5 from arvados.collection import CollectionReader
6 import arvados.commands.keepdocker
13 from pprint import pprint
16 api_client = arvados.api()
18 images = arvados.commands.keepdocker.list_images_in_arv(api_client, 3)
20 is_new = lambda img: img['dockerhash'].startswith('sha256:')
24 for uuid, img in images:
25 if img["dockerhash"].startswith("sha256:"):
27 key = (img["repo"], img["tag"], img["timestamp"])
28 old_images.append(img)
30 migration_links = arvados.util.list_all(api_client.links().list, filters=[
31 ['link_class', '=', arvados.commands.keepdocker._migration_link_class],
32 ['name', '=', arvados.commands.keepdocker._migration_link_name],
35 already_migrated = set()
36 for m in migration_links:
37 already_migrated.add(m["tail_uuid"])
39 need_migrate = [img for img in old_images if img["collection"] not in already_migrated]
41 print "Already migrated %i images" % (len(already_migrated))
42 print "Need to migrate %i images" % (len(need_migrate))
44 for old_image in need_migrate:
45 print "Migrating %s" % (old_image["collection"])
47 col = CollectionReader(old_image["collection"])
48 tarfile = col.keys()[0]
51 varlibdocker = tempfile.mkdtemp()
52 with tempfile.NamedTemporaryFile() as envfile:
53 envfile.write("ARVADOS_API_HOST=%s\n" % (os.environ["ARVADOS_API_HOST"]))
54 envfile.write("ARVADOS_API_TOKEN=%s\n" % (os.environ["ARVADOS_API_TOKEN"]))
55 envfile.write("ARVADOS_API_HOST_INSECURE=%s\n" % (os.environ["ARVADOS_API_HOST_INSECURE"]))
58 dockercmd = ["docker", "run",
61 "--env-file", envfile.name,
62 "--volume", "%s:/var/lib/docker" % varlibdocker,
63 "arvados/docker19-migrate",
65 "%s/%s" % (old_image["collection"], tarfile),
69 col.api_response()["owner_uuid"]]
71 out = subprocess.check_output(dockercmd)
73 new_collection = re.search(r"Migrated uuid is ([a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15})", out)
74 api_client.links().create(body={"link": {
75 'owner_uuid': col.api_response()["owner_uuid"],
76 'link_class': arvados.commands.keepdocker._migration_link_class,
77 'name': arvados.commands.keepdocker._migration_link_name,
78 'tail_uuid': old_image["collection"],
79 'head_uuid': new_collection.group(1)
80 }}).execute(num_retries=3)
82 print "Migrated '%s' to '%s'" % (old_image["collection"], new_collection.group(1))
84 shutil.rmtree(varlibdocker)