// ResolveResource returns the resource type and name of the resourceString.
// If the resource string has no specified type, defaultResource will be returned.
func ResolveResource(defaultResource unversioned.GroupResource, resourceString string, mapper meta.RESTMapper) (unversioned.GroupResource, string, error) {
if mapper == nil {
return unversioned.GroupResource{}, "", errors.New("mapper cannot be nil")
}
var name string
parts := strings.Split(resourceString, "/")
switch len(parts) {
case 1:
name = parts[0]
case 2:
name = parts[1]
// Allow specifying the group the same way kubectl does, as "resource.group.name"
groupResource := unversioned.ParseGroupResource(parts[0])
// normalize resource case
groupResource.Resource = strings.ToLower(groupResource.Resource)
gvr, err := mapper.ResourceFor(groupResource.WithVersion(""))
if err != nil {
return unversioned.GroupResource{}, "", err
}
return gvr.GroupResource(), name, nil
default:
return unversioned.GroupResource{}, "", fmt.Errorf("invalid resource format: %s", resourceString)
}
return defaultResource, name, nil
}
func resourceFor(mapper meta.RESTMapper, resourceArg string) unversioned.GroupVersionResource {
fullySpecifiedGVR, groupResource := unversioned.ParseResourceArg(strings.ToLower(resourceArg))
gvr := unversioned.GroupVersionResource{}
if fullySpecifiedGVR != nil {
gvr, _ = mapper.ResourceFor(*fullySpecifiedGVR)
}
if gvr.IsEmpty() {
var err error
gvr, err = mapper.ResourceFor(groupResource.WithVersion(""))
if err != nil {
return unversioned.GroupVersionResource{Resource: resourceArg}
}
}
return gvr
}
