k3s/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createlayer.go
2020-08-28 17:18:31 -07:00

28 lines
722 B
Go

package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// CreateLayer creates a new, empty, read-only layer on the filesystem based on
// the parent layer provided.
func CreateLayer(ctx context.Context, path, parent string) (err error) {
title := "hcsshim::CreateLayer"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parent", parent))
err = createLayer(&stdDriverInfo, path, parent)
if err != nil {
return hcserror.New(err, title+" - failed", "")
}
return nil
}