LocalSchedulerMain.java

/**
 * 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 javax.inject.Singleton;

import com.google.common.base.Optional;
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.TypeLiteral;
import com.google.inject.util.Modules;

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.mesos.DriverFactory;
import org.apache.aurora.scheduler.mesos.DriverSettings;
import org.apache.aurora.scheduler.mesos.FrameworkInfoFactory;
import org.apache.aurora.scheduler.storage.DistributedSnapshotStore;
import org.apache.aurora.scheduler.storage.Storage;
import org.apache.aurora.scheduler.storage.Storage.NonVolatileStorage;
import org.apache.aurora.scheduler.storage.log.SnapshotStoreImpl;
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.absent());

  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")
        .add("-enable_h2_console=true")
        .build();
    SchedulerMain.applyStaticArgumentValues(arguments.toArray(new String[] {}));

    Module persistentStorage = new AbstractModule() {
      @Override
      protected void configure() {
        bind(new TypeLiteral<Boolean>() { })
            .annotatedWith(SnapshotStoreImpl.ExperimentalTaskStore.class)
            .toInstance(false);
        bind(Storage.class).to(Key.get(Storage.class, Storage.Volatile.class));
        bind(NonVolatileStorage.class).to(FakeNonVolatileStorage.class);
        bind(DistributedSnapshotStore.class).toInstance(snapshot -> { });
      }
    };

    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(
        Modules.combine(fakeMesos, persistentStorage, new TierModule()));
  }
}