// EncodeToStream does not do conversion. It sets the gvk during serialization. overrides are ignored.
func (c DirectCodec) Encode(obj runtime.Object, stream io.Writer) error {
gvks, _, err := c.ObjectTyper.ObjectKinds(obj)
if err != nil {
return err
}
kind := obj.GetObjectKind()
oldGVK := kind.GroupVersionKind()
kind.SetGroupVersionKind(gvks[0])
err = c.Serializer.Encode(obj, stream)
kind.SetGroupVersionKind(oldGVK)
return err
}
// Encode ensures the provided object is output in the appropriate group and version, invoking
// conversion if necessary. Unversioned objects (according to the ObjectTyper) are output as is.
func (c *codec) Encode(obj runtime.Object, w io.Writer) error {
if _, ok := obj.(*runtime.Unknown); ok {
return c.encoder.Encode(obj, w)
}
gvks, isUnversioned, err := c.typer.ObjectKinds(obj)
if err != nil {
return err
}
gvk := gvks[0]
if c.encodeVersion == nil || isUnversioned {
objectKind := obj.GetObjectKind()
old := objectKind.GroupVersionKind()
objectKind.SetGroupVersionKind(gvk)
err = c.encoder.Encode(obj, w)
objectKind.SetGroupVersionKind(old)
return err
}
targetGV, ok := c.encodeVersion[gvk.Group]
// attempt a conversion to the sole encode version
if !ok && c.preferredEncodeVersion != nil {
ok = true
targetGV = c.preferredEncodeVersion[0]
}
// if no fallback is available, error
if !ok {
return fmt.Errorf("the codec does not recognize group %q for kind %q and cannot encode it", gvk.Group, gvk.Kind)
}
// Perform a conversion if necessary
objectKind := obj.GetObjectKind()
old := objectKind.GroupVersionKind()
out, err := c.convertor.ConvertToVersion(obj, targetGV)
if err != nil {
if ok {
return err
}
} else {
obj = out
}
// Conversion is responsible for setting the proper group, version, and kind onto the outgoing object
err = c.encoder.Encode(obj, w)
// restore the old GVK, in case conversion returned the same object
objectKind.SetGroupVersionKind(old)
return err
}