func addVersionsToScheme(externalVersions ...unversioned.GroupVersion) {
// add the internal version to Scheme
core.AddToScheme(core.Scheme)
// add the enabled external versions to Scheme
for _, v := range externalVersions {
if !registered.IsEnabledVersion(v) {
glog.Errorf("Version %s is not enabled, so it will not be added to the Scheme.", v)
continue
}
switch v {
case core_v1.SchemeGroupVersion:
core_v1.AddToScheme(core.Scheme)
}
}
// This is a "fast-path" that avoids reflection for common types. It focuses on the objects that are
// converted the most in the cluster.
// TODO: generate one of these for every external API group - this is to prove the impact
core.Scheme.AddGenericConversionFunc(func(objA, objB interface{}, s conversion.Scope) (bool, error) {
switch a := objA.(type) {
case *v1.Service:
switch b := objB.(type) {
case *api.Service:
return true, v1.Convert_v1_Service_To_api_Service(a, b, s)
}
case *api.Service:
switch b := objB.(type) {
case *v1.Service:
return true, v1.Convert_api_Service_To_v1_Service(a, b, s)
}
}
return false, nil
})
}
func addVersionsToScheme(externalVersions ...unversioned.GroupVersion) {
// add the internal version to Scheme
if err := core.AddToScheme(core.Scheme); err != nil {
// Programmer error, detect immediately
panic(err)
}
// add the enabled external versions to Scheme
for _, v := range externalVersions {
if !registered.IsEnabledVersion(v) {
glog.Errorf("Version %s is not enabled, so it will not be added to the Scheme.", v)
continue
}
switch v {
case core_v1.SchemeGroupVersion:
if err := core_v1.AddToScheme(core.Scheme); err != nil {
// Programmer error, detect immediately
panic(err)
}
}
}
}