mirror of https://github.com/docker/cli.git
83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
|
|
//
|
|
// 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 openapiextension_v1
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
"github.com/golang/protobuf/ptypes"
|
|
)
|
|
|
|
type documentHandler func(version string, extensionName string, document string)
|
|
type extensionHandler func(name string, yamlInput string) (bool, proto.Message, error)
|
|
|
|
func forInputYamlFromOpenapic(handler documentHandler) {
|
|
data, err := ioutil.ReadAll(os.Stdin)
|
|
if err != nil {
|
|
fmt.Println("File error:", err.Error())
|
|
os.Exit(1)
|
|
}
|
|
if len(data) == 0 {
|
|
fmt.Println("No input data.")
|
|
os.Exit(1)
|
|
}
|
|
request := &ExtensionHandlerRequest{}
|
|
err = proto.Unmarshal(data, request)
|
|
if err != nil {
|
|
fmt.Println("Input error:", err.Error())
|
|
os.Exit(1)
|
|
}
|
|
handler(request.Wrapper.Version, request.Wrapper.ExtensionName, request.Wrapper.Yaml)
|
|
}
|
|
|
|
// ProcessExtension calles the handler for a specified extension.
|
|
func ProcessExtension(handleExtension extensionHandler) {
|
|
response := &ExtensionHandlerResponse{}
|
|
forInputYamlFromOpenapic(
|
|
func(version string, extensionName string, yamlInput string) {
|
|
var newObject proto.Message
|
|
var err error
|
|
|
|
handled, newObject, err := handleExtension(extensionName, yamlInput)
|
|
if !handled {
|
|
responseBytes, _ := proto.Marshal(response)
|
|
os.Stdout.Write(responseBytes)
|
|
os.Exit(0)
|
|
}
|
|
|
|
// If we reach here, then the extension is handled
|
|
response.Handled = true
|
|
if err != nil {
|
|
response.Error = append(response.Error, err.Error())
|
|
responseBytes, _ := proto.Marshal(response)
|
|
os.Stdout.Write(responseBytes)
|
|
os.Exit(0)
|
|
}
|
|
response.Value, err = ptypes.MarshalAny(newObject)
|
|
if err != nil {
|
|
response.Error = append(response.Error, err.Error())
|
|
responseBytes, _ := proto.Marshal(response)
|
|
os.Stdout.Write(responseBytes)
|
|
os.Exit(0)
|
|
}
|
|
})
|
|
|
|
responseBytes, _ := proto.Marshal(response)
|
|
os.Stdout.Write(responseBytes)
|
|
}
|