paramiko建立無密碼傳輸認證

root@datapark2:~# python -V Python 3.4.3 #!/usr/bin/python # -*- coding:utf-8 -*- import paramiko import sys,os home_dir=os.path.expanduser('~') id_rsa_pub='%s/.ssh/id_rsa.pub' % home_dir if not id_rsa_pub:     print('id_rsa.pub error!')     sys.exit(0) def upload_file(hostname,port,user,passwd):     try:         s=paramiko.SSHClient()         s.set_missing_host_key_policy(paramiko.AutoAddPolicy())         s.connect(hostname,port,user,passwd)         t=paramiko.Transport((hostname,port))         t.connect(username=user,password=passwd)         sftp=paramiko.SFTPClient.from_transport(t)         print('create Host:%s .ssh dir......' %hostname)         stdin,stdout,stderr=s.exec_command('mkdir ~/.ssh')         print('upload id_rsa.pub to Host: %s.....' %hostname)         sftp.put(id_rsa_pub,"/tmp/temp_key")         stdin,stdout,stderr=s.exec_command('cat /tmp/temp_key >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys && rm -f /tmp/temp_key')         print('host:%s@%s auth success!\n' %(user,hostname))         t.close()         s.close()     except Exception as e:         import traceback         traceback.print_exc()         try:             t.close()             s.close()         except:             pass def run():     with open('host.txt','r') as f:         for i in f:             f1 = i.split()             hostname,port,user,passwd = f1         upload_file(hostname,int(port),user,passwd) if __name__ =="__main__":     run() root@datapark2:/data/python_test# cat host.txt  192.168.31.162 22 root 123456 192.168.31.130 22 root 123456