用python实现批量获取Linux主机简要信息并保存到Excel中 unstable 1.1

 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #filename get_linux_info.py
 #获取Linux主机的信息
 # titles=['Hostname','OS','Arch','Distribution','IPs','cpu','core','Mem','Data','Disk']

 import paramiko
 import sys

 ssh = paramiko.SSHClient()
 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy)
 def conn_to_hosts(hostname,username,password,port=22):
     """连接目标主机的函数"""
     try:
         ssh.connect(hostname,username=username,password=password,port=port,timeout=10)
     except:
         print("ssh to {} failed".format(hostname))
         sys.exit()

 def get_info(hostname,username,password,port=22):
     """通过shell命令获取主机信息"""

     #创建一个空字典存放收集的主机信息
     infos={}

     def command(name,cmd):
         stdin,info,stderr = ssh.exec_command(cmd)
         infos[name] = str(info.readline()).replace('\n','')
     #连接主机
     conn_to_hosts(hostname,username,password,port=port)
     #执行shell命名
     command('Hostname','hostname')
     command('OS','uname')
     command('Arch','arch')
     command('Distribution','egrep ^ID=  /etc/os-release | egrep -o "[a-z]*" || head -1 /etc/issue |  egrep -o "[A-Za-z]{2,}|[0-9]{1,}.[0-9]{1,}" | tr "\n" " "')
     command('Version','egrep ^VERSION_ID  /etc/os-release | egrep -o "[0-9]{1,}\.?[0-9]{0,}?" ||  egrep -o "[0-9]{1,}\.?[0-9]{0,}?" /etc/issue')
     command('IPs',"""ifconfig |  awk '/inet/ {print $2}' | egrep -o  "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" | tr '\n' ' '""")
     command('cpu','grep "physical id" /proc/cpuinfo | sort | uniq | wc -l')
     command('core','grep "processor" /proc/cpuinfo |  wc -l')
     command('Mem',"free -h | awk  '/Mem/ {print $2}'")
     command('Data',"""df -hT | grep  "/$" | awk '{print "total:"$3,"used:"$4}'""")
     command('Disk',"""lsblk -r |  awk '/disk/ {print $1":"$4}' | tr '\n' ' '""")

     return infos

 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #filename get_targetspy
 #读取目标主机信息文件并转化为便于处理的格式
 import     re
 def targets(filename):
     #"""处理TXT文件"""
     f = open(filename,'r')
     hosts = []
     for line in f.readlines():
         line = str(line).replace("\n","")
         line = line.strip(" ")
         line = re.sub(r"\s{1,}"," ",line)
         hosts.append(list(line.split(" ")))
     return hosts

 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #将获取的信息存到Excel表格中
 #filename create_excel.py
 import xlsxwriter
 import os
 import time
 import get_targets
 import get_linux_info

 titles=['Hostname','OS','Arch','Distribution','Version','IPs','cpu','core','Mem','Data','Disk']

 def createfile(hostsfile):
     #Excel文件名
     time_format = "%Y%m%d-%H%M%S"
     now = time.strftime(time_format,time.localtime())
     filename = "hostinfo"+ now + ".xlsx"

     #创建 xlsx 文件
     workbook = xlsxwriter.Workbook(filename)
     #创建一个表
     worksheet = workbook.add_worksheet("主机信息")
     worksheet.set_column(0, len(titles), 15)

     #设置标题格式
     format_title=workbook.add_format()
     format_title.set_align('center')
     format_title.set_bold()
     #行坐标A
     row_pos = []
     for i in range(len(titles)):
         row_pos.append(chr(65+i))

     #写入标题
     for i in range(len(titles)):
         worksheet.write(row_pos[i]+"",titles[i],format_title)

     targets = get_targets.targets(hostsfile)
     # print(targets)
     for host in range(len(targets)):
         hostname = targets[host][0].strip()
         username = targets[host][1].strip()
         password = targets[host][2].strip()
         try:
             port = targets[host][3].strip()
         except:
             port = ''
         #使用分析出的账户密码登录目标主机
         # global port
         try:
             hostinfo = get_linux_info.get_info(hostname,username,password,port)
             print('Geting {} info'.format(hostname))
         except:
             print("can't ssh to host:"+hostname)
             continue
         #连接成功之后开始写入到Excel文件
         for i in range(len(titles)):
             col_pos = str(host + 2)
             title = titles[i]
             worksheet.write(row_pos[i]+col_pos,hostinfo[title])
     workbook.close()

 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #filename main.py
 import create_excel
 import os
 import time
 if __name__ == '__main__':
     hostfile='hosts.txt'
     print("Geting host info 。。。。。。")
     create_excel.createfile(hostfile)

hosts.txt内容：
192.168.1.125  root  root  2214