SpringCloud入门系列之服务链路追踪Sleuth&Zipkin

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发布于 2022-09-13 15:19:58

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发布于 2022-09-13 15:19:58

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服务链路追踪Sleuth&Zipkin

一、链路追踪 Sleuth

1.1、Spring Cloud Sleuth 优点

Spring Cloud Sleuth为服务之间调用提供链路跟踪 Spring Cloud Sleuth通过日志提供链路跟踪数据 Sleuth遵循OpenTracing的规范，实现跨平台特性

1.2、Sleuth数据格式

1.3、整合步骤

pom.xml中添加依赖

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.15.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.codesofun</groupId>
    <artifactId>a-service</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>a-service</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR6</spring-cloud.version>
    </properties>

    <dependencies>
        <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-client</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--Zipkin客户端-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </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>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

启动类上增加@EnableEurekaClient

package com.codesofun.aservice;

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

@SpringBootApplication
@EnableEurekaClient
public class AServiceApplication {

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

application.properties添加配置

server.port=8001
eureka.client.service-url.defaultZone=http://localhost:8761/eureka/
spring.application.name=a-service
#设置zipkin服务端地址
spring.zipkin.base-url=http://localhost:9411
#采样率是采集trace的比率，默认0.1,例：10000条请求中有效为1000
spring.sleuth.sampler.probability=1.0
#最多每秒最多可生成多少trace条数据
spring.sleuth.sampler.rate=10000

二、Zipkin 分布式链路追踪系统

2.1、优点

Zipkin用于收集Sleuth产生的跟踪日志 Zipkin采用可视化方式提供对链路跟踪的分析与展现 Zipkin采用C/S(客户端与服务端)模式，需单独服务

备注：zipkin 服务端，可以直接前往官网https://zipkin.io/下载jar包运行。当然也可以整合在spring cloud中（常见）

2.2、整合

pom.xml 添加依赖

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.15.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.codesofun</groupId>
    <artifactId>zipkin-server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>zipkin-server</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR6</spring-cloud.version>
    </properties>

    <dependencies>
        <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>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--ZIPKIN-SERVER 服务端-->
        <dependency>
            <groupId>io.zipkin.java</groupId>
            <artifactId>zipkin-server</artifactId>
            <version>2.11.8</version>
        </dependency>
        <dependency>
            <groupId>io.zipkin.java</groupId>
            <artifactId>zipkin-autoconfigure-ui</artifactId>
            <version>2.11.8</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>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

启动类上增加注解@EnableZipkinServer 、@EnableEurekaClient

package com.codesofun.zipkinserver;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import zipkin2.server.internal.EnableZipkinServer;

@SpringBootApplication
@EnableEurekaClient
@EnableZipkinServer
public class ZipkinServerApplication {

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

application.properties中添加配置

server.port=9411
eureka.client.service-url.defaultZone=http://localhost:8761/eureka/
spring.application.name=zipkin-service
#关闭监控项，解决zipkin与spring actuator监控项冲突问题
management.metrics.web.server.auto-time-requests=false

启动访问http://localhost:9411/,即可打开如下页面

完整案例

详细代码见仓库：https://gitee.com/xmlvhy/springcloud-learn 参考链接：http://www.itlaoqi.com/

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                                 本文标题：                                     [SpringCloud入门系列之服务链路追踪Sleuth&Zipkin](https://www.xmlvhy.com/article/detail/93.html)

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