from pathlib import Path

from paramiko.client import SSHClient

from utils import exec_remote


def make_backup_on_remote(client: SSHClient, tmp_path: Path):
    cmdline = ["sysupgrade", "-b"]
    remote_dest = tmp_path / "backup_latest.tar.gz"
    cmdline.append(remote_dest)
    exec_remote(cmdline)
    return remote_dest


def retrieve_backup_on_remote(client: SSHClient, src: Path, dest: Path):
    sftp_client = client.open_sftp()
    sftp_client.get(src, dest)
    sftp_client.remove(src)