public void TracerProviderSdkSamplerAttributesAreAppliedToActivity(SamplingDecision sampling)
{
var testSampler = new TestSampler();
testSampler.SamplingAction = (samplingParams) =>
{
var attributes = new Dictionary <string, object>();
attributes.Add("tagkeybysampler", "tagvalueaddedbysampler");
return(new SamplingResult(sampling, attributes));
};
using var activitySource = new ActivitySource(ActivitySourceName);
using var sdk = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource(ActivitySourceName)
.SetSampler(testSampler)
.Build();
using (var rootActivity = activitySource.StartActivity("root"))
{
Assert.NotNull(rootActivity);
Assert.Equal(rootActivity.TraceId, testSampler.LatestSamplingParameters.TraceId);
if (sampling != SamplingDecision.Drop)
{
Assert.Contains(new KeyValuePair <string, object>("tagkeybysampler", "tagvalueaddedbysampler"), rootActivity.TagObjects);
}
}
}
public void ZPagesExporter_CustomActivityProcessor()
{
const string ActivitySourceName = "zpages.test";
Guid requestId = Guid.NewGuid();
TestActivityProcessor testActivityProcessor = new TestActivityProcessor();
bool startCalled = false;
bool endCalled = false;
testActivityProcessor.StartAction =
(a) =>
{
startCalled = true;
};
testActivityProcessor.EndAction =
(a) =>
{
endCalled = true;
};
var openTelemetrySdk = OpenTelemetrySdk.CreateTracerProvider(b => b
.AddActivitySource(ActivitySourceName)
.UseZPagesExporter(
processorConfigure: p => p.AddProcessor((next) => testActivityProcessor)));
var source = new ActivitySource(ActivitySourceName);
var activity = source.StartActivity("Test Zipkin Activity");
activity?.Stop();
Assert.True(startCalled);
Assert.True(endCalled);
}
public OpenTelemetrySdkBenchmarksActivity()
{
// Not configuring pipeline, which will result in default NoOpActivityProcessor.
var openTel = OpenTelemetrySdk.EnableOpenTelemetry(
(builder) => builder.AddActivitySource("BenchMark")
);
}
public async Task HttpWebRequestInstrumentationInjectsHeadersAsync()
{
var activityProcessor = new Mock <BaseProcessor <Activity> >();
using var shutdownSignal = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddProcessor(activityProcessor.Object)
.AddHttpClientInstrumentation()
.Build();
var request = (HttpWebRequest)WebRequest.Create(this.url);
request.Method = "GET";
var parent = new Activity("parent")
.SetIdFormat(ActivityIdFormat.W3C)
.Start();
parent.TraceStateString = "k1=v1,k2=v2";
parent.ActivityTraceFlags = ActivityTraceFlags.Recorded;
using var response = await request.GetResponseAsync();
Assert.Equal(3, activityProcessor.Invocations.Count); // SetParentProvider/Begin/End called
var activity = (Activity)activityProcessor.Invocations[2].Arguments[0];
Assert.Equal(parent.TraceId, activity.Context.TraceId);
Assert.Equal(parent.SpanId, activity.ParentSpanId);
Assert.NotEqual(parent.SpanId, activity.Context.SpanId);
Assert.NotEqual(default, activity.Context.SpanId);
private static object RunWithActivitySource(string endpoint)
{
// Adding the OtlpExporter creates a GrpcChannel.
// This switch must be set before creating a GrpcChannel/HttpClient when calling an insecure gRPC service.
// See: https://docs.microsoft.com/aspnet/core/grpc/troubleshoot#call-insecure-grpc-services-with-net-core-client
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Enable OpenTelemetry for the sources "Samples.SampleServer" and "Samples.SampleClient"
// and use OTLP exporter.
using var openTelemetry = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource("Samples.SampleClient", "Samples.SampleServer")
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("otlp-test"))
.AddOtlpExporter(opt => opt.Endpoint = new Uri(endpoint))
.Build();
// The above line is required only in Applications
// which decide to use OpenTelemetry.
using (var sample = new InstrumentationWithActivitySource())
{
sample.Start();
System.Console.WriteLine("Traces are being created and exported" +
"to the OpenTelemetry Collector in the background. " +
"Press ENTER to stop.");
System.Console.ReadLine();
}
return(null);
}
private static object RunWithActivitySource()
{
// Enable OpenTelemetry for the sources "Samples.SampleServer" and "Samples.SampleClient"
// and use Console exporter.
using var openTelemetry = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource("Samples.SampleClient", "Samples.SampleServer")
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("console-test"))
.AddProcessor(new MyProcessor()) // This must be added before ConsoleExporter
.AddConsoleExporter()
.Build();
// The above line is required only in applications
// which decide to use OpenTelemetry.
using (var sample = new InstrumentationWithActivitySource())
{
sample.Start();
System.Console.WriteLine("Traces are being created and exported " +
"to Console in the background. " +
"Press ENTER to stop.");
System.Console.ReadLine();
}
return(null);
}
internal static object Run(OpenTelemetryShimOptions options)
{
// Enable OpenTelemetry for the source "MyCompany.MyProduct.MyWebServer"
// and use a single pipeline with a custom MyProcessor, and Console exporter.
using var tracerProvider = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource("MyCompany.MyProduct.MyWebServer")
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("MyServiceName"))
.AddConsoleExporter()
.Build();
// The above line is required only in applications
// which decide to use OpenTelemetry.
