1. 重新实现 Dubbo 路由的过滤器,之前的版本有问题
2. Spring Cloud Alibaba Dubbo 的 URL 处理有问题,切回到 Dubbo 原生注册中心,不使用 Spring Cloud 注册中心pull/3/head
parent
1dadf93449
commit
92c2d79dc1
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@ -26,9 +26,15 @@
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</dependency>
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</dependency>
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<!-- RPC 相关 -->
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<!-- RPC 相关 -->
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<!-- TODO 优化点:Spring Cloud Alibaba Dubbo 的示例 -->
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<!-- <dependency>-->
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<!-- <groupId>com.alibaba.cloud</groupId>-->
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<!-- <artifactId>spring-cloud-starter-dubbo</artifactId>-->
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<!-- </dependency>-->
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<dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<groupId>org.apache.dubbo</groupId>
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<artifactId>spring-cloud-starter-dubbo</artifactId>
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<artifactId>dubbo-spring-boot-starter</artifactId>
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</dependency>
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</dependency>
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<!-- 日志相关 -->
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<!-- 日志相关 -->
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@ -1,6 +1,8 @@
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package cn.iocoder.mall.dubbo.config;
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package cn.iocoder.mall.dubbo.config;
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import cn.iocoder.mall.dubbo.core.web.DubboRouterTagWebInterceptor;
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import cn.iocoder.mall.dubbo.core.web.DubboRouterTagWebInterceptor;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Configuration;
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@ -11,14 +13,18 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
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@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
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public class DubboWebAutoConfiguration implements WebMvcConfigurer {
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public class DubboWebAutoConfiguration implements WebMvcConfigurer {
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private Logger logger = LoggerFactory.getLogger(DubboWebAutoConfiguration.class);
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// ========== 拦截器相关 ==========
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// ========== 拦截器相关 ==========
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@Override
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@Override
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public void addInterceptors(InterceptorRegistry registry) {
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public void addInterceptors(InterceptorRegistry registry) {
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try {
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try {
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// 设置为 -1000 的原因,保证在比较前面就处理该逻辑。例如说,认证拦截器;
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registry.addInterceptor(new DubboRouterTagWebInterceptor()).order(-1000);
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registry.addInterceptor(new DubboRouterTagWebInterceptor()).order(-1000);
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logger.info("[addInterceptors][加载 DubboRouterTagWebInterceptor 拦截器完成]");
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} catch (NoSuchBeanDefinitionException e) {
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} catch (NoSuchBeanDefinitionException e) {
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// logger.warn("[addInterceptors][无法获取 AccessLogInterceptor 拦截器,因此不启动 AccessLog 的记录]");
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logger.warn("[addInterceptors][无法获取 DubboRouterTagWebInterceptor 拦截器,无法使用 Dubbo 标签路由]");
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}
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}
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}
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}
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@ -0,0 +1,37 @@
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package cn.iocoder.mall.dubbo.core.cluster.interceptor;
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import cn.iocoder.common.framework.util.StringUtils;
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import cn.iocoder.mall.dubbo.core.filter.DubboProviderRouterTagFilter;
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import cn.iocoder.mall.dubbo.core.router.DubboRouterTagContextHolder;
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import org.apache.dubbo.common.constants.CommonConstants;
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import org.apache.dubbo.common.extension.Activate;
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import org.apache.dubbo.rpc.Invocation;
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import org.apache.dubbo.rpc.cluster.interceptor.ClusterInterceptor;
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import org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker;
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/**
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* Consumer 方,在调用 Provider 时,将 {@link DubboRouterTagContextHolder} 中的 Tag 通过 Dubbo 隐式传参。
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*
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* 完整逻辑说明,见 {@link DubboProviderRouterTagFilter}
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*
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* 注意,这里需要设置到 order = 1 的原因,是需要保证排在 ConsumerContextClusterInterceptor 之后
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*/
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@Activate(group = CommonConstants.CONSUMER, order = 1)
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public class DubboConsumerRouterTagClusterInterceptor implements ClusterInterceptor {
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@Override
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public void before(AbstractClusterInvoker<?> clusterInvoker, Invocation invocation) {
