【问题标题】:How can I send traces to Jaeger from C#?如何从 C# 向 Jaeger 发送跟踪信息?
【发布时间】:2020-10-13 20:38:13
【问题描述】:

我正在尝试使用 Jaeger 包从 C# 应用程序向 Jaeger 发送跟踪信息。

jaeger-client-csharp 文档中没有最小的示例,但根据我的阅读,我认为这应该可以。

using Jaeger;
using Jaeger.Samplers;

namespace jaegertest
{
    class Program
    {
        static void Main(string[] args)
        {
            var tracer = new Tracer.Builder("my-service")
                .WithSampler(new ConstSampler(true))
                .Build();

            using (var scope = tracer.BuildSpan("foo").StartActive(true))
            {
                System.Threading.Thread.Sleep(1000);
            }
        }
    }
}

我运行了 jaeger-all-in-one.exe,但是当我运行此代码时,没有任何新痕迹的迹象。我尝试手动配置采样器、发送器、报告器等,但我尝试过的没有任何效果。我需要添加什么才能让我的痕迹出现在 Jaeger 中?

【问题讨论】:

    标签: c# jaeger


    【解决方案1】:

    这是我能找到的最简单的工作示例。

    using Jaeger;
    using Jaeger.Reporters;
    using Jaeger.Samplers;
    using Jaeger.Senders.Thrift;
    
    namespace jaegertest
    {
        class Program
        {
            static void Main(string[] args)
            {
                var tracer = new Tracer.Builder("my-service")
                    .WithSampler(new ConstSampler(true))
                    .WithReporter(new RemoteReporter.Builder()
                        .WithSender(new UdpSender())
                        .Build())
                    .Build();
    
                using (var scope = tracer.BuildSpan("foo").StartActive(true))
                {
                    System.Threading.Thread.Sleep(1000);
                }
    
                tracer.Dispose();
            }
        }
    }
    

    这是一个更实际的示例,它从配置构建跟踪器。

    using Jaeger;
    using Jaeger.Samplers;
    using Jaeger.Senders;
    using Jaeger.Senders.Thrift;
    using Microsoft.Extensions.Logging;
    
    namespace jaegertest
    {
        class Program
        {
            static void Main(string[] args)
            {
                var loggerFactory = new LoggerFactory();
    
                var samplerConfiguration = new Configuration.SamplerConfiguration(loggerFactory)
                    .WithType(ConstSampler.Type)
                    .WithParam(1);
    
                var senderResolver = new SenderResolver(loggerFactory)
                    .RegisterSenderFactory<ThriftSenderFactory>();
    
                var senderConfiguration = new Configuration.SenderConfiguration(loggerFactory)
                    .WithSenderResolver(senderResolver);
    
                var reporterConfiguration = new Configuration.ReporterConfiguration(loggerFactory)
                    .WithSender(senderConfiguration)
                    .WithLogSpans(true);
    
                var tracer = (Tracer)new Configuration("my-service", loggerFactory)
                    .WithSampler(samplerConfiguration)
                    .WithReporter(reporterConfiguration)
                    .GetTracer();
    
                using (var scope = tracer.BuildSpan("foo").StartActive(true))
                {
                    System.Threading.Thread.Sleep(1000);
                }
    
                tracer.Dispose();
            }
        }
    }
    

    【讨论】:

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