migrate19_parser.add_argument(
'--version', action='version', version="%s %s" % (sys.argv[0], __version__),
help='Print version and exit.')
+ migrate19_parser.add_argument(
+ '--verbose', action="store_true", help="Print stdout/stderr even on success")
+ migrate19_parser.add_argument(
+ '--force', action="store_true", help="Try to migrate even if there isn't enough space")
+
+ migrate19_parser.add_argument(
+ '--storage-driver', type=str, default="overlay",
+ help="Docker storage driver, e.g. aufs, overlay, vfs")
exgroup = migrate19_parser.add_mutually_exclusive_group()
exgroup.add_argument(
if args.tempdir:
tempfile.tempdir = args.tempdir
+ if args.verbose:
+ logger.setLevel(logging.DEBUG)
+
only_migrate = None
if args.infile:
only_migrate = set()
need_migrate = {}
biggest = 0
+ biggest_pdh = None
for img in old_images:
i = uuid_to_collection[img["collection"]]
pdh = i["portable_data_hash"]
with CollectionReader(i["manifest_text"]) as c:
if c.values()[0].size() > biggest:
biggest = c.values()[0].size()
+ biggest_pdh = pdh
+
+
+ if args.storage_driver == "vfs":
+ will_need = (biggest*20)
+ else:
+ will_need = (biggest*2.5)
if args.print_unmigrated:
only_migrate = set()
for pdh in need_migrate:
- print pdh
+ print(pdh)
return
logger.info("Already migrated %i images", len(already_migrated))
logger.info("Need to migrate %i images", len(need_migrate))
logger.info("Using tempdir %s", tempfile.gettempdir())
- logger.info("Biggest image is about %i MiB, tempdir needs at least %i MiB free", biggest/(2**20), (biggest*2)/(2**20))
+ logger.info("Biggest image %s is about %i MiB", biggest_pdh, biggest/(2**20))
+
+ df_out = subprocess.check_output(["df", "-B1", tempfile.gettempdir()])
+ ln = df_out.splitlines()[1]
+ filesystem, blocks, used, available, use_pct, mounted = re.match(r"^([^ ]+) *([^ ]+) *([^ ]+) *([^ ]+) *([^ ]+) *([^ ]+)", ln).groups(1)
+ if int(available) <= will_need:
+ logger.warn("Temp filesystem mounted at %s does not have enough space for biggest image (has %i MiB, needs %i MiB)", mounted, int(available)/(2**20), will_need/(2**20))
+ if not args.force:
+ exit(1)
+ else:
+ logger.warn("--force provided, will migrate anyway")
if args.dry_run:
return
"--env-file", envfile.name,
"--volume", "%s:/var/lib/docker" % varlibdocker,
"--volume", "%s:/root/.cache/arvados/docker" % dockercache,
- "arvados/migrate-docker19",
+ "arvados/migrate-docker19:1.0",
"/root/migrate.sh",
"%s/%s" % (old_image["collection"], tarfile),
tarfile[0:40],
old_image["repo"],
old_image["tag"],
- uuid_to_collection[old_image["collection"]]["owner_uuid"]]
+ uuid_to_collection[old_image["collection"]]["owner_uuid"],
+ args.storage_driver]
proc = subprocess.Popen(dockercmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = proc.communicate()
+ initial_space = re.search(r"Initial available space is (\d+)", out)
+ imgload_space = re.search(r"Available space after image load is (\d+)", out)
+ imgupgrade_space = re.search(r"Available space after image upgrade is (\d+)", out)
+ keepdocker_space = re.search(r"Available space after arv-keepdocker is (\d+)", out)
+ cleanup_space = re.search(r"Available space after cleanup is (\d+)", out)
+
+ if initial_space:
+ isp = int(initial_space.group(1))
+ logger.debug("Available space initially: %i MiB", (isp)/(2**20))
+ if imgload_space:
+ sp = int(imgload_space.group(1))
+ logger.debug("Used after load: %i MiB", (isp-sp)/(2**20))
+ if imgupgrade_space:
+ sp = int(imgupgrade_space.group(1))
+ logger.debug("Used after upgrade: %i MiB", (isp-sp)/(2**20))
+ if keepdocker_space:
+ sp = int(keepdocker_space.group(1))
+ logger.debug("Used after upload: %i MiB", (isp-sp)/(2**20))
+
+ if cleanup_space:
+ sp = int(cleanup_space.group(1))
+ logger.info("Available after cleanup: %i MiB", (sp)/(2**20))
+
if proc.returncode != 0:
logger.error("Failed with return code %i", proc.returncode)
logger.error("--- Stdout ---\n%s", out)
logger.error("--- Stderr ---\n%s", err)
raise MigrationFailed()
+ if args.verbose:
+ logger.info("--- Stdout ---\n%s", out)
+ logger.info("--- Stderr ---\n%s", err)
+
migrated = re.search(r"Migrated uuid is ([a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15})", out)
if migrated:
newcol = CollectionReader(migrated.group(1))