mirror of https://github.com/k3s-io/k3s
68 lines
3.0 KiB
Go
68 lines
3.0 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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import (
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"k8s.io/kubernetes/pkg/api"
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apivalidation "k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/expapi"
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errs "k8s.io/kubernetes/pkg/util/fielderrors"
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)
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// ValidateHorizontalPodAutoscaler can be used to check whether the given autoscaler name is valid.
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// Prefix indicates this name will be used as part of generation, in which case trailing dashes are allowed.
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func ValidateHorizontalPodAutoscalerName(name string, prefix bool) (bool, string) {
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// TODO: finally move it to pkg/api/validation and use nameIsDNSSubdomain function
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return apivalidation.ValidateReplicationControllerName(name, prefix)
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}
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func validateHorizontalPodAutoscalerSpec(autoscaler expapi.HorizontalPodAutoscalerSpec) errs.ValidationErrorList {
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allErrs := errs.ValidationErrorList{}
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if autoscaler.MinCount < 0 {
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allErrs = append(allErrs, errs.NewFieldInvalid("minCount", autoscaler.MinCount, `must be non-negative`))
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}
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if autoscaler.MaxCount < autoscaler.MinCount {
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allErrs = append(allErrs, errs.NewFieldInvalid("maxCount", autoscaler.MaxCount, `must be bigger or equal to minCount`))
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}
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if autoscaler.ScaleRef == nil {
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allErrs = append(allErrs, errs.NewFieldRequired("scaleRef"))
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}
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resource := autoscaler.Target.Resource.String()
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if resource != string(api.ResourceMemory) && resource != string(api.ResourceCPU) {
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allErrs = append(allErrs, errs.NewFieldInvalid("target.resource", resource, "resource not supported by autoscaler"))
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}
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quantity := autoscaler.Target.Quantity.Value()
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if quantity < 0 {
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allErrs = append(allErrs, errs.NewFieldInvalid("target.quantity", quantity, "must be non-negative"))
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}
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return allErrs
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}
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func ValidateHorizontalPodAutoscaler(autoscaler *expapi.HorizontalPodAutoscaler) errs.ValidationErrorList {
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allErrs := errs.ValidationErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&autoscaler.ObjectMeta, true, ValidateHorizontalPodAutoscalerName).Prefix("metadata")...)
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allErrs = append(allErrs, validateHorizontalPodAutoscalerSpec(autoscaler.Spec)...)
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return allErrs
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}
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func ValidateHorizontalPodAutoscalerUpdate(newAutoscler, oldAutoscaler *expapi.HorizontalPodAutoscaler) errs.ValidationErrorList {
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allErrs := errs.ValidationErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&newAutoscler.ObjectMeta, &oldAutoscaler.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, validateHorizontalPodAutoscalerSpec(newAutoscler.Spec)...)
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return allErrs
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}
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