求:機(jī)房、線上有多臺(tái)主機(jī),為了保障安全,需要定期修改密碼。若手動(dòng)修改,費(fèi)時(shí)費(fèi)力易出錯(cuò)。
程序應(yīng)該滿足如下需求 :
1、在現(xiàn)有的excel密碼表格,在最后一個(gè)字段后面生成新的密碼,另存為一個(gè)新的excel密碼文件
2、根據(jù)新的excel密碼文件,更新服務(wù)器密碼,將更新后的結(jié)果保存到另外一個(gè)excel文件。
a、原始excel文件字段格式,最后一個(gè)字段為原始密碼
IP USER PORT pwd
b、生成新的密碼文件字段格式,最后一個(gè)字段為更新密碼
IP USER PORT pwd pwd20180929
c、生成新的密碼文件字段格式,最后一個(gè)字段為更新是否成功的標(biāo)識(shí)
IP PORT USERNAME OLDPASS NEWPASS FLAG
按照面向?qū)ο缶幊痰乃枷耄梢栽O(shè)計(jì)2個(gè)類,excelhandler和ChangePassword
excelhandler主要負(fù)責(zé)excel文件的讀取,寫入,增加一個(gè)生成密碼文件
ChangePassword主要利用paramiko登陸服務(wù)器進(jìn)行密碼更新
excelhandler類
#_*_ 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類
#_*_ 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、生成密碼 2、更新密碼>>")
if str(inp) == "1":
eh.gen_new_password_excel()
elif str(inp) == "2":
updatepassword()
elif inp == "exit":
exit()
else:
continue
代碼下載:https://github.com/liaogs/changepassword.git
總結(jié)
以上所述是小編給大家介紹的python實(shí)現(xiàn)批量修改服務(wù)器密碼的方法,希望對(duì)大家有所幫助,如果大家有任何疑問請(qǐng)給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)腳本之家網(wǎng)站的支持!
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