AL0064 - GenAI span missing required attributes

GenAI spans must include gen_ai.system, gen_ai.request.model, gen_ai.operation.name

Source: Al0064GenAiMissingRequiredAttributesAnalyzer.cs

Description

GenAI semantic conventions require spans to include gen_ai.system, gen_ai.request.model, and gen_ai.operation.name attributes for proper observability.

Bad Code

using var activity = source.StartActivity("chat");
activity?.SetTag("gen_ai.system", "openai");
// Missing gen_ai.request.model and gen_ai.operation.name

Good Code

using var activity = source.StartActivity("chat");
activity?.SetTag("gen_ai.system", "openai");
activity?.SetTag("gen_ai.request.model", "gpt-4");
activity?.SetTag("gen_ai.operation.name", "chat");

Properties

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

Configuration

dotnet_diagnostic.AL0064.severity = warning