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//go:build amd64 || arm64
// +build amd64 arm64
package machine
import (
"errors"
"fmt"
"os"
"net/http"
"net/url"
"path/filepath"
)
const (
githubLatestReleaseURL = "https://github.com/containers/podman-wsl-fedora/releases/latest/download/rootfs.tar.xz"
)
type FedoraDownload struct {
Download
}
func NewFedoraDownloader(vmType, vmName, releaseStream string) (DistributionDownload, error) {
downloadURL, size, err := getFedoraDownload(githubLatestReleaseURL)
if err != nil {
return nil, err
}
dataDir, err := GetDataDir(vmType)
if err != nil {
return nil, err
}
imageName := "rootfs.tar.xz"
f := FedoraDownload{
Download: Download{
Arch: getFcosArch(),
Artifact: artifact,
Format: Format,
ImageName: imageName,
LocalPath: filepath.Join(dataDir, imageName),
URL: downloadURL,
VMName: vmName,
Size: size,
},
}
f.Download.LocalUncompressedFile = f.getLocalUncompressedName()
return f, nil
}
func (f FedoraDownload) Get() *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 getFedoraDownload(releaseURL string) (*url.URL, int64, error) {
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()
if resp.StatusCode != http.StatusOK {
return nil, -1, fmt.Errorf("head request failed: %s: %w", releaseURL, err)
}
return downloadURL, resp.ContentLength, nil
}
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