类 Fabric 主机管理程序开发

类 Fabric 主机管理程序开发：
1. 运行程序列出主机组或者主机列表
2. 选择指定主机或主机组
3. 选择让主机或者主机组执行命令或者向其传输文件（上传/下载
4. 充分使用多线程或多进程
5. 不同主机的用户名密码、端口可以不同

代码如下：

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

import threading
import queue,time,os,paramiko

#服务器连接信息获取验证
def auth_action():
    BASE_DIR = os.path.dirname(os.path.dirname(__file__))
    try:
        db_handle = BASE_DIR+"/db/host.json"
    except Exception as a:
        print ("The user is not exist! ",a)
    print (db_handle)
    f = open(db_handle)
    for host_info in f:
        q.put(host_info)
        #print (q.qsize())
#获取执行命令返回信息；
def get_info(hostname,port,username,password,command):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy)
    ssh.connect(hostname,port,username,password)
    # 执行命令;
    stdin, stdout, stderr = ssh.exec_command(command)
    result = stdout.read()
    print("*************", hostname,"*************")
    print(result.decode())
    ssh.close()
#上传文件操作；
def put_file(hostname,port,username,password):
    transport = paramiko.Transport((hostname,int(port)))
    print (hostname,port)
    transport.connect(username = username, password=password)

    sftp = paramiko.SFTPClient.from_transport(transport)
    sftp.put(‘oldboy.avi‘,‘/home/oracle/test_from_win‘)
    sftp.close()
#获取主机列表
def get_host_info():
    BASE_DIR = os.path.dirname(os.path.dirname(__file__))
    try:
        db_handle = BASE_DIR+"/db/host.json"
    except Exception as a:
        print ("The user is not exist! ",a)
    #print (db_handle)
    with open (db_handle) as f:
        print (f.read())



if __name__ =="__main__":
    q = queue.Queue()
    msg ="""
    1.显示主机列表;
    2.主机组执行命令;
    3.向主机传输文件;
    """
    while True:
        print (msg)
        msg_info = input("请选择要执行的操作：")
        if msg_info =="1":
            get_host_info()
        if msg_info=="2":
            print (">>>>>")
            command = input("请输入执行命令！>>>")
            auth_action()
            #print (q.qsize())
            tmp_list = []
            for _ in range(q.qsize()):
                host_list = q.get().split()
                hostname, port, username, password = host_list[1], host_list[4], host_list[2], host_list[3]
                t = threading.Thread(target=get_info, args=((hostname, port, username, password, command)))
                tmp_list.append(t)
                t.start()
            for t in tmp_list:
                t.join()
        if msg_info =="3":
            time_start = time.time()
            #put_file(hostname, port, username, password)
            auth_action()
            tmp_list = []
            for _ in range(q.qsize()):
                host_list = q.get().split()
                hostname, port, username, password = host_list[1], host_list[4], host_list[2], host_list[3]
                t = threading.Thread(target=put_file, args=((hostname, port, username, password)))
                tmp_list.append(t)
                t.start()
            for t in tmp_list:
                t.join()
            cost_time = time.time() - time_start
            print ("上传文件已完成,用时：%s" % cost_time)
        if msg_info =="q":
            print ("退出系统!")
            break