from python_on_whales import docker
import datetime
import sys
import pathlib


now = "{date:%Y%m%d-%H%M%S}".format( date=datetime.datetime.now() )

source_volume = "friendica_db"
archive_filename = source_volume + "-" + now
archive_bind = pathlib.Path().resolve()
archive_path = str(archive_bind)  + "/" + archive_filename

image = "loomchild/volume-backup"
command = ["backup",
           "-c", "gz",
           archive_filename]
volumes = [ (source_volume,"/volume"),
            (archive_bind, "/backup") ]

print("Archive volume: ", source_volume, " to file: ", archive_path)

out=docker.run(image=image,
               command=command,
               volumes=volumes)