google.registry.dns.writer.clouddns.CloudDnsWriterModule.java Source code

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Here is the source code for google.registry.dns.writer.clouddns.CloudDnsWriterModule.java

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// Copyright 2016 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.dns.writer.clouddns;

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.services.dns.Dns;
import com.google.api.services.dns.DnsScopes;
import com.google.common.base.Function;
import com.google.common.util.concurrent.RateLimiter;
import dagger.Module;
import dagger.Provides;
import dagger.multibindings.IntoMap;
import dagger.multibindings.IntoSet;
import dagger.multibindings.StringKey;
import google.registry.config.RegistryConfig.Config;
import google.registry.dns.writer.DnsWriter;
import java.util.Set;
import javax.inject.Named;

/** Dagger module for Google Cloud DNS service connection objects. */
@Module
public final class CloudDnsWriterModule {

    @Provides
    static Dns provideDns(HttpTransport transport, JsonFactory jsonFactory,
            Function<Set<String>, ? extends HttpRequestInitializer> credential,
            @Config("projectId") String projectId) {
        return new Dns.Builder(transport, jsonFactory, credential.apply(DnsScopes.all()))
                .setApplicationName(projectId).build();
    }

    @Provides
    @IntoMap
    @StringKey(CloudDnsWriter.NAME)
    static DnsWriter provideWriter(CloudDnsWriter writer) {
        return writer;
    }

    @Provides
    @IntoSet
    @Named("dnsWriterNames")
    static String provideWriterName() {
        return CloudDnsWriter.NAME;
    }

    @Provides
    @Named("cloudDns")
    static RateLimiter provideRateLimiter() {
        // This is the default max QPS for Cloud DNS. It can be increased by contacting the team
        // via the Quotas page on the Cloud Console.
        int cloudDnsMaxQps = 20;
        return RateLimiter.create(cloudDnsMaxQps);
    }
}