mirror of
https://github.com/mudler/luet.git
synced 2025-06-28 00:09:04 +00:00
73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
|
// Copyright © 2021 Ettore Di Giacinto <mudler@mocaccino.org>
|
||
|
|
//
|
||
|
|
// This program is free software; you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License as published by
|
||
|
|
// the Free Software Foundation; either version 2 of the License, or
|
||
|
|
// (at your option) any later version.
|
||
|
|
//
|
||
|
|
// This program is distributed in the hope that it will be useful,
|
||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
// GNU General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License along
|
||
|
|
// with this program; if not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
package util
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
|
||
|
|
"github.com/docker/go-units"
|
||
|
|
"github.com/mudler/luet/pkg/config"
|
||
|
|
"github.com/mudler/luet/pkg/helpers"
|
||
|
|
. "github.com/mudler/luet/pkg/logger"
|
||
|
|
|
||
|
|
"github.com/spf13/cobra"
|
||
|
|
)
|
||
|
|
|
||
|
|
func NewUnpackCommand() *cobra.Command {
|
||
|
|
|
||
|
|
return &cobra.Command{
|
||
|
|
Use: "unpack image path",
|
||
|
|
Short: "Unpack a docker image natively",
|
||
|
|
Long: `unpack doesn't need the docker daemon to run, and unpacks a docker image in the specified directory:
|
||
|
|
|
||
|
|
luet util unpack golang:alpine /alpine
|
||
|
|
`,
|
||
|
|
PreRun: func(cmd *cobra.Command, args []string) {
|
||
|
|
|
||
|
|
if len(args) != 2 {
|
||
|
|
Fatal("Expects an image and a path")
|
||
|
|
}
|
||
|
|
|
||
|
|
},
|
||
|
|
Run: func(cmd *cobra.Command, args []string) {
|
||
|
|
|
||
|
|
image := args[0]
|
||
|
|
destination, err := filepath.Abs(args[1])
|
||
|
|
if err != nil {
|
||
|
|
Error("Invalid path %s", destination)
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
|
||
|
|
temp, err := config.LuetCfg.GetSystem().TempDir("contentstore")
|
||
|
|
if err != nil {
|
||
|
|
Fatal("Cannot create a tempdir", err.Error())
|
||
|
|
}
|
||
|
|
|
||
|
|
Info("Downloading", image, "to", destination)
|
||
|
|
info, err := helpers.DownloadAndExtractDockerImage(temp, image, destination)
|
||
|
|
if err != nil {
|
||
|
|
Error(err.Error())
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
Info(fmt.Sprintf("Pulled: %s", info.Target.Digest))
|
||
|
|
Info(fmt.Sprintf("Size: %s", units.BytesSize(float64(info.ContentSize))))
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|