postgreSQL备份脚本删除3天前备份同时压缩昨天备份

脚本功能：

系统环境：SUSE Linux Server 11.3 X64

1.删除3天前压缩文件(.bak.tar.gz)

2.备份数据库（未压缩文件.bak）

3.压缩昨天数据库备份文件(.bak.tar.gz),删除昨天数据库备份未压缩文件(.bak)

#!/bin/bash

export PATH=$PATH:/usr/local/pgsql/bin

DATE=`date +%Y_%m_%d_%H`

YESDAY=`date -d "yesterday" +%Y_%m_%d_%H`

TWODAGO=`date -d "3 day ago" +%Y_%m_%d_%H`

PGHOME="/home/postgres"

cd $PGHOME

echo "Dir list before delete 3 day ago backup file: "

ls -lrt

#### delete 3 day ago backup file ####

TDAFILE="testdb_"$TWODAGO".bak.tar.gz"

echo "Detele 3 Day ago file: "$TDAFILE

rm "$TDAFILE"

echo "Dir list after delete 3 day ago backup file: "

ls -lrt

#### Backup ape database ####

echo $DATE

echo "Starting backup database: ape ...."

su - postgres -c "pg_dump testdb > /home/postgres/testdb_$DATE.bak"

reval=#?

if reval=0

then 

echo "Database testdb backup Successful!"

else

echo "Database testdb backup Failed!"

fi

echo "Dir list After backup database testdb: "

ls -lrt

#### Compress and remove yesterday bak file####

COMFILE="testdb_"$YESDAY".bak.tar.gz"

YDFILE="testdb_"$YESDAY".bak"

echo "tar zcvf $COMFILE $YDFILE"|sh 

echo "General yesterday tar file: "$COMFILE

rm "$YDFILE"

echo "delete yesterday file: "$YDFILE

echo "Dir list After tar yesterday backup file: "

ls -lrt

find /home/postgres -mtime +3 -name "*.bak" -exec rm -rf {} \;

find /home/postgres -mtime +3 -name "*.bak.tar.gz" -exec rm -rf {} \;

本文出自 “yiyi” 博客，请务必保留此出处http://heyiyi.blog.51cto.com/205455/1658896

postgreSQL备份脚本删除3天前备份同时压缩昨天备份

标签：postgresql shell