refactor:move loadbalancer to discovery module. (#846)
Haotian Zhang
1 year ago
committed by
GitHub
parent
8c7ff567b6
commit
4ec8caa281
@ -0,0 +1,55 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
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*
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||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* 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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* https://opensource.org/licenses/BSD-3-Clause
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||||
*
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* Unless required by applicable law or agreed to in writing, software distributed
|
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* 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
|
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* specific language governing permissions and limitations under the License.
|
||||
*/
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package com.tencent.cloud.polaris.loadbalancer;
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import com.tencent.cloud.polaris.context.ConditionalOnPolarisEnabled;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.cloud.client.ConditionalOnDiscoveryEnabled;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.env.Environment;
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/**
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* Configuration of loadbalancer client.
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*
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* @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
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*/
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@Configuration(proxyBeanMethods = false)
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@ConditionalOnPolarisEnabled
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@ConditionalOnDiscoveryEnabled
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public class PolarisLoadBalancerClientConfiguration {
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private final static String STRATEGY_WEIGHT = "polarisWeighted";
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@Bean
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@ConditionalOnMissingBean
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@ConditionalOnProperty(value = "spring.cloud.polaris.loadbalancer.strategy", havingValue = STRATEGY_WEIGHT)
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public ReactorLoadBalancer<ServiceInstance> polarisLoadBalancer(Environment environment,
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LoadBalancerClientFactory loadBalancerClientFactory, RouterAPI routerAPI) {
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String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
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return new PolarisLoadBalancer(name,
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loadBalancerClientFactory.getLazyProvider(name, ServiceInstanceListSupplier.class), routerAPI);
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}
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}
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@ -1,14 +0,0 @@
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ESAPI.printProperties=true
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ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
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ESAPI.Logger=org.owasp.esapi.logging.slf4j.Slf4JLogFactory
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Encoder.AllowMultipleEncoding=false
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Encoder.AllowMixedEncoding=false
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Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
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Logger.LogEncodingRequired=false
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Logger.UserInfo=false
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Logger.ClientInfo=false
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Logger.ApplicationName=ExampleApplication
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Logger.LogApplicationName=false
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Logger.LogServerIP=false
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@ -1,14 +0,0 @@
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ESAPI.printProperties=true
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ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
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ESAPI.Logger=org.owasp.esapi.logging.slf4j.Slf4JLogFactory
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Encoder.AllowMultipleEncoding=false
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Encoder.AllowMixedEncoding=false
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Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
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Logger.LogEncodingRequired=false
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Logger.UserInfo=false
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Logger.ClientInfo=false
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Logger.ApplicationName=ExampleApplication
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Logger.LogApplicationName=false
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Logger.LogServerIP=false
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@ -1,14 +0,0 @@
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ESAPI.printProperties=true
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ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
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ESAPI.Logger=org.owasp.esapi.logging.slf4j.Slf4JLogFactory
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Encoder.AllowMultipleEncoding=false
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Encoder.AllowMixedEncoding=false
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Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
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Logger.LogEncodingRequired=false
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Logger.UserInfo=false
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Logger.ClientInfo=false
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Logger.ApplicationName=ExampleApplication
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Logger.LogApplicationName=false
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Logger.LogServerIP=false
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@ -1,14 +0,0 @@
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ESAPI.printProperties=true
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ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
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ESAPI.Logger=org.owasp.esapi.logging.slf4j.Slf4JLogFactory
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Encoder.AllowMultipleEncoding=false
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Encoder.AllowMixedEncoding=false
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Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
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Logger.LogEncodingRequired=false
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Logger.UserInfo=false
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Logger.ClientInfo=false
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Logger.ApplicationName=ExampleApplication
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Logger.LogApplicationName=false
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Logger.LogServerIP=false
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@ -1,14 +0,0 @@
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ESAPI.printProperties=true
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ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
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ESAPI.Logger=org.owasp.esapi.logging.slf4j.Slf4JLogFactory
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Encoder.AllowMultipleEncoding=false
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Encoder.AllowMixedEncoding=false
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Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
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Logger.LogEncodingRequired=false
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Logger.UserInfo=false
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Logger.ClientInfo=false
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Logger.ApplicationName=ExampleApplication
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Logger.LogApplicationName=false
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Logger.LogServerIP=false
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@ -1,72 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-cloud-tencent</artifactId>
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<groupId>com.tencent.cloud</groupId>
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<version>${revision}</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-cloud-tencent-polaris-loadbalancer</artifactId>
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<name>Spring Cloud Tencent Polaris LoadBalancer</name>
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<dependencies>
