opentelemetry-dotnet/docs/trace/customizing-the-sdk/Program.cs

77 lines
2.7 KiB
C#

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
using System.Diagnostics;
using OpenTelemetry;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
namespace CustomizingTheSdk;
internal static class Program
{
private static readonly ActivitySource MyLibraryActivitySource = new(
"MyCompany.MyProduct.MyLibrary");
private static readonly ActivitySource ComponentAActivitySource = new(
"AbcCompany.XyzProduct.ComponentA");
private static readonly ActivitySource ComponentBActivitySource = new(
"AbcCompany.XyzProduct.ComponentB");
private static readonly ActivitySource SomeOtherActivitySource = new(
"SomeCompany.SomeProduct.SomeComponent");
public static void Main()
{
var tracerProvider = Sdk.CreateTracerProviderBuilder()
// The following adds subscription to activities from Activity Source
// named "MyCompany.MyProduct.MyLibrary" only.
.AddSource("MyCompany.MyProduct.MyLibrary")
// The following adds subscription to activities from all Activity Sources
// whose name starts with "AbcCompany.XyzProduct.".
.AddSource("AbcCompany.XyzProduct.*")
.ConfigureResource(resource => resource.AddAttributes(new List<KeyValuePair<string, object>>
{
new KeyValuePair<string, object>("static-attribute1", "v1"),
new KeyValuePair<string, object>("static-attribute2", "v2"),
}))
.ConfigureResource(resource => resource.AddService("MyServiceName"))
.AddConsoleExporter()
.Build();
// This activity source is enabled.
using (var activity = MyLibraryActivitySource.StartActivity("SayHello"))
{
activity?.SetTag("foo", 1);
activity?.SetTag("bar", "Hello, World!");
}
// This activity source is enabled through wild card "AbcCompany.XyzProduct.*"
using (var activity = ComponentAActivitySource.StartActivity("SayHello"))
{
activity?.SetTag("foo", 1);
activity?.SetTag("bar", "Hello, World!");
}
// This activity source is enabled through wild card "AbcCompany.XyzProduct.*"
using (var activity = ComponentBActivitySource.StartActivity("SayHello"))
{
activity?.SetTag("foo", 1);
activity?.SetTag("bar", "Hello, World!");
}
// This activity source is not enabled, so activity will
// be null here.
using (var activity = SomeOtherActivitySource.StartActivity("SayHello"))
{
activity?.SetTag("foo", 1);
activity?.SetTag("bar", "Hello, World!");
}
tracerProvider.Dispose();
}
}