Python Development Program: simple host batch management tool, python Development

Python Development Program: simple host batch management tool, python Development

Question: simple host batch management tools

Requirements:

 

Flowchart:

Note:

### Author Introduction: * author: lzl ### blog address: * http://www.cnblogs.com/lianzhilei/p/5881434.html### function to achieve the title: simple host Batch Management Tools requirements: Host group after logon display Host group, after you select a group, you can view the host list to execute commands and send files in batches. The results are returned in real time. The host user name and password can be different ### directory structure: host-Manage │ ── ftpclient # client program ── README.txt ── management. py # ├ ── database # database ── test. py # modify database ### note the format of commands for batch execution and file upload sending: put database/tmp/db ### running environment windows python3.0 +README

 

Main Program:

#! /Usr/bin/env python #-*-coding: UTF-8-*-#-Author-Lianimport jsonimport paramikoimport threadingclass Remotehost (object ): # remote host def _ init _ (self, host, port, username, password, cmd): self. host = host self. port = port self. username = username self. password = password self. cmd = cmd def command (self): # obtain the command ssh = paramiko. SSHClient () ssh. set_missing_host_key_policy (paramiko. autoAddPolicy () # Allow connection to host ssh that is not in the know_hosts file. connect (hostname = self. host, port = self. port, username = self. username, password = self. password) # connect to the server stdin, stdout, stderr = ssh.exe c_command (self. cmd) # obtain the command result res, err = stdout. read (), stderr. read () # result = res if res else err print ("[% s]". center (50, "-") % self. host) print (result. decode () # print out ssh. close () def put (self): # upload try: transport = paramiko. transport (self. host, self. port) transport. connect (username = self. username, password = self. password) sftp = paramiko. SFTPClient. from_transport (transport) sftp. put (self. cmd. split () [1], self. cmd. split () [2]) # Upload File transport. close () print ("\ 033 [32; 0m [% s] Upload File [% s] successful .... \ 033 [0 m "% (self. host, self. cmd. split () [2]) failed t Exception as error: # Catch the Exception print ("\ 033 [31; 0m error: [% s] [% s] \ 033 [0 m "% (self. host, error) def run (self): # reflection pai_str = self. cmd. split () [0] if hasattr (self, inclu_str): getattr (self, inclu_str) () else: setattr (self, inclu_str, self. command) getattr (self, cmd_str) () if _ name _ = "_ main _": # main program with open ("database", "r ") as file: data_dict = json. loads (file. read () # obtain database information for k in data_dict: # print the address group print (k) group_choice = input ("enter the name of the group to be operated :"). strip () if data_dict.get (group_choice): host_dict = data_dict [group_choice] # define the host dictionary for k in host_dict: # print all the host names of the selected address group print (k) while True: cmd = input ("select the operation command :"). strip () thread_list = [] if cmd: # The command is not empty for k in host_dict: host, port, username, password = k, host_dict [k] ["port"], host_dict [k] ["username"], host_dict [k] ["password"] func = Remotehost (host, port, username, password, cmd) # instantiate class t = threading. thread (target = func. run) # create thread t. start () thread_list.append (t) for t in thread_list: t. join () # Wait for the thread to execute the result else: print ("\ 033 [31; 0m operation group does not exist \ 033 [0 m ")

 

Database:

{"Group1": {"192.168.20.217": {"password": "123456", "username": "root", "port": 22}, "192.168.20.219 ": {"password": "zyw @ 123", "username": "root", "port": 22 }}, "group2": {"192.168.20.217 ": {"password": "123456", "username": "root", "port": 22 }}}Database