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shootstate.go
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shootstate.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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.
package validation
import (
"github.com/gardener/gardener/pkg/apis/core"
apivalidation "k8s.io/apimachinery/pkg/api/validation"
"k8s.io/apimachinery/pkg/util/validation/field"
)
// ValidateShootState validates a ShootState object
func ValidateShootState(shootState *core.ShootState) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&shootState.ObjectMeta, true, apivalidation.NameIsDNSLabel, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateShootStateSpec(&shootState.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateShootStateUpdate validates an update to a ShootState object
func ValidateShootStateUpdate(newShootState, oldShootState *core.ShootState) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&newShootState.ObjectMeta, &oldShootState.ObjectMeta, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateShootStateSpecUpdate(&newShootState.Spec, &oldShootState.Spec)...)
allErrs = append(allErrs, ValidateShootState(newShootState)...)
return allErrs
}
// ValidateShootStateSpec validates the spec field of a ShootState object.
func ValidateShootStateSpec(shootStateSpec *core.ShootStateSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
for i, data := range shootStateSpec.Gardener {
idxPath := fldPath.Child("gardener").Index(i)
namePath := idxPath.Child("name")
if len(data.Name) == 0 {
allErrs = append(allErrs, field.Invalid(namePath, data.Name, "name of data required to generate resources cannot be empty"))
}
}
for i, extension := range shootStateSpec.Extensions {
idxPath := fldPath.Child("extensions").Index(i)
kindPath := idxPath.Child("kind")
purposePath := idxPath.Child("purpose")
if len(extension.Kind) == 0 {
allErrs = append(allErrs, field.Invalid(kindPath, extension.Kind, "extension resource kind cannot be empty"))
}
if extension.Purpose != nil && len(*extension.Purpose) == 0 {
allErrs = append(allErrs, field.Invalid(purposePath, extension.Purpose, "extension resource purpose cannot be empty"))
}
allErrs = append(allErrs, validateResources(extension.Resources, fldPath.Child("resources"))...)
}
for i, resource := range shootStateSpec.Resources {
allErrs = append(allErrs, validateCrossVersionObjectReference(resource.CrossVersionObjectReference, fldPath.Child("resources").Index(i))...)
}
return allErrs
}
// ValidateShootStateSpecUpdate validates the update to the specification of a ShootState
func ValidateShootStateSpecUpdate(newShootState, oldShootState *core.ShootStateSpec) field.ErrorList {
allErrs := field.ErrorList{}
return allErrs
}