处理缺失的SSH连接

发布于 2025-02-11 14:52:14 字数 294 浏览 0 评论 0原文

为了通过SSH连接，我使用以下代码：

import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(IP, username=USER, password=PSW,look_for_keys=False)

我的问题是，如何处理丢失的连接？特别是我想要的，如果没有建立连接，则代码（也许是goto？）到了代码的另一点，我基本上是我重新启动服务器。

原文

In order to connect via SSH I'm using the following code:

import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(IP, username=USER, password=PSW,look_for_keys=False)

my question is, how can I handle a missing connection?
In particular I'd like that in case the connection is not established the code goes (maybe with a GOTO?) to another point of the code where basically I restart the server.

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温馨耳语 2025-02-18 14:52:14

您可以简单地尝试尝试捕获异常
martin-prikryl ，例如：

try:
    client.connect(host="192.168.0.8",
                   username="user1",
                   password="password1234"
                   )
except AuthenticationException:
    print("Authentication failed, please verify your credentials: %s")
except SSHException as sshException:
    print("Unable to establish SSH connection: %s" % sshException)

对于SSH例外的其他示例，您可以查看 https://www.programcreek.com/python/example/example/7495/paramiko.sshexception

You could simply use a try and catch the exception as mentioned by
martin-prikryl, such as:

try:
    client.connect(host="192.168.0.8",
                   username="user1",
                   password="password1234"
                   )
except AuthenticationException:
    print("Authentication failed, please verify your credentials: %s")
except SSHException as sshException:
    print("Unable to establish SSH connection: %s" % sshException)

For other examples of ssh exceptions you can look at https://www.programcreek.com/python/example/7495/paramiko.SSHException

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