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48 lines
1.6 KiB
Go
48 lines
1.6 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 DualWriterMode1 struct {
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DualWriter
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}
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// NewDualWriterMode1 returns a new DualWriter in mode 1.
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// Mode 1 represents writing to and reading from LegacyStorage.
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func NewDualWriterMode1(legacy LegacyStorage, storage Storage) *DualWriterMode1 {
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return &DualWriterMode1{*NewDualWriter(legacy, storage)}
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}
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// Create overrides the behavior of the generic DualWriter and writes only to LegacyStorage.
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func (d *DualWriterMode1) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
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legacy, ok := d.Legacy.(rest.Creater)
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if !ok {
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klog.FromContext(ctx).Error(errDualWriterCreaterMissing, "legacy storage rest.Creater is missing")
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return nil, errDualWriterCreaterMissing
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}
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return legacy.Create(ctx, obj, createValidation, options)
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}
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// Get overrides the default behavior of the DualWriter and reads only to LegacyStorage.
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func (d *DualWriterMode1) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
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return d.Legacy.Get(ctx, name, options)
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}
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// List overrides the behavior of the generic DualWriter and reads only from LegacyStorage.
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func (d *DualWriterMode1) List(ctx context.Context, options *metainternalversion.ListOptions) (runtime.Object, error) {
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legacy, ok := d.Legacy.(rest.Lister)
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if !ok {
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return nil, errDualWriterListerMissing
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}
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return legacy.List(ctx, options)
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}
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