mongodb备份脚本

#!/bin/bash
sourcepath='/mnt/mongodb/bin'
targetpath='/mnt/mongodb/back' #备份目录
nowtime=$(date +%Y%m%d)

start()
{
${sourcepath}/mongodump --host 127.0.0.1 --port 20011 -uadmin -p'密码' --authenticationDatabase admin --out ${targetpath}/${nowtime}
}
execute()
{
start
if [ $? -eq 0 ]
then
echo "back successfully!"
else
echo "back failure!"
fi
}

if [ ! -d "${targetpath}/${nowtime}/" ]
then
mkdir ${targetpath}/${nowtime}
fi
execute
echo "============== back end ${nowtime} =============="

if [ -d "${targetpath}/${nowtime}/" ]
then
cd /mnt/mongodb/back
tar -cvzf ${targetpath}/${nowtime}.tar.gz ${nowtime}
fi
execute
echo "============== back end ${nowtime} =============="

if [ -d "${targetpath}/${nowtime}/" ]
then
rm -rf /mnt/mongodb/back/"${nowtime}"
fi
find /mnt/mongodb/back/ -type f -name "*.tar.gz" -mtime +6| xargs rm -fr {}; #只保留6天的备份文件。