服务网关 Zuul 路由熔断
2022/2/14 6:12:31
本文主要是介绍服务网关 Zuul 路由熔断,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.tszr</groupId> <artifactId>mango-zuul</artifactId> <version>0.0.1-SNAPSHOT</version> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.3.RELEASE</version> </parent> <name>mango-hystrix</name> <description>mango-zuul</description> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <spring-cloud.version>Finchley.RELEASE</spring-cloud.version> <spring.boot.admin.version>2.0.3</spring.boot.admin.version> </properties> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-zuul</artifactId> <exclusions> <exclusion> <groupId>org.hibernate.validator</groupId> <artifactId>hibernate-validator</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-consul-discovery</artifactId> </dependency> <!--actuator --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <!--spring-boot-admin --> <dependency> <groupId>de.codecentric</groupId> <artifactId>spring-boot-admin-starter-client</artifactId> <version>${spring.boot.admin.version}</version> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build> </project>
server: port: 8010 spring: application: name: mango-zuul cloud: consul: host: localhost port: 8500 discovery: service-name: ${spring.application.name} boot: admin: client: url: - "http://localhost:8088" # 开放健康检查接口 management: endpoints: web: exposure: include: "*" endpoint: health: show-details: ALWAYS zuul: routes: ribbon: path: /ribbon/** serviceId: mango-consumer # 转发到消费者 /ribbon/ feign: path: /feign/** serviceId: mango-consumer # 转发到消费者 /feign/
package com.tszr; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import org.springframework.cloud.netflix.zuul.filters.route.FallbackProvider; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.client.ClientHttpResponse; import org.springframework.stereotype.Component; @Component public class MyFallbackProvider implements FallbackProvider { @Override public String getRoute() { return "mango-consumer"; } @Override public ClientHttpResponse fallbackResponse(String route, Throwable cause) { System.out.println("route:" + route); System.out.println("exception:" + cause.getMessage()); return new ClientHttpResponse() { @Override public HttpStatus getStatusCode() throws IOException { return HttpStatus.OK; } @Override public int getRawStatusCode() throws IOException { return 200; } @Override public String getStatusText() throws IOException { return "ok"; } @Override public void close() { } @Override public InputStream getBody() throws IOException { return new ByteArrayInputStream("Sorry, the service is unavailable now.".getBytes()); } @Override public HttpHeaders getHeaders() { HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.APPLICATION_JSON); return headers; } }; } }
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