label length limitation

controllers/constant/constant.go

@@ -34,8 +34,8 @@ const (
 	//InternalOpreqLabel is the label used label the OperandRequest internally created by ODLM
 	OperandOnlyLabel string = "operator.ibm.com/operand-only"
 
-	//ODLMReferenceLabel is the label used to label the resources used for ODLM operand value reference
-	ODLMReferenceLabel string = "operator.ibm.com/referenced-by-odlm-resource"
+	//ODLMReferenceAnnotation is the annotation used to annotate the resources used for ODLM operand value reference
+	ODLMReferenceAnnotation string = "operator.ibm.com/referenced-by-odlm-resource"
 
 	//ODLMWatchedLabel is the label used to label the resources watched by ODLM for value reference
 	ODLMWatchedLabel string = "operator.ibm.com/watched-by-odlm"

controllers/operandrequest/operandrequest_controller.go

@@ -322,11 +322,11 @@ func (r *Reconciler) getConfigToRequestMapper() handler.MapFunc {
 func (r *Reconciler) getReferenceToRequestMapper() handler.MapFunc {
 	ctx := context.Background()
 	return func(object client.Object) []ctrl.Request {
-		labels := object.GetLabels()
-		if labels == nil {
+		annotations := object.GetAnnotations()
+		if annotations == nil {
 			return []ctrl.Request{}
 		}
-		odlmReference, ok := labels[constant.ODLMReferenceLabel]
+		odlmReference, ok := annotations[constant.ODLMReferenceAnnotation]
 		if !ok {
 			return []ctrl.Request{}
 		}

controllers/operator/manager.go

@@ -473,22 +473,24 @@ func (m *ODLMOperator) GetClusterServiceVersionList(ctx context.Context, sub *ol
 
 	packageName := sub.Spec.Package
 	csvNamespace := sub.Namespace
+	labelKey := packageName + "." + csvNamespace
+	labelKey = util.GetFirstNCharacter(labelKey, 63)
 
 	// Get the ClusterServiceVersion list with label operators.coreos.com/packageName.csvNamespace=''
 	csvList := &olmv1alpha1.ClusterServiceVersionList{}
 	opts := []client.ListOption{
-		client.MatchingLabels{fmt.Sprintf("operators.coreos.com/%s.%s", packageName, csvNamespace): ""},
+		client.MatchingLabels{fmt.Sprintf("operators.coreos.com/%s", labelKey): ""},
 		client.InNamespace(csvNamespace),
 	}
 
 	if err := m.Reader.List(ctx, csvList, opts...); err != nil {
 		if apierrors.IsNotFound(err) || len(csvList.Items) == 0 {
-			klog.V(3).Infof("No ClusterServiceVersion found with label operators.coreos.com/%s.%s", packageName, csvNamespace)
+			klog.V(3).Infof("No ClusterServiceVersion found with label operators.coreos.com/%s", labelKey)
 			return nil, nil
 		}
-		return nil, errors.Wrapf(err, "failed to list ClusterServiceVersions with label operators.coreos.com/%s.%s", packageName, csvNamespace)
+		return nil, errors.Wrapf(err, "failed to list ClusterServiceVersions with label operators.coreos.com/%s", labelKey)
 	} else if len(csvList.Items) > 1 {
-		klog.Warningf("Multiple ClusterServiceVersions found with label operators.coreos.com/%s.%s", packageName, csvNamespace)
+		klog.Warningf("Multiple ClusterServiceVersions found with label operators.coreos.com/%s", labelKey)
 	}
 
 	var csvs []*olmv1alpha1.ClusterServiceVersion
@@ -836,8 +838,11 @@ func (m *ODLMOperator) GetValueRefFromConfigMap(ctx context.Context, instanceTyp
 
 	// Set the Value Reference label for the ConfigMap
 	util.EnsureLabelsForConfigMap(cm, map[string]string{
-		constant.ODLMReferenceLabel: instanceType + "." + instanceNs + "." + instanceName,
-		constant.ODLMWatchedLabel:   "true",
+		constant.ODLMWatchedLabel: "true",
+	})
+	// Set the Value Reference Annotation for the ConfigMap
+	util.EnsureAnnotationForConfigMap(cm, map[string]string{
+		constant.ODLMReferenceAnnotation: instanceType + "." + instanceNs + "." + instanceName,
 	})
 	// Update the ConfigMap with the Value Reference label
 	if err := m.Update(ctx, cm); err != nil {
@@ -865,8 +870,11 @@ func (m *ODLMOperator) GetValueRefFromSecret(ctx context.Context, instanceType,
 
 	// Set the Value Reference label for the Secret
 	util.EnsureLabelsForSecret(secret, map[string]string{
-		constant.ODLMReferenceLabel: instanceType + "." + instanceNs + "." + instanceName,
-		constant.ODLMWatchedLabel:   "true",
+		constant.ODLMWatchedLabel: "true",
+	})
+	// Set the Value Reference Annotation for the Secret
+	util.EnsureAnnotationsForSecret(secret, map[string]string{
+		constant.ODLMReferenceAnnotation: instanceType + "." + instanceNs + "." + instanceName,
 	})
 	// Update the Secret with the Value Reference label
 	if err := m.Update(ctx, secret); err != nil {
@@ -896,8 +904,11 @@ func (m *ODLMOperator) GetValueRefFromObject(ctx context.Context, instanceType,
 
 	// Set the Value Reference label for the object
 	m.EnsureLabel(obj, map[string]string{
-		constant.ODLMReferenceLabel: instanceType + "." + instanceNs + "." + instanceName,
-		constant.ODLMWatchedLabel:   "true",
+		constant.ODLMWatchedLabel: "true",
+	})
+	// Set the Value Reference Annotation for the Secret
+	m.EnsureAnnotation(obj, map[string]string{
+		constant.ODLMReferenceAnnotation: instanceType + "." + instanceNs + "." + instanceName,
 	})
 	// Update the object with the Value Reference label
 	if err := m.Update(ctx, &obj); err != nil {

controllers/util/util.go

@@ -302,6 +302,15 @@ func EnsureLabelsForSecret(secret *corev1.Secret, labels map[string]string) {
 	}
 }
 
+func EnsureAnnotationsForSecret(secret *corev1.Secret, annotatinos map[string]string) {
+	if secret.Annotations == nil {
+		secret.Annotations = make(map[string]string)
+	}
+	for k, v := range annotatinos {
+		secret.Annotations[k] = v
+	}
+}
+
 func EnsureLabelsForConfigMap(cm *corev1.ConfigMap, labels map[string]string) {
 	if cm.Labels == nil {
 		cm.Labels = make(map[string]string)
@@ -311,6 +320,15 @@ func EnsureLabelsForConfigMap(cm *corev1.ConfigMap, labels map[string]string) {
 	}
 }
 
+func EnsureAnnotationForConfigMap(cm *corev1.ConfigMap, annotations map[string]string) {
+	if cm.Annotations == nil {
+		cm.Annotations = make(map[string]string)
+	}
+	for k, v := range annotations {
+		cm.Labels[k] = v
+	}
+}
+
 func EnsureLabelsForRoute(r *ocproute.Route, labels map[string]string) {
 	if r.Labels == nil {
 		r.Labels = make(map[string]string)
@@ -525,3 +543,10 @@ func addField(obj map[string]interface{}, fields []string, value interface{}) {
 	// Add the value to the map
 	addField(obj[fields[0]].(map[string]interface{}), fields[1:], value)
 }
+
+func GetFirstNCharacter(str string, n int) string {
+	if n >= len(str) {
+		return str
+	}
+	return str[:n]
+}