content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.hadoop.chukwa.datacollection.agent;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.hadoop.chukwa.Chunk;
  import org.apache.hadoop.chukwa.datacollection.ChunkQueue;
  import org.apache.hadoop.chukwa.datacollection.DataFactory;
  import org.apache.hadoop.conf.Configuration;
  
  import static org.apache.hadoop.chukwa.datacollection.agent.ChukwaConstants.*;
  import junit.framework.TestCase;
  
  public class TestChukwaSsl extends TestCase{
    String keyStoreFile = "chukwa.store";
    @Override
    protected void setUp() throws IOException, InterruptedException{
      String[] cmd = new String[]{System.getenv("JAVA_HOME")+"/bin/keytool", "-genkeypair", "-keyalg", "RSA",
          "-alias", "monitoring", "-validity", "36500", "-keystore", keyStoreFile, "-keysize", "1024",
          "-keypass", "chukwa", "-storepass", "chukwa", "-dname", "cn=*,ou=chukwa,o=apache,c=US", "-storetype", "jks"
      };
      Process p = Runtime.getRuntime().exec(cmd);
      p.waitFor();
      if(p.exitValue() != 0){
        BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line;
        while((line = reader.readLine()) != null){
          System.out.println("Output:"+line);
        }
        reader = new BufferedReader(new InputStreamReader(p.getErrorStream()));
        while((line = reader.readLine()) != null){
          System.out.println("Error:"+line);
        }
      }
      System.out.println("keytool exit value:" + p.exitValue());
    }
    
    @Override
    protected void tearDown(){
      new File(keyStoreFile).delete();
    }
      
  
    public void testRestServer() throws Exception{
      //keystore generated using the following command
      //keytool -genkeypair -keyalg RSA -alias monitoring -validity 36500 -keystore src/test/resources/chukwa.store -keysize 1024 -keypass chukwa -storepass chukwa -dname "cn=*, ou=chukwa, o=apache, c=US" -storetype jks
      Configuration conf = new Configuration();
      conf.set(SSL_ENABLE, "true");
      String keystore = new File(ClassLoader.getSystemResource("chukwa.store").getFile()).getAbsolutePath();
      System.out.println("keystore = "+keystore);
      String commonPassword = "chukwa";
      
      conf.set(KEYSTORE_STORE, keystore);
      conf.set(KEYSTORE_PASSWORD, commonPassword);
      conf.set(KEYSTORE_KEY_PASSWORD, commonPassword);
      conf.set(TRUSTSTORE_STORE, keystore);    
      conf.set(TRUST_PASSWORD, commonPassword);
      /*
      //optional properties     
      String storeType = "pkcs12";
      String sslProtocol = "TLS";   
      conf.set(KEYSTORE_TYPE, storeType);
      conf.set(TRUSTSTORE_TYPE, storeType);
      conf.set(SSL_PROTOCOL, sslProtocol);
      */
      //start agent, which starts chukwa rest server
      ChukwaAgent agent = ChukwaAgent.getAgent(conf);
      agent.start();
      System.out.println("Started ChukwaRestServer");
      testSecureRestAdaptor(agent);
      agent.shutdown();
      System.out.println("Stopped ChukwaRestServer");
    }
    
    private void testSecureRestAdaptor(ChukwaAgent agent) {
      //add rest adaptor to collect the agent adaptor info through https
      agent.processAddCommand("add RestAdaptor DebugProcessor https://localhost:9090/rest/v2/adaptor 5 0");
      assertEquals(1, agent.adaptorCount());
      final ChunkQueue eventQueue = DataFactory.getInstance().getEventQueue();
      final List<Chunk> chunks = new ArrayList<Chunk>();
      Thread collector = new Thread(){
        @Override
        public void run(){
          try {
            eventQueue.collect(chunks, 1);
          } catch (InterruptedException e) {
          }
        }
      };
      
      //wait 10s and interrupt the collector
      collector.start();
      try {
        collector.join(10000);
      } catch (InterruptedException e) {
      }
      collector.interrupt();    
      
      //make sure we collected atleast 1 chunk
      assertTrue(chunks.size() > 0);
      for(Chunk chunk: chunks){
        String data = new String(chunk.getData());
        System.out.println("Collected chunk - " + data);
      }
    }
  }
  