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0ffc4c441b
* Add skeleton implementation for mode reconciliation between 1 and 2 * Track mode for each dual writer * Add test for setting dual writer * Include context when setting dual writing mode --------- Co-authored-by: Dan Cech <dcech@grafana.com>
88 lines
3.4 KiB
Go
88 lines
3.4 KiB
Go
package rest
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import (
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"context"
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metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/klog/v2"
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)
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type DualWriterMode4 struct {
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Legacy LegacyStorage
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Storage Storage
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Log klog.Logger
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*dualWriterMetrics
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}
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// NewDualWriterMode4 returns a new DualWriter in mode 4.
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// Mode 4 represents writing and reading from Storage.
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func NewDualWriterMode4(legacy LegacyStorage, storage Storage) *DualWriterMode4 {
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metrics := &dualWriterMetrics{}
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metrics.init()
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return &DualWriterMode4{Legacy: legacy, Storage: storage, Log: klog.NewKlogr().WithName("DualWriterMode4"), dualWriterMetrics: metrics}
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}
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// Mode returns the mode of the dual writer.
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func (d *DualWriterMode4) Mode() DualWriterMode {
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return Mode4
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}
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// #TODO remove all DualWriterMode4 methods once we remove the generic DualWriter implementation
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// Create overrides the behavior of the generic DualWriter and writes only to Storage.
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func (d *DualWriterMode4) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
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return d.Storage.Create(ctx, obj, createValidation, options)
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}
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// Get overrides the behavior of the generic DualWriter and retrieves an object from Storage.
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func (d *DualWriterMode4) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
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return d.Storage.Get(ctx, name, &metav1.GetOptions{})
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}
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func (d *DualWriterMode4) Delete(ctx context.Context, name string, deleteValidation rest.ValidateObjectFunc, options *metav1.DeleteOptions) (runtime.Object, bool, error) {
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return d.Storage.Delete(ctx, name, deleteValidation, options)
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}
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// DeleteCollection overrides the behavior of the generic DualWriter and deletes only from Storage.
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func (d *DualWriterMode4) DeleteCollection(ctx context.Context, deleteValidation rest.ValidateObjectFunc, options *metav1.DeleteOptions, listOptions *metainternalversion.ListOptions) (runtime.Object, error) {
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return d.Storage.DeleteCollection(ctx, deleteValidation, options, listOptions)
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}
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// Update overrides the generic behavior of the Storage and writes only to US.
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func (d *DualWriterMode4) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
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return d.Storage.Update(ctx, name, objInfo, createValidation, updateValidation, forceAllowCreate, options)
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}
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func (d *DualWriterMode4) List(ctx context.Context, options *metainternalversion.ListOptions) (runtime.Object, error) {
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//TODO: implement List
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klog.Error("List not implemented")
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return nil, nil
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}
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func (d *DualWriterMode4) Destroy() {
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d.Storage.Destroy()
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}
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func (d *DualWriterMode4) GetSingularName() string {
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return d.Storage.GetSingularName()
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}
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func (d *DualWriterMode4) NamespaceScoped() bool {
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return d.Storage.NamespaceScoped()
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}
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func (d *DualWriterMode4) New() runtime.Object {
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return d.Storage.New()
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}
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func (d *DualWriterMode4) NewList() runtime.Object {
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return d.Storage.NewList()
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}
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func (d *DualWriterMode4) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
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return d.Storage.ConvertToTable(ctx, object, tableOptions)
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}
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