build and convert implementations

centos: WIP

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>

docker_image.go

@@ -0,0 +1,72 @@
+// Copyright 2022 Linka Cloud  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 docker2vm
+
+import (
+	"io"
+	"text/template"
+)
+
+const (
+	dockerImageRun = `
+#!/bin/sh
+
+{{- range .Config.Env }}
+export {{ . }}
+{{- end }}
+
+cd {{- if .Config.WorkingDir }}{{ .Config.WorkingDir }}{{- else }}/{{- end }}
+
+{{ .Config.Entrypoint }} {{ .Config.Args }}
+`
+)
+
+var (
+	dockerImageRunTemplate = template.Must(template.New("docker-run.sh").Parse(dockerImageRun))
+)
+
+type DockerImage struct {
+	Config struct {
+		Hostname     string `json:"Hostname"`
+		Domainname   string `json:"Domainname"`
+		User         string `json:"User"`
+		AttachStdin  bool   `json:"AttachStdin"`
+		AttachStdout bool   `json:"AttachStdout"`
+		AttachStderr bool   `json:"AttachStderr"`
+		ExposedPorts struct {
+			Tcp struct {
+			} `json:"3000/tcp"`
+		} `json:"ExposedPorts"`
+		Tty        bool        `json:"Tty"`
+		OpenStdin  bool        `json:"OpenStdin"`
+		StdinOnce  bool        `json:"StdinOnce"`
+		Env        []string    `json:"Env"`
+		Cmd        []string    `json:"Cmd"`
+		Image      string      `json:"Image"`
+		Volumes    interface{} `json:"Volumes"`
+		WorkingDir string      `json:"WorkingDir"`
+		Entrypoint []string    `json:"Entrypoint"`
+		OnBuild    interface{} `json:"OnBuild"`
+		Labels     interface{} `json:"Labels"`
+	} `json:"Config"`
+	Architecture string `json:"Architecture"`
+	Os           string `json:"Os"`
+	Size         int    `json:"Size"`
+	VirtualSize  int    `json:"VirtualSize"`
+}
+
+func (i DockerImage) AsRunScript(w io.Writer) error {
+	return dockerImageRunTemplate.Execute(w, i)
+}