DockerCLI/vendor/github.com/Microsoft/hcsshim/internal/wclayer/nametoguid.go

30 lines
874 B
Go

package wclayer
import (
"context"
"github.com/Microsoft/go-winio/pkg/guid"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// NameToGuid converts the given string into a GUID using the algorithm in the
// Host Compute Service, ensuring GUIDs generated with the same string are common
// across all clients.
func NameToGuid(ctx context.Context, name string) (_ guid.GUID, err error) {
title := "hcsshim::NameToGuid"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("name", name))
var id guid.GUID
err = nameToGuid(name, &id)
if err != nil {
return guid.GUID{}, hcserror.New(err, title+" - failed", "")
}
span.AddAttributes(trace.StringAttribute("guid", id.String()))
return id, nil
}