SpringCloud Sleuth分布式請求鏈路追蹤

問題：

 

 

 是什么？

 

zipkin:

 

 

 

搭建鏈路監控的步驟：

 

 

 

 

 

 

 

服務提供者8001和服務消費者80的搭建

pom:

<?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">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>com.atguigu.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-provider-payment8001</artifactId>

    <dependencies>
        <!--包含了sleuth+zipkin-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</artifactId>
        </dependency>
        <!--eureka-client-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <!--引入自己定義的api通用包，可以使用Payment支付Entity-->
        <dependency>
            <groupId>com.atguigu.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>${project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.10</version>
        </dependency>
        <!--mysql-connector-java-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</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>

YML；

server:
  port: 8001

spring:
  application:
    name: cloud-provider-service

  datasource:
    type: com.alibaba.druid.pool.DruidDataSource      #當前數據源操作類型
    driver-class-name: org.gjt.mm.mysql.Driver        #mysql驅動包
    url: jdbc:mysql://localhost:3306/db2019?useUnicode=true&characterEncoding-utr-8&useSSL=false
    username: root
    password: root

 zipkin: base-url: http://localhost:9411 sleuth: sampler: probability: 1 #采樣率值介於θ到1之間，1則表示全部來集

eureka:
  client:
    #表示是否將自己注冊進EurekaServer默認為true
    register-with-eureka: true
    #是否從EurekaServer抓取已有的注冊信息，默認為true。單節點無所謂，集群必須設置為true才能配合ribbon使用負載均衡
    fetch-registry: true
    service-url:
      defaultZone: http://localhost:7001/eureka #單機版
      #defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eureka  #集群版
  instance:
    instance-id: payment8001
    prefer-ip-address: true #訪問路徑可以顯示IP地址
    #Eureka客戶端向服務端發送心跳的時間間隔，單位為秒（默認是30秒）
    #lease-renewal-interval-in-seconds: 1
    #Eurekaf服務端在收到最后一次心跳后等待時間上限，單位為秒（默認是90秒），超時將剔除服務
    #lease-expiration-duration-in-seconds: 2


mybatis:
    mapper-locations: classpath:mapper/*.xml
    type-aliases-package: com.atguigu.springcloud.entities       #所有Entity別名類所在包

 

 

 結果：