mirror of
https://github.com/google/nomulus.git
synced 2025-05-01 12:37:52 +02:00
3fc7271145
1. Moved code for the GCP proxy to where the [] proxy code used to live. 3. Corrected reference to the GCP proxy location. 4. Misc changes to make ErrorProne and various tools happy. +diekmann to LGTM terraform whitelist change. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=213630560
76 lines
2.7 KiB
Java
76 lines
2.7 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.proxy;
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import com.google.common.collect.ImmutableList;
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import dagger.Module;
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import dagger.Provides;
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import dagger.multibindings.IntoSet;
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import google.registry.proxy.Protocol.FrontendProtocol;
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import google.registry.proxy.handler.HealthCheckHandler;
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import io.netty.channel.ChannelHandler;
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import io.netty.handler.codec.FixedLengthFrameDecoder;
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import javax.inject.Provider;
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import javax.inject.Qualifier;
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import javax.inject.Singleton;
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/**
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* Module that provides a {@link FrontendProtocol} used for GCP load balancer health checking.
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*
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* <p>The load balancer sends health checking messages to the GCE instances to assess whether they
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* are ready to receive traffic. No relay channel needs to be established for this protocol.
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*/
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@Module
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public class HealthCheckProtocolModule {
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/** Dagger qualifier to provide health check protocol related handlers and other bindings. */
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@Qualifier
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@interface HealthCheckProtocol {}
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private static final String PROTOCOL_NAME = "health_check";
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@Singleton
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@Provides
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@IntoSet
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static FrontendProtocol provideProtocol(
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@HealthCheckProtocol int healthCheckPort,
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@HealthCheckProtocol ImmutableList<Provider<? extends ChannelHandler>> handlerProviders) {
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return Protocol.frontendBuilder()
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.name(PROTOCOL_NAME)
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.port(healthCheckPort)
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.hasBackend(false)
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.handlerProviders(handlerProviders)
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.build();
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}
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@Provides
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@HealthCheckProtocol
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static ImmutableList<Provider<? extends ChannelHandler>> provideHandlerProviders(
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Provider<FixedLengthFrameDecoder> fixedLengthFrameDecoderProvider,
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Provider<HealthCheckHandler> healthCheckHandlerProvider) {
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return ImmutableList.of(fixedLengthFrameDecoderProvider, healthCheckHandlerProvider);
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}
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@Provides
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static FixedLengthFrameDecoder provideFixedLengthFrameDecoder(ProxyConfig config) {
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return new FixedLengthFrameDecoder(config.healthCheck.checkRequest.length());
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}
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@Provides
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static HealthCheckHandler provideHealthCheckHandler(ProxyConfig config) {
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return new HealthCheckHandler(
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config.healthCheck.checkRequest, config.healthCheck.checkResponse);
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}
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}
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