spring eureka server

dzl84394

已于 2024-01-15 22:55:29 修改

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分类专栏： springboot学习 java 文章标签： spring eureka spring boot

于 2022-07-16 14:44:00 首次发布

本文链接：https://blog.youkuaiyun.com/dzl84394/article/details/125819690

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建立一个parent

因为用了大量开源的jar包，好多已经报了漏洞，公司上线前有校验，老项目版本控制乱七八糟的，升级jar超级麻烦
所以每个项目先搞一个parent（或者共用一个parent），团队专人维护jar包版本管理，省得到了上线的时候手忙脚乱的升级jar

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>cn.dails</groupId>
    <artifactId>dails-parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <java.version>1.8</java.version>
        <spring-boot.version>2.7.17</spring-boot.version>
        <spring-cloud.version>2021.0.8</spring-cloud.version>

        <druid.version>1.2.1</druid.version>
        <lombok.version>1.18.22</lombok.version>
        <mybatisplus.version>3.4.3.4</mybatisplus.version>
        <guava.version>31.1-jre</guava.version>
        <gson.version>2.9.0</gson.version>
        <xstream.version>1.4.18</xstream.version>
        <junit.version>4.13.1</junit.version>
        <okhttp.version>4.9.0</okhttp.version>
        <fastjson.version>2.0.5</fastjson.version>
        <mysql.version>8.0.25</mysql.version>


    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.17</version>
        <relativePath></relativePath>
    </parent>

    <dependencyManagement>
        <dependencies>
<!--            <dependency>-->
<!--                <groupId>org.springframework.boot</groupId>-->
<!--                <artifactId>spring-boot-dependencies</artifactId>-->
<!--                <version>${spring-boot.version}</version>-->
<!--                <type>pom</type>-->
<!--                <scope>import</scope>-->
<!--            </dependency>-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>





            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <scope>provided</scope>
                <version>${lombok.version}</version>
            </dependency>

            <dependency>
                <groupId>com.squareup.okhttp3</groupId>
                <artifactId>okhttp</artifactId>
                <version>${okhttp.version}</version>
            </dependency>

            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>${fastjson.version}</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava.version}</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
            <dependency>
                <groupId>com.google.code.gson</groupId>
                <artifactId>gson</artifactId>
                <version>${gson.version}</version>
            </dependency>




            <!-- https://mvnrepository.com/artifact/com.thoughtworks.xstream/xstream -->
            <dependency>
                <groupId>com.thoughtworks.xstream</groupId>
                <artifactId>xstream</artifactId>
                <version>${xstream.version}</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/junit/junit -->
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
                <scope>test</scope>
            </dependency>



            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>${druid.version}</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid-spring-boot-starter</artifactId>
                <version>${druid.version}</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-boot-starter -->
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-boot-starter</artifactId>
                <version>${mybatisplus.version}</version>
            </dependency>
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>

            <dependency>
                <groupId>org.bouncycastle</groupId>
                <artifactId>bcprov-jdk15on</artifactId>
                <version>1.69</version>
            </dependency>
        <!--分页 log4j-->
        </dependencies>

