AL0061 - Activity/Span missing semantic convention attributes

Spans should include semantic convention attributes for observability

Source: Al0061ActivityMissingSemconvAnalyzer.cs

Description

Activities (spans) should include OpenTelemetry semantic convention attributes to ensure consistent observability across services.

Bad Code

using var activity = source.StartActivity("ProcessOrder");
activity?.SetTag("order", orderId); // non-standard attribute name

Good Code

using var activity = source.StartActivity("ProcessOrder");
activity?.SetTag("enduser.id", userId);
activity?.SetTag("order.id", orderId);

Properties

• Category: OpenTelemetry
• Severity: Warning
• Enabled by default: True
• Code fix available: False

Configuration

dotnet_diagnostic.AL0061.severity = warning