mirror of https://github.com/k3s-io/k3s
80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
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/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resource
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import (
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"encoding/json"
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"io"
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/client-go/kubernetes/scheme"
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"k8s.io/client-go/rest"
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)
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// dynamicCodec is a codec that wraps the standard unstructured codec
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// with special handling for Status objects.
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// Deprecated only used by test code and its wrong
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type dynamicCodec struct{}
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func (dynamicCodec) Decode(data []byte, gvk *schema.GroupVersionKind, obj runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
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obj, gvk, err := unstructured.UnstructuredJSONScheme.Decode(data, gvk, obj)
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if err != nil {
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return nil, nil, err
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}
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if _, ok := obj.(*metav1.Status); !ok && strings.ToLower(gvk.Kind) == "status" {
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obj = &metav1.Status{}
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err := json.Unmarshal(data, obj)
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if err != nil {
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return nil, nil, err
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}
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}
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return obj, gvk, nil
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}
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func (dynamicCodec) Encode(obj runtime.Object, w io.Writer) error {
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return unstructured.UnstructuredJSONScheme.Encode(obj, w)
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}
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// ContentConfig returns a rest.ContentConfig for dynamic types. It includes enough codecs to act as a "normal"
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// serializer for the rest.client with options, status and the like.
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func UnstructuredPlusDefaultContentConfig() rest.ContentConfig {
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var jsonInfo runtime.SerializerInfo
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// TODO: scheme.Codecs here should become "pkg/apis/server/scheme" which is the minimal core you need
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// to talk to a kubernetes server
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for _, info := range scheme.Codecs.SupportedMediaTypes() {
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if info.MediaType == runtime.ContentTypeJSON {
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jsonInfo = info
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break
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}
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}
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jsonInfo.Serializer = dynamicCodec{}
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jsonInfo.PrettySerializer = nil
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return rest.ContentConfig{
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AcceptContentTypes: runtime.ContentTypeJSON,
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ContentType: runtime.ContentTypeJSON,
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NegotiatedSerializer: serializer.NegotiatedSerializerWrapper(jsonInfo),
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}
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}
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