def download_disk(connection,
backup_uuid,
disk,
disk_path,
args,
incremental=False):
transfer = create_transfer(connection, backup_uuid, disk)
try:
# We must use the daemon for downloading a backup disk.
download_url = transfer.transfer_url
with client.ProgressBar() as pb:
client.download(download_url,
disk_path,
args.cafile,
incremental=incremental,
secure=args.secure,
progress=pb)
finally:
finalize_transfer(connection, transfer)
def download_disk(connection,
backup_uuid,
disk,
disk_path,
args,
incremental=False):
progress("Creating image transfer for disk %s" % disk.id)
transfer = imagetransfer.create_transfer(
connection,
disk,
types.ImageTransferDirection.DOWNLOAD,
backup=types.Backup(id=backup_uuid))
try:
progress("Image transfer %s is ready" % transfer.id)
download_url = transfer.transfer_url
extra_args = {}
parameters = inspect.signature(client.download).parameters
# Use multiple workers to speed up the download.
if "max_workers" in parameters:
extra_args["max_workers"] = args.max_workers
# Use proxy_url if available. Download will use proxy_url if
# transfer_url is not available.
if "proxy_url" in parameters:
extra_args["proxy_url"] = transfer.proxy_url
with client.ProgressBar() as pb:
client.download(download_url,
disk_path,
args.cafile,
incremental=incremental,
secure=args.secure,
buffer_size=args.buffer_size,
progress=pb,
**extra_args)
finally:
progress("Finalizing image transfer")
imagetransfer.finalize_transfer(connection, transfer, disk)
# Use multiple workers to speed up the upload.
if "max_workers" in parameters:
extra_args["max_workers"] = args.max_workers
if args.use_proxy:
upload_url = transfer.proxy_url
else:
upload_url = transfer.transfer_url
# Use fallback to proxy_url if feature is available. Upload will use the
# proxy_url if transfer_url is not accessible.
if "proxy_url" in parameters:
extra_args["proxy_url"] = transfer.proxy_url
progress("Uploading image...")
with client.ProgressBar() as pb:
client.upload(args.filename,
upload_url,
args.cafile,
secure=args.secure,
buffer_size=args.buffer_size,
progress=pb,
**extra_args)
progress("Finalizing image transfer...")
imagetransfer.finalize_transfer(connection, transfer, disk)
connection.close()
progress("Upload completed successfully")
