private void init() {
   otherHostInfo = getOtherHostInfo();
   JSch jSch = new JSch();
   java.util.Properties config = new java.util.Properties();
   config.put("StrictHostKeyChecking", "no");
   try {
     session = jSch.getSession(hostInfo.getUser(), hostInfo.getIp(), hostInfo.getPort());
     session.setConfig(config);
     session.setPassword(hostInfo.getPassword());
     session.connect(5000);
     System.out.println(hostInfo.getIp() + "已连接...");
     channel = session.openChannel("shell");
     channel.connect();
     expect =
         new ExpectBuilder()
             .withOutput(channel.getOutputStream())
             .withInputs(channel.getInputStream(), channel.getExtInputStream())
             .withEchoInput(System.out)
             .withEchoOutput(System.err)
             .withInputFilters(removeColors(), removeNonPrintable())
             .withExceptionOnFailure()
             .withTimeout(80000, TimeUnit.SECONDS)
             .withAutoFlushEcho(true)
             .withCombineInputs(true)
             .build();
     System.out.println(expect.getClass().getName());
   } catch (JSchException | IOException e) {
     e.printStackTrace();
     destroy();
     throw new RuntimeException("无法连接" + hostInfo.getIp() + ":" + hostInfo.getPort());
   }
 }
 public void configHostName() throws IOException {
   expect.sendLine("echo '' > /etc/hosts");
   ready(ROOT_USER);
   for (HostInfo info : BuildEnv.ALL_HOST) {
     expect.sendLine("echo '" + info.getIp() + " " + info.getHostName() + "' >> /etc/hosts");
     ready(ROOT_USER);
   }
 }