def create_transfer(connection, backup_uuid, disk):
progress("Creating image transfer for disk %s" % disk.id)
transfers_service = connection.system_service().image_transfers_service()
transfer = transfers_service.add(
types.ImageTransfer(
disk=disk,
# required for when downloading backup disks
backup=types.Backup(id=backup_uuid),
direction=types.ImageTransferDirection.DOWNLOAD,
# required for when downloading backup disks
format=types.DiskFormat.RAW,
))
progress("Waiting until transfer %s will be ready" % transfer.id)
transfer_service = transfers_service.image_transfer_service(transfer.id)
while transfer.phase == types.ImageTransferPhase.INITIALIZING:
time.sleep(1)
transfer = transfer_service.get()
progress("Image transfer %s is ready" % transfer.id)
progress("Transfer url: %s" % transfer.transfer_url)
return transfer
def start_backup(connection, args):
system_service = connection.system_service()
vm_service = system_service.vms_service().vm_service(id=args.vm_uuid)
backups_service = vm_service.backups_service()
if args.disk_uuid:
disks = [types.Disk(id=disk_id) for disk_id in args.disk_uuid]
else:
disks = get_vm_disks(connection, args.vm_uuid)
backup = backups_service.add(
types.Backup(disks=disks,
from_checkpoint_id=args.from_checkpoint_uuid))
progress("Waiting until backup %s is ready" % backup.id)
backup_service = backups_service.backup_service(backup.id)
while backup.phase != types.BackupPhase.READY:
time.sleep(1)
try:
backup = backup_service.get()
except sdk.NotFoundError:
raise RuntimeError("Backup {} failed".format(backup.id))
if backup.to_checkpoint_id is not None:
progress("Created checkpoint %r (to use in --from-checkpoint-uuid "
"for the next incremental backup)" % backup.to_checkpoint_id)
return backup
def test_incremental_backup_vm2(engine_api):
engine = engine_api.system_service()
disks_service = engine.disks_service()
disk2 = disks_service.list(search='name={}'.format(DISK2_NAME))[0]
vm2_backups_service = test_utils.get_vm_service(
engine, VM2_NAME).backups_service()
created_checkpoint_id = None
# The first iteration will be a full VM backup (from_checkpoint_id=None)
# and the second iteration will be an incremental VM backup.
for _ in range(2):
correlation_id = 'test_incremental_backup'
backup = vm2_backups_service.add(
types.Backup(disks=[types.Disk(id=disk2.id)],
from_checkpoint_id=created_checkpoint_id),
query={'correlation_id': correlation_id})
backup_service = vm2_backups_service.backup_service(backup.id)
assertions.assert_true_within_long(
lambda: backup_service.get().phase == types.BackupPhase.READY,
allowed_exceptions=[sdk4.NotFoundError])
backup = backup_service.get()
created_checkpoint_id = backup.to_checkpoint_id
backup_service.finalize()
assertions.assert_true_within_long(
lambda: len(vm2_backups_service.list()) == 0)
assertions.assert_true_within_long(lambda: disks_service.disk_service(
disk2.id).get().status == types.DiskStatus.OK)
def perform_vm_backup(
vm_backup_service,
disks_service,
disk,
from_checkpoint_id=None,
correlation_id=None,
):
backup = vm_backup_service.add(
types.Backup(
disks=[types.Disk(id=disk.id)],
from_checkpoint_id=from_checkpoint_id,
),
query={'correlation_id': correlation_id},
)
backup_service = vm_backup_service.backup_service(backup.id)
assert assert_utils.equals_within_long(
lambda: backup_service.get().phase,
types.BackupPhase.READY,
allowed_exceptions=[sdk4.NotFoundError],
)
backup = backup_service.get()
created_checkpoint_id = backup.to_checkpoint_id
backup_service.finalize()
assert assert_utils.equals_within_long(lambda: backup_service.get().phase,
types.BackupPhase.SUCCEEDED)
assert assert_utils.equals_within_long(
lambda: disks_service.disk_service(disk.id).get().status,
types.DiskStatus.OK,
)
return created_checkpoint_id
def perform_vm_backup(vm_backup_service,
disks_service,
disk,
from_checkpoint_id=None,
correlation_id=None):
backup = vm_backup_service.add(types.Backup(
disks=[types.Disk(id=disk.id)], from_checkpoint_id=from_checkpoint_id),
query={'correlation_id': correlation_id})
backup_service = vm_backup_service.backup_service(backup.id)
assertions.assert_true_within_long(
lambda: backup_service.get().phase == types.BackupPhase.READY,
allowed_exceptions=[sdk4.NotFoundError])
backup = backup_service.get()
created_checkpoint_id = backup.to_checkpoint_id
backup_service.finalize()
assertions.assert_true_within_long(
lambda: len(vm_backup_service.list()) == 0)
assertions.assert_true_within_long(lambda: disks_service.disk_service(
disk.id).get().status == types.DiskStatus.OK)
return created_checkpoint_id
def create_transfer(connection, backup_uuid, disk):
progress("Creating image transfer for disk %s" % disk.id)
transfers_service = connection.system_service().image_transfers_service()
transfer = transfers_service.add(
types.ImageTransfer(
disk=disk,
# required for when downloading backup disks
backup=types.Backup(id=backup_uuid),
direction=types.ImageTransferDirection.DOWNLOAD,
# required for when downloading backup disks
format=types.DiskFormat.RAW,
))
progress("Waiting until transfer %s will be ready" % transfer.id)
transfer_service = transfers_service.image_transfer_service(transfer.id)
while transfer.phase == types.ImageTransferPhase.INITIALIZING:
time.sleep(1)
transfer = transfer_service.get()
try:
transfer = transfer_service.get()
except sdk.NotFoundError:
# The system has removed the transfer.
raise RuntimeError("transfer %s was removed" % transfer.id)
if transfer.phase != types.ImageTransferPhase.TRANSFERRING:
progress("Canceling transfer %s" % transfer.id)
transfer_service.cancel()
raise RuntimeError(
"transfer {} initialization failed: {} != {}".format(
transfer.id, transfer.phase,
types.ImageTransferPhase.TRANSFERRING))
if transfer.transfer_url is None:
progress("Canceling transfer %s" % transfer.id)
transfer_service.cancel()
raise RuntimeError("Transfer {} missing transfer_url: {}".format(
transfer.id, transfer.transfer_url))
progress("Image transfer %s is ready" % transfer.id)
progress("Transfer url: %s" % transfer.transfer_url)
return 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)
def start_backup(connection, args):
system_service = connection.system_service()
vm_service = system_service.vms_service().vm_service(id=args.vm_uuid)
backups_service = vm_service.backups_service()
if args.disk_uuid:
disks = args.disk_uuid
else:
disks = get_vm_disks(connection, args.vm_uuid)
backup = backups_service.add(types.Backup(disks=disks))
progress("Waiting until backup %s is ready" % backup.id)
backup_service = backups_service.backup_service(backup.id)
while backup.phase != types.BackupPhase.READY:
time.sleep(1)
try:
backup = backup_service.get()
except sdk.NotFoundError:
raise RuntimeError("Backup {} failed".format(backup.id))
return backup