def METHOD_NAME(self):
    if self._sshClient is None:
        self.loadSshConfig()
        self._sshClient = SSHClient()
        self._sshClient.set_missing_host_key_policy(AutoAddPolicy())
        self._sshClient.connect(self.hostname, self.sshPort, self.sshUser,
                                key_filename=self.sshKey, timeout=10)
    return self._sshClient