def _copy_image_to_volume(self, context, volume_ref,
image_id, image_location, image_service):
"""Downloads Glance image to the specified volume."""
copy_image_to_volume = self.driver.copy_image_to_volume
volume_id = volume_ref['id']
LOG.debug("Attempting download of %(image_id)s (%(image_location)s)"
" to volume %(volume_id)s.",
{'image_id': image_id, 'volume_id': volume_id,
'image_location': image_location})
try:
copy_image_to_volume(context, volume_ref, image_service, image_id)
except processutils.ProcessExecutionError as ex:
LOG.exception(_LE("Failed to copy image %(image_id)s to volume: "
"%(volume_id)s"),
{'volume_id': volume_id, 'image_id': image_id})
raise exception.ImageCopyFailure(reason=ex.stderr)
except exception.ImageUnacceptable as ex:
LOG.exception(_LE("Failed to copy image to volume: %(volume_id)s"),
{'volume_id': volume_id})
raise exception.ImageUnacceptable(ex)
except Exception as ex:
LOG.exception(_LE("Failed to copy image %(image_id)s to "
"volume: %(volume_id)s"),
{'volume_id': volume_id, 'image_id': image_id})
if not isinstance(ex, exception.ImageCopyFailure):
raise exception.ImageCopyFailure(reason=ex)
else:
raise
LOG.debug("Downloaded image %(image_id)s (%(image_location)s)"
" to volume %(volume_id)s successfully.",
{'image_id': image_id, 'volume_id': volume_id,
'image_location': image_location})
def _copy_image_to_volume(self, context, volume, image_service, image_id):
"""Downloads Glance image to the specified volume."""
volume_id = volume['id']
try:
self.driver.copy_image_to_volume(context, volume, image_service,
image_id)
except exception.ProcessExecutionError as ex:
LOG.error(
_("Failed to copy image to volume: %(volume_id)s, "
"error: %(error)s") % {
'volume_id': volume_id,
'error': ex.stderr
})
raise exception.ImageCopyFailure(reason=ex.stderr)
except Exception as ex:
LOG.error(
_("Failed to copy image to volume: %(volume_id)s, "
"error: %(error)s") % {
'volume_id': volume_id,
'error': ex
})
raise exception.ImageCopyFailure(reason=ex)
LOG.info(
_("Downloaded image %(image_id)s to %(volume_id)s "
"successfully.") % {
'image_id': image_id,
'volume_id': volume_id
})
def _copy_image_to_volume(self, context, volume,
image_meta, image_location, image_service):
image_id = image_meta['id']
"""Downloads Glance image to the specified volume."""
LOG.debug("Attempting download of %(image_id)s (%(image_location)s)"
" to volume %(volume_id)s.",
{'image_id': image_id, 'volume_id': volume.id,
'image_location': image_location})
try:
image_properties = image_meta.get('properties', {})
image_encryption_key = image_properties.get(
'cinder_encryption_key_id')
if volume.encryption_key_id and image_encryption_key:
# If the image provided an encryption key, we have
# already cloned it to the volume's key in
# _get_encryption_key_id, so we can do a direct copy.
self.driver.copy_image_to_volume(
context, volume, image_service, image_id)
elif volume.encryption_key_id:
# Creating an encrypted volume from a normal, unencrypted,
# image.
self.driver.copy_image_to_encrypted_volume(
context, volume, image_service, image_id)
else:
self.driver.copy_image_to_volume(
context, volume, image_service, image_id)
except processutils.ProcessExecutionError as ex:
LOG.exception("Failed to copy image %(image_id)s to volume: "
"%(volume_id)s",
{'volume_id': volume.id, 'image_id': image_id})
raise exception.ImageCopyFailure(reason=ex.stderr)
except exception.ImageUnacceptable as ex:
LOG.exception("Failed to copy image to volume: %(volume_id)s",
{'volume_id': volume.id})
raise exception.ImageUnacceptable(ex)
except exception.ImageTooBig as ex:
LOG.exception("Failed to copy image %(image_id)s to volume: "
"%(volume_id)s",
{'volume_id': volume.id, 'image_id': image_id})
excutils.save_and_reraise_exception()
except Exception as ex:
LOG.exception("Failed to copy image %(image_id)s to "
"volume: %(volume_id)s",
{'volume_id': volume.id, 'image_id': image_id})
if not isinstance(ex, exception.ImageCopyFailure):
raise exception.ImageCopyFailure(reason=ex)
else:
raise
LOG.debug("Downloaded image %(image_id)s (%(image_location)s)"
" to volume %(volume_id)s successfully.",
{'image_id': image_id, 'volume_id': volume.id,
'image_location': image_location})
def _use_glance_plugin_to_copy_image_to_volume(self, context, volume,
image_service, image_id):
sr_uuid, vdi_uuid = volume['provider_location'].split('/')
api_servers = glance.get_api_servers()
glance_server = api_servers.next()
auth_token = context.auth_token
overwrite_result = self.nfs_ops.use_glance_plugin_to_overwrite_volume(
CONF.xenapi_nfs_server,
CONF.xenapi_nfs_serverpath,
sr_uuid,
vdi_uuid,
glance_server,
image_id,
auth_token,
CONF.xenapi_sr_base_path)
if overwrite_result is False:
raise exception.ImageCopyFailure(reason='Overwriting volume '
'failed.')
self.nfs_ops.resize_volume(
CONF.xenapi_nfs_server,
CONF.xenapi_nfs_serverpath,
sr_uuid,
vdi_uuid,
volume['size'])
def test_volume_reimage_raise_exception(self):
volume = tests_utils.create_volume(self.context)
self.volume.create_volume(self.context, volume)
with mock.patch.object(self.volume.driver, 'copy_image_to_volume'
) as mock_cp_img:
mock_cp_img.side_effect = processutils.ProcessExecutionError
self.assertRaises(exception.ImageCopyFailure, self.volume.reimage,
self.context, volume, self.image_meta)
self.assertEqual(volume.previous_status, 'available')
self.assertEqual(volume.status, 'error')
mock_cp_img.side_effect = exception.ImageUnacceptable(
image_id=self.image_meta['id'], reason='')
self.assertRaises(exception.ImageUnacceptable, self.volume.reimage,
self.context, volume, self.image_meta)
mock_cp_img.side_effect = exception.ImageConversionNotAllowed(
image_id=self.image_meta['id'], reason='')
with mock.patch.object(
self.volume.message_api, 'create'
) as mock_msg_create:
self.assertRaises(
exception.ImageConversionNotAllowed, self.volume.reimage,
self.context, volume, self.image_meta)
mock_msg_create.assert_called_with(
self.context,
message_field.Action.REIMAGE_VOLUME,
resource_uuid=volume.id,
detail=message_field.Detail.IMAGE_FORMAT_UNACCEPTABLE)
mock_cp_img.side_effect = exception.ImageTooBig(
image_id=self.image_meta['id'], reason='')
self.assertRaises(exception.ImageTooBig, self.volume.reimage,
self.context, volume, self.image_meta)
mock_cp_img.side_effect = Exception
self.assertRaises(exception.ImageCopyFailure, self.volume.reimage,
self.context, volume, self.image_meta)
mock_cp_img.side_effect = exception.ImageCopyFailure(reason='')
self.assertRaises(exception.ImageCopyFailure, self.volume.reimage,
self.context, volume, self.image_meta)
def fake_copy_image_to_volume(context, volume, image_service,
image_id):
raise exception.ImageCopyFailure()
