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Merge pull request #3779 from yike21/add-validation-for-mcs
add validation for MultiClusterService
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| Copyright 2017 The Kubernetes Authors. | ||
| 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. | ||
| */ | ||
|
|
||
| // This code is directly lifted from the Kubernetes codebase. | ||
| // For reference: | ||
| // https://github.com/kubernetes/kubernetes/blob/release-1.27/pkg/apis/core/validation/validation.go | ||
|
|
||
| package lifted | ||
|
|
||
| import ( | ||
| corev1 "k8s.io/api/core/v1" | ||
| validation "k8s.io/apimachinery/pkg/util/validation" | ||
| "k8s.io/apimachinery/pkg/util/validation/field" | ||
| netutils "k8s.io/utils/net" | ||
| ) | ||
|
|
||
| // +lifted:source=https://github.com/kubernetes/kubernetes/blob/release-1.27/pkg/apis/core/validation/validation.go#L6826-L6846 | ||
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| // ValidateLoadBalancerStatus validates required fields on a LoadBalancerStatus | ||
| func ValidateLoadBalancerStatus(status *corev1.LoadBalancerStatus, fldPath *field.Path) field.ErrorList { | ||
| allErrs := field.ErrorList{} | ||
| for i, ingress := range status.Ingress { | ||
| idxPath := fldPath.Child("ingress").Index(i) | ||
| if len(ingress.IP) > 0 { | ||
| if isIP := (netutils.ParseIPSloppy(ingress.IP) != nil); !isIP { | ||
| allErrs = append(allErrs, field.Invalid(idxPath.Child("ip"), ingress.IP, "must be a valid IP address")) | ||
| } | ||
| } | ||
| if len(ingress.Hostname) > 0 { | ||
| for _, msg := range validation.IsDNS1123Subdomain(ingress.Hostname) { | ||
| allErrs = append(allErrs, field.Invalid(idxPath.Child("hostname"), ingress.Hostname, msg)) | ||
| } | ||
| if isIP := (netutils.ParseIPSloppy(ingress.Hostname) != nil); isIP { | ||
| allErrs = append(allErrs, field.Invalid(idxPath.Child("hostname"), ingress.Hostname, "must be a DNS name, not an IP address")) | ||
| } | ||
| } | ||
| } | ||
| return allErrs | ||
| } |
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