def fetch_qcow2_image(context, timeout_secs, image_service, image_id,
**kwargs):
"""Download flat image from the glance image server."""
LOG.debug("Downloading image: %s from glance image server as a flat vmdk"
" file." % image_id)
read_iter = image_service.download(context, image_id)
read_handle = rw_util.GlanceFileRead(read_iter)
file_size = int(kwargs.get('image_size'))
tmp_file_name = "/tmp/" + str(uuid.uuid4()) + ".qcow2"
fp = open(tmp_file_name, "wb")
start_transfer(context,
timeout_secs,
read_handle,
file_size,
write_file_handle=fp)
if read_handle:
read_handle.close()
if fp:
fp.close()
converted_file_name = "/tmp/" + str(uuid.uuid4()) + ".vmdk"
convert_command = "qemu-img convert -f qcow2 -O vmdk " + tmp_file_name + " " + converted_file_name
result = subprocess.call([convert_command], shell=True)
if result == 0:
file_size = os.path.getsize(converted_file_name)
read_file_handle_local = rw_util.HybridFileHandle(
converted_file_name, "rb")
write_handle = rw_util.VMwareHTTPWriteFile(
kwargs.get('host'), kwargs.get('data_center_name'),
kwargs.get('datastore_name'), kwargs.get('cookies'),
kwargs.get('file_path'), file_size)
start_transfer(context,
timeout_secs,
read_file_handle_local,
file_size,
write_file_handle=write_handle)
if read_file_handle_local:
read_file_handle_local.close()
if write_handle:
write_handle.close()
if os.path.exists(tmp_file_name):
os.remove(tmp_file_name)
if os.path.exists(converted_file_name):
os.remove(converted_file_name)
LOG.info(_("Downloaded image: %s from glance image server.") % image_id)
def fetch_flat_image(context, timeout_secs, image_service, image_id, **kwargs):
"""Download flat image from the glance image server."""
LOG.debug("Downloading image: %s from glance image server as a flat vmdk"
" file." % image_id)
file_size = int(kwargs.get('image_size'))
read_iter = image_service.download(context, image_id)
read_handle = rw_util.GlanceFileRead(read_iter)
write_handle = rw_util.VMwareHTTPWriteFile(kwargs.get('host'),
kwargs.get('data_center_name'),
kwargs.get('datastore_name'),
kwargs.get('cookies'),
kwargs.get('file_path'),
file_size)
start_transfer(context, timeout_secs, read_handle, file_size,
write_file_handle=write_handle)
LOG.info(_("Downloaded image: %s from glance image server.") % image_id)
def fetch_stream_optimized_image(context, timeout_secs, image_service,
image_id, **kwargs):
"""Download stream optimized image from glance image server."""
LOG.debug("Downloading image: %s from glance image server using HttpNfc"
" import." % image_id)
file_size = int(kwargs.get('image_size'))
read_iter = image_service.download(context, image_id)
read_handle = rw_util.GlanceFileRead(read_iter)
write_handle = rw_util.VMwareHTTPWriteVmdk(kwargs.get('session'),
kwargs.get('host'),
kwargs.get('resource_pool'),
kwargs.get('vm_folder'),
kwargs.get('vm_create_spec'),
file_size)
start_transfer(context, timeout_secs, read_handle, file_size,
write_file_handle=write_handle)
LOG.info(_("Downloaded image: %s from glance image server.") % image_id)