脚本功能：
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1.自动创建备份目录
2.自动备份数据库的每个表,并压缩
3.备份结果，邮件通知联系人
4.脚本内容
#!/usr/bin/env python
# --*-- coding:UTF-8 --*--
# Create by JIANGLEI.YU on 2016/04/21
# 多表自动备份ok。发送邮件失败。
import MySQLdb
import sys
import os
import datetime
import smtplib
from email.mime.text import MIMEText
import sys
# Define Mysql Environments
Hostname='192.168.0.141'
Username='root'
Password='123456'
Database='virtual'
MYSQLDUMP='/usr/bin/mysqldump'
GZIP='/usr/bin/gzip'
timestamp=datetime.datetime.now().strftime("%Y%m%d%H%M%S")
Destination_dir='/home/bak/tables/' + timestamp + '/'
# Define Smtp Environments
Host='smtp.exmail.qq.com'
Port=25
sender='yujianglei@singulax.com'
Pass='123456'
recivers='jianglei.yu@foxmail.com'
def main():
if os.path.exists(Destination_dir) == False:
os.makedirs(Destination_dir)
db_table_backup()
else:
db_table_backup()
def email():
try:
server= smtplib.SMTP()
server.connect(Host,Port)
server.login(sender,Pass)
server.sendmail(sender,recivers,msg.as_string())
except Exception,e:
print e
print "邮件发送失败！"
def backup_failed():
global msg
msg = MIMEText('数据库单表备份失败')
msg['subject'] = '数据库单表备份失败'
msg['From'] = sender
msg['To'] = recivers
email()
sys.exit(2)
def backup_sucess():
global msg
msg = MIMEText(('数据库单表备份成功,共备份%d张表,共用时%.2f分钟.') % (tables_count,backup_period) , 'plain','utf-8' )
msg['subject'] = '数据库单表备份成功'
msg['From'] = sender
msg['To'] = recivers
email()
def db_table_backup():
start_time=datetime.datetime.now()
try:
db = MySQLdb.connect(Hostname,Username,Password,Database,connect_timeout=2)
cursor = db.cursor()
except Exception, e:
# print e
print "连接数据库失败"
backup_failed()
cursor.execute('show tables')
f = cursor.fetchall()
list_status = []
for table in f:
# print table
for i in table:
MYSQLDUMP_CMD = MYSQLDUMP + ' -h' + Hostname + ' -u' + Username + ' -p' + Password + ' ' + Database + ' ' + i + ' ' + '| ' + GZIP + ' >' + Destination_dir + Database + '-' + timestamp+ '.' + i + '.' + 'sql.gz'
result = os.system(MYSQLDUMP_CMD)
list_status.append(result)
global tables_count
tables_count = len(list_status)
list_test=[0]
j = set(list_status).issubset(set(list_test))
if j == True:
end_time=datetime.datetime.now()
global backup_period
backup_period = ((end_time - start_time).seconds)/60.0
backup_sucess()
else:
backup_failed()
cursor.close()
db.close()
if __name__ == '__main__':
main()