def _fetch(context, image_href, path, force_raw=False):
"""Fetch image and convert to raw format if needed."""
path_tmp = "%s.part" % path
images.fetch(context, image_href, path_tmp, force_raw=False)
# Notes(yjiang5): If glance can provide the virtual size information,
# then we can firstly clean cache and then invoke images.fetch().
if force_raw:
if images.force_raw_will_convert(image_href, path_tmp):
required_space = images.converted_size(path_tmp, estimate=False)
directory = os.path.dirname(path_tmp)
try:
_clean_up_caches(directory, required_space)
except exception.InsufficientDiskSpace:
# try again with an estimated raw size instead of the full size
required_space = images.converted_size(path_tmp, estimate=True)
try:
_clean_up_caches(directory, required_space)
except exception.InsufficientDiskSpace:
LOG.warning(
'Not enough space for estimated image size. '
'Consider lowering '
'[DEFAULT]raw_image_growth_factor=%s',
CONF.raw_image_growth_factor)
raise
images.image_to_raw(image_href, path, path_tmp)
else:
os.rename(path_tmp, path)
def _fetch_to_raw(context, image_href, path, image_service=None):
"""Fetch image and convert to raw format if needed."""
path_tmp = "%s.part" % path
images.fetch(context, image_href, path_tmp, image_service)
required_space = images.converted_size(path_tmp)
directory = os.path.dirname(path_tmp)
_clean_up_caches(directory, required_space)
images.image_to_raw(image_href, path, path_tmp)
def _fetch_to_raw(context, image_href, path, image_service=None):
"""Fetch image and convert to raw format if needed."""
path_tmp = "%s.part" % path
images.fetch(context, image_href, path_tmp, image_service)
required_space = images.converted_size(path_tmp)
directory = os.path.dirname(path_tmp)
_clean_up_caches(directory, required_space)
images.image_to_raw(image_href, path, path_tmp)
def test_image_to_raw_already_raw_format(self, qemu_img_info_mock, rename_mock):
info = self.FakeImgInfo()
info.file_format = "raw"
info.backing_file = None
qemu_img_info_mock.return_value = info
images.image_to_raw("image_href", "path", "path_tmp")
qemu_img_info_mock.assert_called_once_with("path_tmp")
rename_mock.assert_called_once_with("path_tmp", "path")
def test_image_to_raw_already_raw_format(self, qemu_img_info_mock,
rename_mock):
info = self.FakeImgInfo()
info.file_format = 'raw'
info.backing_file = None
qemu_img_info_mock.return_value = info
images.image_to_raw('image_href', 'path', 'path_tmp')
qemu_img_info_mock.assert_called_once_with('path_tmp')
rename_mock.assert_called_once_with('path_tmp', 'path')
def test_image_to_raw_already_raw_format(self, qemu_img_info_mock,
rename_mock):
info = self.FakeImgInfo()
info.file_format = 'raw'
info.backing_file = None
qemu_img_info_mock.return_value = info
images.image_to_raw('image_href', 'path', 'path_tmp')
qemu_img_info_mock.assert_called_once_with('path_tmp')
rename_mock.assert_called_once_with('path_tmp', 'path')
def _fetch(context, image_href, path, force_raw=False):
"""Fetch image and convert to raw format if needed."""
path_tmp = "%s.part" % path
images.fetch(context, image_href, path_tmp, force_raw=False)
# Notes(yjiang5): If glance can provide the virtual size information,
# then we can firstly clean cache and then invoke images.fetch().
if force_raw:
required_space = images.converted_size(path_tmp)
directory = os.path.dirname(path_tmp)
_clean_up_caches(directory, required_space)
images.image_to_raw(image_href, path, path_tmp)
else:
os.rename(path_tmp, path)
def _fetch(context, image_href, path, force_raw=False):
"""Fetch image and convert to raw format if needed."""
path_tmp = "%s.part" % path
images.fetch(context, image_href, path_tmp, force_raw=False)
# Notes(yjiang5): If glance can provide the virtual size information,
# then we can firstly clean cache and then invoke images.fetch().
if force_raw:
required_space = images.converted_size(path_tmp)
directory = os.path.dirname(path_tmp)
_clean_up_caches(directory, required_space)
images.image_to_raw(image_href, path, path_tmp)
else:
os.rename(path_tmp, path)
def test_image_to_raw(self, qemu_img_info_mock, convert_image_mock, unlink_mock, rename_mock):
CONF.set_override("force_raw_images", True)
info = self.FakeImgInfo()
info.file_format = "fmt"
info.backing_file = None
qemu_img_info_mock.return_value = info
def convert_side_effect(source, dest, out_format):
info.file_format = "raw"
convert_image_mock.side_effect = convert_side_effect
images.image_to_raw("image_href", "path", "path_tmp")
qemu_img_info_mock.assert_has_calls([mock.call("path_tmp"), mock.call("path.converted")])
convert_image_mock.assert_called_once_with("path_tmp", "path.converted", "raw")
unlink_mock.assert_called_once_with("path_tmp")
rename_mock.assert_called_once_with("path.converted", "path")
def test_image_to_raw(self, qemu_img_info_mock, convert_image_mock,
unlink_mock, rename_mock):
CONF.set_override('force_raw_images', True)
info = self.FakeImgInfo()
info.file_format = 'fmt'
info.backing_file = None
qemu_img_info_mock.return_value = info
def convert_side_effect(source, dest, out_format):
info.file_format = 'raw'
convert_image_mock.side_effect = convert_side_effect
images.image_to_raw('image_href', 'path', 'path_tmp')
qemu_img_info_mock.assert_has_calls([mock.call('path_tmp'),
mock.call('path.converted')])
convert_image_mock.assert_called_once_with('path_tmp',
'path.converted', 'raw')
unlink_mock.assert_called_once_with('path_tmp')
rename_mock.assert_called_once_with('path.converted', 'path')