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// 设置 Dubbo Tag 到 Dubbo 隐式传参
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String dubboTag = DubboRouterTagContextHolder.getTag();
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if (StringUtils.hasText(dubboTag)) {
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invocation.setAttachment(CommonConstants.TAG_KEY, dubboTag);
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}
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}
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@Override
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public void after(AbstractClusterInvoker<?> clusterInvoker, Invocation invocation) {
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// 清空 Dubbo Tag 的隐式传参
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invocation.setAttachment(CommonConstants.TAG_KEY, null);
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}
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}
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@ -0,0 +1,44 @@
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package cn.iocoder.mall.dubbo.core.filter;
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import cn.iocoder.common.framework.util.StringUtils;
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import cn.iocoder.mall.dubbo.core.cluster.interceptor.DubboConsumerRouterTagClusterInterceptor;
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import cn.iocoder.mall.dubbo.core.router.DubboRouterTagContextHolder;
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import org.apache.dubbo.common.constants.CommonConstants;
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import org.apache.dubbo.common.extension.Activate;
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import org.apache.dubbo.rpc.*;
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import org.apache.dubbo.rpc.cluster.router.tag.TagRouter;
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/**
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* 基于 Dubbo 标签路由规则(http://dubbo.apache.org/zh-cn/docs/user/demos/routing-rule.html),实现如下功能:
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* 1. 本地开发调试时,在带有 Dubbo Tag 的情况下,优先调用指定 Tag 的服务提供者。这样,我们可以将本地启动的服务提供者打上相应的 Tag,即可优先调用本地;
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* 2. TODO 优化点:蓝绿发布、灰度发布
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*
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* 实现逻辑为:
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* 1. 对于 Consumer 方,在调用 Provider 时,{@link DubboConsumerRouterTagClusterInterceptor} 会将 {@link DubboRouterTagContextHolder} 中的 Tag 通过 Dubbo 隐式传参。
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* 同时,Dubbo 自带 {@link TagRouter},会根据该参数,会选择符合该 Tag 的 Provider。
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* 2. 对于 Provider 方,在通过 Dubbo 隐式传参获得到 Tag 时,会设置到 {@link DubboRouterTagContextHolder} 中。
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* 这样,在 Provider 作为 Consumer 角色时,调用其它 Provider 时,可以继续实现标签路由的功能。
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*/
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@Activate(group = {CommonConstants.PROVIDER, CommonConstants.CONSUMER}, order = -1000)
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public class DubboProviderRouterTagFilter implements Filter {
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@Override
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public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
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// 从 Dubbo 隐式传参获得 Dubbo Tag
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String dubboTag = invocation.getAttachment(CommonConstants.TAG_KEY);
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boolean hasDubboTag = StringUtils.hasText(dubboTag);
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if (hasDubboTag) {
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invocation.setAttachment(CommonConstants.TAG_KEY, dubboTag);
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}
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// 继续调用
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try {
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return invoker.invoke(invocation);
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} finally {
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// 清理
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if (hasDubboTag) {
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DubboRouterTagContextHolder.clear();
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}
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}
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}
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}
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@ -1,62 +0,0 @@
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package cn.iocoder.mall.dubbo.core.filter;
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import cn.iocoder.common.framework.util.StringUtils;
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import cn.iocoder.mall.dubbo.core.router.DubboRouterTagContextHolder;
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import org.apache.dubbo.common.constants.CommonConstants;
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import org.apache.dubbo.common.extension.Activate;
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import org.apache.dubbo.rpc.*;
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/**
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* 基于 Dubbo 标签路由规则(http://dubbo.apache.org/zh-cn/docs/user/demos/routing-rule.html),实现如下功能:
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* 1. 本地开发调试时,在带有 Dubbo Tag 的情况下,优先调用指定 Tag 的服务提供者。这样,我们可以将本地启动的服务提供者打上相应的 Tag,即可优先调用本地;
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* 2. TODO 优化点:蓝绿发布、灰度发布
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*
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* 实现逻辑为:
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* 1. 对于 Consumer 方,在调用 Provider 时,会将 {@link DubboRouterTagContextHolder} 中的 Tag 通过 Dubbo 隐式传参。
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* 同时,Dubbo 自带 {@link org.apache.dubbo.rpc.cluster.router.tag.TagRouter},会根据该参数,会选择符合该 Tag 的 Provider。
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* 2. 对于 Provider 方,在通过 Dubbo 隐式传参获得到 Tag 时,会设置到 {@link DubboRouterTagContextHolder} 中。
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* 这样,在 Provider 作为 Consumer 角色时,调用其它 Provider 时,可以继续实现标签路由的功能。
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*/
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@Activate(group = {CommonConstants.PROVIDER, CommonConstants.CONSUMER}, order = -1000)