    </dependencyManagement>
    <build>
       
    </build>
</project>

2、spring boot 版本和spring cloud版本对应关系

官方对应关系 https://start.spring.io/actuator/info

{
    "git":{
        "branch":"908dae56aac82ef4c98a0d7214fc59e910ab9b40",
        "commit":{
            "id":"908dae5",
            "time":"2022-07-15T10:14:55Z"
        }
    },
    "build":{
        "version":"0.0.1-SNAPSHOT",
        "artifact":"start-site",
        "versions":{
            "spring-boot":"2.7.1",
            "initializr":"0.13.0-SNAPSHOT"
        },
        "name":"start.spring.io website",
        "time":"2022-07-15T10:16:59.527Z",
        "group":"io.spring.start"
    },
    "bom-ranges":{
        "codecentric-spring-boot-admin":{
            "2.4.3":"Spring Boot >=2.3.0.M1 and <2.5.0-M1",
            "2.5.6":"Spring Boot >=2.5.0.M1 and <2.6.0-M1",
            "2.6.7":"Spring Boot >=2.6.0.M1 and <2.7.0-M1",
            "2.7.1":"Spring Boot >=2.7.0.M1 and <3.0.0-M1",
            "3.0.0-M3":"Spring Boot >=3.0.0-M1 and <3.1.0-M1"
        },
        "solace-spring-boot":{
            "1.1.0":"Spring Boot >=2.3.0.M1 and <2.6.0-M1",
            "1.2.1":"Spring Boot >=2.6.0.M1 and <2.7.0-M1"
        },
        "solace-spring-cloud":{
            "1.1.1":"Spring Boot >=2.3.0.M1 and <2.4.0-M1",
            "2.1.0":"Spring Boot >=2.4.0.M1 and <2.6.0-M1",
            "2.3.0":"Spring Boot >=2.6.0.M1 and <2.7.0-M1"
        },
        "spring-cloud":{
            "Hoxton.SR12":"Spring Boot >=2.2.0.RELEASE and <2.4.0.M1",
            "2020.0.6":"Spring Boot >=2.4.0.M1 and <2.6.0-M1",
            "2021.0.0-M1":"Spring Boot >=2.6.0-M1 and <2.6.0-M3",
            "2021.0.0-M3":"Spring Boot >=2.6.0-M3 and <2.6.0-RC1",
            "2021.0.0-RC1":"Spring Boot >=2.6.0-RC1 and <2.6.1",
            "2021.0.3":"Spring Boot >=2.6.1 and <3.0.0-M1",
            "2022.0.0-M1":"Spring Boot >=3.0.0-M1 and <3.0.0-M2",
            "2022.0.0-M2":"Spring Boot >=3.0.0-M2 and <3.0.0-M3",
            "2022.0.0-M3":"Spring Boot >=3.0.0-M3 and <3.1.0-M1"
        },
        "spring-cloud-azure":{
            "4.3.0":"Spring Boot >=2.5.0.M1 and <3.0.0-M1"
        },
        "spring-cloud-gcp":{
            "2.0.11":"Spring Boot >=2.4.0-M1 and <2.6.0-M1",
            "3.3.0":"Spring Boot >=2.6.0-M1 and <2.7.0-M1"
        },
        "spring-cloud-services":{
            "2.3.0.RELEASE":"Spring Boot >=2.3.0.RELEASE and <2.4.0-M1",
            "2.4.1":"Spring Boot >=2.4.0-M1 and <2.5.0-M1",
            "3.3.0":"Spring Boot >=2.5.0-M1 and <2.6.0-M1",
            "3.4.0":"Spring Boot >=2.6.0-M1 and <2.7.0-M1"
        },
        "spring-geode":{
            "1.3.12.RELEASE":"Spring Boot >=2.3.0.M1 and <2.4.0-M1",
            "1.4.13":"Spring Boot >=2.4.0-M1 and <2.5.0-M1",
            "1.5.14":"Spring Boot >=2.5.0-M1 and <2.6.0-M1",
            "1.6.9":"Spring Boot >=2.6.0-M1 and <2.7.0-M1",
            "1.7.1":"Spring Boot >=2.7.0-M1 and <3.0.0-M1",
            "2.0.0-M3":"Spring Boot >=3.0.0-M1 and <3.1.0-M1"
        },
        "spring-shell":{
            "2.1.0-RC1":"Spring Boot >=2.7.0 and <3.0.0-M1"
        },
        "vaadin":{
            "14.8.13":"Spring Boot >=2.1.0.RELEASE and <2.6.0-M1",
            "23.1.2":"Spring Boot >=2.6.0-M1 and <2.8.0-M1"
        },
        "wavefront":{
            "2.0.2":"Spring Boot >=2.1.0.RELEASE and <2.4.0-M1",
            "2.1.1":"Spring Boot >=2.4.0-M1 and <2.5.0-M1",
            "2.2.2":"Spring Boot >=2.5.0-M1 and <2.7.0-M1",
            "2.3.0":"Spring Boot >=2.7.0-M1 and <3.0.0-M1"
        }
    },
    "dependency-ranges":{
        "native":{
            "0.9.0":"Spring Boot >=2.4.3 and <2.4.4",
            "0.9.1":"Spring Boot >=2.4.4 and <2.4.5",
            "0.9.2":"Spring Boot >=2.4.5 and <2.5.0-M1",
            "0.10.0":"Spring Boot >=2.5.0-M1 and <2.5.2",
            "0.10.1":"Spring Boot >=2.5.2 and <2.5.3",
            "0.10.2":"Spring Boot >=2.5.3 and <2.5.4",
            "0.10.3":"Spring Boot >=2.5.4 and <2.5.5",
            "0.10.4":"Spring Boot >=2.5.5 and <2.5.6",
            "0.10.5":"Spring Boot >=2.5.6 and <2.5.9",
            "0.10.6":"Spring Boot >=2.5.9 and <2.6.0-M1",
            "0.11.0-M1":"Spring Boot >=2.6.0-M1 and <2.6.0-RC1",
            "0.11.0-M2":"Spring Boot >=2.6.0-RC1 and <2.6.0",
            "0.11.0-RC1":"Spring Boot >=2.6.0 and <2.6.1",
            "0.11.0":"Spring Boot >=2.6.1 and <2.6.2",
            "0.11.1":"Spring Boot >=2.6.2 and <2.6.3",
            "0.11.2":"Spring Boot >=2.6.3 and <2.6.4",
            "0.11.3":"Spring Boot >=2.6.4 and <2.6.6",
            "0.11.5":"Spring Boot >=2.6.6 and <2.7.0-M1",
            "0.12.0":"Spring Boot >=2.7.0-M1 and <2.7.1",
            "0.12.1":"Spring Boot >=2.7.1 and <3.0.0-M1"
        },
        "okta":{
            "1.4.0":"Spring Boot >=2.2.0.RELEASE and <2.4.0-M1",
            "1.5.1":"Spring Boot >=2.4.0-M1 and <2.4.1",
            "2.0.1":"Spring Boot >=2.4.1 and <2.5.0-M1",
            "2.1.5":"Spring Boot >=2.5.0-M1 and <2.7.0-M1"
        },
        "mybatis":{
            "2.1.4":"Spring Boot >=2.1.0.RELEASE and <2.5.0-M1",
            "2.2.2":"Spring Boot >=2.5.0-M1"
        },
        "camel":{
            "3.5.0":"Spring Boot >=2.3.0.M1 and <2.4.0-M1",
            "3.10.0":"Spring Boot >=2.4.0.M1 and <2.5.0-M1",
            "3.13.0":"Spring Boot >=2.5.0.M1 and <2.6.0-M1",
            "3.17.0":"Spring Boot >=2.6.0.M1 and <2.7.0-M1"
        },
        "picocli":{
            "4.6.3":"Spring Boot >=2.4.0.RELEASE and <3.0.0-M1"
        },
        "open-service-broker":{
            "3.2.0":"Spring Boot >=2.3.0.M1 and <2.4.0-M1",
            "3.3.1":"Spring Boot >=2.4.0-M1 and <2.5.0-M1",
            "3.4.1":"Spring Boot >=2.5.0-M1 and <2.6.0-M1",
            "3.5.0":"Spring Boot >=2.6.0-M1 and <2.7.0-M1"
        }
    }
}

