wip

modules/common/webhook/rfc.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2024 Red Hat
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package webhook
+
+import (
+	"k8s.io/apimachinery/pkg/util/validation"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+)
+
+// ValidateDNS1123Label - validates a list of strings are RFC 1123 label conform.
+//
+// example usage:
+//
+//	ValidateDNS1123Label(<path>, {"foo", "bar"})
+func ValidateDNS1123Label(basePath *field.Path, keys []string) field.ErrorList {
+	allErrs := field.ErrorList{}
+
+	for _, key := range keys {
+		msgs := validation.IsDNS1123Label(key)
+		for _, msg := range msgs {
+			allErrs = append(allErrs, field.Invalid(basePath.Key(key), key, msg))
+		}
+	}
+
+	return allErrs
+}