build source

vendor/k8s.io/client-go/dynamic/scheme.go

@@ -0,0 +1,144 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package dynamic
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer/cbor"
+	"k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/client-go/features"
+)
+
+var basicScheme = runtime.NewScheme()
+var parameterScheme = runtime.NewScheme()
+var dynamicParameterCodec = runtime.NewParameterCodec(parameterScheme)
+
+var versionV1 = schema.GroupVersion{Version: "v1"}
+
+func init() {
+	metav1.AddToGroupVersion(basicScheme, versionV1)
+	metav1.AddToGroupVersion(parameterScheme, versionV1)
+}
+
+func newBasicNegotiatedSerializer() basicNegotiatedSerializer {
+	supportedMediaTypes := []runtime.SerializerInfo{
+		{
+			MediaType:        "application/json",
+			MediaTypeType:    "application",
+			MediaTypeSubType: "json",
+			EncodesAsText:    true,
+			Serializer:       json.NewSerializerWithOptions(json.DefaultMetaFactory, unstructuredCreater{basicScheme}, unstructuredTyper{basicScheme}, json.SerializerOptions{}),
+			PrettySerializer: json.NewSerializerWithOptions(json.DefaultMetaFactory, unstructuredCreater{basicScheme}, unstructuredTyper{basicScheme}, json.SerializerOptions{Pretty: true}),
+			StreamSerializer: &runtime.StreamSerializerInfo{
+				EncodesAsText: true,
+				Serializer:    json.NewSerializerWithOptions(json.DefaultMetaFactory, basicScheme, basicScheme, json.SerializerOptions{}),
+				Framer:        json.Framer,
+			},
+		},
+	}
+	if features.FeatureGates().Enabled(features.ClientsAllowCBOR) {
+		supportedMediaTypes = append(supportedMediaTypes, runtime.SerializerInfo{
+			MediaType:        "application/cbor",
+			MediaTypeType:    "application",
+			MediaTypeSubType: "cbor",
+			Serializer:       cbor.NewSerializer(unstructuredCreater{basicScheme}, unstructuredTyper{basicScheme}),
+			StreamSerializer: &runtime.StreamSerializerInfo{
+				Serializer: cbor.NewSerializer(basicScheme, basicScheme, cbor.Transcode(false)),
+				Framer:     cbor.NewFramer(),
+			},
+		})
+	}
+	return basicNegotiatedSerializer{supportedMediaTypes: supportedMediaTypes}
+}
+
+type basicNegotiatedSerializer struct {
+	supportedMediaTypes []runtime.SerializerInfo
+}
+
+func (s basicNegotiatedSerializer) SupportedMediaTypes() []runtime.SerializerInfo {
+	return s.supportedMediaTypes
+}
+
+func (s basicNegotiatedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
+	return runtime.WithVersionEncoder{
+		Version:     gv,
+		Encoder:     encoder,
+		ObjectTyper: permissiveTyper{basicScheme},
+	}
+}
+
+func (s basicNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
+	return decoder
+}
+
+type unstructuredCreater struct {
+	nested runtime.ObjectCreater
+}
+
+func (c unstructuredCreater) New(kind schema.GroupVersionKind) (runtime.Object, error) {
+	out, err := c.nested.New(kind)
+	if err == nil {
+		return out, nil
+	}
+	out = &unstructured.Unstructured{}
+	out.GetObjectKind().SetGroupVersionKind(kind)
+	return out, nil
+}
+
+type unstructuredTyper struct {
+	nested runtime.ObjectTyper
+}
+
+func (t unstructuredTyper) ObjectKinds(obj runtime.Object) ([]schema.GroupVersionKind, bool, error) {
+	kinds, unversioned, err := t.nested.ObjectKinds(obj)
+	if err == nil {
+		return kinds, unversioned, nil
+	}
+	if _, ok := obj.(runtime.Unstructured); ok && !obj.GetObjectKind().GroupVersionKind().Empty() {
+		return []schema.GroupVersionKind{obj.GetObjectKind().GroupVersionKind()}, false, nil
+	}
+	return nil, false, err
+}
+
+func (t unstructuredTyper) Recognizes(gvk schema.GroupVersionKind) bool {
+	return true
+}
+
+// The dynamic client has historically accepted Unstructured objects with missing or empty
+// apiVersion and/or kind as arguments to its write request methods. This typer will return the type
+// of a runtime.Unstructured with no error, even if the type is missing or empty.
+type permissiveTyper struct {
+	nested runtime.ObjectTyper
+}
+
+func (t permissiveTyper) ObjectKinds(obj runtime.Object) ([]schema.GroupVersionKind, bool, error) {
+	kinds, unversioned, err := t.nested.ObjectKinds(obj)
+	if err == nil {
+		return kinds, unversioned, nil
+	}
+	if _, ok := obj.(runtime.Unstructured); ok {
+		return []schema.GroupVersionKind{obj.GetObjectKind().GroupVersionKind()}, false, nil
+	}
+	return nil, false, err
+}
+
+func (t permissiveTyper) Recognizes(gvk schema.GroupVersionKind) bool {
+	return true
+}