How to know if a paramiko SSH channel is disconnected?

Question

I\'m desinging test cases in which I use paramiko for SSH connections. Test cases usually contain paramiko.exec_command() calls which I have a wrapper for (call

Answer 1

My solution basically the same as yours, just organized differently:

def connection(self):
    if not self.is_connected():
        self._ssh = paramiko.SSHClient()
        self._ssh.connect(self.server, self.port,
                          username = self.username, password = self.password)

    return self._ssh

def is_connected(self):
    transport = self._ssh.get_transport() if self._ssh else None
    return transport and transport.is_active()

def do_something(self):
    self.connection().exec_command('ls')