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<!-- Spring Cloud Tencent dependencies start -->
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<dependency>
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<groupId>com.tencent.cloud</groupId>
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<artifactId>spring-cloud-tencent-polaris-context</artifactId>
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</dependency>
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<!-- Spring Cloud Tencent dependencies end -->
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<!-- Polaris dependencies start -->
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<dependency>
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<groupId>com.tencent.polaris</groupId>
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<artifactId>polaris-router-factory</artifactId>
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</dependency>
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<dependency>
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<groupId>com.tencent.polaris</groupId>
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<artifactId>polaris-discovery-api</artifactId>
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</dependency>
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<dependency>
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<groupId>com.tencent.polaris</groupId>
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<artifactId>polaris-test-common</artifactId>
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<scope>test</scope>
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</dependency>
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<!-- Polaris dependencies end -->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-loadbalancer</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-inline</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>net.bytebuddy</groupId>
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<artifactId>byte-buddy</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>
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@ -1,81 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (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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* https://opensource.org/licenses/BSD-3-Clause
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||||
*
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* Unless required by applicable law or agreed to in writing, software distributed
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* 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
|
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* specific language governing permissions and limitations under the License.
|
||||
*/
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package com.tencent.cloud.polaris.loadbalancer;
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import java.util.ArrayList;
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import java.util.List;
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import com.tencent.cloud.common.metadata.MetadataContext;
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import com.tencent.cloud.common.pojo.PolarisServiceInstance;
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import com.tencent.polaris.api.pojo.DefaultInstance;
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import org.apache.commons.lang.StringUtils;
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import reactor.core.publisher.Flux;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.loadbalancer.Request;
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import org.springframework.cloud.loadbalancer.core.DelegatingServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.util.CollectionUtils;
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/**
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* Service instance list supplier of Polaris.
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*
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* @author Haotian Zhang
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*/
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public class PolarisServiceInstanceListSupplier extends DelegatingServiceInstanceListSupplier {
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public PolarisServiceInstanceListSupplier(ServiceInstanceListSupplier delegate) {
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super(delegate);
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}
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@Override
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public Flux<List<ServiceInstance>> get() {
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return getDelegate().get().map(this::chooseInstances);
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}
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@Override
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public Flux<List<ServiceInstance>> get(Request request) {
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return super.get(request);
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}
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public List<ServiceInstance> chooseInstances(List<ServiceInstance> allServers) {
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if (CollectionUtils.isEmpty(allServers)) {
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return allServers;
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}
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String serviceName = allServers.get(0).getServiceId();
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if (StringUtils.isBlank(serviceName)) {
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throw new IllegalStateException(
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"PolarisRoutingLoadBalancer only Server with AppName or ServiceIdForDiscovery attribute");
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}
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List<ServiceInstance> serviceInstances = new ArrayList<>(allServers.size());
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for (ServiceInstance server : allServers) {
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DefaultInstance instance = new DefaultInstance();
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instance.setNamespace(MetadataContext.LOCAL_NAMESPACE);
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instance.setService(serviceName);
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instance.setProtocol(server.getScheme());
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instance.setId(server.getInstanceId());
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instance.setHost(server.getHost());
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instance.setPort(server.getPort());
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instance.setWeight(100);
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instance.setMetadata(server.getMetadata());
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serviceInstances.add(new PolarisServiceInstance(instance));
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}
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return serviceInstances;
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}
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}
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@ -1,104 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
|
||||
*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
||||
*
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* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
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* https://opensource.org/licenses/BSD-3-Clause
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||||
*
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||||
* 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.
|
||||
*/
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package com.tencent.cloud.polaris.loadbalancer.config;
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import com.tencent.cloud.polaris.context.ConditionalOnPolarisEnabled;
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import com.tencent.cloud.polaris.loadbalancer.PolarisLoadBalancer;
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import com.tencent.cloud.polaris.loadbalancer.PolarisServiceInstanceListSupplier;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.cloud.client.ConditionalOnBlockingDiscoveryEnabled;
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import org.springframework.cloud.client.ConditionalOnDiscoveryEnabled;
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import org.springframework.cloud.client.ConditionalOnReactiveDiscoveryEnabled;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.discovery.DiscoveryClient;
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import org.springframework.cloud.client.discovery.ReactiveDiscoveryClient;
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import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.annotation.Order;
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import org.springframework.core.env.Environment;
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/**
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* Configuration of loadbalancer client.