这是个比较麻烦的事情，还可以参考官网
https://spring.io/projects/spring-cloud#learn
GA：（Ggeneral Availability）：发行稳定版，官方推荐使用此版本。
RC：(Release Candidate)：候选版本，几乎就是正式版了，
R，RELEASE：正式版，等价于GA
SNAPSHOT：快照版，可以稳定使用，且仍在继续改进版本
Release：发行版，有时间限制
SR：修正版

我们正常开发的时候，新开一个镜像版SNAPSHOT，上线前把SNAPSHOT去掉，或者改成Release，引用jar包，尽量不要用SNAPSHOT版本

这里看springboot 就整个GA版本，下面是较新的GA版本

cloud Version: 2021.0.8 ~ Boot Version: 2.7.17

3、添加一个eureka server

3.1、新建一个项目，pom内添加

clpud已经没有eureka了，尴尬

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
              <version>3.1.7</version>
        </dependency>
        <!--安全要求必须要有密码-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

3.2、加一个java类

package cn.dms;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@SpringBootApplication
@EnableEurekaServer
public class EurekaServerApplication {
    public static void main(String[] args) {
        SpringApplication.run( EurekaServerApplication.class, args );
    }
}
<!--高版本的Security对csrd做校验了，咱们得Spring Security 5.6.5及更旧版本或Spring Boot 2.6.8-->

//@Configuration
//@EnableWebSecurity
//public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
//    @Override
//    protected void configure(HttpSecurity http) throws Exception {
//        http.csrf().disable();// 关闭csrf校验
//        http.authorizeRequests().anyRequest().authenticated().and().httpBasic();// 开启认证
        super.configure(http);// 需要注释,否则Caused by: java.lang.IllegalStateException: Can't configure anyRequest after itself
//    }
//}

<!--Spring Security 5.7.1及更新版本或者Spring Boot 2.7.0及更新版本已经不用WebSecurityConfigurerAdapter，换成下面的-->
@Configuration
@EnableWebSecurity
public class WebSecurityConfig {
    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        //关闭csrf
        http.csrf().disable();
        // 支持httpBasic
        http.authorizeRequests().anyRequest().authenticated().and().httpBasic();
        return http.build();
    }

}

3.3、application.yml添加

server:
  port: 8088
spring:
  application:
    name: eureka-server
  security:
    enabled: true
    user:
      name: wolf  # 用户名
      password: abc123   # 用户密码  
      
eureka:
  instance:
    hostname: localhost
    lease-expiration-duration-in-seconds: 10 
    lease-renewal-interval-in-seconds: 5 
  client:
    register-with-eureka: false
    fetch-registry: false
    serviceUrl:
      defaultZone: http://wolf:abc123@${eureka.instance.hostname}:${server.port}/eureka/
    healthcheck: 
    enabled: true 
  server: 
    enable-self-preservation: false
    eviction-interval-timer-in-ms: 5000

4 命令行关闭项目

关闭前，应该先通知eureka关闭

curl -X PUT  'http://172.19.133.70:8088/eureka/apps/SERVICE-USER/172.19.133.69:28081/status?value=OUT_OF_SERVICE' 
 
curl -X PUT  'http://172.19.133.70:8088/eureka/apps/SERVICE-USER/172.19.133.69:28081/status?value=DOWN'

关闭项目后，重启

curl -X DELETE  http://172.19.133.70:8088/eureka/apps/SERVICE-USER/172.19.133.69:28081

DELETE 之后，可以心跳重新发现微服务
可以启动前，或者启动后执行DELETE