add reactive discovery example
fangjian0423
5 years ago
parent
a9e519265a
commit
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>nacos-discovery-example</artifactId>
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<version>2.2.0.BUILD-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>nacos-reactivediscovery-consumer-example</artifactId>
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<packaging>jar</packaging>
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<description>Example demonstrating how to use nacos discovery</description>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-webflux</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
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<exclusions>
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<exclusion>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
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</exclusion>
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</exclusions>
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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-actuator</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-loadbalancer</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-deploy-plugin</artifactId>
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<version>${maven-deploy-plugin.version}</version>
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<configuration>
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<skip>true</skip>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -0,0 +1,72 @@
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/*
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* Copyright (C) 2018 the original author or authors.
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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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* https://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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*/
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package com.alibaba.cloud.examples;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import org.springframework.beans.factory.annotation.Autowired;
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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.cloud.client.discovery.ReactiveDiscoveryClient;
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import org.springframework.cloud.client.loadbalancer.LoadBalanced;
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import org.springframework.context.annotation.Bean;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.reactive.function.client.WebClient;
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/**
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* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
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*/
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@SpringBootApplication
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public class ConsumerReactiveApplication {
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@Bean
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@LoadBalanced
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public WebClient.Builder webClient() {
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return WebClient.builder();
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}
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@RestController
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class MyController {
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@Autowired
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private ReactiveDiscoveryClient reactiveDiscoveryClient;
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@Autowired
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private WebClient.Builder webClientBuilder;
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@GetMapping("/all-services")
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public Flux<String> allServices() {
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return reactiveDiscoveryClient.getInstances("service-provider")
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.map(serviceInstance -> serviceInstance.getHost() + ":"
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+ serviceInstance.getPort());
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}
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@GetMapping("/service-call/{name}")
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public Mono<String> serviceCall(@PathVariable("name") String name) {
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return webClientBuilder.build().get()
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.uri("http://service-provider/echo/" + name).retrieve()
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.bodyToMono(String.class);
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}
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}
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public static void main(String[] args) {
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SpringApplication.run(ConsumerReactiveApplication.class, args);
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}
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}
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@ -0,0 +1,6 @@
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spring.application.name=service-consumer-reactive
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server.port=18083
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management.endpoints.web.exposure.include=*
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spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
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spring.cloud.loadbalancer.ribbon.enabled=false
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