mirror of https://github.com/docker/cli.git
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package computestorage
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
|
|
"github.com/Microsoft/hcsshim/internal/oc"
|
|
"github.com/pkg/errors"
|
|
"go.opencensus.io/trace"
|
|
)
|
|
|
|
// AttachLayerStorageFilter sets up the layer storage filter on a writable
|
|
// container layer.
|
|
//
|
|
// `layerPath` is a path to a directory the writable layer is mounted. If the
|
|
// path does not end in a `\` the platform will append it automatically.
|
|
//
|
|
// `layerData` is the parent read-only layer data.
|
|
func AttachLayerStorageFilter(ctx context.Context, layerPath string, layerData LayerData) (err error) {
|
|
title := "hcsshim.AttachLayerStorageFilter"
|
|
ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
|
|
defer span.End()
|
|
defer func() { oc.SetSpanStatus(span, err) }()
|
|
span.AddAttributes(
|
|
trace.StringAttribute("layerPath", layerPath),
|
|
)
|
|
|
|
bytes, err := json.Marshal(layerData)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = hcsAttachLayerStorageFilter(layerPath, string(bytes))
|
|
if err != nil {
|
|
return errors.Wrap(err, "failed to attach layer storage filter")
|
|
}
|
|
return nil
|
|
}
|