func (t *ThirdPartyController) syncResourceList(list runtime.Object) error {
existing := sets.String{}
switch list := list.(type) {
case *expapi.ThirdPartyResourceList:
// Loop across all schema objects for third party resources
for ix := range list.Items {
item := &list.Items[ix]
// extract the api group and resource kind from the schema
_, group, err := thirdpartyresourcedata.ExtractApiGroupAndKind(item)
if err != nil {
return err
}
// place it in the set of resources that we expect, so that we don't delete it in the delete pass
existing.Insert(makeThirdPartyPath(group))
// ensure a RESTful resource for this schema exists on the master
if err := t.SyncOneResource(item); err != nil {
return err
}
}
default:
return fmt.Errorf("expected a *ThirdPartyResourceList, got %#v", list)
}
// deletion phase, get all installed RESTful resources
installed := t.master.ListThirdPartyResources()
for _, installedAPI := range installed {
found := false
// search across the expected restful resources to see if this resource belongs to one of the expected ones
for _, apiPath := range existing.List() {
if installedAPI == apiPath || strings.HasPrefix(installedAPI, apiPath+"/") {
found = true
break
}
}
// not expected, delete the resource
if !found {
if err := t.master.RemoveThirdPartyResource(installedAPI); err != nil {
return err
}
}
}
return nil
}
