DockerCLI/vendor/github.com/moby/buildkit/client/buildid/metadata.go

30 lines
508 B
Go

package buildid
import (
"context"
"google.golang.org/grpc/metadata"
)
var metadataKey = "buildkit-controlapi-buildid"
func AppendToOutgoingContext(ctx context.Context, id string) context.Context {
if id != "" {
return metadata.AppendToOutgoingContext(ctx, metadataKey, id)
}
return ctx
}
func FromIncomingContext(ctx context.Context) string {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return ""
}
if ids := md.Get(metadataKey); len(ids) == 1 {
return ids[0]
}
return ""
}