Java tutorial
/** * Licensed to jclouds, Inc. (jclouds) under one or more * contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. jclouds 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.openstack.nova.v1_1.compute.config; import static org.jclouds.openstack.nova.v1_1.config.NovaProperties.AUTO_ALLOCATE_FLOATING_IPS; import static org.jclouds.openstack.nova.v1_1.config.NovaProperties.AUTO_GENERATE_KEYPAIRS; import static org.jclouds.openstack.nova.v1_1.config.NovaProperties.TIMEOUT_SECURITYGROUP_PRESENT; import java.util.Map; import java.util.Set; import java.util.concurrent.TimeUnit; import java.util.concurrent.atomic.AtomicReference; import javax.inject.Named; import javax.inject.Singleton; import org.jclouds.collect.Memoized; import org.jclouds.compute.ComputeService; import org.jclouds.compute.ComputeServiceAdapter; import org.jclouds.compute.ImageExtension; 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.OperatingSystem; import org.jclouds.compute.domain.OsFamily; import org.jclouds.compute.options.TemplateOptions; import org.jclouds.compute.strategy.impl.CreateNodesWithGroupEncodedIntoNameThenAddToSet; import org.jclouds.domain.Location; import org.jclouds.domain.LoginCredentials; import org.jclouds.functions.IdentityFunction; import org.jclouds.openstack.nova.v1_1.compute.NovaComputeService; import org.jclouds.openstack.nova.v1_1.compute.NovaComputeServiceAdapter; import org.jclouds.openstack.nova.v1_1.compute.NovaImageExtension; import org.jclouds.openstack.nova.v1_1.compute.functions.CreateSecurityGroupIfNeeded; import org.jclouds.openstack.nova.v1_1.compute.functions.FlavorInZoneToHardware; import org.jclouds.openstack.nova.v1_1.compute.functions.ImageInZoneToImage; import org.jclouds.openstack.nova.v1_1.compute.functions.ImageToOperatingSystem; import org.jclouds.openstack.nova.v1_1.compute.functions.OrphanedGroupsByZoneId; import org.jclouds.openstack.nova.v1_1.compute.functions.ServerInZoneToNodeMetadata; import org.jclouds.openstack.nova.v1_1.compute.loaders.CreateUniqueKeyPair; import org.jclouds.openstack.nova.v1_1.compute.loaders.FindSecurityGroupOrCreate; import org.jclouds.openstack.nova.v1_1.compute.loaders.LoadFloatingIpsForInstance; import org.jclouds.openstack.nova.v1_1.compute.options.NovaTemplateOptions; import org.jclouds.openstack.nova.v1_1.compute.strategy.ApplyNovaTemplateOptionsCreateNodesWithGroupEncodedIntoNameThenAddToSet; import org.jclouds.openstack.nova.v1_1.domain.KeyPair; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.FlavorInZone; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.ImageInZone; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.SecurityGroupInZone; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.ServerInZone; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.ZoneAndId; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.ZoneAndName; import org.jclouds.openstack.nova.v1_1.domain.zonescoped.ZoneSecurityGroupNameAndPorts; import org.jclouds.openstack.nova.v1_1.predicates.FindSecurityGroupWithNameAndReturnTrue; import org.jclouds.predicates.RetryablePredicate; import com.google.common.base.Function; import com.google.common.base.Optional; import com.google.common.base.Predicate; import com.google.common.base.Supplier; import com.google.common.base.Suppliers; 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.common.collect.Multimap; import com.google.inject.Injector; import com.google.inject.Key; import com.google.inject.Provides; import com.google.inject.TypeLiteral; import com.google.inject.name.Names; /** * Module for building a compute service context for Nova * * @author Matt Stephenson */ public class NovaComputeServiceContextModule extends ComputeServiceAdapterContextModule<ServerInZone, FlavorInZone, ImageInZone, Location> { @SuppressWarnings("unchecked") @Override protected void configure() { super.configure(); bind(new