Java tutorial
/* * 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.ec2.compute.config; import static java.util.concurrent.TimeUnit.MILLISECONDS; import static org.jclouds.ec2.reference.EC2Constants.PROPERTY_EC2_TIMEOUT_SECURITYGROUP_PRESENT; import static org.jclouds.util.Predicates2.retry; import java.util.Map; import java.util.concurrent.ConcurrentMap; import javax.inject.Named; import javax.inject.Singleton; import org.jclouds.compute.ComputeService; import org.jclouds.compute.domain.Image; import org.jclouds.compute.domain.NodeMetadata; import org.jclouds.compute.domain.NodeMetadata.Status; import org.jclouds.compute.domain.SecurityGroup; import org.jclouds.compute.domain.TemplateBuilder; import org.jclouds.compute.extensions.ImageExtension; import org.jclouds.compute.extensions.SecurityGroupExtension; import org.jclouds.compute.options.TemplateOptions; import org.jclouds.domain.LoginCredentials; import org.jclouds.ec2.compute.EC2ComputeService; import org.jclouds.ec2.compute.domain.PasswordDataAndPrivateKey; import org.jclouds.ec2.compute.domain.RegionAndName; import org.jclouds.ec2.compute.extensions.EC2ImageExtension; import org.jclouds.ec2.compute.extensions.EC2SecurityGroupExtension; import org.jclouds.ec2.compute.functions.AddElasticIpsToNodemetadata; import org.jclouds.ec2.compute.functions.CreateUniqueKeyPair; import org.jclouds.ec2.compute.functions.CredentialsForInstance; import org.jclouds.ec2.compute.functions.EC2ImageParser; import org.jclouds.ec2.compute.functions.EC2SecurityGroupIdFromName; import org.jclouds.ec2.compute.functions.EC2SecurityGroupToSecurityGroup; import org.jclouds.ec2.compute.functions.PasswordCredentialsFromWindowsInstance; import org.jclouds.ec2.compute.functions.RunningInstanceToNodeMetadata; import org.jclouds.ec2.compute.functions.WindowsLoginCredentialsFromEncryptedData; import org.jclouds.ec2.compute.internal.EC2TemplateBuilderImpl; import org.jclouds.ec2.compute.loaders.CreateSecurityGroupIfNeeded; import org.jclouds.ec2.compute.loaders.LoadPublicIpForInstanceOrNull; import org.jclouds.ec2.compute.loaders.RegionAndIdToImage; import org.jclouds.ec2.compute.options.EC2TemplateOptions; import org.jclouds.ec2.compute.predicates.SecurityGroupPresent; import org.jclouds.ec2.domain.Image.ImageState; import org.jclouds.ec2.domain.InstanceState; import org.jclouds.ec2.domain.KeyPair; import org.jclouds.ec2.domain.RunningInstance; import org.jclouds.ec2.reference.EC2Constants; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Function; import com.google.common.base.Functions; import com.google.common.base.Optional; import com.google.common.base.Predicate; import com.google.common.cache.CacheBuilder; import com.google.common.cache.CacheLoader; import com.google.common.cache.LoadingCache; import com.google.common.collect.ImmutableMap; import com.google.common.collect.Maps; import com.google.inject.AbstractModule; import com.google.inject.Injector; import com.google.inject.Provides; import com.google.inject.TypeLiteral; import com.google.inject.name.Names; /** * * @author Adrian Cole */ public class EC2ComputeServiceDependenciesModule extends AbstractModule { public static final Map<InstanceState, Status> toPortableNodeStatus = ImmutableMap .<InstanceState, Status>builder().put(InstanceState.PENDING, Status.PENDING) .put(InstanceState.RUNNING, Status.RUNNING).put(InstanceState.SHUTTING_DOWN, Status.PENDING) .put(InstanceState.TERMINATED, Status.TERMINATED).put(InstanceState.STOPPING, Status.PENDING) .put(InstanceState.STOPPED, Status.SUSPENDED).put(InstanceState.UNRECOGNIZED, Status.UNRECOGNIZED) .build(); @Singleton @Provides protected Map<InstanceState, NodeMetadata.Status> toPortableNodeStatus() { return toPortableNodeStatus; } @VisibleForTesting public static final Map<ImageState, Image.Status> toPortableImageStatus = ImmutableMap.