use fields.SelectorFromSet

Author: agrevtsev

internal/kubernetes.go

@@ -12,6 +12,7 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/fields"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
@@ -123,9 +124,10 @@ func (exporter *Exporter) getWatchedSecrets(namespace string) ([]v1.Secret, erro
 	}
 
 	labelSelector := metav1.LabelSelector{MatchLabels: includedLabelsWithValue}
+	fieldSelector := fields.SelectorFromSet(fields.Set{"type": "kubernetes.io/tls"})
 	secrets, err := exporter.kubeClient.CoreV1().Secrets(namespace).List(context.Background(), metav1.ListOptions{
 		LabelSelector: labels.Set(labelSelector.MatchLabels).String(),
-		FieldSelector: "type=kubernetes.io/tls",
+		FieldSelector: fieldSelector.String(),
 	})
 	if err != nil {
 		return nil, err