server.py 文件源码

def get_ssh_client(self, key_file=None, host_key_file='~/.ssh/known_hosts',
                       uname='root'):
        import paramiko
        if not self.instance:
            print('No instance yet!')
            return
        if not self._ssh_client:
            if not key_file:
                iobject = IObject()
                key_file = iobject.get_filename('Path to OpenSSH Key file')
            self._pkey = paramiko.RSAKey.from_private_key_file(key_file)
            self._ssh_client = paramiko.SSHClient()
            self._ssh_client.load_system_host_keys()
            self._ssh_client.load_host_keys(os.path.expanduser(host_key_file))
            self._ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            self._ssh_client.connect(self.instance.public_dns_name,
                                     username=uname, pkey=self._pkey)
        return self._ssh_client