content: /**
   * 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 org.apache.aurora.scheduler.app.local;
  
  import java.io.File;
  import java.util.List;
  import java.util.Optional;
  
  import javax.inject.Singleton;
  
  import com.google.common.collect.ImmutableList;
  import com.google.common.io.Files;
  import com.google.inject.AbstractModule;
  import com.google.inject.Key;
  import com.google.inject.Module;
  import com.google.inject.util.Modules;
  
  import org.apache.aurora.gen.storage.Snapshot;
  import org.apache.aurora.scheduler.TierModule;
  import org.apache.aurora.scheduler.app.SchedulerMain;
  import org.apache.aurora.scheduler.app.local.simulator.ClusterSimulatorModule;
  import org.apache.aurora.scheduler.config.CliOptions;
  import org.apache.aurora.scheduler.config.CommandLine;
  import org.apache.aurora.scheduler.mesos.DriverFactory;
  import org.apache.aurora.scheduler.mesos.DriverSettings;
  import org.apache.aurora.scheduler.mesos.FrameworkInfoFactory;
  import org.apache.aurora.scheduler.storage.SnapshotStore;
  import org.apache.aurora.scheduler.storage.Storage;
  import org.apache.aurora.scheduler.storage.Storage.NonVolatileStorage;
  import org.apache.mesos.SchedulerDriver;
  import org.apache.mesos.v1.Protos;
  import org.apache.shiro.io.ResourceUtils;
  
  /**
   * A main class that runs the scheduler in local mode, using fakes for external components.
   */
  public final class LocalSchedulerMain {
    private LocalSchedulerMain() {
      // Utility class.
    }
  
    private static final Protos.FrameworkInfo BASE_FRAMEWORK_INFO = Protos.FrameworkInfo.newBuilder()
            .setUser("framework user")
            .setName("test framework")
            .build();
    private static final DriverSettings DRIVER_SETTINGS = new DriverSettings(
        "fakemaster",
        Optional.empty());
  
    public static void main(String[] args) {
      File backupDir = Files.createTempDir();
      backupDir.deleteOnExit();
      List<String> arguments = ImmutableList.<String>builder()
          .add(args)
          .add("-cluster_name=local")
          .add("-serverset_path=/aurora/local/scheduler")
          .add("-zk_endpoints=localhost:2181")
          .add("-zk_in_proc=true")
          .add("-backup_dir=" + backupDir.getAbsolutePath())
          .add("-mesos_master_address=fake")
          .add("-thermos_executor_path=fake")
          .add("-http_port=8081")
          .add("-http_authentication_mechanism=BASIC")
          .add("-shiro_ini_path="
              + ResourceUtils.CLASSPATH_PREFIX
              + "org/apache/aurora/scheduler/http/api/security/shiro-example.ini")
          .build();
      CliOptions options = CommandLine.parseOptions(arguments.toArray(new String[] {}));
  
      Module persistentStorage = new AbstractModule() {
        @Override
        protected void configure() {
          bind(Storage.class).to(Key.get(Storage.class, Storage.Volatile.class));
          bind(NonVolatileStorage.class).to(FakeNonVolatileStorage.class);
          bind(SnapshotStore.class).toInstance(new SnapshotStore() {
            @Override
            public void snapshot() throws Storage.StorageException {
              // no-op
            }
  
            @Override
            public void snapshotWith(Snapshot snapshot) {
              // no-op
            }
          });
        }
      };
  
      Module fakeMesos = new AbstractModule() {
        @Override
        protected void configure() {
          bind(DriverSettings.class).toInstance(DRIVER_SETTINGS);
          bind(SchedulerDriver.class).to(FakeMaster.class);
          bind(DriverFactory.class).to(FakeMaster.class);
          bind(FakeMaster.class).in(Singleton.class);
          bind(Protos.FrameworkInfo.class)
              .annotatedWith(FrameworkInfoFactory.FrameworkInfoFactoryImpl.BaseFrameworkInfo.class)
              .toInstance(BASE_FRAMEWORK_INFO);
          bind(FrameworkInfoFactory.class).to(FrameworkInfoFactory.FrameworkInfoFactoryImpl.class);
          bind(FrameworkInfoFactory.FrameworkInfoFactoryImpl.class).in(Singleton.class);
          install(new ClusterSimulatorModule());
        }
      };
  
      SchedulerMain.flagConfiguredMain(
          options,
          Modules.combine(fakeMesos, persistentStorage, new TierModule(options.tiers)));
    }
  }
  