make selecting ARS easier by labelling them with the agent name

On-behalf-of: @SAP [email protected]

Author: xrstf

internal/controller/apiresourceschema/controller.go

@@ -210,6 +210,9 @@ func (r *Reconciler) createAPIResourceSchema(ctx context.Context, log *zap.Sugar
 		syncagentv1alpha1.SourceGenerationAnnotation: fmt.Sprintf("%d", projectedCRD.Generation),
 		syncagentv1alpha1.AgentNameAnnotation:        r.agentName,
 	}
+	ars.Labels = map[string]string{
+		syncagentv1alpha1.AgentNameLabel: r.agentName,
+	}
 	ars.Spec.Group = converted.Spec.Group
 	ars.Spec.Names = converted.Spec.Names
 	ars.Spec.Scope = converted.Spec.Scope

sdk/apis/syncagent/v1alpha1/types.go

@@ -20,6 +20,9 @@ const (
 	// AgentNameAnnotation records which Sync Agent has created an APIResourceSchema.
 	AgentNameAnnotation = "syncagent.kcp.io/agent-name"
 
+	// AgentNameLabel records which Sync Agent has created an APIResourceSchema.
+	AgentNameLabel = "syncagent.kcp.io/agent-name"
+
 	// SourceGenerationAnnotation is the annotation on APIResourceSchemas that tells us
 	// what generation of the CRD it was based on. This can be helpful in debugging,
 	// as ARS resources cannot be updated, i.e. changes to CRDs are not reflected in ARS.