/*
* 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.googlecomputeengine.config;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.Suppliers.compose;
import static com.google.inject.name.Names.named;
import static org.jclouds.Constants.PROPERTY_SESSION_INTERVAL;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.domain.Credentials;
import org.jclouds.googlecomputeengine.GoogleComputeEngineApi;
import org.jclouds.googlecomputeengine.domain.Operation;
import org.jclouds.googlecomputeengine.domain.Project;
import org.jclouds.googlecomputeengine.domain.SlashEncodedIds;
import org.jclouds.googlecomputeengine.handlers.GoogleComputeEngineErrorHandler;
import org.jclouds.googlecomputeengine.predicates.GlobalOperationDonePredicate;
import org.jclouds.googlecomputeengine.predicates.ZoneOperationDonePredicate;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.Uris;
import org.jclouds.http.annotation.ClientError;
import org.jclouds.http.annotation.Redirection;
import org.jclouds.http.annotation.ServerError;
import org.jclouds.json.config.GsonModule.DateAdapter;
import org.jclouds.json.config.GsonModule.Iso8601DateAdapter;
import org.jclouds.location.Provider;
import org.jclouds.location.suppliers.ImplicitLocationSupplier;
import org.jclouds.location.suppliers.implicit.FirstZone;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.ConfiguresHttpApi;
import org.jclouds.rest.config.HttpApiModule;
import org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.base.Supplier;
import com.google.common.collect.Iterables;
import com.google.inject.Provides;
import com.google.inject.Scopes;
import com.google.inject.TypeLiteral;
/**
* Configures the GoogleCompute connection.
*
* @author David Alves
*/
@ConfiguresHttpApi
public class GoogleComputeEngineHttpApiModule extends HttpApiModule<GoogleComputeEngineApi> {
public GoogleComputeEngineHttpApiModule() {
}
@Override
protected void configure() {
bind(DateAdapter.class).to(Iso8601DateAdapter.class);
bind(new TypeLiteral<Predicate<AtomicReference<Operation>>>() {
}).annotatedWith(named("global")).to(GlobalOperationDonePredicate.class);
bind(new TypeLiteral<Predicate<AtomicReference<Operation>>>() {
}).annotatedWith(named("zone")).to(ZoneOperationDonePredicate.class);
bind(ImplicitLocationSupplier.class).to(FirstZone.class).in(Scopes.SINGLETON);
super.configure();
}
@Override
protected void bindErrorHandlers() {
bind(HttpErrorHandler.class).annotatedWith(Redirection.class).to(GoogleComputeEngineErrorHandler.class);
bind(HttpErrorHandler.class).annotatedWith(ClientError.class).to(GoogleComputeEngineErrorHandler.class);
bind(HttpErrorHandler.class).annotatedWith(ServerError.class).to(GoogleComputeEngineErrorHandler.class);
}
@Provides
@Singleton
@UserProject
public Supplier<String> supplyProject(@Provider final Supplier<Credentials> creds,
final GoogleComputeEngineApi api,
AtomicReference<AuthorizationException> authException,
@Named(PROPERTY_SESSION_INTERVAL) long seconds) {
return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException,
compose(new Function<Credentials, String>() {
public String apply(Credentials in) {
checkState(in.identity.indexOf("@") != 1,
"identity should be in project_id@developer.gserviceaccount.com format");
Project project = api.getProjectApi().get(Iterables.get(Splitter.on("@").split(in.identity), 0));
return project.getName();
}
}, creds), seconds, TimeUnit.SECONDS);
}
@Provides
@Singleton
@Named("machineTypeToURI")
public Function<String, URI> provideMachineTypeNameToURIFunction(final @Provider Supplier<URI> endpoint,
final @UserProject Supplier<String> userProject) {
return new Function<String, URI>() {
@Override
public URI apply(String input) {
SlashEncodedIds slashEncodedIds = SlashEncodedIds.fromSlashEncoded(input);
return Uris.uriBuilder(endpoint.get()).appendPath("/projects/").appendPath(userProject.get())
.appendPath("/zones/").appendPath(slashEncodedIds.getFirstId())
.appendPath("/machineTypes/").appendPath(slashEncodedIds.getSecondId()).build();
}
};
}
@Provides
@Singleton
@Named("networkToURI")
public Function<String, URI> provideNetworkNameToURIFunction(final @Provider Supplier<URI> endpoint,
final @UserProject Supplier<String> userProject) {
return new Function<String, URI>() {
@Override
public URI apply(String input) {
return Uris.uriBuilder(endpoint.get()).appendPath("/projects/").appendPath(userProject.get())
.appendPath("/global/networks/").appendPath(input).build();
}
};
}
@Provides
@Singleton
@Named("zoneToURI")
public Function<String, URI> provideZoneNameToURIFunction(final @Provider Supplier<URI> endpoint,
final @UserProject Supplier<String> userProject) {
return new Function<String, URI>() {
@Override
public URI apply(String input) {
return Uris.uriBuilder(endpoint.get()).appendPath("/projects/").appendPath(userProject.get())
.appendPath("/zones/").appendPath(input).build();
}
};
}
}