paramiko(基于ssh用于连接远程服务器)
1.ssh的linux远程连接过程
# ssh username@ip passwd
# 解决的问题:如果只前没有连接过的ip 会出现
"""
[root@foundation0 .ssh]# ssh [email protected]
The authenticity of host '172.25.254.36 (172.25.254.36)' can't be established.
ECDSA key fingerprint is bc:f5:f7:4b:39:41:d8:27:61:b0:56:55:e5:05:a9:5b.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '172.25.254.36' (ECDSA) to the list of known hosts.
[email protected]'s password:
Last login: Sun Jan 12 10:16:28 2020
[root@foundation54 ~]# exit
logout
Connection to 172.25.254.36 closed.
[root@foundation0 .ssh]# ssh [email protected]
[email protected]'s password:
"""
parammiko
基于ssh用于连接远程服务操作包:
远程执行命令
上传命令
import paramiko
# 创建一个ssh对象
client = paramiko.SSHClient()
# 自动选择yes
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# 连接的服务器
client.connect(
hostname='172.25.254.11',
username='root',
password='westos'
)
# 执行操作
# 标准输入 标准正确输出 标准错误输出
stdin,stdout,stderr = client.exec_command('hostname')
# 获取命令的执行结果
print(stdout.read().decode('utf-8'))
# 关闭连接
client.close()
2.paramiko批量远程密码连接
from paramiko.ssh_exception import NoValidConnectionsError, AuthenticationException
import paramiko
def connect(cmd, hostname, user, password):
# 创建一个ssh对象
client = paramiko.SSHClient()
# 自动选择yes
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
# 连接的服务器
client.connect(
hostname=hostname,
username=user,
password=password
)
except NoValidConnectionsError as e:
return '主机%s连接失败' % (hostname)
except AuthenticationException as e:
return '主机%s密码错误' % (hostname)
except Exception as e:
return '未知错误:', e
# 执行操作
# 标准输入 标准正确输出 标准错误输出
stdin, stdout, stderr = client.exec_command(cmd)
# 获取命令的执行结果
print(stdout.read().decode('utf-8'))
# 关闭连接
client.close()
with open('hosts') as f:
for line in f:
# 172.25.254.254:root:dd
hostname, username, password = line.strip().split(':')
print(hostname.center(50, '*'))
print('用户名:%s' % (username))
res = connect('hostname', hostname, username, password)
3.paramiko批量远程上传和下载
import paramiko
transport = paramiko.Transport(('172.25.60.250', 22))
transport.connect(username='root', password='westos')
sftp = paramiko.SFTPClient.from_transport(transport)
# 上传文件, 包含文件名(将当前电脑中的文件上传到地址为172.25.60.250的电脑中)
sftp.put('/home/kiosk/Desktop/test/passwd1', '/home/kiosk/Desktop/haha')
transport.close()
import paramiko
transport = paramiko.Transport(('172.25.254.13', 22))
transport.connect(username='root', password='westos')
sftp = paramiko.SFTPClient.from_transport(transport)
# 下载文件文件, 包含文件名(将ip地址为172.25.60.250电脑中的文件下载到当前的文件夹中)
sftp.get('/home/kiosk/dd1', 'dd1')
transport.close()