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client-go/metadata: use watchlist

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Kubernetes-commit: 0912e400cda2dd6ef6950dea15b18f826777ac41
This commit is contained in:
Lukasz Szaszkiewicz 2024-09-16 12:00:11 +02:00 committed by Kubernetes Publisher
parent 892e9b89df
commit b42d55bc18
1 changed files with 17 additions and 1 deletions
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18
metadata/metadata.go
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@ -33,6 +33,8 @@ import (
"k8s.io/apimachinery/pkg/types" "k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/watch" "k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/rest" "k8s.io/client-go/rest"
"k8s.io/client-go/util/consistencydetector"
"k8s.io/client-go/util/watchlist"
) )
var deleteScheme = runtime.NewScheme() var deleteScheme = runtime.NewScheme()
@ -218,7 +220,21 @@ func (c *client) Get(ctx context.Context, name string, opts metav1.GetOptions, s
// List returns all resources within the specified scope (namespace or cluster). // List returns all resources within the specified scope (namespace or cluster).
func (c *client) List(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error) { func (c *client) List(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error) {
return c.list(ctx, opts) if watchListOptions, hasWatchListOptionsPrepared, watchListOptionsErr := watchlist.PrepareWatchListOptionsFromListOptions(opts); watchListOptionsErr != nil {
klog.FromContext(ctx).Error(watchListOptionsErr, "Failed preparing watchlist options, falling back to the standard LIST semantics", "resource", c.resource)
} else if hasWatchListOptionsPrepared {
result, err := c.watchList(ctx, watchListOptions)
if err == nil {
consistencydetector.CheckWatchListFromCacheDataConsistencyIfRequested(ctx, fmt.Sprintf("watchlist request for %v", c.resource), c.list, opts, result)
return result, nil
}
klog.FromContext(ctx).Error(err, "The watchlist request ended with an error, falling back to the standard LIST semantics", "resource", c.resource)
}
result, err := c.list(ctx, opts)
if err == nil {
consistencydetector.CheckListFromCacheDataConsistencyIfRequested(ctx, fmt.Sprintf("list request for %v", c.resource), c.list, opts, result)
}
return result, err
} }
func (c *client) list(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error) { func (c *client) list(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error) {