DockerCLI/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go

28 lines
837 B
Go

package computestorage
import (
"context"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/pkg/errors"
"go.opencensus.io/trace"
"golang.org/x/sys/windows"
)
// GetLayerVhdMountPath returns the volume path for a virtual disk of a writable container layer.
func GetLayerVhdMountPath(ctx context.Context, vhdHandle windows.Handle) (path string, err error) {
title := "hcsshim.GetLayerVhdMountPath"
ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
var mountPath *uint16
err = hcsGetLayerVhdMountPath(vhdHandle, &mountPath)
if err != nil {
return "", errors.Wrap(err, "failed to get vhd mount path")
}
path = interop.ConvertAndFreeCoTaskMemString(mountPath)
return path, nil
}