// DecoderToVersion returns an decoder that does not do conversion. gv is ignored.
func (f DirectCodecFactory) DecoderToVersion(serializer runtime.Decoder, gv unversioned.GroupVersion) runtime.Decoder {
return DirectCodec{
runtime.NewCodec(nil, serializer),
nil,
}
}
// PatchResource returns a function that will handle a resource patch
// TODO: Eventually PatchResource should just use GuaranteedUpdate and this routine should be a bit cleaner
func PatchResource(r rest.Patcher, scope RequestScope, typer runtime.ObjectTyper, admit admission.Interface, converter runtime.ObjectConvertor) restful.RouteFunction {
return func(req *restful.Request, res *restful.Response) {
w := res.ResponseWriter
// TODO: we either want to remove timeout or document it (if we
// document, move timeout out of this function and declare it in
// api_installer)
timeout := parseTimeout(req.Request.URL.Query().Get("timeout"))
namespace, name, err := scope.Namer.Name(req)
if err != nil {
scope.err(err, res.ResponseWriter, req.Request)
return
}
ctx := scope.ContextFunc(req)
ctx = api.WithNamespace(ctx, namespace)
versionedObj, err := converter.ConvertToVersion(r.New(), scope.Kind.GroupVersion())
if err != nil {
scope.err(err, res.ResponseWriter, req.Request)
return
}
// TODO: handle this in negotiation
contentType := req.HeaderParameter("Content-Type")
// Remove "; charset=" if included in header.
if idx := strings.Index(contentType, ";"); idx > 0 {
contentType = contentType[:idx]
}
patchType := api.PatchType(contentType)
patchJS, err := readBody(req.Request)
if err != nil {
scope.err(err, res.ResponseWriter, req.Request)
return
}
s, ok := scope.Serializer.SerializerForMediaType("application/json", nil)
if !ok {
scope.err(fmt.Errorf("no serializer defined for JSON"), res.ResponseWriter, req.Request)
return
}
gv := scope.Kind.GroupVersion()
codec := runtime.NewCodec(
scope.Serializer.EncoderForVersion(s, gv),
scope.Serializer.DecoderToVersion(s, unversioned.GroupVersion{Group: gv.Group, Version: runtime.APIVersionInternal}),
)
updateAdmit := func(updatedObject runtime.Object, currentObject runtime.Object) error {
if admit != nil && admit.Handles(admission.Update) {
userInfo, _ := api.UserFrom(ctx)
return admit.Admit(admission.NewAttributesRecord(updatedObject, currentObject, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Update, userInfo))
}
return nil
}
result, err := patchResource(ctx, updateAdmit, timeout, versionedObj, r, name, patchType, patchJS, scope.Namer, scope.Copier, scope.Resource, codec)
if err != nil {
scope.err(err, res.ResponseWriter, req.Request)
return
}
if err := setSelfLink(result, req, scope.Namer); err != nil {
scope.err(err, res.ResponseWriter, req.Request)
return
}
write(http.StatusOK, scope.Kind.GroupVersion(), scope.Serializer, result, w, req.Request)
}
}
// EncoderForVersion returns an encoder that does not do conversion. gv is ignored.
func (f DirectCodecFactory) EncoderForVersion(serializer runtime.Encoder, gv unversioned.GroupVersion) runtime.Encoder {
return DirectCodec{
runtime.NewCodec(serializer, nil),
f.CodecFactory.scheme,
}
}
func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
groupVersionKinds, _, err := typer.ObjectKinds(obj)
if err != nil {
return nil, "", nil, nil, err
}
groupVersionKind := groupVersionKinds[0]
if len(overrides) > 0 {
codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.ClientForMapping(mapping)
if err != nil {
return nil, "", nil, nil, err
}
annotations, err := mapping.MetadataAccessor.Annotations(obj)
if err != nil {
return nil, "", nil, nil, err
}
if cmdutil.GetRecordFlag(cmd) || len(annotations[kubectl.ChangeCauseAnnotation]) > 0 {
if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil {
return nil, "", nil, nil, err
}
}
if !cmdutil.GetDryRunFlag(cmd) {
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
info, err := resourceMapper.InfoForObject(obj, nil)
if err != nil {
return nil, "", nil, nil, err
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, groupVersionKind.Kind, mapper, mapping, err
}