Python Oracle数据库备份脚本

学习Python,将shell备份脚本改成了Python脚本练手,Python Oracle备份脚本一例如下。

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#!/usr/bin/env python 


# -*- coding: utf-8 -*-


import time


import os


#配置oracle环境变量参数


os.environ["NLS_LANG"] = "Simplified Chinese_china.ZHS16GBK"


os.environ['ORACLE_HOME'] = '/u01/app/oracle/product/10.2.0/db_1'


os.environ['PATH'] = "/u01/app/oracle/product/10.2.0/db_1/bin" + ":" + os.environ['PATH']


os.environ['ORACLE_SID'] = "orcl"


os.environ['LANG'] = "en_US"


#打印提示信息。


exp_node1 = "\n成功备份文件到目录...."


exp_node2 = "备份失败"


cls_node1 = "数据库备份数据清除成功,删除语句如下...."


cls_node2 = "数据库备份清除失败"


#配置导出的数据库信息


data_path = '/tmp/'


db_username = 'abc'


db_password = 'abc'


db_name = 'abc'


"""


print os.getenv('NLS_LANG')


print os.getenv('ORACLE_HOME')


print os.getenv('ORACLE_SID')


"""


def oracle_exp():


    exp_command = "exp %s/%s file=%s%s_%s-%s-%s_%s%s%s.dmp log=%s%s_%s-%s-%s_%s%s%s.log"  % (db_username,db_password,data_path,db_name,time.strftime('%Y'),time.strftime('%m'),time.strftime('%d'),time.strftime('%H'),time.strftime('%M'),time.strftime('%S'),data_path,db_name,time.strftime('%Y'),time.strftime('%m'),time.strftime('%d'),time.strftime('%H'),time.strftime('%M'),time.strftime('%S'))


    exp_note = "数据库备份执行语句...."


    print "\033[1;31;40m%s\033[0m" %  exp_note


    print "\033[1;31;40m%s\033[0m" %  exp_command


    if os.system(exp_command) == 0:


        print "\033[1;32;40m%s\033[0m" % exp_node1


    else:


        print "\033[1;31;40m%s\033[0m" % exp_node2


 


def backup_clear():


    cls_command1 = '/usr/bin/find %s -mtime +1 -name "*.dmp" -exec rm -rf {} \;' % data_path


    cls_command2 = '/usr/bin/find %s -mtime +1 -name "*.log" -exec rm -rf {} \;' % data_path


    if os.system(cls_command1) == 0 and os.system(cls_command2) == 0:


        print "\n\033[1;32;40m%s\033[0m" % cls_node1


    else:


        print "\n\033[1;31;40m%s\033[0m" % cls_node2


    print "%s" % cls_command1


    print "%s\n" % cls_command2


 


def main():


    oracle_exp()


    backup_clear()


if __name__ == "__main__":


    main()


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