TypeLiteral<ComputeServiceAdapter<ServerInZone, FlavorInZone, ImageInZone, Location>>() { }).to(NovaComputeServiceAdapter.class); bind(ComputeService.class).to(NovaComputeService.class); bind(new TypeLiteral<Function<ServerInZone, NodeMetadata>>() { }).to(ServerInZoneToNodeMetadata.class); bind(new TypeLiteral<Function<Set<? extends NodeMetadata>, Multimap<String, String>>>() { }).to(OrphanedGroupsByZoneId.class); bind(new TypeLiteral<Function<ImageInZone, Image>>() { }).to(ImageInZoneToImage.class); bind(new TypeLiteral<Function<org.jclouds.openstack.nova.v1_1.domain.Image, OperatingSystem>>() { }).to(ImageToOperatingSystem.class); bind(new TypeLiteral<Function<FlavorInZone, Hardware>>() { }).to(FlavorInZoneToHardware.class); // we aren't converting location from a provider-specific type bind(new TypeLiteral<Function<Location, Location>>() { }).to((Class) IdentityFunction.class); bind(TemplateOptions.class).to(NovaTemplateOptions.class); bind(new TypeLiteral<CacheLoader<ZoneAndId, Iterable<String>>>() { }).annotatedWith(Names.named("FLOATINGIP")).to(LoadFloatingIpsForInstance.class); bind(new TypeLiteral<Function<ZoneSecurityGroupNameAndPorts, SecurityGroupInZone>>() { }).to(CreateSecurityGroupIfNeeded.class); bind(new TypeLiteral<CacheLoader<ZoneAndName, SecurityGroupInZone>>() { }).to(FindSecurityGroupOrCreate.class); bind(CreateNodesWithGroupEncodedIntoNameThenAddToSet.class) .to(ApplyNovaTemplateOptionsCreateNodesWithGroupEncodedIntoNameThenAddToSet.class); bind(new TypeLiteral<CacheLoader<ZoneAndName, KeyPair>>() { }).to(CreateUniqueKeyPair.class); bind(new TypeLiteral<ImageExtension>() { }).to(NovaImageExtension.class); } @Override protected TemplateOptions provideTemplateOptions(Injector injector, TemplateOptions options) { return options.as(NovaTemplateOptions.class) .autoAssignFloatingIp( injector.getInstance(Key.get(boolean.class, Names.named(AUTO_ALLOCATE_FLOATING_IPS)))) .generateKeyPair(injector.getInstance(Key.get(boolean.class, Names.named(AUTO_GENERATE_KEYPAIRS)))); } @Provides @Singleton @Named("FLOATINGIP") protected LoadingCache<ZoneAndId, Iterable<String>> instanceToFloatingIps( @Named("FLOATINGIP") CacheLoader<ZoneAndId, Iterable<String>> in) { return CacheBuilder.newBuilder().build(in); } @Provides @Singleton protected LoadingCache<ZoneAndName, SecurityGroupInZone> securityGroupMap( CacheLoader<ZoneAndName, SecurityGroupInZone> in) { return CacheBuilder.newBuilder().build(in); } @Override protected Map<OsFamily, LoginCredentials> osFamilyToCredentials(Injector injector) { return ImmutableMap.of(OsFamily.WINDOWS, LoginCredentials.builder().user("Administrator").build(), OsFamily.UBUNTU, LoginCredentials.builder().user("ubuntu").build()); } @Provides @Singleton @Named("SECURITY") protected Predicate<AtomicReference<ZoneAndName>> securityGroupEventualConsistencyDelay( FindSecurityGroupWithNameAndReturnTrue in, @Named(TIMEOUT_SECURITYGROUP_PRESENT) long msDelay) { return new RetryablePredicate<AtomicReference<ZoneAndName>>(in, msDelay, 100l, TimeUnit.MILLISECONDS); } @Provides @Singleton protected LoadingCache<ZoneAndName, KeyPair> keyPairMap(CacheLoader<ZoneAndName, KeyPair> in) { return CacheBuilder.newBuilder().build(in); } @Provides @Singleton protected Supplier<Map<String, Location>> createLocationIndexedById( @Memoized Supplier<Set<? extends Location>> locations) { return Suppliers.compose(new Function<Set<? extends Location>, Map<String, Location>>() { @SuppressWarnings("unchecked") @Override public Map<String, Location> apply(Set<? extends Location> arg0) { // TODO: find a nice way to get rid of this cast. Iterable<Location> locations = (Iterable<Location>) arg0; return Maps.uniqueIndex(locations, new Function<Location, String>() { @Override public String apply(Location arg0) { return arg0.getId(); } }); } }, locations); } @Override protected Optional<ImageExtension> provideImageExtension(Injector i) { return Optional.of(i.getInstance(ImageExtension.class)); } }