func (d *Driver) CopyIsoToMachineDir(isoURL, machineName string) error {
b2d := b2d.NewB2dUtils(d.StorePath)
mcnutils := mcnutils.NewB2dUtils(d.StorePath)
if err := d.UpdateISOCache(isoURL); err != nil {
return err
}
isoPath := filepath.Join(b2d.ImgCachePath, isoFilename)
if isoStat, err := os.Stat(isoPath); err == nil {
if int(isoStat.Sys().(*syscall.Stat_t).Uid) == 0 {
log.Debugf("Fix %s file permission...", isoStat.Name())
os.Chown(isoPath, syscall.Getuid(), syscall.Getegid())
}
}
// TODO: This is a bit off-color.
machineDir := filepath.Join(d.StorePath, "machines", machineName)
machineIsoPath := filepath.Join(machineDir, isoFilename)
// By default just copy the existing "cached" iso to the machine's directory...
defaultISO := filepath.Join(b2d.ImgCachePath, defaultISOFilename)
if isoURL == "" {
log.Infof("Copying %s to %s...", defaultISO, machineIsoPath)
return CopyFile(defaultISO, machineIsoPath)
}
// if ISO is specified, check if it matches a github releases url or fallback to a direct download
downloadURL, err := b2d.GetReleaseURL(isoURL)
if err != nil {
return err
}
return mcnutils.DownloadISO(machineDir, b2d.Filename(), downloadURL)
}
func (d *Driver) UpdateISOCache(isoURL string) error {
b2d := b2d.NewB2dUtils(d.StorePath)
mcnutils := mcnutils.NewB2dUtils(d.StorePath)
// recreate the cache dir if it has been manually deleted
if _, err := os.Stat(b2d.ImgCachePath); os.IsNotExist(err) {
log.Infof("Image cache directory does not exist, creating it at %s...", b2d.ImgCachePath)
if err := os.Mkdir(b2d.ImgCachePath, 0700); err != nil {
return err
}
}
// Check owner of storage cache directory
cacheStat, _ := os.Stat(b2d.ImgCachePath)
if int(cacheStat.Sys().(*syscall.Stat_t).Uid) == 0 {
log.Debugf("Fix %s directory permission...", cacheStat.Name())
os.Chown(b2d.ImgCachePath, syscall.Getuid(), syscall.Getegid())
}
if isoURL != "" {
// Non-default B2D are not cached
return nil
}
exists := b2d.Exists()
if !exists {
log.Info("No default Boot2Docker ISO found locally, downloading the latest release...")
return mcnutils.DownloadLatestBoot2Docker("")
}
latest := b2d.IsLatest()
if !latest {
log.Info("Default Boot2Docker ISO is out-of-date, downloading the latest release...")
return mcnutils.DownloadLatestBoot2Docker("")
}
return nil
}