1 /* 2 Copyright 2022 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package validation 18 19 import ( 20 "k8s.io/apimachinery/pkg/util/validation/field" 21 22 v1a2 "sigs.k8s.io/gateway-api/apis/v1alpha2" 23 gatewayvalidationv1b1 "sigs.k8s.io/gateway-api/apis/v1beta1/validation" 24 ) 25 26 // validateParentRefs validates ParentRefs SectionName must be set and unique 27 // when ParentRefs includes 2 or more references to the same parent 28 var validateParentRefs = gatewayvalidationv1b1.ValidateParentRefs 29 30 // validateBackendRefServicePort validates whether or not a port was specified 31 // for a backendRef which refers to a corev1.Service, asserting that the port 32 // field is required. 33 func validateBackendRefServicePort(ref *v1a2.BackendRef, path *field.Path) field.ErrorList { 34 var errs field.ErrorList 35 36 if ref.Group != nil && *ref.Group != "" { 37 return nil 38 } 39 40 if ref.Kind != nil && *ref.Kind != "Service" { 41 return nil 42 } 43 44 if ref.Port == nil { 45 errs = append(errs, field.Required(path.Child("port"), "missing port for Service reference")) 46 } 47 48 return errs 49 } 50 51 func ptrTo[T any](a T) *T { 52 return &a 53 } 54