题目:
周末的时候帮朋友写了一个备份需求的脚本,现在整理一下,分享出来使用Python语言的Fabric模块,这里就不扫盲了,运维必用的Python模块;
大概要求:
公司需求,每天凌晨2点备份数据(数据量不大,每天全备),拷贝至备份服务器,通过md5对比备份文件(本机备份文件和备份服务器文件对比),并将备份情况通知运维组同学。
备份思路:
(1.每天凌晨2点在服务器本地使用tar打包备份文件;
(2.备份成功以后,推送至备份服务器;
(3.校验本地备份文件和备份服务器文件的完整性和一致性;
(4.校验文件是否一致,并将备份状态(成功or失败)写入logs文件;
(5.通过查看logs状态检查备份是否成功,并将内容以邮件形式发送管理员;
(6.日志信息以标签的方式写入文本,通过查看文本的信息。确认是否备份成功;
(7.多台服务器备份,所以备份目录格式为:/backup/ip/
备份流程图:
备份脚本 [server端]
# -*- coding: utf-8 -*
#!/usr/bin/env python
from fabric.api import *
from fabric.colors import *
from fabric.context_managers import *
from fabric.contrib.console import confirm
import time
import datetime
#backup server
env.user = 'root'
env.hosts= ['192.168.64.129']
env.password= '123456'
env.deploy_version = time.strftime("%Y%m%d")
#local backup
env.project_dev_source = ['/usr/local/nginx/','/usr/local/php/']
env.project_tar_source = '/backup/'
#backup server
env.deploy_project_dir = '/backup/'
env.deploy_address_ip = '192.168.64.128'
env.deploy_address_dir = env.deploy_project_dir + env.deploy_address_ip
@task
@runs_once
def tar_backup():
#在本地打包备份文件
print yellow("Creating backup package...")
local("mkdir -p %s" % env.project_tar_source)
for source in env.project_dev_source:
with lcd(source):
local("tar -czf %s-%s.tar.gz . " % ((env.project_tar_source + env.deploy_version),source.split('/')[-2]))
local("find /backup -name '*.tar.gz' -mtime +7|xargs rm -f")
print green("Creating backup package success!")
@task
def put_package():
#推送至备份服务器
print yellow("Start put package...")
run("mkdir -p %s "% env.deploy_address_dir)
with settings(warn_only=True):
for source in env.project_dev_source:
result = put(env.project_tar_source+env.deploy_version+"-"+source.split('/')[-2]+".tar.gz",env.deploy_address_dir)
print green("Put & backup package success!")
@task
@runs_once
def md5_check():
#通过md5对比备份服务器和本地备份文件的完整性
print yellow("check backup package...")
with lcd(env.project_tar_source):
lmd5 = local("md5sum %s%s*.gz|awk '{print $1}'"% (env.project_tar_source,env.deploy_version),capture=True).split()
rmd5 = run("md5sum %s/%s*.gz|awk '{print $1}'"% (env.deploy_address_dir,env.deploy_version)).split()
#将备份状态信息写入备份服务器的日志文本
if lmd5==rmd5:
status = '备份时间 : %-25s备份IP : %-30s备份状态 : 备份成功!'% (datetime.date.today(),env.deploy_address_ip)
run("echo '%s' >> %slogs/backup_%s.log"% (status,env.deploy_project_dir,env.deploy_version))
print green("backup package md5 contrast success!")
else:
status = '备份时间 : %-25s备份IP : %-30s备份状态 : 备份失败!'% (datetime.date.today(),env.deploy_address_ip)
run("echo '%s' >> %slogs/backup_%s.log"% (status,env.deploy_project_dir,env.deploy_version))
print green("backup package md5 contrast failure!")
@task
def back():
tar_backup()
put_package()
md5_check()
Email脚本 [backup server端]
# -*- coding: utf-8 -*
#!/usr/bin/env python
import commands
import smtplib
import string
import time
#查看备份服务器的日志文本信息
info = commands.getoutput('cat /backup/logs/backup_%s.log'% time.strftime("%Y%m%d"))
def email():
HOST = "smtp.qq.com"
SUBJECT = ""
#收件人
TO = "address@qq.com"
#发件人
FROM = "username@qq.com"
#邮件内容
text = "%s" % info
BODY = string.join((
"From: %s" % FROM,
"To: %s" % TO,
"Subject: %s" % SUBJECT ,
"",
text
), "\r\n")
#防止一次发送失败,循环发送5次
for i in range(5):
try:
server = smtplib.SMTP()
server.connect(HOST,"25")
server.starttls()
server.login("username@qq.com","password")
server.sendmail(FROM, [TO], BODY)
server.quit()
return True
except Exception,error:
print " \033[31m%s \033[0m"% error
continue
return False
if __name__ == '__main__':
email()
效果测试图,待补充 ...