/*
* Export the container under @dir. It will look like:
* dir/
* metadata.yaml
* rootfs/
*/
func (d *lxdContainer) exportToDir(snap, dir string) error {
if snap != "" && d.c.Running() {
return fmt.Errorf("Cannot export a running container as image")
}
source := shared.VarPath("lxc", d.name, "metadata.yaml")
dest := fmt.Sprintf("%s/metadata.yaml", dir)
if shared.PathExists(source) {
if err := shared.CopyFile(dest, source); err != nil {
return err
}
}
if snap != "" {
source = snapshotRootfsDir(d, snap)
} else {
source = shared.VarPath("lxc", d.name, "rootfs")
}
// rsync the rootfs
err := exec.Command("rsync", "-a", "--devices", source, dir).Run()
if err != nil {
return err
}
// unshift
if !d.isPrivileged() {
rootfs := fmt.Sprintf("%s/rootfs", dir)
err = d.idmapset.UnshiftRootfs(rootfs)
}
return err
}
func collectMigrationLogFile(c *lxc.Container, imagesDir string, method string) error {
t := time.Now().Format(time.RFC3339)
newPath := shared.LogPath(c.Name(), fmt.Sprintf("migration_%s_%s.log", method, t))
return shared.CopyFile(newPath, filepath.Join(imagesDir, fmt.Sprintf("%s.log", method)))
}