// Register constructs the finalized prioritized version list and sanity checks
// the announced group & versions. Then it calls register.
func (gmf *GroupMetaFactory) Register(m *registered.APIRegistrationManager) error {
if gmf.GroupArgs == nil {
return fmt.Errorf("partially announced groups are not allowed, only got versions: %#v", gmf.VersionArgs)
}
if len(gmf.VersionArgs) == 0 {
return fmt.Errorf("group %v announced but no versions announced", gmf.GroupArgs.GroupName)
}
pvSet := sets.NewString(gmf.GroupArgs.VersionPreferenceOrder...)
if pvSet.Len() != len(gmf.GroupArgs.VersionPreferenceOrder) {
return fmt.Errorf("preference order for group %v has duplicates: %v", gmf.GroupArgs.GroupName, gmf.GroupArgs.VersionPreferenceOrder)
}
prioritizedVersions := []schema.GroupVersion{}
for _, v := range gmf.GroupArgs.VersionPreferenceOrder {
prioritizedVersions = append(
prioritizedVersions,
schema.GroupVersion{
Group: gmf.GroupArgs.GroupName,
Version: v,
},
)
}
// Go through versions that weren't explicitly prioritized.
unprioritizedVersions := []schema.GroupVersion{}
for _, v := range gmf.VersionArgs {
if v.GroupName != gmf.GroupArgs.GroupName {
return fmt.Errorf("found %v/%v in group %v?", v.GroupName, v.VersionName, gmf.GroupArgs.GroupName)
}
if pvSet.Has(v.VersionName) {
pvSet.Delete(v.VersionName)
continue
}
unprioritizedVersions = append(unprioritizedVersions, schema.GroupVersion{Group: v.GroupName, Version: v.VersionName})
}
if len(unprioritizedVersions) > 1 {
glog.Warningf("group %v has multiple unprioritized versions: %#v. They will have an arbitrary preference order!", gmf.GroupArgs.GroupName, unprioritizedVersions)
}
if pvSet.Len() != 0 {
return fmt.Errorf("group %v has versions in the priority list that were never announced: %s", gmf.GroupArgs.GroupName, pvSet)
}
prioritizedVersions = append(prioritizedVersions, unprioritizedVersions...)
m.RegisterVersions(prioritizedVersions)
gmf.prioritizedVersionList = prioritizedVersions
return nil
}
