def _get_size(self, context, image_meta, location):
# retrieve the image size from remote store (if not provided)
try:
return image_meta.get("size", 0) or get_size_from_backend(context, location)
except (exception.NotFound, exception.BadStoreUri) as e:
LOG.debug(e)
raise HTTPBadRequest(explanation=e.msg, content_type="text/plain")
def _handle_source(self, req, image_id, image_meta, image_data):
copy_from = self._copy_from(req)
location = image_meta.get("location")
sources = filter(lambda x: x, (copy_from, location, image_data))
if len(sources) >= 2:
msg = _("It's invalid to provide multiple image sources.")
LOG.debug(msg)
raise HTTPBadRequest(explanation=msg, request=req, content_type="text/plain")
if image_data:
image_meta = self._validate_image_for_activation(req, image_id, image_meta)
image_meta = self._upload_and_activate(req, image_meta)
elif copy_from:
msg = _("Triggering asynchronous copy from external source")
LOG.info(msg)
self.pool.spawn_n(self._upload_and_activate, req, image_meta)
else:
if location:
self._validate_image_for_activation(req, image_id, image_meta)
image_size_meta = image_meta.get("size")
if image_size_meta:
image_size_store = get_size_from_backend(req.context, location)
# NOTE(zhiyan): A returned size of zero usually means
# the driver encountered an error. In this case the
# size provided by the client will be used as-is.
if image_size_store and image_size_store != image_size_meta:
msg = _(
"Provided image size must match the stored "
"image size. (provided size: %(ps)d, "
"stored size: %(ss)d)"
) % {"ps": image_size_meta, "ss": image_size_store}
LOG.debug(msg)
raise HTTPConflict(explanation=msg, request=req, content_type="text/plain")
image_meta = self._activate(req, image_id, location)
return image_meta
def _get_size(self, context, image_meta, location):
# retrieve the image size from remote store (if not provided)
try:
return (image_meta.get('size', 0)
or get_size_from_backend(context, location))
except (exception.NotFound, exception.BadStoreUri) as e:
LOG.debug(e)
raise HTTPBadRequest(explanation=e.msg, content_type="text/plain")
def _set_image_size(context, image, locations):
if not image.size:
for location in locations:
size_from_backend = store.get_size_from_backend(
context, location['url'])
if size_from_backend:
# NOTE(flwang): This assumes all locations have the same size
image.size = size_from_backend
break
def _set_image_size(context, image, locations):
if not image.size:
for location in locations:
size_from_backend = store.get_size_from_backend(
context, location['url'])
if size_from_backend:
# NOTE(flwang): This assumes all locations have the same size
image.size = size_from_backend
break
def _handle_source(self, req, image_id, image_meta, image_data):
copy_from = self._copy_from(req)
location = image_meta.get('location')
sources = filter(lambda x: x, (copy_from, location, image_data))
if len(sources) >= 2:
msg = "It's invalid to provide multiple image sources."
LOG.debug(msg)
raise HTTPBadRequest(explanation=msg,
request=req,
content_type="text/plain")
if image_data:
image_meta = self._validate_image_for_activation(req,
image_id,
image_meta)
image_meta = self._upload_and_activate(req, image_meta)
elif copy_from:
msg = _('Triggering asynchronous copy from external source')
LOG.info(msg)
self.pool.spawn_n(self._upload_and_activate, req, image_meta)
else:
if location:
try:
validate_location(req.context, location)
except exception.BadStoreUri as bse:
raise HTTPBadRequest(explanation=bse.msg,
request=req)
self._validate_image_for_activation(req, image_id, image_meta)
image_size_meta = image_meta.get('size')
if image_size_meta:
image_size_store = get_size_from_backend(req.context,
location)
# NOTE(zhiyan): A returned size of zero usually means
# the driver encountered an error. In this case the
# size provided by the client will be used as-is.
if (image_size_store and
image_size_store != image_size_meta):
msg = ("Provided image size must match the stored "
"image size. (provided size: %(ps)d, "
"stored size: %(ss)d)" % {
"ps": image_size_meta,
"ss": image_size_store})
LOG.debug(msg)
raise HTTPConflict(explanation=msg,
request=req,
content_type="text/plain")
location_data = {'url': location, 'metadata': {},
'status': 'active'}
image_meta = self._activate(req, image_id, location_data)
return image_meta
def _reserve(self, req, image_meta):
"""
Adds the image metadata to the registry and assigns
an image identifier if one is not supplied in the request
headers. Sets the image's status to `queued`.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPConflict if image already exists
:raises HTTPBadRequest if image metadata is not valid
"""
location = image_meta.get('location')
if location:
store = get_store_from_location(location)
# check the store exists before we hit the registry, but we
# don't actually care what it is at this point
self.get_store_or_400(req, store)
# retrieve the image size from remote store (if not provided)
image_meta['size'] = image_meta.get('size', 0) \
or get_size_from_backend(location)
else:
# Ensure that the size attribute is set to zero for uploadable
# images (if not provided). The size will be set to a non-zero
# value during upload
image_meta['size'] = image_meta.get('size', 0)
image_meta['status'] = 'queued'
try:
image_meta = registry.add_image_metadata(req.context, image_meta)
return image_meta
except exception.Duplicate:
msg = (_("An image with identifier %s already exists")
% image_meta['id'])
logger.error(msg)
raise HTTPConflict(msg, request=req, content_type="text/plain")
except exception.Invalid, e:
msg = (_("Failed to reserve image. Got error: %(e)s") % locals())
for line in msg.split('\n'):
logger.error(line)
raise HTTPBadRequest(msg, request=req, content_type="text/plain")
def _reserve(self, req, image_meta):
"""
Adds the image metadata to the registry and assigns
an image identifier if one is not supplied in the request
headers. Sets the image's status to `queued`.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPConflict if image already exists
:raises HTTPBadRequest if image metadata is not valid
"""
location = image_meta.get('location')
if location:
store = get_store_from_location(location)
# check the store exists before we hit the registry, but we
# don't actually care what it is at this point
self.get_store_or_400(req, store)
# retrieve the image size from remote store (if not provided)
image_meta['size'] = image_meta.get('size', 0) \
or get_size_from_backend(location)
else:
# Ensure that the size attribute is set to zero for uploadable
# images (if not provided). The size will be set to a non-zero
# value during upload
image_meta['size'] = image_meta.get('size', 0)
image_meta['status'] = 'queued'
try:
image_meta = registry.add_image_metadata(req.context, image_meta)
return image_meta
except exception.Duplicate:
msg = (_("An image with identifier %s already exists")
% image_meta['id'])
logger.error(msg)
raise HTTPConflict(msg, request=req, content_type="text/plain")
except exception.Invalid, e:
msg = (_("Failed to reserve image. Got error: %(e)s") % locals())
for line in msg.split('\n'):
logger.error(line)
raise HTTPBadRequest(msg, request=req, content_type="text/plain")
def _get_size(self, context, image_meta, location):
# retrieve the image size from remote store (if not provided)
return image_meta.get('size', 0) or get_size_from_backend(context,
location)
def _get_size(self, context, image_meta, location):
# retrieve the image size from remote store (if not provided)
return image_meta.get('size', 0) or get_size_from_backend(context,
location)