<ImageState, Image.Status>builder() .put(ImageState.AVAILABLE, Image.Status.AVAILABLE).put(ImageState.DEREGISTERED, Image.Status.DELETED) .put(ImageState.UNRECOGNIZED, Image.Status.UNRECOGNIZED).build(); @Singleton @Provides protected Map<ImageState, Image.Status> toPortableImageStatus() { return toPortableImageStatus; } @Override protected void configure() { bind(TemplateBuilder.class).to(EC2TemplateBuilderImpl.class); bind(TemplateOptions.class).to(EC2TemplateOptions.class); bind(ComputeService.class).to(EC2ComputeService.class); bind(new TypeLiteral<CacheLoader<RunningInstance, Optional<LoginCredentials>>>() { }).to(CredentialsForInstance.class); bind(new TypeLiteral<Function<RegionAndName, KeyPair>>() { }).to(CreateUniqueKeyPair.class); bind(new TypeLiteral<CacheLoader<RegionAndName, Image>>() { }).to(RegionAndIdToImage.class); bind(new TypeLiteral<CacheLoader<RegionAndName, String>>() { }).annotatedWith(Names.named("SECURITY")).to(CreateSecurityGroupIfNeeded.class); bind(new TypeLiteral<CacheLoader<RegionAndName, String>>() { }).annotatedWith(Names.named("ELASTICIP")).to(LoadPublicIpForInstanceOrNull.class); bind(new TypeLiteral<Function<String, String>>() { }).annotatedWith(Names.named("SECGROUP_NAME_TO_ID")).to(EC2SecurityGroupIdFromName.class); bind(new TypeLiteral<Function<PasswordDataAndPrivateKey, LoginCredentials>>() { }).to(WindowsLoginCredentialsFromEncryptedData.class); bind(new TypeLiteral<Function<RunningInstance, LoginCredentials>>() { }).to(PasswordCredentialsFromWindowsInstance.class); bind(new TypeLiteral<Function<org.jclouds.ec2.domain.Image, Image>>() { }).to(EC2ImageParser.class); bind(new TypeLiteral<Function<org.jclouds.ec2.domain.SecurityGroup, SecurityGroup>>() { }).to(EC2SecurityGroupToSecurityGroup.class); bind(new TypeLiteral<ImageExtension>() { }).to(EC2ImageExtension.class); bind(new TypeLiteral<SecurityGroupExtension>() { }).to(EC2SecurityGroupExtension.class); } /** * only add the overhead of looking up ips when we have enabled the auto-allocate functionality */ @Provides @Singleton public Function<RunningInstance, NodeMetadata> bindNodeConverter(RunningInstanceToNodeMetadata baseConverter, AddElasticIpsToNodemetadata addElasticIpsToNodemetadata, @Named(EC2Constants.PROPERTY_EC2_AUTO_ALLOCATE_ELASTIC_IPS) boolean autoAllocateElasticIps) { if (!autoAllocateElasticIps) return baseConverter; return Functions.compose(addElasticIpsToNodemetadata, baseConverter); } @Provides @Singleton protected LoadingCache<RunningInstance, Optional<LoginCredentials>> credentialsMap( CacheLoader<RunningInstance, Optional<LoginCredentials>> in) { return CacheBuilder.newBuilder().build(in); } @Provides @Singleton protected ConcurrentMap<RegionAndName, KeyPair> keypairMap(Injector i) { return Maps.newConcurrentMap(); } @Provides @Singleton @Named("SECURITY") protected LoadingCache<RegionAndName, String> securityGroupMap( @Named("SECURITY") CacheLoader<RegionAndName, String> in) { return CacheBuilder.newBuilder().build(in); } @Provides @Singleton @Named("ELASTICIP") protected LoadingCache<RegionAndName, String> instanceToElasticIp( @Named("ELASTICIP") CacheLoader<RegionAndName, String> in) { return CacheBuilder.newBuilder().build(in); } @Provides @Singleton @Named("SECURITY") protected Predicate<RegionAndName> securityGroupEventualConsistencyDelay(SecurityGroupPresent in, @Named(PROPERTY_EC2_TIMEOUT_SECURITYGROUP_PRESENT) long msDelay) { return retry(in, msDelay, 100l, MILLISECONDS); } }