求：机房、线上有多台主机，为了保障安全，需要定期修改密码。若手动修改，费时费力易出错。

程序应该满足如下需求 ：

1、在现有的excel密码表格，在最后一个字段后面生成新的密码，另存为一个新的excel密码文件

2、根据新的excel密码文件，更新服务器密码，将更新后的结果保存到另外一个excel文件。

a、原始excel文件字段格式，最后一个字段为原始密码

IP USER PORT pwd

b、生成新的密码文件字段格式，最后一个字段为更新密码

IP USER PORT pwd pwd20180929

c、生成新的密码文件字段格式，最后一个字段为更新是否成功的标识

IP PORT USERNAME OLDPASS NEWPASS FLAG

按照面向对象编程的思想，可以设计2个类，excelhandler和ChangePassword

excelhandler主要负责excel文件的读取，写入，增加一个生成密码文件

ChangePassword主要利用paramiko登陆服务器进行密码更新

excelhandler类

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

'''

@author liaogs

'''

import json

import xlrd

import xlwt

import time

import datetime

import base64

import random

from xlutils.copy import copy

class excelhandler():

def __init__(self,path):

self.path = path

self.workbook = None

self.rows = 0

self.cols = 0

self.serverlist = []

def read_excel(self):

self.workbook = xlrd.open_workbook(self.path)

sh1 = self.workbook.sheet_by_index(0)

self.rows = sh1.nrows

self.cols = sh1.ncols

for row in range(1,sh1.nrows):

server = []

for col in [0,1,2,sh1.ncols-2,sh1.ncols-1]:

server.append(sh1.cell(row,col).value)

self.serverlist.append(server)

def gen_new_password_excel(self):

old_excel = xlrd.open_workbook(self.path)

new_excel = copy(old_excel)

ws = new_excel.get_sheet(0)

coldt = "pass"+ str(datetime.date.today())

ws.write(0,self.cols,coldt)

for row in range(1,self.rows):

ws.write(row,self.cols,self.gen_key())

dt = time.strftime("%Y%m%d%H%M%S",time.localtime())

new_excel.save(dt+self.path)

def write_excel(self,serverlist):

wb = xlwt.Workbook()

ws = wb.add_sheet(u'sheet1',cell_overwrite_ok=True)

header = ["IP","PORT","USERNAME","OLDPASS","NEWPASS","FLAG"]

for col in range(0,6):

ws.write(0,col,header[col])

for row in range(len(serverlist)):

for col in range(0,6):

ws.write(row+1,col,serverlist[row][col])

dt = time.strftime("%Y%m%d%H%M%S", time.localtime())

wb.save(dt+".xlsx")

def get_server_list(self):

return self.serverlist

def get_rows(self):

return self.rows

def get_cols(self):

return self.cols

def gen_key(self):

pool = "1234567890abcdefghijklmnopqrstuvwxyzQWERTYUIOPASDFGHJKLZXCVBNM"

length = len(pool)

key = ""

for i in range(28):

c = random.randint(0,length)

key += pool[c:c+1]

return key

ChangePassword类

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

'''

@author liaogs

'''

import paramiko

import sys

class ChangePassword():

def __init__(self,hostip,port,username,oldpass,newpass):

self.hostip = hostip

self.port = port

self.username = username

self.oldpass = oldpass

self.newpass = newpass

self.updateflag = False

def run_change(self):

s = paramiko.SSHClient()

s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

tasklist = []

try:

s.connect(hostname=self.hostip, port=self.port, username=self.username, password=self.oldpass)

print ('"%s" is updating password' % self.hostip)

stdin, stdout, stderr = s.exec_command('echo %s |passwd --stdin root' % self.newpass)

r_message = stdout.read()

if "successfully" in r_message:

self.updateflag = True

print('%s is successful' %self.hostip)

else:

print('%s is failed' %self.hostip)

self.updateflag = False

s.close()

except Exception:

self.updateflag = False

print("connection error")

tasklist = [self.hostip, self.port, self.username, self.oldpass, self.newpass, self.updateflag]

return tasklist

main

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

'''

@author liaogs

'''

import re

import sys

from excelhandler import excelhandler

from changepassword import ChangePassword

if __name__ == '__main__':

if len(sys.argv) == 1:

eh = excelhandler("pass.xlsx")

else:

eh = excelhandler(sys.argv[1])

eh.read_excel()

def updatepassword():

ret = eh.get_server_list()

tasklist = []

for i in range(len(ret)):

print(ret[i][0],ret[i][2],ret[i][1],ret[i][3],ret[i][4])

cp = ChangePassword(hostip=ret[i][0],port=int(ret[i][2]),username=ret[i][1],oldpass=ret[i][3],newpass=ret[i][4])

task = cp.run_change()

tasklist.append(task)

print(tasklist)

eh.write_excel(tasklist)

while True:

inp = input("1、生成密码 2、更新密码>>")

if str(inp) == "1":

eh.gen_new_password_excel()

elif str(inp) == "2":

updatepassword()

elif inp == "exit":

exit()

else:

continue

代码下载：https://github.com/liaogs/changepassword.git

总结

以上所述是小编给大家介绍的python实现批量修改服务器密码的方法,希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！

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