a90d81620b
This reverts commitf4afdecef8, reversing changes made toe633a1604f. This also fixes a bug where Kubemark was still using the core api scheme to manipulate the Kubelet's types, which was the cause of the initial revert.
66 lines
2.3 KiB
Go
66 lines
2.3 KiB
Go
/*
|
|
Copyright 2017 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 codec
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
// ensure the core apis are installed
|
|
_ "k8s.io/kubernetes/pkg/api/install"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/serializer"
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig"
|
|
)
|
|
|
|
// TODO(mtaufen): allow an encoder to be injected into checkpoint objects at creation time? (then we could ultimately instantiate only one encoder)
|
|
|
|
// NewJSONEncoder generates a new runtime.Encoder that encodes objects to JSON
|
|
func NewJSONEncoder(groupName string) (runtime.Encoder, error) {
|
|
// encode to json
|
|
mediaType := "application/json"
|
|
info, ok := runtime.SerializerInfoForMediaType(api.Codecs.SupportedMediaTypes(), mediaType)
|
|
if !ok {
|
|
return nil, fmt.Errorf("unsupported media type %q", mediaType)
|
|
}
|
|
|
|
versions := api.Registry.EnabledVersionsForGroup(groupName)
|
|
if len(versions) == 0 {
|
|
return nil, fmt.Errorf("no enabled versions for group %q", groupName)
|
|
}
|
|
|
|
// the "best" version supposedly comes first in the list returned from api.Registry.EnabledVersionsForGroup
|
|
return api.Codecs.EncoderForVersion(info.Serializer, versions[0]), nil
|
|
}
|
|
|
|
// DecodeKubeletConfiguration decodes a serialized KubeletConfiguration to the internal type
|
|
func DecodeKubeletConfiguration(kubeletCodecs *serializer.CodecFactory, data []byte) (*kubeletconfig.KubeletConfiguration, error) {
|
|
// the UniversalDecoder runs defaulting and returns the internal type by default
|
|
obj, gvk, err := kubeletCodecs.UniversalDecoder().Decode(data, nil, nil)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to decode, error: %v", err)
|
|
}
|
|
|
|
internalKC, ok := obj.(*kubeletconfig.KubeletConfiguration)
|
|
if !ok {
|
|
return nil, fmt.Errorf("failed to cast object to KubeletConfiguration, unexpected type: %v", gvk)
|
|
}
|
|
|
|
return internalKC, nil
|
|
}
|