mirror of https://github.com/linka-cloud/d2vm.git
133 lines
3.5 KiB
Go
133 lines
3.5 KiB
Go
// 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 main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
|
|
"github.com/c2h5oh/datasize"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/spf13/cobra"
|
|
|
|
"go.linka.cloud/d2vm"
|
|
"go.linka.cloud/d2vm/pkg/docker"
|
|
)
|
|
|
|
var (
|
|
convertCmd = &cobra.Command{
|
|
Use: "convert [docker image]",
|
|
Short: "Convert Docker image to vm image",
|
|
Args: cobra.ExactArgs(1),
|
|
SilenceUsage: true,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if runtime.GOOS != "linux" || !isRoot() {
|
|
abs, err := filepath.Abs(output)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
out := filepath.Dir(abs)
|
|
dargs := os.Args[2:]
|
|
for i, v := range dargs {
|
|
if v == output {
|
|
dargs[i] = filepath.Join("/out", filepath.Base(output))
|
|
break
|
|
}
|
|
}
|
|
return docker.RunD2VM(cmd.Context(), d2vm.Image, d2vm.Version, out, out, cmd.Name(), dargs...)
|
|
}
|
|
if luksPassword != "" && !splitBoot {
|
|
logrus.Warnf("luks password is set: enabling split boot")
|
|
splitBoot = true
|
|
}
|
|
img := args[0]
|
|
tag := "latest"
|
|
if parts := strings.Split(img, ":"); len(parts) > 1 {
|
|
img, tag = parts[0], parts[1]
|
|
}
|
|
img = fmt.Sprintf("%s:%s", img, tag)
|
|
size, err := parseSize(size)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if push && tag == "" {
|
|
return fmt.Errorf("tag is required when pushing container disk image")
|
|
}
|
|
if _, err := os.Stat(output); err == nil || !os.IsNotExist(err) {
|
|
if !force {
|
|
return fmt.Errorf("%s already exists", output)
|
|
}
|
|
}
|
|
found := false
|
|
if !pull {
|
|
imgs, err := docker.ImageList(cmd.Context(), img)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
found = len(imgs) == 1 && imgs[0] == img
|
|
if found {
|
|
logrus.Infof("using local image %s", img)
|
|
}
|
|
}
|
|
if pull || !found {
|
|
logrus.Infof("pulling image %s", img)
|
|
if err := docker.Pull(cmd.Context(), img); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if err := d2vm.Convert(
|
|
cmd.Context(),
|
|
img,
|
|
d2vm.WithSize(size),
|
|
d2vm.WithPassword(password),
|
|
d2vm.WithOutput(output),
|
|
d2vm.WithCmdLineExtra(cmdLineExtra),
|
|
d2vm.WithNetworkManager(d2vm.NetworkManager(networkManager)),
|
|
d2vm.WithRaw(raw),
|
|
d2vm.WithSplitBoot(splitBoot),
|
|
d2vm.WithBootSize(bootSize),
|
|
d2vm.WithLuksPassword(luksPassword),
|
|
d2vm.WithKeepCache(keepCache),
|
|
); err != nil {
|
|
return err
|
|
}
|
|
// set user permissions on the output file if the command was run with sudo
|
|
if uid, ok := sudoUser(); ok {
|
|
if err := os.Chown(output, uid, uid); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return maybeMakeContainerDisk(cmd.Context())
|
|
},
|
|
}
|
|
)
|
|
|
|
func parseSize(s string) (uint64, error) {
|
|
var v datasize.ByteSize
|
|
if err := v.UnmarshalText([]byte(s)); err != nil {
|
|
return 0, err
|
|
}
|
|
return uint64(v), nil
|
|
}
|
|
|
|
func init() {
|
|
convertCmd.Flags().BoolVar(&pull, "pull", false, "Always pull docker image")
|
|
convertCmd.Flags().AddFlagSet(buildFlags())
|
|
rootCmd.AddCommand(convertCmd)
|
|
}
|