mirror of
https://github.com/containers/podman.git
synced 2025-12-09 23:27:09 +08:00
7aef3301da
Small amount of refactoring to make WSL specific stuff into the WSL package where possible. This is in preparation for the possibility of adding more virtualization backends. [NO NEW TESTS NEEDED] Signed-off-by: Brent Baude <bbaude@redhat.com>
129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
//go:build amd64 || arm64
|
|
// +build amd64 arm64
|
|
|
|
package wsl
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/containers/podman/v4/pkg/machine"
|
|
)
|
|
|
|
const (
|
|
githubX86ReleaseURL = "https://github.com/containers/podman-wsl-fedora/releases/latest/download/rootfs.tar.xz"
|
|
githubArmReleaseURL = "https://github.com/containers/podman-wsl-fedora-arm/releases/latest/download/rootfs.tar.xz"
|
|
)
|
|
|
|
type FedoraDownload struct {
|
|
machine.Download
|
|
}
|
|
|
|
func NewFedoraDownloader(vmType, vmName, releaseStream string) (machine.DistributionDownload, error) {
|
|
downloadURL, version, arch, size, err := getFedoraDownload()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cacheDir, err := machine.GetCacheDir(vmType)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
imageName := fmt.Sprintf("fedora-podman-%s-%s.tar.xz", arch, version)
|
|
|
|
f := FedoraDownload{
|
|
Download: machine.Download{
|
|
Arch: machine.GetFcosArch(),
|
|
Artifact: "",
|
|
CacheDir: cacheDir,
|
|
Format: machine.Format,
|
|
ImageName: imageName,
|
|
LocalPath: filepath.Join(cacheDir, imageName),
|
|
URL: downloadURL,
|
|
VMName: vmName,
|
|
Size: size,
|
|
},
|
|
}
|
|
dataDir, err := machine.GetDataDir(vmType)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
f.Download.LocalUncompressedFile = f.GetLocalUncompressedFile(dataDir)
|
|
return f, nil
|
|
}
|
|
|
|
func (f FedoraDownload) Get() *machine.Download {
|
|
return &f.Download
|
|
}
|
|
|
|
func (f FedoraDownload) HasUsableCache() (bool, error) {
|
|
info, err := os.Stat(f.LocalPath)
|
|
if err != nil {
|
|
if errors.Is(err, os.ErrNotExist) {
|
|
return false, nil
|
|
}
|
|
return false, err
|
|
}
|
|
return info.Size() == f.Size, nil
|
|
}
|
|
|
|
func (f FedoraDownload) CleanCache() error {
|
|
// Set cached image to expire after 2 weeks
|
|
expire := 14 * 24 * time.Hour
|
|
return machine.RemoveImageAfterExpire(f.CacheDir, expire)
|
|
}
|
|
|
|
func getFedoraDownload() (*url.URL, string, string, int64, error) {
|
|
var releaseURL string
|
|
arch := machine.DetermineMachineArch()
|
|
switch arch {
|
|
case "arm64":
|
|
releaseURL = githubArmReleaseURL
|
|
case "amd64":
|
|
releaseURL = githubX86ReleaseURL
|
|
default:
|
|
return nil, "", "", -1, fmt.Errorf("CPU architecture %q is not supported", arch)
|
|
}
|
|
|
|
downloadURL, err := url.Parse(releaseURL)
|
|
if err != nil {
|
|
return nil, "", "", -1, fmt.Errorf("invalid URL generated from discovered Fedora file: %s: %w", releaseURL, err)
|
|
}
|
|
|
|
resp, err := http.Head(releaseURL)
|
|
if err != nil {
|
|
return nil, "", "", -1, fmt.Errorf("head request failed: %s: %w", releaseURL, err)
|
|
}
|
|
_ = resp.Body.Close()
|
|
contentLen := resp.ContentLength
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, "", "", -1, fmt.Errorf("head request failed: %s: %w", releaseURL, err)
|
|
}
|
|
|
|
verURL := *downloadURL
|
|
verURL.Path = path.Join(path.Dir(downloadURL.Path), "version")
|
|
|
|
resp, err = http.Get(verURL.String())
|
|
if err != nil {
|
|
return nil, "", "", -1, fmt.Errorf("get request failed: %s: %w", verURL.String(), err)
|
|
}
|
|
|
|
defer resp.Body.Close()
|
|
bytes, err := io.ReadAll(&io.LimitedReader{R: resp.Body, N: 1024})
|
|
if err != nil {
|
|
return nil, "", "", -1, fmt.Errorf("failed reading: %s: %w", verURL.String(), err)
|
|
}
|
|
|
|
return downloadURL, strings.TrimSpace(string(bytes)), arch, contentLen, nil
|
|
}
|