01_SpringCloud之Eureka

1.Eureka Server

@SpringBootApplication
@EnableEurekaServer
public class EurekaApplication {

    public static void main(String[] args) {
        SpringApplication.run(EurekaApplication.class, args);
    }
}

security:#认证
  basic:
    enabled: true
  user:
    name: user
    password: password123
server:
  port: 8761

eureka:
  client:
    register-with-eureka: false
    fetch-registry: false
    service-url:
      defaultZone: http://user:password123@localhost:8761/eureka/

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
        </dependency>
        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
            <artifactId>xstream</artifactId>
            <version>1.4.10</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
    </dependencies>

2.Eureka Client

@SpringBootApplication
@EnableEurekaClient
public class MicroserviceSimpleProviderUserApplication {

    public static void main(String[] args) {
        SpringApplication.run(MicroserviceSimpleProviderUserApplication.class, args);
    }
}

@RestController
public class UserController {

    @Autowired
    private UserRepository userRepository;
    
    @Autowired
    private EurekaClient eurekaClient;
    
    @Autowired
    private DiscoveryClient discoveryClient;

    @GetMapping("/simple/{id}")
    public User findById(@PathVariable Long id) {
        return this.userRepository.findOne(id);
    }
    
    @GetMapping("/eureka-instance")//需要配置actual
    public String serviceUrl(){
        InstanceInfo instance = this.eurekaClient.getNextServerFromEureka("MICROSERVICE-PROVIDER-USER", false);
        return instance.getHomePageUrl();
    }
    @GetMapping("/eureka-info")//需要配置actual
    public ServiceInstance showInfo(){
        ServiceInstance localServiceInstance=this.discoveryClient.getLocalServiceInstance();
        return localServiceInstance;
    }
}

server:
  port: 7900
spring:
  jpa:#jpa
    generate-ddl: false
    show-sql: true
    hibernate:
      ddl-auto: none
  datasource:#h2
    platform: h2
    schema: classpath:schema.sql
    data: classpath:data.sql
  application:
    name: user
logging:#log
  level:
    root: INFO
    org.hibernate: INFO
    org.hibernate.type.descriptor.sql.BasicBinder: TRACE
    org.hibernate.type.descriptor.sql.BasicExtractor: TRACE
    com.itmuch: DEBUG
eureka:#eureka
  client:
    serviceUrl:
      defaultZone: http://user:password123@localhost:8761/eureka/
  instance:
    prefer-ip-address: true #是否使用ip
    instance-id:  ${spring.application.name}:${spring.application.instance_id:${server.port}}#自定义instance-id

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
        </dependency>
        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
            <artifactId>xstream</artifactId>
            <version>1.4.10</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
    </dependencies>

 

<?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>com.cc.cloud</groupId>
    <artifactId>cloud</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <modules>
        <module>user</module>
        <module>eureka</module>
    </modules>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.3.RELEASE</version>
    </parent>
    
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Dalston.SR4</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>


    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>