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.NET: Workflow observability (#959)

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* Add basic Workflow telemetry

* Add sample

* Add source propagation for executor spans

* Fix tests and address comments

* Fix formatting

* Fix declarative unit tests

* Address comments

* Remove Microsoft.Extensions.AI.Agents.EnableTelemetry

* Formatting

* Formatting

* Formatting

* fix solution

* Address comments

* Add workflow json definition for serialization

* Formmating

* Address comments
This commit is contained in:
Tao Chen
2025-09-30 23:40:04 +00:00
committed by GitHub
parent 2539282d30
commit 042099009f
29 changed files with 598 additions and 72 deletions
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dotnet/src/Microsoft.Agents.AI.Workflows/Executor.cs
+10
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@@ -8,6 +8,7 @@ using System.Threading;
using System.Threading.Tasks;
using Microsoft.Agents.AI.Workflows.Checkpointing;
using Microsoft.Agents.AI.Workflows.Execution;
using Microsoft.Agents.AI.Workflows.Observability;
using Microsoft.Agents.AI.Workflows.Reflection;
namespace Microsoft.Agents.AI.Workflows;
@@ -25,6 +26,9 @@ public abstract class Executor : IIdentified
private readonly ExecutorOptions _options;
private static readonly string s_namespace = typeof(Executor).Namespace!;
private static readonly ActivitySource s_activitySource = new(s_namespace);
/// <summary>
/// Initialize the executor with a unique identifier
/// </summary>
@@ -88,6 +92,12 @@ public abstract class Executor : IIdentified
/// <exception cref="TargetInvocationException">An exception is generated while handling the message.</exception>
public async ValueTask<object?> ExecuteAsync(object message, TypeId messageType, IWorkflowContext context)
{
using var activity = s_activitySource.StartActivity(ActivityNames.ExecutorProcess, ActivityKind.Internal);
activity?.SetTag(Tags.ExecutorId, this.Id)
.SetTag(Tags.ExecutorType, this.GetType().FullName)
.SetTag(Tags.MessageType, messageType.TypeName)
.CreateSourceLinks(context.TraceContext);
await context.AddEventAsync(new ExecutorInvokedEvent(this.Id, message)).ConfigureAwait(false);
CallResult? result = await this.Router.RouteMessageAsync(message, context, requireRoute: true)