| /* |
| * 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.jclouds.elasticstack.compute.config; |
| |
| import static com.google.common.base.Suppliers.memoizeWithExpiration; |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static org.jclouds.Constants.PROPERTY_SESSION_INTERVAL; |
| import static org.jclouds.util.Predicates2.retry; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.collect.Memoized; |
| import org.jclouds.compute.ComputeServiceAdapter; |
| import org.jclouds.compute.config.ComputeServiceAdapterContextModule; |
| import org.jclouds.compute.domain.Hardware; |
| import org.jclouds.compute.domain.Image; |
| import org.jclouds.compute.domain.NodeMetadata; |
| import org.jclouds.compute.domain.Volume; |
| import org.jclouds.compute.reference.ComputeServiceConstants.Timeouts; |
| import org.jclouds.domain.Location; |
| import org.jclouds.elasticstack.ElasticStackApi; |
| import org.jclouds.elasticstack.compute.ElasticStackComputeServiceAdapter; |
| import org.jclouds.elasticstack.compute.functions.ServerInfoToNodeMetadata; |
| import org.jclouds.elasticstack.compute.functions.ServerInfoToNodeMetadata.DeviceToVolume; |
| import org.jclouds.elasticstack.compute.functions.ServerInfoToNodeMetadata.GetImageIdFromServer; |
| import org.jclouds.elasticstack.compute.functions.StandardDriveToWellKnownImage; |
| import org.jclouds.elasticstack.compute.functions.WellKnownImageToImage; |
| import org.jclouds.elasticstack.domain.Device; |
| import org.jclouds.elasticstack.domain.DriveInfo; |
| import org.jclouds.elasticstack.domain.Server; |
| import org.jclouds.elasticstack.domain.ServerInfo; |
| import org.jclouds.elasticstack.domain.StandardDrive; |
| import org.jclouds.elasticstack.domain.WellKnownImage; |
| import org.jclouds.elasticstack.predicates.DriveClaimed; |
| import org.jclouds.elasticstack.suppliers.WellKnownImageSupplier; |
| import org.jclouds.functions.IdentityFunction; |
| import org.jclouds.rest.AuthorizationException; |
| import org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.base.Supplier; |
| import com.google.common.cache.CacheBuilder; |
| import com.google.common.cache.CacheLoader; |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.Maps; |
| import com.google.inject.Provides; |
| import com.google.inject.TypeLiteral; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| public class ElasticStackComputeServiceContextModule extends |
| ComputeServiceAdapterContextModule<ServerInfo, Hardware, DriveInfo, Location> { |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected void configure() { |
| super.configure(); |
| bind(new TypeLiteral<ComputeServiceAdapter<ServerInfo, Hardware, DriveInfo, Location>>() { |
| }).to(ElasticStackComputeServiceAdapter.class); |
| bind(new TypeLiteral<Function<ServerInfo, NodeMetadata>>() { |
| }).to(ServerInfoToNodeMetadata.class); |
| bind(new TypeLiteral<Function<Image, Image>>() { |
| }).to(Class.class.cast(IdentityFunction.class)); |
| bind(new TypeLiteral<Function<Hardware, Hardware>>() { |
| }).to(Class.class.cast(IdentityFunction.class)); |
| bind(new TypeLiteral<Function<Location, Location>>() { |
| }).to(Class.class.cast(IdentityFunction.class)); |
| bind(new TypeLiteral<Function<Device, Volume>>() { |
| }).to(DeviceToVolume.class); |
| bind(new TypeLiteral<Function<Server, String>>() { |
| }).to(GetImageIdFromServer.class); |
| bind(new TypeLiteral<Function<DriveInfo, Image>>() { |
| }).to(WellKnownImageToImage.class); |
| bind(new TypeLiteral<Function<StandardDrive, WellKnownImage>>() { |
| }).to(StandardDriveToWellKnownImage.class); |
| bind(new TypeLiteral<Supplier<List<WellKnownImage>>>() { |
| }).to(WellKnownImageSupplier.class); |
| } |
| |
| @Provides |
| @Singleton |
| protected LoadingCache<String, DriveInfo> cache(GetDrive getDrive) { |
| return CacheBuilder.newBuilder().build(getDrive); |
| } |
| |
| @Singleton |
| public static class GetDrive extends CacheLoader<String, DriveInfo> { |
| private final ElasticStackApi client; |
| |
| @Inject |
| public GetDrive(ElasticStackApi client) { |
| this.client = client; |
| } |
| |
| @Override |
| public DriveInfo load(String input) { |
| return client.getDriveInfo(input); |
| } |
| } |
| |
| @Singleton |
| @Provides |
| @Memoized |
| protected Supplier<Map<String, WellKnownImage>> provideImages(@Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| @Memoized final Supplier<List<WellKnownImage>> wellKnownImageSupplier) throws IOException { |
| // The image map won't change. Memoize it during the session. |
| // This map can't be created directly as a singleton, as Guice needs it to construct the ElasticStackComputeServiceAdapter |
| // and a misconfiguration such as invalid credentials, etc would cause the Guice injection to fail |
| return memoizeWithExpiration(new Supplier<Map<String, WellKnownImage>>() { |
| @Override |
| public Map<String, WellKnownImage> get() { |
| return Maps.uniqueIndex(wellKnownImageSupplier.get(), new Function<WellKnownImage, String>() { |
| @Override |
| public String apply(WellKnownImage input) { |
| return input.getUuid(); |
| } |
| }); |
| } |
| }, seconds, TimeUnit.SECONDS); |
| } |
| |
| @Singleton |
| @Provides |
| @Memoized |
| protected Supplier<List<WellKnownImage>> provideWellKnownImageSupplier(AtomicReference<AuthorizationException> authException, |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, WellKnownImageSupplier uncached) |
| throws IOException { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, uncached, seconds, |
| TimeUnit.SECONDS); |
| } |
| |
| @Provides |
| @Singleton |
| protected Predicate<DriveInfo> supplyDriveUnclaimed(DriveClaimed driveClaimed, Timeouts timeouts) { |
| return retry(Predicates.not(driveClaimed), timeouts.nodeRunning, 1000, MILLISECONDS); |
| } |
| } |