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worker.go
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worker.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"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/validation/field"
apiazure "github.com/gardener/gardener-extension-provider-azure/pkg/apis/azure"
)
// ValidateWorkerConfig validates a WorkerConfig object.
func ValidateWorkerConfig(workerConfig *apiazure.WorkerConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if workerConfig != nil {
allErrs = append(allErrs, validateNodeTemplate(workerConfig.NodeTemplate, fldPath)...)
}
return allErrs
}
func validateNodeTemplate(nodeTemplate *extensionsv1alpha1.NodeTemplate, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if nodeTemplate == nil {
return nil
}
for _, capacityAttribute := range []corev1.ResourceName{corev1.ResourceCPU, "gpu", corev1.ResourceMemory} {
value, ok := nodeTemplate.Capacity[capacityAttribute]
if !ok {
allErrs = append(allErrs, field.Required(fldPath.Child("nodeTemplate").Child("capacity"), fmt.Sprintf("%s is a mandatory field", capacityAttribute)))
continue
}
allErrs = append(allErrs, validateResourceQuantityValue(capacityAttribute, value, fldPath.Child("nodeTemplate").Child("capacity").Child(string(capacityAttribute)))...)
}
return allErrs
}
func validateResourceQuantityValue(key corev1.ResourceName, value resource.Quantity, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if value.Cmp(resource.Quantity{}) < 0 {
allErrs = append(allErrs, field.Invalid(fldPath, value.String(), fmt.Sprintf("%s value must not be negative", key)))
}
return allErrs
}