Python 数据库备份脚本（邮件通知+日志记录）

#dbbackup.py
#!/usr/bin/python
#coding:utf-8

import subprocess
import time
import os
import sys
import sendEmail
import getip
import logging

#create logger
logger = logging.getLogger("dbbackup")
logger.setLevel(logging.DEBUG)
#create console handler and set level to error
ch = logging.StreamHandler()
ch.setLevel(logging.ERROR)
#create file handler and set level to debug
fh = logging.FileHandler("dbbackup.log")
fh.setLevel(logging.DEBUG)
#create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
#add formatter to ch and fh
ch.setFormatter(formatter)
fh.setFormatter(formatter)
#add ch and fh to logger
logger.addHandler(ch)
logger.addHandler(fh)

mail_to_list = ['lihuipeng@xxx.com',]

def backup(user='root', password='123456', host='localhost', dbname='mysql'):
start_time = time.clock()
ip = getip.get_ip_address('eth0')
today = time.strftime("%Y%m%d", time.localtime())
backup_dir = '/data/dbbackup/%s' % today
if not os.path.isdir(backup_dir):
os.makedirs(backup_dir)
os.chdir(backup_dir)
cmd = "/usr/local/mysql/bin/mysqldump --opt -u%s -p%s -h%s %s | gzip > %s-%s-%s.sql.gz" \
% (user,password,host,dbname,today,ip,dbname)
logger.debug(dbname + ':' + cmd)
result = subprocess.Popen(cmd, shell=True,stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
content = result.stdout.read()
if content:
logger.error(dbname + ':' + content)
subject = "%s - %s backup error" % (ip,dbname)
sendEmail.send_mail(mail_to_list,subject,content)
end_time = time.clock()
use_time = end_time - start_time
logger.debug(dbname + " backup use: %s" % use_time)

def help():
print '''''Usage: %s dbname'''  % sys.argv[0]
sys.exit(1)

if __name__ == "__main__":
if len(sys.argv) != 2:
help()
backup(dbname=sys.argv[1])

#sendEmail.py
#!/usr/bin/python
#coding:utf-8

import smtplib
from email.mime.text import MIMEText

mail_to_list = ['xxxxxx@qq.com',]
mail_host = 'smtp.163.com'
mail_user = 'lihuipeng007'
mail_pass = 'xxxxxxx'
mail_postfix = '163.com'

def send_mail(to_list,subject,content):
me = mail_user+"<"+mail_user+"@"+mail_postfix+">"
msg = MIMEText(content)
msg['Subject'] = subject
msg['From'] = me
msg['to'] = ";".join(mail_to_list)

try:
s = smtplib.SMTP()
s.connect(mail_host)
s.login(mail_user,mail_pass)
s.sendmail(me,to_list,msg.as_string())
s.close()
return True
except Exception,e:
print str(e)
return False

if __name__ == "__main__":
if send_mail(mail_to_list, 'Test for python_mail', "aaaaaaaaaaaaaaa"):
print "send success!"
else:
print "send fail!"

#getip.py
#!/usr/bin/python
#coding:utf-8

import socket
import fcntl
import struct
def get_ip_address(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(
s.fileno(),
0x8915,  # SIOCGIFADDR
struct.pack('256s', ifname[:15])
)[20:24])

if __name__ == "__main__":
print get_ip_address('eth0')
print get_ip_address('lo')