var tracer = TracerProvider.Default.GetTracer("MyCompany.MyProduct.MyWebServer");
using (var parentSpan = tracer.StartActiveSpan("parent span"))
{
parentSpan.SetAttribute("mystring", "value");
parentSpan.SetAttribute("myint", 100);
parentSpan.SetAttribute("mydouble", 101.089);
parentSpan.SetAttribute("mybool", true);
parentSpan.UpdateName("parent span new name");
var childSpan = tracer.StartSpan("child span");
childSpan.AddEvent("sample event").SetAttribute("ch", "value").SetAttribute("more", "attributes");
childSpan.SetStatus(Status.Ok);
childSpan.End();
}
System.Console.WriteLine("Press Enter key to exit.");
return(null);
}
internal static object Run(OpenTracingShimOptions options)
{
// Enable OpenTelemetry for the source "MyCompany.MyProduct.MyWebServer"
// and use Console exporter.
using var openTelemetry = OpenTelemetrySdk.EnableOpenTelemetry(
(builder) => builder.AddActivitySource("MyCompany.MyProduct.MyWebServer")
.SetResource(Resources.CreateServiceResource("MyServiceName"))
.UseConsoleExporter(opt => opt.DisplayAsJson = options.DisplayAsJson));
// The above line is required only in applications
// which decide to use OpenTelemetry.
// Following shows how to use the OpenTracing shim
var tracer = new TracerShim(TracerProvider.GetTracer("MyCompany.MyProduct.MyWebServer"), new TraceContextFormat());
using (IScope parentScope = tracer.BuildSpan("Parent").StartActive(finishSpanOnDispose: true))
{
parentScope.Span.SetTag("my", "value");
parentScope.Span.SetOperationName("parent span new name");
// The child scope will automatically use parentScope as its parent.
using (IScope childScope = tracer.BuildSpan("Child").StartActive(finishSpanOnDispose: true))
{
childScope.Span.SetTag("Child Tag", "Child Tag Value").SetTag("ch", "value").SetTag("more", "attributes");
}
}
System.Console.WriteLine("Press Enter key to exit.");
return(null);
}
public void EnumerateLinksNonempty()
{
using var openTelemetrySdk = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource(ActivitySourceName)
.Build();
var links = new[]
public TraceShimBenchmarks()
{
Activity.DefaultIdFormat = ActivityIdFormat.W3C;
OpenTelemetrySdk.CreateTracerProviderBuilder()
.SetSampler(new AlwaysOnSampler())
.AddSource("Benchmark.OneProcessor")
.AddProcessor(new DummyActivityProcessor())
.Build();
OpenTelemetrySdk.CreateTracerProviderBuilder()
.SetSampler(new AlwaysOnSampler())
.AddSource("Benchmark.TwoProcessors")
.AddProcessor(new DummyActivityProcessor())
.AddProcessor(new DummyActivityProcessor())
.Build();
OpenTelemetrySdk.CreateTracerProviderBuilder()
.SetSampler(new AlwaysOnSampler())
.AddSource("Benchmark.ThreeProcessors")
.AddProcessor(new DummyActivityProcessor())
.AddProcessor(new DummyActivityProcessor())
.AddProcessor(new DummyActivityProcessor())
.Build();
}
public void ExportResultIsSuccess()
{
#if NETCOREAPP3_1
// Adding the OtlpExporter creates a GrpcChannel.
// This switch must be set before creating a GrpcChannel/HttpClient when calling an insecure gRPC service.
// See: https://docs.microsoft.com/aspnet/core/grpc/troubleshoot#call-insecure-grpc-services-with-net-core-client
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
#endif
var exporterOptions = new OtlpExporterOptions
{
Endpoint = new System.Uri($"http://{CollectorEndpoint}"),
};
var otlpExporter = new OtlpTraceExporter(exporterOptions);
var delegatingExporter = new DelegatingTestExporter <Activity>(otlpExporter);
var exportActivityProcessor = new SimpleActivityExportProcessor(delegatingExporter);
var activitySourceName = "otlp.collector.test";
var builder = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource(activitySourceName)
.AddProcessor(exportActivityProcessor);
using var tracerProvider = builder.Build();
var source = new ActivitySource(activitySourceName);
var activity = source.StartActivity("Test Activity");
activity?.Stop();
Assert.Single(delegatingExporter.ExportResults);
Assert.Equal(ExportResult.Success, delegatingExporter.ExportResults[0]);
}
public void UseOpenTelemetryProtocolActivityExporterWithCustomActivityProcessor()
{
const string ActivitySourceName = "otlp.test";
TestActivityProcessor testActivityProcessor = new TestActivityProcessor();
bool startCalled = false;
bool endCalled = false;
testActivityProcessor.StartAction =
(a) =>
{
startCalled = true;
};
testActivityProcessor.EndAction =
(a) =>
{
endCalled = true;
};
var openTelemetrySdk = OpenTelemetrySdk.CreateTracerProvider(b => b
.AddActivitySource(ActivitySourceName)
.UseOtlpExporter(
null, p => p.AddProcessor((next) => testActivityProcessor)));
var source = new ActivitySource(ActivitySourceName);
var activity = source.StartActivity("Test Otlp Activity");
activity?.Stop();
Assert.True(startCalled);
Assert.True(endCalled);
}