-#!/usr/bin/env python
-
-import arvados
-import arvados.util
-from arvados.collection import CollectionReader
-import arvados.commands.keepdocker
-import re
-import subprocess
-import os
-import tempfile
-import shutil
-
-from pprint import pprint
-
-def main():
- api_client = arvados.api()
-
- images = arvados.commands.keepdocker.list_images_in_arv(api_client, 3)
-
- is_new = lambda img: img['dockerhash'].startswith('sha256:')
-
- count_new = 0
- old_images = []
- for uuid, img in images:
- if img["dockerhash"].startswith("sha256:"):
- continue
- key = (img["repo"], img["tag"], img["timestamp"])
- old_images.append(img)
-
- migration_links = arvados.util.list_all(api_client.links().list, filters=[
- ['link_class', '=', arvados.commands.keepdocker._migration_link_class],
- ['name', '=', arvados.commands.keepdocker._migration_link_name],
- ])
-
- already_migrated = set()
- for m in migration_links:
- already_migrated.add(m["tail_uuid"])
-
- need_migrate = [img for img in old_images if img["collection"] not in already_migrated]
-
- print "Already migrated %i images" % (len(already_migrated))
- print "Need to migrate %i images" % (len(need_migrate))
-
- for old_image in need_migrate:
- print "Migrating %s" % (old_image["collection"])
-
- col = CollectionReader(old_image["collection"])
- tarfile = col.keys()[0]
-
- try:
- varlibdocker = tempfile.mkdtemp()
- with tempfile.NamedTemporaryFile() as envfile:
- envfile.write("ARVADOS_API_HOST=%s\n" % (os.environ["ARVADOS_API_HOST"]))
- envfile.write("ARVADOS_API_TOKEN=%s\n" % (os.environ["ARVADOS_API_TOKEN"]))
- envfile.write("ARVADOS_API_HOST_INSECURE=%s\n" % (os.environ["ARVADOS_API_HOST_INSECURE"]))
- envfile.flush()
-
- dockercmd = ["docker", "run",
- "--privileged",
- "--rm",
- "--env-file", envfile.name,
- "--volume", "%s:/var/lib/docker" % varlibdocker,
- "arvados/docker19-migrate",
- "/root/migrate.sh",
- "%s/%s" % (old_image["collection"], tarfile),
- tarfile[0:40],
- old_image["repo"],
- old_image["tag"],
- col.api_response()["owner_uuid"]]
-
- out = subprocess.check_output(dockercmd)
-
- new_collection = re.search(r"Migrated uuid is ([a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15})", out)
- api_client.links().create(body={"link": {
- 'owner_uuid': col.api_response()["owner_uuid"],
- 'link_class': arvados.commands.keepdocker._migration_link_class,
- 'name': arvados.commands.keepdocker._migration_link_name,
- 'tail_uuid': old_image["collection"],
- 'head_uuid': new_collection.group(1)
- }}).execute(num_retries=3)
-
- print "Migrated '%s' to '%s'" % (old_image["collection"], new_collection.group(1))
- finally:
- shutil.rmtree(varlibdocker)
-
- print "All done"
-
-
-main()