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public class DubboRouterTagFilter implements Filter {
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@Override
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public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
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// 消费端
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if (RpcContext.getContext().isConsumerSide()) {
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// 设置 Dubbo Tag 到 Dubbo 隐式传参
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String dubboTag = DubboRouterTagContextHolder.getTag();
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boolean hasDubboTag = StringUtils.hasText(dubboTag);
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if (hasDubboTag) {
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invocation.setAttachment(CommonConstants.TAG_KEY, dubboTag);
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}
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// 继续调用
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try {
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return invoker.invoke(invocation);
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} finally {
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// 解决极端情况下,本地 injvm 调用时,消费端会调用 DubboRouterTagContextHolder.clear() 上下文,导致消费端也被清理了,因为在同一个 JVM 进程内。
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if (hasDubboTag) {
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DubboRouterTagContextHolder.setTag(dubboTag);
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}
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}
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// 提供端
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} else {
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// 从 Dubbo 隐式传参获得 Dubbo Tag
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String dubboTag = invocation.getAttachment(CommonConstants.TAG_KEY);
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boolean hasDubboTag = StringUtils.hasText(dubboTag);
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if (hasDubboTag) {
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invocation.setAttachment(CommonConstants.TAG_KEY, dubboTag);
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}
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// 继续调用
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try {
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return invoker.invoke(invocation);
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} finally {
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// 清理
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if (hasDubboTag) {
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DubboRouterTagContextHolder.clear();
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}
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}
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}
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}
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}
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package cn.iocoder.mall.dubbo.core.router;
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package cn.iocoder.mall.dubbo.core.router;
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import cn.iocoder.mall.dubbo.core.filter.DubboProviderRouterTagFilter;
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/**
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/**
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* Dubbo 路由 Tag 的上下文
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* Dubbo 路由 Tag 的上下文
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*
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*
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* @see cn.iocoder.mall.dubbo.core.filter.DubboRouterTagFilter
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* @see DubboProviderRouterTagFilter
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* @see cn.iocoder.mall.dubbo.core.web.DubboRouterTagWebInterceptor
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* @see cn.iocoder.mall.dubbo.core.web.DubboRouterTagWebInterceptor
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*/
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*/
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public class DubboRouterTagContextHolder {
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public class DubboRouterTagContextHolder {
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package cn.iocoder.mall.dubbo.core.web;
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package cn.iocoder.mall.dubbo.core.web;
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import cn.iocoder.common.framework.util.StringUtils;
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import cn.iocoder.common.framework.util.StringUtils;
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import cn.iocoder.mall.dubbo.core.cluster.interceptor.DubboConsumerRouterTagClusterInterceptor;
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import cn.iocoder.mall.dubbo.core.filter.DubboProviderRouterTagFilter;
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import cn.iocoder.mall.dubbo.core.router.DubboRouterTagContextHolder;
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import cn.iocoder.mall.dubbo.core.router.DubboRouterTagContextHolder;
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import org.apache.dubbo.common.constants.CommonConstants;
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import org.apache.dubbo.rpc.RpcContext;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.ModelAndView;
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import org.springframework.web.servlet.ModelAndView;
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/**
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/**
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* Dubbo 路由标签的 Web 拦截器,将请求 Header 中的 {@link #HEADER_DUBBO_TAG} 设置到 {@link DubboRouterTagContextHolder} 中。
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* Dubbo 路由标签的 Web 拦截器,将请求 Header 中的 {@link #HEADER_DUBBO_TAG} 设置到 {@link DubboRouterTagContextHolder} 中。
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*
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*
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* @see cn.iocoder.mall.dubbo.core.filter.DubboRouterTagFilter
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* @see DubboProviderRouterTagFilter
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* @see DubboConsumerRouterTagClusterInterceptor
