mirror of https://github.com/k3d-io/k3d
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.2 KiB
47 lines
1.2 KiB
4 years ago
|
package computestorage
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/Microsoft/hcsshim/internal/oc"
|
||
|
|
"go.opencensus.io/trace"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ExportLayer exports a container layer.
|
||
|
|
//
|
||
|
|
// `layerPath` is a path to a directory containing the layer to export.
|
||
|
|
//
|
||
|
|
// `exportFolderPath` is a pre-existing folder to export the layer to.
|
||
|
|
//
|
||
|
|
// `layerData` is the parent layer data.
|
||
|
|
//
|
||
|
|
// `options` are the export options applied to the exported layer.
|
||
|
|
func ExportLayer(ctx context.Context, layerPath, exportFolderPath string, layerData LayerData, options ExportLayerOptions) (err error) {
|
||
|
|
title := "hcsshim.ExportLayer"
|
||
|
|
ctx, span := trace.StartSpan(ctx, title)
|
||
|
|
defer span.End()
|
||
|
|
defer func() { oc.SetSpanStatus(span, err) }()
|
||
|
|
span.AddAttributes(
|
||
|
|
trace.StringAttribute("layerPath", layerPath),
|
||
|
|
trace.StringAttribute("exportFolderPath", exportFolderPath),
|
||
|
|
)
|
||
|
|
|
||
|
|
ldbytes, err := json.Marshal(layerData)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
obytes, err := json.Marshal(options)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
err = hcsExportLayer(layerPath, exportFolderPath, string(ldbytes), string(obytes))
|
||
|
|
if err != nil {
|
||
|
|
return fmt.Errorf("failed to export layer: %s", err)
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|