fix guava version conflict bug & fix router strong dependency on LoadBalancerClientFilter (#236)
lepdou
3 years ago
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GitHub
parent
80cc2882c6
commit
d49520dd11
@ -0,0 +1,66 @@
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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
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* 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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*
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*/
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package com.tencent.cloud.polaris.router.beanprocessor;
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import java.util.List;
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import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
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import com.tencent.cloud.common.util.BeanFactoryUtils;
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import com.tencent.cloud.polaris.router.RouterRuleLabelResolver;
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import com.tencent.cloud.polaris.router.scg.PolarisLoadBalancerClientFilter;
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import com.tencent.cloud.polaris.router.spi.RouterLabelResolver;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.BeanFactoryAware;
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import org.springframework.beans.factory.config.BeanPostProcessor;
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import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
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import org.springframework.cloud.gateway.config.LoadBalancerProperties;
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import org.springframework.cloud.gateway.filter.LoadBalancerClientFilter;
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/**
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* Replace LoadBalancerClientFilter with PolarisLoadBalancerClientFilter.
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*@author lepdou 2022-06-15
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*/
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public class LoadBalancerClientFilterBeanPostProcessor implements BeanPostProcessor, BeanFactoryAware {
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private BeanFactory factory;
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@Override
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public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
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this.factory = beanFactory;
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}
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@Override
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public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
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if (bean instanceof LoadBalancerClientFilter) {
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// Support spring cloud gateway router.
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// Replaces the default LoadBalancerClientFilter implementation and returns a custom PolarisLoadBalancerClientFilter
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LoadBalancerClient loadBalancerClient = this.factory.getBean(LoadBalancerClient.class);
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LoadBalancerProperties loadBalancerProperties = this.factory.getBean(LoadBalancerProperties.class);
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List<RouterLabelResolver> routerLabelResolvers = BeanFactoryUtils.getBeans(factory, RouterLabelResolver.class);
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MetadataLocalProperties metadataLocalProperties = this.factory.getBean(MetadataLocalProperties.class);
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RouterRuleLabelResolver routerRuleLabelResolver = this.factory.getBean(RouterRuleLabelResolver.class);
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return new PolarisLoadBalancerClientFilter(loadBalancerClient, loadBalancerProperties,
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metadataLocalProperties, routerRuleLabelResolver, routerLabelResolvers);
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}
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return bean;
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}
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}
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