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*/
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*/
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public class DubboRouterTagWebInterceptor implements HandlerInterceptor {
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public class DubboRouterTagWebInterceptor implements HandlerInterceptor {
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@ -22,6 +27,7 @@ public class DubboRouterTagWebInterceptor implements HandlerInterceptor {
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String tag = request.getHeader(HEADER_DUBBO_TAG);
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String tag = request.getHeader(HEADER_DUBBO_TAG);
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if (StringUtils.hasText(tag)) {
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if (StringUtils.hasText(tag)) {
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DubboRouterTagContextHolder.setTag(tag);
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DubboRouterTagContextHolder.setTag(tag);
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RpcContext.getContext().setAttachment(CommonConstants.TAG_KEY, tag);
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}
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}
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return true;
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return true;
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}
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}
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@ -1,2 +1,2 @@
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dubboExceptionFilter=cn.iocoder.mall.dubbo.core.filter.DubboProviderExceptionFilter
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dubboExceptionFilter=cn.iocoder.mall.dubbo.core.filter.DubboProviderExceptionFilter
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dubboRouterTagFilter=cn.iocoder.mall.dubbo.core.filter.DubboRouterTagFilter
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dubboProviderRouterTagFilter=cn.iocoder.mall.dubbo.core.filter.DubboProviderRouterTagFilter
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@ -0,0 +1 @@
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dubboConsumerRouterTagClusterInterceptor=cn.iocoder.mall.dubbo.core.cluster.interceptor.DubboConsumerRouterTagClusterInterceptor
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@ -41,7 +41,7 @@
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<mybatis-plus.version>3.1.1</mybatis-plus.version>
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<mybatis-plus.version>3.1.1</mybatis-plus.version>
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<spring-boot-starter-data-jest.version>3.2.5.RELEASE</spring-boot-starter-data-jest.version>
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<spring-boot-starter-data-jest.version>3.2.5.RELEASE</spring-boot-starter-data-jest.version>
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<!-- RPC 相关 -->
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<!-- RPC 相关 -->
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<dubbo.version>2.7.6</dubbo.version>
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<dubbo.version>2.7.7</dubbo.version>
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<!-- Job 相关 -->
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<!-- Job 相关 -->
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<xxl-job.version>2.0.1</xxl-job.version>
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<xxl-job.version>2.0.1</xxl-job.version>
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<!-- Transaction 相关 -->
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<!-- Transaction 相关 -->
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@ -11,4 +11,10 @@ spring:
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dubbo:
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dubbo:
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# Dubbo 注册中心
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# Dubbo 注册中心
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registry:
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registry:
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address: spring-cloud://400-infra.server.iocoder.cn:8848 # 指定 Dubbo 服务注册中心的地址
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# address: spring-cloud://400-infra.server.iocoder.cn:8848 # 指定 Dubbo 服务注册中心的地址
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# address: nacos://400-infra.server.iocoder.cn:8848?namespace=local # 指定 Dubbo 服务注册中心的地址
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protocol: nacos
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address: 400-infra.server.iocoder.cn:8848?namespace=local
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timeout: 20000
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register: true
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subscribe: true
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@ -2,12 +2,14 @@ package cn.iocoder.mall.systemservice;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.ConfigurableApplicationContext;
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@SpringBootApplication
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@SpringBootApplication
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public class SystemServiceApplication {
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public class SystemServiceApplication {
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public static void main(String[] args) {
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public static void main(String[] args) {
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SpringApplication.run(SystemServiceApplication.class, args);
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ConfigurableApplicationContext context = SpringApplication.run(SystemServiceApplication.class, args);
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System.out.println(context);
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}
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}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -17,4 +17,5 @@ spring:
|
||||||
dubbo:
|
dubbo:
|
||||||
# Dubbo 注册中心
|
# Dubbo 注册中心
|
||||||
registry:
|
registry:
|
||||||
address: spring-cloud://400-infra.server.iocoder.cn:8848 # 指定 Dubbo 服务注册中心的地址
|
# address: spring-cloud://400-infra.server.iocoder.cn:8848 # 指定 Dubbo 服务注册中心的地址
|
||||||
|
address: nacos://400-infra.server.iocoder.cn:8848?namespace=local # 指定 Dubbo 服务注册中心的地址
|
||||||
|
|
Loading…
Reference in New Issue