43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package helper
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import (
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/klog/v2"
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"github.com/karmada-io/karmada/pkg/util/informermanager"
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"github.com/karmada-io/karmada/pkg/util/informermanager/keys"
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"github.com/karmada-io/karmada/pkg/util/restmapper"
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)
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// GetObjectFromCache gets full object information from cache by key in worker queue.
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func GetObjectFromCache(restMapper meta.RESTMapper, manager informermanager.MultiClusterInformerManager,
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fedKey keys.FederatedKey) (*unstructured.Unstructured, error) {
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gvr, err := restmapper.GetGroupVersionResource(restMapper, fedKey.GroupVersionKind())
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if err != nil {
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klog.Errorf("Failed to get GVR from GVK %s. Error: %v", fedKey.GroupVersionKind(), err)
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return nil, err
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}
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singleClusterManager := manager.GetSingleClusterManager(fedKey.Cluster)
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if singleClusterManager == nil {
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return nil, nil
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}
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var obj runtime.Object
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lister := singleClusterManager.Lister(gvr)
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obj, err = lister.Get(fedKey.NamespaceKey())
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if err != nil {
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if errors.IsNotFound(err) {
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return nil, err
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}
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// print logs only for real error.
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klog.Errorf("Failed to get obj %s. error: %v.", fedKey.String(), err)
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return nil, err
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}
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return obj.(*unstructured.Unstructured), nil
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}
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