增加 spring cloud sleuth 链路追踪

labx-13/labx-13-sc-sleuth-db-mongodb/pom.xml

@@ -0,0 +1,78 @@
+<?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>labx-13</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>labx-13-sc-sleuth-db-mongodb</artifactId>
+
+    <properties>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <spring.boot.version>2.2.4.RELEASE</spring.boot.version>
+        <spring.cloud.version>Hoxton.SR1</spring.cloud.version>
+    </properties>
+
+    <!--
+        引入 Spring Boot、Spring Cloud、Spring Cloud Alibaba 三者 BOM 文件，进行依赖版本的管理，防止不兼容。
+        在 https://dwz.cn/mcLIfNKt 文章中，Spring Cloud Alibaba 开发团队推荐了三者的依赖关系
+     -->
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</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>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- 引入 SpringMVC 相关依赖，并实现对其的自动配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- 自动化配置 Spring Data Mongodb -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb</artifactId>
+        </dependency>
+
+        <!-- 引入 Spring Cloud Sleuth + Zipkin 相关依赖，实现对它们的自动配置，从而实现链路追踪 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zipkin</artifactId>
+        </dependency>
+
+        <!--  Brave 对 Opentracing 的实现 -->
+        <dependency>
+            <groupId>io.opentracing.brave</groupId>
+            <artifactId>brave-opentracing</artifactId>
+            <version>0.35.0</version>
+        </dependency>
+
+        <!-- Opentracing 对 MongoDB 的支持 -->
+        <dependency>
+            <groupId>io.opentracing.contrib</groupId>
+            <artifactId>opentracing-mongo-driver</artifactId>
+            <version>0.1.5</version>
+        </dependency>
+    </dependencies>
+
+</project>

labx-13/labx-13-sc-sleuth-db-mongodb/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/UserServiceApplication.java

@@ -0,0 +1,13 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UserServiceApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(UserServiceApplication.class, args);
+    }
+
+}

labx-13/labx-13-sc-sleuth-db-mongodb/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/config/SleuthConfiguration.java

@@ -0,0 +1,22 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo.config;
+
+import com.mongodb.MongoClientOptions;
+import io.opentracing.Tracer;
+import io.opentracing.contrib.mongo.common.TracingCommandListener;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SleuthConfiguration {
+
+    // ==================== MongoDB 相关 ====================
+
+    @Bean
+    public MongoClientOptions mongoClientOptions(Tracer tracer) {
+        // 创建 TracingCommandListener 对象
+        TracingCommandListener listener = new TracingCommandListener.Builder(tracer).build();
+        // 创建 MongoClientOptions 对象，并设置监听器
+        return MongoClientOptions.builder().addCommandListener(listener).build();
+    }
+
+}

labx-13/labx-13-sc-sleuth-db-mongodb/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/controller/UserController.java

@@ -0,0 +1,30 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo.controller;
+
+import cn.iocoder.springcloud.labx13.springmvcdemo.dataobject.UserDO;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/user")
+public class UserController {
+
+    @Autowired
+    private MongoTemplate mongoTemplate;
+
+    @GetMapping("/get")
+    public String get(@RequestParam("id") Integer id) {
+        this.findById(1);
+        return "success";
+    }
+
+    public UserDO findById(Integer id) {
+        return mongoTemplate.findOne(new Query(Criteria.where("_id").is(id)), UserDO.class);
+    }
+
+}

labx-13/labx-13-sc-sleuth-db-mongodb/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/dataobject/UserDO.java

@@ -0,0 +1,39 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo.dataobject;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+import java.util.Date;
+
+/**
+ * 用户 DO
+ */
+@Document(collection = "User")
+public class UserDO {
+
+    @Id
+    private Integer id;
+    /**
+     * 账号
+     */
+    private String username;
+    /**
+     * 密码
+     */
+    private String password;
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    @Override
+    public String toString() {
+        return "UserDO{" +
+                "id=" + id +
+                ", username='" + username + '\'' +
+                ", password='" + password + '\'' +
+                ", createTime=" + createTime +
+                '}';
+    }
+
+}

labx-13/labx-13-sc-sleuth-db-mongodb/src/main/resources/application.yml

@@ -0,0 +1,23 @@
+spring:
+  application:
+    name: user-service # 服务名
+
+  # Zipkin 配置项，对应 ZipkinProperties 类
+  zipkin:
+    base-url: http://127.0.0.1:9411 # Zipkin 服务的地址
+
+  # Spring Cloud Sleuth 配置项
+  sleuth:
+    # Spring Cloud Sleuth 针对 Web 组件的配置项，例如说 SpringMVC
+    web:
+      enabled: true # 是否开启，默认为 true
+
+  data:
+    # MongoDB 配置项，对应 MongoProperties 类
+    mongodb:
+      host: 127.0.0.1
+      port: 27017
+      database: yourdatabase
+      username: test01
+      password: password01
+      # 上述属性，也可以只配置 uri

labx-13/labx-13-sc-sleuth-db-redis/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/config/ZipkinConfiguration.java → labx-13/labx-13-sc-sleuth-db-redis/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/config/SleuthConfiguration.java

@@ -10,7 +10,7 @@
 import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
 
 @Configuration
-public class ZipkinConfiguration {
+public class SleuthConfiguration {
 
     // ==================== Redis 相关 ====================
     @Bean

labx-13/pom.xml

@@ -21,6 +21,7 @@
 
         <module>labx-13-sc-sleuth-db-mysql</module>
         <module>labx-13-sc-sleuth-db-redis</module>
+        <module>labx-13-sc-sleuth-db-mongodb</module>
     </modules>