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quota.go
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quota.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package validation
import (
"fmt"
corev1 "k8s.io/api/core/v1"
apivalidation "k8s.io/apimachinery/pkg/api/validation"
"k8s.io/apimachinery/pkg/util/validation/field"
"github.com/gardener/gardener/pkg/apis/core"
"github.com/gardener/gardener/pkg/apis/core/helper"
kubernetescorevalidation "github.com/gardener/gardener/pkg/utils/validation/kubernetes/core"
)
// ValidateQuota validates a Quota object.
func ValidateQuota(quota *core.Quota) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMeta("a.ObjectMeta, true, ValidateName, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateQuotaSpec("a.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateQuotaUpdate validates a Quota object before an update.
func ValidateQuotaUpdate(newQuota, oldQuota *core.Quota) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&newQuota.ObjectMeta, &oldQuota.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, apivalidation.ValidateImmutableField(&newQuota.Spec.Scope, &oldQuota.Spec.Scope, field.NewPath("spec").Child("scope"))...)
allErrs = append(allErrs, ValidateQuota(newQuota)...)
return allErrs
}
// ValidateQuotaSpec validates the specification of a Quota object.
func ValidateQuotaSpec(quotaSpec *core.QuotaSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
scopeRef := quotaSpec.Scope
if _, err := helper.QuotaScope(scopeRef); err != nil {
allErrs = append(allErrs, field.NotSupported(fldPath.Child("scope"), scopeRef, []string{"project", "secret"}))
}
metricsFldPath := fldPath.Child("metrics")
for k, v := range quotaSpec.Metrics {
keyPath := metricsFldPath.Key(string(k))
if !isValidQuotaMetric(k) {
allErrs = append(allErrs, field.Invalid(keyPath, v.String(), fmt.Sprintf("%s is no supported quota metric", string(k))))
}
allErrs = append(allErrs, kubernetescorevalidation.ValidateResourceQuantityValue(k.String(), v, keyPath)...)
}
return allErrs
}
func isValidQuotaMetric(metric corev1.ResourceName) bool {
switch metric {
case
core.QuotaMetricCPU,
core.QuotaMetricGPU,
core.QuotaMetricMemory,
core.QuotaMetricStorageStandard,
core.QuotaMetricStoragePremium,
core.QuotaMetricLoadbalancer:
return true
}
return false
}