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strategy.go
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/
strategy.go
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// Copyright 2022 OnMetal 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.
package machinepool
import (
"context"
"fmt"
"github.com/onmetal/onmetal-api/internal/api"
"github.com/onmetal/onmetal-api/internal/apis/compute"
"github.com/onmetal/onmetal-api/internal/apis/compute/validation"
"github.com/onmetal/onmetal-api/utils/equality"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/apiserver/pkg/registry/generic"
apisrvstorage "k8s.io/apiserver/pkg/storage"
"k8s.io/apiserver/pkg/storage/names"
"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
)
func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
machinePool, ok := obj.(*compute.MachinePool)
if !ok {
return nil, nil, fmt.Errorf("given object is not a MachinePoolRef")
}
return machinePool.Labels, SelectableFields(machinePool), nil
}
func MatchMachinePool(label labels.Selector, field fields.Selector) apisrvstorage.SelectionPredicate {
return apisrvstorage.SelectionPredicate{
Label: label,
Field: field,
GetAttrs: GetAttrs,
}
}
func SelectableFields(machinePool *compute.MachinePool) fields.Set {
return generic.ObjectMetaFieldsSet(&machinePool.ObjectMeta, false)
}
type machinePoolStrategy struct {
runtime.ObjectTyper
names.NameGenerator
}
var Strategy = machinePoolStrategy{api.Scheme, names.SimpleNameGenerator}
func (machinePoolStrategy) NamespaceScoped() bool {
return false
}
func (machinePoolStrategy) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
return map[fieldpath.APIVersion]*fieldpath.Set{
"compute.api.onmetal.de/v1alpha1": fieldpath.NewSet(
fieldpath.MakePathOrDie("status"),
),
}
}
func (machinePoolStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
machinePool := obj.(*compute.MachinePool)
machinePool.Status = compute.MachinePoolStatus{}
machinePool.Generation = 1
}
func (machinePoolStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
newMachinePool := obj.(*compute.MachinePool)
oldMachinePool := old.(*compute.MachinePool)
newMachinePool.Status = oldMachinePool.Status
if !equality.Semantic.DeepEqual(newMachinePool.Spec, oldMachinePool.Spec) {
newMachinePool.Generation = oldMachinePool.Generation + 1
}
}
func (machinePoolStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
machinePool := obj.(*compute.MachinePool)
return validation.ValidateMachinePool(machinePool)
}
func (machinePoolStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
return nil
}
func (machinePoolStrategy) AllowCreateOnUpdate() bool {
return false
}
func (machinePoolStrategy) AllowUnconditionalUpdate() bool {
return false
}
func (machinePoolStrategy) Canonicalize(obj runtime.Object) {
}
func (machinePoolStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
newMachinePool := obj.(*compute.MachinePool)
oldMachinePool := old.(*compute.MachinePool)
return validation.ValidateMachinePoolUpdate(newMachinePool, oldMachinePool)
}
func (machinePoolStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
return nil
}
type machinePoolStatusStrategy struct {
machinePoolStrategy
}
var StatusStrategy = machinePoolStatusStrategy{Strategy}
func (machinePoolStatusStrategy) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
return map[fieldpath.APIVersion]*fieldpath.Set{
"compute.api.onmetal.de/v1alpha1": fieldpath.NewSet(
fieldpath.MakePathOrDie("spec"),
),
}
}
func (machinePoolStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
newMachinePool := obj.(*compute.MachinePool)
oldMachinePool := old.(*compute.MachinePool)
newMachinePool.Spec = oldMachinePool.Spec
}
func (machinePoolStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
newMachinePool := obj.(*compute.MachinePool)
oldMachinePool := old.(*compute.MachinePool)
return validation.ValidateMachinePoolUpdate(newMachinePool, oldMachinePool)
}
func (machinePoolStatusStrategy) WarningsOnUpdate(cxt context.Context, obj, old runtime.Object) []string {
return nil
}