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*
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* @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
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*/
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@Configuration(proxyBeanMethods = false)
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@ConditionalOnPolarisEnabled
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@ConditionalOnDiscoveryEnabled
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public class PolarisLoadBalancerClientConfiguration {
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/**
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* Order of reactive discovery service instance supplier.
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*/
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private static final int REACTIVE_SERVICE_INSTANCE_SUPPLIER_ORDER = 193827465;
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private final static String STRATEGY_WEIGHT = "polarisWeighted";
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@Bean
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@ConditionalOnMissingBean
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@ConditionalOnProperty(value = "spring.cloud.polaris.loadbalancer.strategy", havingValue = STRATEGY_WEIGHT)
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public ReactorLoadBalancer<ServiceInstance> polarisLoadBalancer(Environment environment,
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LoadBalancerClientFactory loadBalancerClientFactory, PolarisLoadBalancerProperties loadBalancerProperties,
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RouterAPI routerAPI) {
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String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
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return new PolarisLoadBalancer(name,
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loadBalancerClientFactory.getLazyProvider(name, ServiceInstanceListSupplier.class),
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loadBalancerProperties, routerAPI);
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}
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@Configuration(proxyBeanMethods = false)
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@ConditionalOnReactiveDiscoveryEnabled
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@Order(REACTIVE_SERVICE_INSTANCE_SUPPLIER_ORDER)
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protected static class PolarisReactiveSupportConfiguration {
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@Bean
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@ConditionalOnMissingBean
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@ConditionalOnBean(ReactiveDiscoveryClient.class)
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@ConditionalOnProperty(value = "spring.cloud.loadbalancer.configurations", havingValue = "polaris")
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public ServiceInstanceListSupplier polarisRouterDiscoveryClientServiceInstanceListSupplier(
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ConfigurableApplicationContext context) {
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return new PolarisServiceInstanceListSupplier(
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ServiceInstanceListSupplier.builder().withDiscoveryClient().build(context));
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}
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}
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@Configuration(proxyBeanMethods = false)
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@ConditionalOnBlockingDiscoveryEnabled
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@Order(REACTIVE_SERVICE_INSTANCE_SUPPLIER_ORDER + 1)
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protected static class PolarisBlockingSupportConfiguration {
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@Bean
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@ConditionalOnMissingBean
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@ConditionalOnBean(DiscoveryClient.class)
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@ConditionalOnProperty(value = "spring.cloud.loadbalancer.configurations", havingValue = "polaris")
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public ServiceInstanceListSupplier polarisRouterDiscoveryClientServiceInstanceListSupplier(
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ConfigurableApplicationContext context) {
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return new PolarisServiceInstanceListSupplier(
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ServiceInstanceListSupplier.builder().withBlockingDiscoveryClient().build(context));
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}
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}
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}
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@ -1,76 +0,0 @@
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/*
|
||||
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
|
||||
*
|
||||
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
||||
*
|
||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
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package com.tencent.cloud.polaris.loadbalancer.config;
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import com.tencent.cloud.common.constant.ContextConstant;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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/**
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* Properties of Polaris loadbalancer.
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*
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* @author Haotian Zhang
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*/
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@ConfigurationProperties("spring.cloud.polaris.loadbalancer")
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public class PolarisLoadBalancerProperties {
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/**
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* If load-balance enabled.
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*/
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private Boolean enabled = true;
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/**
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* Load balance strategy.
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*/
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private String strategy;
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/**
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* Type of discovery server.
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*/
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private String discoveryType = ContextConstant.POLARIS;
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public String getStrategy() {
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return strategy;
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}
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public void setStrategy(String strategy) {
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this.strategy = strategy;
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}
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public Boolean getEnabled() {
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return enabled;
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}
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public void setEnabled(Boolean enabled) {
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this.enabled = enabled;
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}
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public String getDiscoveryType() {
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return discoveryType;
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}
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public void setDiscoveryType(String discoveryType) {
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this.discoveryType = discoveryType;
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}
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@Override
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public String toString() {
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return "PolarisLoadBalancerProperties{" + "loadbalancerEnabled=" + enabled + ", strategy='" + strategy + '\''
|
||||
+ '}';
|
||||
}
|
||||
}
|
||||
@ -1,22 +0,0 @@
|
||||
{
|
||||
"properties": [
|
||||
{
|
||||
"name": "spring.cloud.polaris.loadbalancer.enabled",
|
||||
"type": "java.lang.Boolean",
|
||||
"defaultValue": "true",
|
||||
"description": "polaris loadbalancer."
