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Add MOE equivalence for 2018-09-14 sync

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=212996616
This commit is contained in:
mcilwain 2018-09-14 09:45:15 -07:00 • committed by Ben McIlwain
parent 3b62a51424
commit a483beef28
97 changed files with 1 additions and 1 deletions
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76
java/google/registry/proxy/HealthCheckProtocolModule.java
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// Copyright 2017 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.proxy;
import com.google.common.collect.ImmutableList;
import dagger.Module;
import dagger.Provides;
import dagger.multibindings.IntoSet;
import google.registry.proxy.Protocol.FrontendProtocol;
import google.registry.proxy.handler.HealthCheckHandler;
import io.netty.channel.ChannelHandler;
import io.netty.handler.codec.FixedLengthFrameDecoder;
import javax.inject.Provider;
import javax.inject.Qualifier;
import javax.inject.Singleton;
/**
* Module that provides a {@link FrontendProtocol} used for GCP load balancer health checking.
*
* <p>The load balancer sends health checking messages to the GCE instances to assess whether they
* are ready to receive traffic. No relay channel needs to be established for this protocol.
*/
@Module
public class HealthCheckProtocolModule {
/** Dagger qualifier to provide health check protocol related handlers and other bindings. */
@Qualifier
@interface HealthCheckProtocol {}
private static final String PROTOCOL_NAME = "health_check";
@Singleton
@Provides
@IntoSet
static FrontendProtocol provideProtocol(
@HealthCheckProtocol int healthCheckPort,
@HealthCheckProtocol ImmutableList<Provider<? extends ChannelHandler>> handlerProviders) {
return Protocol.frontendBuilder()
.name(PROTOCOL_NAME)
.port(healthCheckPort)
.hasBackend(false)
.handlerProviders(handlerProviders)
.build();
}
@Provides
@HealthCheckProtocol
static ImmutableList<Provider<? extends ChannelHandler>> provideHandlerProviders(
Provider<FixedLengthFrameDecoder> fixedLengthFrameDecoderProvider,
Provider<HealthCheckHandler> healthCheckHandlerProvider) {
return ImmutableList.of(fixedLengthFrameDecoderProvider, healthCheckHandlerProvider);
}
@Provides
static FixedLengthFrameDecoder provideFixedLengthFrameDecoder(ProxyConfig config) {
return new FixedLengthFrameDecoder(config.healthCheck.checkRequest.length());
}
@Provides
static HealthCheckHandler provideHealthCheckHandler(ProxyConfig config) {
return new HealthCheckHandler(
config.healthCheck.checkRequest, config.healthCheck.checkResponse);
}
}