要将AWS X-Ray配置为不跟踪特定的端点,您可以使用AWS X-Ray SDK提供的过滤器功能。下面是一个示例代码,它演示了如何配置AWS X-Ray SDK以排除特定的端点:
import com.amazonaws.xray.AWSXRay;
import com.amazonaws.xray.entities.Entity;
import com.amazonaws.xray.entities.Subsegment;
import com.amazonaws.xray.entities.TraceID;
import com.amazonaws.xray.strategy.sampling.DefaultSamplingStrategy;
import com.amazonaws.xray.strategy.sampling.SamplingRequest;
import com.amazonaws.xray.strategy.sampling.SamplingResponse;
import com.amazonaws.xray.strategy.sampling.SamplingStrategy;
public class ExcludeEndpointFilter implements SamplingStrategy {
private final String excludedEndpoint;
public ExcludeEndpointFilter(String excludedEndpoint) {
this.excludedEndpoint = excludedEndpoint;
}
@Override
public SamplingResponse shouldTrace(SamplingRequest samplingRequest) {
String url = samplingRequest.getMatchedRule().getHttp().getUrl();
if (url != null && url.startsWith(excludedEndpoint)) {
return new SamplingResponse(SamplingStrategy.NO_SAMPLING_RULE_NAME, SamplingStrategy.SAMPLED);
} else {
return new SamplingResponse(SamplingStrategy.DEFAULT_SAMPLING_RULE_NAME, SamplingStrategy.SAMPLED);
}
}
}
public class ExcludeEndpointSample {
public static void main(String[] args) {
// Initialize AWS X-Ray SDK
AWSXRay.beginSegment("MySegment");
// Configure AWS X-Ray SDK
ExcludeEndpointFilter filter = new ExcludeEndpointFilter("http://excluded-endpoint.com");
AWSXRay.getGlobalRecorder().setSamplingStrategy(new DefaultSamplingStrategy(filter));
// Start a subsegment for the excluded endpoint
Subsegment subsegment = AWSXRay.beginSubsegment("ExcludedEndpoint");
// Add metadata or other operations for the excluded endpoint subsegment
// End the subsegment and the segment
AWSXRay.endSubsegment();
AWSXRay.endSegment();
}
}
在上面的示例代码中,ExcludeEndpointFilter
类实现了SamplingStrategy
接口,用于配置AWS X-Ray SDK的采样策略。在shouldTrace
方法中,我们检查请求的URL是否以排除的端点开头。如果是,我们返回SamplingResponse
,指示不跟踪该请求。否则,我们返回默认的采样策略。
在main
方法中,我们初始化AWS X-Ray SDK,并使用ExcludeEndpointFilter
配置全局的采样策略。然后,我们创建一个名为"ExcludedEndpoint"的子段(Subsegment),并在该子段中执行需要排除的端点的操作。最后,我们结束子段和段。请注意,这只是一个示例,您需要根据自己的应用程序和需求进行适当的配置。