autoscaler/cluster-autoscaler/cloudprovider/volcengine/volcengine-go-sdk/private/protocol/payload.go

101 lines
2.9 KiB
Go

/*
Copyright 2023 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 protocol
// Copy from https://github.com/aws/aws-sdk-go
// May have been modified by Beijing Volcanoengine Technology Ltd.
import (
"io"
"io/ioutil"
"net/http"
"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/volcengine/volcengine-go-sdk/volcengine"
"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/volcengine/volcengine-go-sdk/volcengine/client/metadata"
"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/volcengine/volcengine-go-sdk/volcengine/request"
)
// PayloadUnmarshaler provides the interface for unmarshaling a payload's
// reader into a SDK shape.
type PayloadUnmarshaler interface {
UnmarshalPayload(io.Reader, interface{}) error
}
// HandlerPayloadUnmarshal implements the PayloadUnmarshaler from a
// HandlerList. This provides the support for unmarshaling a payload reader to
// a shape without needing a SDK request first.
type HandlerPayloadUnmarshal struct {
Unmarshalers request.HandlerList
}
// UnmarshalPayload unmarshals the io.Reader payload into the SDK shape using
// the Unmarshalers HandlerList provided. Returns an error if unable
// unmarshaling fails.
func (h HandlerPayloadUnmarshal) UnmarshalPayload(r io.Reader, v interface{}) error {
req := &request.Request{
HTTPRequest: &http.Request{},
HTTPResponse: &http.Response{
StatusCode: 200,
Header: http.Header{},
Body: ioutil.NopCloser(r),
},
Data: v,
}
h.Unmarshalers.Run(req)
return req.Error
}
// PayloadMarshaler provides the interface for marshaling a SDK shape into and
// io.Writer.
type PayloadMarshaler interface {
MarshalPayload(io.Writer, interface{}) error
}
// HandlerPayloadMarshal implements the PayloadMarshaler from a HandlerList.
// This provides support for marshaling a SDK shape into an io.Writer without
// needing a SDK request first.
type HandlerPayloadMarshal struct {
Marshalers request.HandlerList
}
// MarshalPayload marshals the SDK shape into the io.Writer using the
// Marshalers HandlerList provided. Returns an error if unable if marshal
// fails.
func (h HandlerPayloadMarshal) MarshalPayload(w io.Writer, v interface{}) error {
req := request.New(
volcengine.Config{},
metadata.ClientInfo{},
request.Handlers{},
nil,
&request.Operation{HTTPMethod: "GET"},
v,
nil,
)
h.Marshalers.Run(req)
if req.Error != nil {
return req.Error
}
io.Copy(w, req.GetBody())
return nil
}