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prefixed_object_client.go
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/
prefixed_object_client.go
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package storage
import (
"context"
"io"
"strings"
"github.com/grafana/loki/pkg/storage/chunk/client"
)
type prefixedObjectClient struct {
downstreamClient client.ObjectClient
prefix string
}
func newPrefixedObjectClient(downstreamClient client.ObjectClient, prefix string) client.ObjectClient {
return prefixedObjectClient{downstreamClient: downstreamClient, prefix: prefix}
}
func (p prefixedObjectClient) PutObject(ctx context.Context, objectKey string, object io.ReadSeeker) error {
return p.downstreamClient.PutObject(ctx, p.prefix+objectKey, object)
}
func (p prefixedObjectClient) ObjectExists(ctx context.Context, objectKey string) (bool, error) {
return p.downstreamClient.ObjectExists(ctx, p.prefix+objectKey)
}
func (p prefixedObjectClient) GetObject(ctx context.Context, objectKey string) (io.ReadCloser, int64, error) {
return p.downstreamClient.GetObject(ctx, p.prefix+objectKey)
}
func (p prefixedObjectClient) List(ctx context.Context, prefix, delimiter string) ([]client.StorageObject, []client.StorageCommonPrefix, error) {
objects, commonPrefixes, err := p.downstreamClient.List(ctx, p.prefix+prefix, delimiter)
if err != nil {
return nil, nil, err
}
for i := range objects {
objects[i].Key = strings.TrimPrefix(objects[i].Key, p.prefix)
}
for i := range commonPrefixes {
commonPrefixes[i] = client.StorageCommonPrefix(strings.TrimPrefix(string(commonPrefixes[i]), p.prefix))
}
return objects, commonPrefixes, nil
}
func (p prefixedObjectClient) DeleteObject(ctx context.Context, objectKey string) error {
return p.downstreamClient.DeleteObject(ctx, p.prefix+objectKey)
}
func (p prefixedObjectClient) IsObjectNotFoundErr(err error) bool {
return p.downstreamClient.IsObjectNotFoundErr(err)
}
func (p prefixedObjectClient) IsRetryableErr(err error) bool {
return p.downstreamClient.IsRetryableErr(err)
}
func (p prefixedObjectClient) Stop() {
p.downstreamClient.Stop()
}