ContainerStats: return early on unsupported API versions
@@ -21,6 +21,10 @@ func (daemon *Daemon) ContainerStats(ctx context.Context, prefixOrName string, c
// Engine API version (used for backwards compatibility)
apiVersion := config.Version
+ if runtime.GOOS == "windows" && versions.LessThan(apiVersion, "1.21") {
+ return errors.New("API versions pre v1.21 do not support stats on Windows")
+ }
+
container, err := daemon.GetContainer(prefixOrName)
if err != nil {
return err
@@ -70,9 +74,6 @@ func (daemon *Daemon) ContainerStats(ctx context.Context, prefixOrName string, c
var statsJSON interface{}
statsJSONPost120 := getStatJSON(v)
if versions.LessThan(apiVersion, "1.21") {
- if runtime.GOOS == "windows" {
- return errors.New("API versions pre v1.21 do not support stats on Windows")
- }
var (
rxBytes uint64
rxPackets uint64
