HeronReefUtils.java

// Copyright 2016 Twitter. All rights reserved.
//
// Licensed 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 com.twitter.heron.scheduler.yarn;

import java.nio.file.Paths;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.twitter.heron.spi.utils.ShellUtils;

final class HeronReefUtils {
  private static final Logger LOG = Logger.getLogger(HeronReefUtils.class.getName());

  /**
   * This is a utility class and should not be instantiated.
   */
  private HeronReefUtils() {
  }

  static void extractPackageInSandbox(String srcFolder, String fileName, String dstDir) {
    String packagePath = Paths.get(srcFolder, fileName).toString();
    LOG.log(Level.INFO, "Extracting package: {0} at: {1}", new Object[]{packagePath, dstDir});
    boolean result = ShellUtils.extractPackage(packagePath, dstDir, false, true);
    if (!result) {
      String msg = "Failed to extract package:" + packagePath + " at: " + dstDir;
      throw new RuntimeException(msg);
    }
  }
}