mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 14:50:24 +00:00
83559144b1
updated kubernetes packages to latest release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
114 lines
3.7 KiB
Go
114 lines
3.7 KiB
Go
/*
|
|
Copyright 2019 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 runtime
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
)
|
|
|
|
// NegotiateError is returned when a ClientNegotiator is unable to locate
|
|
// a serializer for the requested operation.
|
|
type NegotiateError struct {
|
|
ContentType string
|
|
Stream bool
|
|
}
|
|
|
|
func (e NegotiateError) Error() string {
|
|
if e.Stream {
|
|
return fmt.Sprintf("no stream serializers registered for %s", e.ContentType)
|
|
}
|
|
return fmt.Sprintf("no serializers registered for %s", e.ContentType)
|
|
}
|
|
|
|
type clientNegotiator struct {
|
|
serializer NegotiatedSerializer
|
|
encode, decode GroupVersioner
|
|
}
|
|
|
|
func (n *clientNegotiator) Encoder(contentType string, params map[string]string) (Encoder, error) {
|
|
// TODO: `pretty=1` is handled in NegotiateOutputMediaType, consider moving it to this method
|
|
// if client negotiators truly need to use it
|
|
mediaTypes := n.serializer.SupportedMediaTypes()
|
|
info, ok := SerializerInfoForMediaType(mediaTypes, contentType)
|
|
if !ok {
|
|
if len(contentType) != 0 || len(mediaTypes) == 0 {
|
|
return nil, NegotiateError{ContentType: contentType}
|
|
}
|
|
info = mediaTypes[0]
|
|
}
|
|
return n.serializer.EncoderForVersion(info.Serializer, n.encode), nil
|
|
}
|
|
|
|
func (n *clientNegotiator) Decoder(contentType string, params map[string]string) (Decoder, error) {
|
|
mediaTypes := n.serializer.SupportedMediaTypes()
|
|
info, ok := SerializerInfoForMediaType(mediaTypes, contentType)
|
|
if !ok {
|
|
if len(contentType) != 0 || len(mediaTypes) == 0 {
|
|
return nil, NegotiateError{ContentType: contentType}
|
|
}
|
|
info = mediaTypes[0]
|
|
}
|
|
return n.serializer.DecoderToVersion(info.Serializer, n.decode), nil
|
|
}
|
|
|
|
func (n *clientNegotiator) StreamDecoder(contentType string, params map[string]string) (Decoder, Serializer, Framer, error) {
|
|
mediaTypes := n.serializer.SupportedMediaTypes()
|
|
info, ok := SerializerInfoForMediaType(mediaTypes, contentType)
|
|
if !ok {
|
|
if len(contentType) != 0 || len(mediaTypes) == 0 {
|
|
return nil, nil, nil, NegotiateError{ContentType: contentType, Stream: true}
|
|
}
|
|
info = mediaTypes[0]
|
|
}
|
|
if info.StreamSerializer == nil {
|
|
return nil, nil, nil, NegotiateError{ContentType: info.MediaType, Stream: true}
|
|
}
|
|
return n.serializer.DecoderToVersion(info.Serializer, n.decode), info.StreamSerializer.Serializer, info.StreamSerializer.Framer, nil
|
|
}
|
|
|
|
// NewClientNegotiator will attempt to retrieve the appropriate encoder, decoder, or
|
|
// stream decoder for a given content type. Does not perform any conversion, but will
|
|
// encode the object to the desired group, version, and kind. Use when creating a client.
|
|
func NewClientNegotiator(serializer NegotiatedSerializer, gv schema.GroupVersion) ClientNegotiator {
|
|
return &clientNegotiator{
|
|
serializer: serializer,
|
|
encode: gv,
|
|
}
|
|
}
|
|
|
|
type simpleNegotiatedSerializer struct {
|
|
info SerializerInfo
|
|
}
|
|
|
|
func NewSimpleNegotiatedSerializer(info SerializerInfo) NegotiatedSerializer {
|
|
return &simpleNegotiatedSerializer{info: info}
|
|
}
|
|
|
|
func (n *simpleNegotiatedSerializer) SupportedMediaTypes() []SerializerInfo {
|
|
return []SerializerInfo{n.info}
|
|
}
|
|
|
|
func (n *simpleNegotiatedSerializer) EncoderForVersion(e Encoder, _ GroupVersioner) Encoder {
|
|
return e
|
|
}
|
|
|
|
func (n *simpleNegotiatedSerializer) DecoderToVersion(d Decoder, _gv GroupVersioner) Decoder {
|
|
return d
|
|
}
|