springboot集成jaeger实例,多应用上下调用键代码实例
时间: 2024-04-22 10:26:24 浏览: 12
当您在多个Spring Boot应用程序之间集成Jaeger时,可以按照以下步骤进行实现:
1. 添加依赖:在每个应用程序的`pom.xml`文件中添加Jaeger客户端库的依赖项。例如:
```xml
<dependency>
<groupId>io.jaegertracing</groupId>
<artifactId>jaeger-client</artifactId>
<version>1.6.0</version>
</dependency>
```
2. 配置Jaeger:在每个应用程序的配置文件(如`application.properties`或`application.yml`)中添加Jaeger的配置。确保每个应用程序具有唯一的`service-name`。例如:
应用程序1的配置:
```yaml
# 应用程序1的Jaeger配置
jaeger:
service-name: application1
udp-sender:
host: localhost
port: 6831
```
应用程序2的配置:
```yaml
# 应用程序2的Jaeger配置
jaeger:
service-name: application2
udp-sender:
host: localhost
port: 6831
```
3. 创建Jaeger Tracer Bean:在每个应用程序的配置类中创建一个Jaeger Tracer Bean。例如:
应用程序1的配置类:
```java
import io.jaegertracing.Configuration;
import io.jaegertracing.internal.samplers.ConstSampler;
import io.opentracing.Tracer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class JaegerConfig {
@Bean
public Tracer jaegerTracer() {
Configuration.SamplerConfiguration samplerConfig = Configuration.SamplerConfiguration.fromEnv()
.withType(ConstSampler.TYPE)
.withParam(1);
Configuration.ReporterConfiguration reporterConfig = Configuration.ReporterConfiguration.fromEnv()
.withLogSpans(true);
Configuration config = new Configuration("application1")
.withSampler(samplerConfig)
.withReporter(reporterConfig);
return config.getTracer();
}
}
```
应用程序2的配置类:
```java
import io.jaegertracing.Configuration;
import io.jaegertracing.internal.samplers.ConstSampler;
import io.opentracing.Tracer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class JaegerConfig {
@Bean
public Tracer jaegerTracer() {
Configuration.SamplerConfiguration samplerConfig = Configuration.SamplerConfiguration.fromEnv()
.withType(ConstSampler.TYPE)
.withParam(1);
Configuration.ReporterConfiguration reporterConfig = Configuration.ReporterConfiguration.fromEnv()
.withLogSpans(true);
Configuration config = new Configuration("application2")
.withSampler(samplerConfig)
.withReporter(reporterConfig);
return config.getTracer();
}
}
```
4. 使用Jaeger Tracer:在每个应用程序中使用注入的Jaeger Tracer实例进行跟踪。例如,在控制器类或服务类中:
应用程序1的控制器类:
```java
import io.opentracing.Span;
import io.opentracing.Tracer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class MyController {
@Autowired
private Tracer tracer;
@GetMapping("/app1")
public String app1() {
Span span = tracer.buildSpan("app1Span").start();
// 执行您的业务逻辑
span.finish();
return "Application 1";
}
}
```
应用程序2的控制器类:
```java
import io.opentracing.Span;
import io.opentracing.Tracer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class MyController {
@Autowired
private Tracer tracer;
@GetMapping("/app2")
public String app2() {
Span span = tracer.buildSpan("app2Span").start();
// 执行您的业务逻辑
span.finish();
return "Application 2";
}
}
```
在每个应用程序中,您可以创建不同的Span来跟踪各自的业务逻辑。这样,当应用程序之间进行调用时,每个跟踪都会被记录下来。
希望这个示例对您有所帮助!如有任何其他问题,请随时提问。