feat: add labels from nri-winservices config as tags on UI. (#1989)

* feat: add labels from nri-winservices config  as tags on UI.

Author: abhishuraina

pkg/entity/register/worker.go

@@ -106,13 +106,23 @@ func (w *worker) Run(ctx context.Context) {
 		}
 	}
 }
+func updateEntityMetadata(entity *entity.Fields, labels map[string]string) {
+	if len(labels) > 0 {
+		for key, value := range labels {
+			entity.Metadata[key] = value
+		}
+	}
+}
 
 func (w *worker) send(ctx context.Context, batch map[entity.Key]fwrequest.EntityFwRequest, batchSizeBytes *int) {
 	defer w.resetBatch(batch, batchSizeBytes)
 
 	var entities []entity.Fields
 	for _, r := range batch {
-		entities = append(entities, r.Data.Entity)
+		entity := r.Data.Entity
+		// Add labels to Metadata
+		updateEntityMetadata(&entity, r.Definition.Labels)
+		entities = append(entities, entity)
 	}
 
 	responses := w.registerEntitiesWithRetry(ctx, entities)

pkg/entity/register/worker_test.go

@@ -566,3 +566,49 @@ func TestWorker_send_Logging_VerboseDisabled(t *testing.T) {
 
 	assert.Empty(t, hook.AllEntries())
 }
+func TestUpdateEntityMetadata(t *testing.T) {
+	t.Parallel()
+	expected := &entity.Fields{
+		Name:         "WIN_SERVICE:testWindows:newrelic-infra",
+		Type:         "WIN_SERVICE",
+		IDAttributes: nil,
+		DisplayName:  "New Relic Infrastructure Agent",
+		Metadata: map[string]interface{}{
+			"environment": "dev",
+			"backup":      "true",
+		},
+	}
+	labels := map[string]string{
+		"environment": "dev",
+		"backup":      "true",
+	}
+	entity := &entity.Fields{
+		Name:         "WIN_SERVICE:testWindows:newrelic-infra",
+		Type:         "WIN_SERVICE",
+		IDAttributes: nil,
+		DisplayName:  "New Relic Infrastructure Agent",
+		Metadata:     map[string]interface{}{},
+	}
+	updateEntityMetadata(entity, labels)
+	assert.Equal(t, expected, entity)
+}
+func TestUpdateEntityMetadata_NilLabels(t *testing.T) {
+	t.Parallel()
+	expected := &entity.Fields{
+		Name:         "WIN_SERVICE:testWindows:newrelic-infra",
+		Type:         "WIN_SERVICE",
+		IDAttributes: nil,
+		DisplayName:  "New Relic Infrastructure Agent",
+		Metadata:     map[string]interface{}{},
+	}
+	var labels map[string]string
+	entity := &entity.Fields{
+		Name:         "WIN_SERVICE:testWindows:newrelic-infra",
+		Type:         "WIN_SERVICE",
+		IDAttributes: nil,
+		DisplayName:  "New Relic Infrastructure Agent",
+		Metadata:     map[string]interface{}{},
+	}
+	updateEntityMetadata(entity, labels)
+	assert.Equal(t, expected, entity)
+}