Add third party support to kubectl

pkg/kubectl/kubectl.go

@@ -54,6 +54,28 @@ func makeImageList(spec *api.PodSpec) string {
 	return strings.Join(listOfImages(spec), ",")
 }
 
+func NewThirdPartyResourceMapper(gvs []unversioned.GroupVersion, gvks []unversioned.GroupVersionKind) (meta.RESTMapper, error) {
+	mapper := meta.NewDefaultRESTMapper(gvs, func(gv unversioned.GroupVersion) (*meta.VersionInterfaces, error) {
+		for ix := range gvs {
+			if gvs[ix].Group == gv.Group && gvs[ix].Version == gv.Version {
+				return &meta.VersionInterfaces{
+					ObjectConvertor:  api.Scheme,
+					MetadataAccessor: meta.NewAccessor(),
+				}, nil
+			}
+		}
+		groupVersions := []string{}
+		for ix := range gvs {
+			groupVersions = append(groupVersions, gvs[ix].String())
+		}
+		return nil, fmt.Errorf("unsupported storage version: %s (valid: %s)", gv.String(), strings.Join(groupVersions, ", "))
+	})
+	for ix := range gvks {
+		mapper.Add(gvks[ix], meta.RESTScopeNamespace)
+	}
+	return mapper, nil
+}
+
 // OutputVersionMapper is a RESTMapper that will prefer mappings that
 // correspond to a preferred output version (if feasible)
 type OutputVersionMapper struct {