func SortObjects(decoder runtime.Decoder, objs []runtime.Object, fieldInput string) (*RuntimeSort, error) {
parser := jsonpath.New("sorting")
field, err := massageJSONPath(fieldInput)
if err != nil {
return nil, err
}
if err := parser.Parse(field); err != nil {
return nil, err
}
for ix := range objs {
item := objs[ix]
switch u := item.(type) {
case *runtime.Unknown:
var err error
if objs[ix], _, err = decoder.Decode(u.Raw, nil, nil); err != nil {
return nil, err
}
}
}
values, err := parser.FindResults(reflect.ValueOf(objs[0]).Elem().Interface())
if err != nil {
return nil, err
}
if len(values) == 0 {
return nil, fmt.Errorf("couldn't find any field with path: %s", field)
}
sorter := NewRuntimeSort(field, objs)
sort.Sort(sorter)
return sorter, nil
}
// DecodeNestedRawExtensionOrUnknown
func DecodeNestedRawExtensionOrUnknown(d runtime.Decoder, ext *runtime.RawExtension) {
if ext.Raw == nil || ext.Object != nil {
return
}
obj, gvk, err := d.Decode(ext.Raw, nil, nil)
if err != nil {
// TODO: record mime-type with the object
unk := &runtime.Unknown{Raw: ext.Raw}
if gvk != nil {
unk.APIVersion = gvk.GroupVersion().String()
unk.Kind = gvk.Kind
}
obj = unk
}
ext.Object = obj
}
// AddObjectsFromPath loads the JSON or YAML file containing Kubernetes API resources
// and adds them to the provided ObjectRetriever.
func AddObjectsFromPath(path string, o ObjectRetriever, decoder runtime.Decoder) error {
data, err := ioutil.ReadFile(path)
if err != nil {
return err
}
data, err = yaml.ToJSON(data)
if err != nil {
return err
}
obj, err := decoder.Decode(data)
if err != nil {
return err
}
if err := o.Add(obj); err != nil {
return err
}
return nil
}
func SortObjects(decoder runtime.Decoder, objs []runtime.Object, fieldInput string) (*RuntimeSort, error) {
parser := jsonpath.New("sorting")
field, err := massageJSONPath(fieldInput)
if err != nil {
return nil, err
}
if err := parser.Parse(field); err != nil {
return nil, err
}
for ix := range objs {
item := objs[ix]
switch u := item.(type) {
case *runtime.Unknown:
var err error
// decode runtime.Unknown to runtime.Unstructured for sorting.
// we don't actually want the internal versions of known types.
if objs[ix], _, err = decoder.Decode(u.Raw, nil, &unstructured.Unstructured{}); err != nil {
return nil, err
}
}
}
var values [][]reflect.Value
if unstructured, ok := objs[0].(*unstructured.Unstructured); ok {
values, err = parser.FindResults(unstructured.Object)
} else {
values, err = parser.FindResults(reflect.ValueOf(objs[0]).Elem().Interface())
}
if err != nil {
return nil, err
}
if len(values) == 0 {
return nil, fmt.Errorf("couldn't find any field with path: %s", field)
}
sorter := NewRuntimeSort(field, objs)
sort.Sort(sorter)
return sorter, nil
}
