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微服务SpringCloud开弓之Zookeeper服务注册与发现《四》

目录

      • SpringCloud整合Zookeeper替代Eureka
        • 1、注册中心Zookeeper
        • 2、服务提供者
        • 3、服务消费者

Eureka停止更新了

地址

SpringCloud整合Zookeeper替代Eureka

1、注册中心Zookeeper

  • 关闭Linux服务器防火墙后启动Zookeeper服务器 
    //临时关闭
service iptables stop
//禁止开机启动
chkconfig iptables off
  • Zookeeper服务器取代Eureka服务器,zk作为服务注册中心

2、服务提供者

1、新建cloud-provider-payment8004

2、POM

spring-cloud-starter-zookeeper-discovery

</parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-provider-payment8004</artifactId>
    <description>Zookeeper服务提供者</description>

    <dependencies>
        <dependency>
            <groupId>com.atguigu.springcloud</groupId>
            <artifactId>cloud-api-common</artifactId>
            <version>${project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--SpringBoot整合Zookeeper客户端-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
</project>

3、YML

server:
  # 8004表示注册到zookeeper服务器的支付服务提供者端口号
  port: 8004
spring:
  application:
    # 服务别名---注册zookeeper到注册中心的名称
    name: cloud-provider-payment
  cloud:
    zookeeper:
      # 默认localhost:2181
      connect-string: localhost:2181

4、主启动类

@SpringBootApplication
@EnableDiscoveryClient
public class PaymentMain8004 {
    public static void main(String[] args) {
        SpringApplication.run(PaymentMain8004.class,args);
    }
}

5、Controller

@RestController
@Slf4j
public class PaymentController {

    @Value("${server.port}")
    private  String   serverPort;

    @RequestMapping(value = "payment/zk")
    public String paymentZk() {
        return "SpringCloud with zookeeper:" + serverPort + "\t" + UUID.randomUUID().toString();
    }
}

6、启动8004注册进zookeeper zkServer.sh start

  • 报错
微服务SpringCloud开弓之Zookeeper服务注册与发现《四》
  • 原因

解决zookeeper版本jar包冲突问题

  • 重新弄Pom文件 
<dependencies>
        <dependency>
            <groupId>com.atguigu.springcloud</groupId>
            <artifactId>cloud-api-common</artifactId>
            <version>${project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--SpringBoot整合Zookeeper客户端-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
            <exclusions>
                <!--先排除自带的zookeeper3.5.3-->
                <exclusion>
                    <groupId>org.apache.zookeeper</groupId>
                    <artifactId>zookeeper</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!--添加zookeeper3.4.9版本-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.4.9</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

  • 验证

    http://localhost:8004/payment/zk

json解析工具地址

微服务SpringCloud开弓之Zookeeper服务注册与发现《四》
{
  "name": "cloud-provider-payment",
  "id": "6c79f953-21dd-4d45-9dc4-d4e05faaf1de",
  "address": "localhost",
  "port": 8004,
  "sslPort": null,
  "payload": {
    "@class": "org.springframework.cloud.zookeeper.discove.ZookeeperInstance",
    "id": "application-1",
    "name": "cloud-provider-payment",
    "metadata": {}
  },
  "registrationTimeUTC": 1586592028753,
  "serviceType": "DYNAMIC",
  "uriSpec": {
    "parts": [
      {
        "value": "scheme",
        "variable": true
      },
      {
        "value": "://",
        "variable": false
      },
      {
        "value": "address",
        "variable": true
      },
      {
        "value": ":",
        "variable": false
      },
      {
        "value": "port",
        "variable": true
      }
    ]
  }
}

服务节点是临时节点

3、服务消费者

  • 新建cloud-consumerzk-order80
  • POM 
    <dependencies>
        <dependency>
            <groupId>com.atguigu.springcloud</groupId>
            <artifactId>cloud-api-common</artifactId>
            <version>${project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--SpringBoot整合Zookeeper客户端-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
            <exclusions>
                <!--先排除自带的zookeeper3.5.3-->
                <exclusion>
                    <groupId>org.apache.zookeeper</groupId>
                    <artifactId>zookeeper</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!--添加zookeeper3.4.9版本-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.4.10</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
  • YML 
    server:
  port: 80
spring:
  application:
    # 服务别名
    name: cloud-consumer-order
  cloud:
    zookeeper:
      # 注册到zookeeper地址
      connect-string: 192.168.149.103:2181
  • 主启动 
    @SpringBootApplication
@EnableDiscoveryClient
public class OrderZkMain80 {
    public static void main(String[] args) {
        SpringApplication.run(OrderZkMain80.class, args);
    }
}

  • 业务类

    1、配置been

    @Configuration
public class ApplicationContextConfig {
    @Bean
    @LoadBalanced
    public RestTemplate getRestTemplate() {
        return new RestTemplate();
    }
}
    2、controller 
    @RestController
@Slf4j
public class OrderZkController {
    public static final String INVOKE_URL = "http://cloud-provider-payment";
    @Resource
    private RestTemplate restTemplate;
    /**
     * http://localhost/consumer/payment/zk
     *
     * @return
     */
    @GetMapping("/consumer/payment/zk")
    public String paymentInfo() {
        return restTemplate.getForObject(INVOKE_URL + "/payment/zk", String.class);
    }
}
  • 验证测试
    微服务SpringCloud开弓之Zookeeper服务注册与发现《四》
    微服务SpringCloud开弓之Zookeeper服务注册与发现《四》
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