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.ambari.funtest.server;
  
  import com.google.inject.Inject;
  import org.apache.ambari.server.controller.AmbariServer;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import com.google.inject.Injector;
  
  /**
  * Wrap AmbariServer as a testable unit.
  */
  public class LocalAmbariServer implements Runnable {
  
    private static Log LOG = LogFactory.getLog(AmbariServer.class);
  
    /**
     * Actual ambari server instance.
     */
    private AmbariServer ambariServer = null;
  
    @Inject
    private Injector injector;
  
    public LocalAmbariServer() {}
  
    /**
     * Thread entry point.
     */
    @Override
    public void run(){
      try {
        startServer();
      }
      catch (Exception ex) {
        LOG.info("Exception received ", ex);
        throw new RuntimeException(ex);
      }
    }
  
    /**
     * Configures the Guice injector to use the in-memory test DB
     * and attempts to start an instance of AmbariServer.
     *
     * @throws Exception
     */
    private void startServer() throws Exception {
      try {
        LOG.info("Attempting to start ambari server...");
  
        AmbariServer.setupProxyAuth();
        ambariServer = injector.getInstance(AmbariServer.class);
        ambariServer.initViewRegistry();
        ambariServer.run();
      } catch (InterruptedException ex) {
        LOG.info(ex);
      } catch (Throwable t) {
        LOG.error("Failed to run the Ambari Server", t);
        stopServer();
        throw t;
      }
    }
  
    /**
     * Attempts to stop the test AmbariServer instance.
     * @throws Exception
     */
    public void stopServer() throws Exception {
      LOG.info("Stopping ambari server...");
  
      if (ambariServer != null) {
        ambariServer.stop();
      }
    }
  }
  