Imports k8s.io/apimachinery/pkg/util/intstr knative.dev/pkg/kmeta knative.dev/serving/pkg/apis/networking/v1alpha1 k8s.io/api/core/v1 k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/apimachinery/pkg/util/sets Standard library imports encoding/pem bytes crypto/tls crypto/x509 errors fmt os time