="xxx"
DB_PASS="xxxx"
DB_HOST="127.0.0.1"

PASSFILE="/xxx/xxxxx"
RSYNC_NAME="xxxxxx"
RSYNC_IP="xxx.xxx.xxx.xxx"

#pay attention to the sed part of this sentence, check it before using!
IP=`ifconfig | grep "venet0:0" --after-context=1 | sed -n 's/..*addr:\(..*\)  P-t-P..*/\1/p' | sed '/127.0.0.1/d'`

#########config end######################

db_dump(){
DBS=`$BINPATH/mysql --user=$DB_USER --host=$DB_HOST --password=$DB_PASS -Bse 'show databases'`
for db in $DBS
do
case $db in
"information_schema")
;;
"mysql")
;;
"test")
;;
*)
echo "Dump $db begin at $(date)" >> $LOGPATH/db_dump.log
$BINPATH/mysqldump --opt $db --user=$DB_USER --host=$DB_HOST --password=$DB_PASS  > $DB_DUMP/$db-$(date +%F).sql
echo "Dump $db done at $(date)" >> $LOGPATH/db_dump.log
;;
esac
done
}

db_rsync(){
echo "Doing db_rsync..."
echo "db_rsync begin at $(date)!" >> $LOGPATH/db_rsync.log
rsync -rvlHpogDtS --delete --password-file=$PASSFILE $DB_DUMP --exclude *\log\* --exclude *\backup\* --exclude *.rar --exclude *.zip --exclude *mysql* --exclude *.err* --exclude *.pid* --exclude *\test\* rsync://$RSYNC_NAME@$RSYNC_IP/${IP}_db_lio >> $LOGPATH/db_rsync.log
echo "db_rsync done at $(date)!" >> $LOGPATH/db_rsync.log
}

www_rsync(){
echo "Doing www_rsync..."
echo "www_rsync begin at $(date)!" >> $LOGPATH/www_rsync.log
rsync -rvlHpogDtS --delete --password-file=$PASSFILE $LOCAL_WWW --exclude *\log\* --exclude *\backup\* --exclude *.rar --exclude *.zip rsync://$RSYNC_NAME@$RSYNC_IP/${IP}_www_lio >> $LOGPATH/www_rsync.log
echo "www_rsync done at $(date)!" >> $LOGPATH/www_rsync.log
}

#Script begin here

if [ ! -d $LOGPATH ];then
mkdir $LOGPATH
fi

case $1 in
db_rsync)
db_dump 2>> $LOGPATH/rsync_error.log
db_rsync 2>> $LOGPATH/rsync_error.log
;;
www_rsync)
www_rsync 2>> $LOGPATH/rsync_error.log
;;
*)
echo "$(date) You didn't add parameter in your crontab." >> $LOGPATH/crontab.log
echo "Syntax: backup.sh (db_rsync|www_rsync)" >> $LOGPATH/crontab.log
;;
esac

exit 0