|
||||
},
|
||||
{
|
||||
"name": "spring.cloud.polaris.loadbalancer.discoveryType",
|
||||
"type": "java.lang.String",
|
||||
"defaultValue": "POLARIS",
|
||||
"description": "Type of discovery server."
|
||||
},
|
||||
{
|
||||
"name": "spring.cloud.polaris.loadbalancer.strategy",
|
||||
"type": "java.lang.String",
|
||||
"defaultValue": "random",
|
||||
"description": "retry,best_available,availability_filtering,round_robin,weighted_response_time,zone_avoidance,random,consistent_hash,weighted_random."
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -1 +0,0 @@
|
||||
com.tencent.cloud.polaris.loadbalancer.config.PolarisLoadBalancerAutoConfiguration
|
||||
@ -1,94 +0,0 @@
|
||||
/*
|
||||
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
|
||||
*
|
||||
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
||||
*
|
||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
* 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 com.tencent.cloud.polaris.loadbalancer;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import com.tencent.cloud.common.pojo.PolarisServiceInstance;
|
||||
import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
|
||||
import org.assertj.core.api.Assertions;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.MockedStatic;
|
||||
import org.mockito.Mockito;
|
||||
import org.mockito.junit.MockitoJUnitRunner;
|
||||
|
||||
import org.springframework.cloud.client.DefaultServiceInstance;
|
||||
import org.springframework.cloud.client.ServiceInstance;
|
||||
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
|
||||
|
||||
import static com.tencent.cloud.common.metadata.MetadataContext.LOCAL_NAMESPACE;
|
||||
import static org.mockito.ArgumentMatchers.anyString;
|
||||
|
||||
/**
|
||||
* Test for {@link PolarisServiceInstanceListSupplier}.
|
||||
*
|
||||
* @author rod.xu
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class PolarisServiceInstanceListSupplierTest {
|
||||
|
||||
@Mock
|
||||
private ServiceInstanceListSupplier serviceInstanceListSupplier;
|
||||
|
||||
@Test
|
||||
public void chooseInstancesTest() {
|
||||
try (MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils = Mockito
|
||||
.mockStatic(ApplicationContextAwareUtils.class)) {
|
||||
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
|
||||
.thenReturn("test-unit");
|
||||
|
||||
PolarisServiceInstanceListSupplier instanceListSupplier =
|
||||
new PolarisServiceInstanceListSupplier(serviceInstanceListSupplier);
|
||||
|
||||
List<ServiceInstance> allServers = new ArrayList<>();
|
||||
ServiceInstance instance1 = new DefaultServiceInstance("unit-test-instanceId-01",
|
||||
"unit-test-serviceId", "unit-test-host-01", 8090, false);
|
||||
ServiceInstance instance2 = new DefaultServiceInstance("unit-test-instanceId-02",
|
||||
"unit-test-serviceId", "unit-test-host-02", 8090, false);
|
||||
|
||||
allServers.add(instance1);
|
||||
allServers.add(instance2);
|
||||
|
||||
List<ServiceInstance> polarisInstanceList = instanceListSupplier.chooseInstances(allServers);
|
||||
|
||||
Assertions.assertThat(polarisInstanceList).isNotNull();
|
||||
Assertions.assertThat(polarisInstanceList.size()).isEqualTo(allServers.size());
|
||||
|
||||
for (ServiceInstance serviceInstance : polarisInstanceList) {
|
||||
Assertions.assertThat(serviceInstance instanceof PolarisServiceInstance).isTrue();
|
||||
|
||||
PolarisServiceInstance polarisServiceInstance = (PolarisServiceInstance) serviceInstance;
|
||||
|
||||
Assertions.assertThat(polarisServiceInstance.isSecure()).isFalse();
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getService())
|
||||
.isEqualTo("unit-test-serviceId");
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getNamespace())
|
||||
.isEqualTo(LOCAL_NAMESPACE);
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getPort()).isEqualTo(8090);
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getId()
|
||||
.startsWith("unit-test-instanceId")).isTrue();
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getHost()
|
||||
.startsWith("unit-test-host")).isTrue();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue