yuhuangbin
5 years ago
committed by
GitHub
commit
322c7db4a5
@ -0,0 +1,74 @@
|
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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">
|
||||
|
||||
<parent>
|
||||
<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-discovery-consumer-sclb-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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|
||||
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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-web</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>
|
||||
<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>
|
||||
</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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|
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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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|
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-openfeign</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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|
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</dependencies>
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|
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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 +1,7 @@
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#!/usr/bin/env bash
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n=1
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while [ $n -le 10 ]
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do
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echo `curl -s http://localhost:18083/echo-feign/openfeign`
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let n++
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done
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@ -0,0 +1,7 @@
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#!/usr/bin/env bash
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n=1
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while [ $n -le 10 ]
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do
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echo `curl -s http://localhost:18083/echo-rest/resttemplate`
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let n++
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done
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@ -0,0 +1,155 @@
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/*
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* Copyright 2013-2018 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 java.util.List;
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import java.util.Random;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import reactor.core.publisher.Mono;
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import org.springframework.beans.factory.ObjectProvider;
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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.ServiceInstance;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.cloud.client.loadbalancer.LoadBalanced;
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import org.springframework.cloud.client.loadbalancer.reactive.DefaultResponse;
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import org.springframework.cloud.client.loadbalancer.reactive.EmptyResponse;
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import org.springframework.cloud.client.loadbalancer.reactive.Request;
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import org.springframework.cloud.client.loadbalancer.reactive.Response;
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import org.springframework.cloud.loadbalancer.annotation.LoadBalancerClient;
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import org.springframework.cloud.loadbalancer.core.NoopServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.core.ReactorServiceInstanceLoadBalancer;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.cloud.openfeign.EnableFeignClients;
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import org.springframework.cloud.openfeign.FeignClient;
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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.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.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.client.RestTemplate;
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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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@EnableDiscoveryClient(autoRegister = false)
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@EnableFeignClients
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public class ConsumerSCLBApplication {
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@LoadBalanced
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@Bean
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public RestTemplate restTemplate() {
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return new RestTemplate();
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}
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public static void main(String[] args) {
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SpringApplication.run(ConsumerSCLBApplication.class, args);
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}
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@Configuration
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@LoadBalancerClient(value = "service-provider",
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configuration = MyLoadBalancerConfiguration.class)
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class MySCLBConfiguration {
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}
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static class RandomLoadBalancer implements ReactorServiceInstanceLoadBalancer {
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private static final Logger log = LoggerFactory
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.getLogger(RandomLoadBalancer.class);
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private ObjectProvider<ServiceInstanceListSupplier> serviceInstanceListSupplierProvider;
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private final String serviceId;
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private final Random random;
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RandomLoadBalancer(
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ObjectProvider<ServiceInstanceListSupplier> serviceInstanceListSupplierProvider,
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String serviceId) {
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this.serviceInstanceListSupplierProvider = serviceInstanceListSupplierProvider;
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this.serviceId = serviceId;
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this.random = new Random();
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}
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@Override
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public Mono<Response<ServiceInstance>> choose(Request request) {
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log.info("random spring cloud loadbalacer active -.-");
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ServiceInstanceListSupplier supplier = serviceInstanceListSupplierProvider
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.getIfAvailable(NoopServiceInstanceListSupplier::new);
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return supplier.get().next().map(this::getInstanceResponse);
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}
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private Response<ServiceInstance> getInstanceResponse(
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List<ServiceInstance> instances) {
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if (instances.isEmpty()) {
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return new EmptyResponse();
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}
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ServiceInstance instance = instances.get(random.nextInt(instances.size()));
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return new DefaultResponse(instance);
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}
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}
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@FeignClient(name = "service-provider")
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public interface EchoService {
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@GetMapping("/echo/{str}")
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String echo(@PathVariable("str") String str);
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@GetMapping("/divide")
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String divide(@RequestParam("a") Integer a, @RequestParam("b") Integer b);
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default String divide(Integer a) {
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return divide(a, 0);
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}
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@GetMapping("/notFound")
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String notFound();
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}
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@RestController
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class TestController {
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@Autowired
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private RestTemplate restTemplate;
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@Autowired
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private EchoService echoService;
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@GetMapping("/echo-rest/{str}")
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public String rest(@PathVariable String str) {
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return restTemplate.getForObject("http://service-provider/echo/" + str,
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String.class);
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}
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@GetMapping("/echo-feign/{str}")
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public String feign(@PathVariable String str) {
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return echoService.echo(str);
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}
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}
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}
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@ -0,0 +1,44 @@
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/*
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* Copyright 2013-2018 the original author or authors.
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||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* 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.alibaba.cloud.examples;
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import com.alibaba.cloud.examples.ConsumerSCLBApplication.RandomLoadBalancer;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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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.core.env.Environment;
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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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||||
public class MyLoadBalancerConfiguration {
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@Bean
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@ConditionalOnMissingBean
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public ReactorLoadBalancer<ServiceInstance> reactorServiceInstanceLoadBalancer(
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Environment environment,
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LoadBalancerClientFactory loadBalancerClientFactory) {
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String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
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return new RandomLoadBalancer(loadBalancerClientFactory.getLazyProvider(name,
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ServiceInstanceListSupplier.class), name);
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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-sclb
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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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@ -0,0 +1,63 @@
|
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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"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
|
||||
<parent>
|
||||
<groupId>com.alibaba.cloud</groupId>
|
||||
<artifactId>nacos-discovery-example</artifactId>
|
||||
<version>2.2.0.BUILD-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
|
||||
<artifactId>nacos-reactivediscovery-consumer-example</artifactId>
|
||||
<packaging>jar</packaging>
|
||||
<description>Example demonstrating how to use nacos discovery</description>
|
||||
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-webflux</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.alibaba.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
|
||||
<exclusions>
|
||||
<exclusion>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
|
||||
</exclusion>
|
||||
</exclusions>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-actuator</artifactId>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-loadbalancer</artifactId>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-deploy-plugin</artifactId>
|
||||
<version>${maven-deploy-plugin.version}</version>
|
||||
<configuration>
|
||||
<skip>true</skip>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
@ -0,0 +1,74 @@
|
||||
/*
|
||||
* Copyright 2013-2018 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* 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.alibaba.cloud.examples;
|
||||
|
||||
import reactor.core.publisher.Flux;
|
||||
import reactor.core.publisher.Mono;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.cloud.client.discovery.ReactiveDiscoveryClient;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.web.bind.annotation.GetMapping;
|
||||
import org.springframework.web.bind.annotation.PathVariable;
|
||||
import org.springframework.web.bind.annotation.RestController;
|
||||
import org.springframework.web.reactive.function.client.WebClient;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
@SpringBootApplication
|
||||
public class ConsumerReactiveApplication {
|
||||
|
||||
@Bean
|
||||
@LoadBalanced
|
||||
public WebClient.Builder webClient() {
|
||||
return WebClient.builder();
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(ConsumerReactiveApplication.class, args);
|
||||
}
|
||||
|
||||
@RestController
|
||||
class MyController {
|
||||
|
||||
@Autowired
|
||||
private ReactiveDiscoveryClient reactiveDiscoveryClient;
|
||||
|
||||
@Autowired
|
||||
private WebClient.Builder webClientBuilder;
|
||||
|
||||
@GetMapping("/all-services")
|
||||
public Flux<String> allServices() {
|
||||
return reactiveDiscoveryClient.getInstances("service-provider")
|
||||
.map(serviceInstance -> serviceInstance.getHost() + ":"
|
||||
+ serviceInstance.getPort());
|
||||
}
|
||||
|
||||
@GetMapping("/service-call/{name}")
|
||||
public Mono<String> serviceCall(@PathVariable("name") String name) {
|
||||
return webClientBuilder.build().get()
|
||||
.uri("http://service-provider/echo/" + name).retrieve()
|
||||
.bodyToMono(String.class);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,6 @@
|
||||
spring.application.name=service-consumer-reactive
|
||||
server.port=18083
|
||||
management.endpoints.web.exposure.include=*
|
||||
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
|
||||
|
||||
spring.cloud.loadbalancer.ribbon.enabled=false
|
||||
@ -0,0 +1,36 @@
|
||||
/*
|
||||
* Copyright 2013-2018 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* 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.alibaba.cloud.examples;
|
||||
|
||||
import org.springframework.context.annotation.Configuration;
|
||||
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
|
||||
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
|
||||
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
|
||||
|
||||
/**
|
||||
* @author yuhuangbin
|
||||
*/
|
||||
@Configuration
|
||||
@EnableWebMvc
|
||||
public class WebMvcConfiguration implements WebMvcConfigurer {
|
||||
|
||||
@Override
|
||||
public void addViewControllers(ViewControllerRegistry registry) {
|
||||
registry.addViewController("/errorPage").setViewName("errorPage");
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,10 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<title>Title</title>
|
||||
</head>
|
||||
<body>
|
||||
This is error page.
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in New Issue