def get(self, image_id):
try:
db_api_image = dict(self.db_api.image_get(self.context, image_id))
if db_api_image['deleted']:
raise exception.ImageNotFound()
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No image found with ID %s") % image_id
raise exception.ImageNotFound(msg)
tags = self.db_api.image_tag_get_all(self.context, image_id)
image = self._format_image_from_db(db_api_image, tags)
return ImageProxy(image, self.context, self.db_api)
def get(self, service_id):
try:
db_api_service = dict(
self.db_api.service_get(self.context, service_id))
if db_api_service['deleted']:
raise exception.ImageNotFound()
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No storage service found with ID %s") % service_id
raise exception.ImageNotFound(msg)
service = self._format_service_from_db(db_api_service)
return ServiceProxy(service, self.context, self.db_api)
def remove(self, service):
try:
self.db_api.service_update(self.context,
service.id, {'status': service.status},
purge_props=True)
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No image found with ID %s") % service_id
raise exception.ImageNotFound(msg)
new_values = self.db_api.service_destroy(self.context, service.id)
service.updated_at = new_values['updated_at']
def remove(self, image):
image_values = self._format_image_to_db(image)
try:
self.db_api.image_update(self.context, image.image_id,
image_values, purge_props=True)
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No image found with ID %s") % image.image_id
raise exception.ImageNotFound(msg)
# NOTE(markwash): don't update tags?
new_values = self.db_api.image_destroy(self.context, image.image_id)
image.updated_at = new_values['updated_at']
def save(self, service, from_state=None):
service_values = self._format_service_to_db(service)
try:
new_values = self.db_api.service_update(self.context,
service.id,
service_values,
purge_props=True,
from_state=from_state)
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No service found with ID %s") % service.id
raise exception.ImageNotFound(msg)
service.updated_at = new_values['updated_at']
def save(self, image, from_state=None):
image_values = self._format_image_to_db(image)
if image_values['size'] > CONF.image_size_cap:
raise exception.ImageSizeLimitExceeded
try:
new_values = self.db_api.image_update(self.context,
image.image_id,
image_values,
purge_props=True,
from_state=from_state)
except (exception.ImageNotFound, exception.Forbidden):
msg = _("No image found with ID %s") % image.image_id
raise exception.ImageNotFound(msg)
self.db_api.image_tag_set_all(self.context, image.image_id, image.tags)
image.updated_at = new_values['updated_at']
def fake_process_v1_request(request, image_id, image_iterator,
image_meta):
raise exception.ImageNotFound()
def fake_delete():
raise exception.ImageNotFound()
def fake_save(self):
raise exception.ImageNotFound()
def upload_data_to_store(req, image_meta, image_data, store, notifier):
"""
Upload image data to specified store.
Upload image data to the store and cleans up on error.
"""
image_id = image_meta['id']
db_api = glance.db.get_api()
image_size = image_meta.get('size')
try:
# By default image_data will be passed as CooperativeReader object.
# But if 'user_storage_quota' is enabled and 'remaining' is not None
# then it will be passed as object of LimitingReader to
# 'store_add_to_backend' method.
image_data = utils.CooperativeReader(image_data)
remaining = glance.api.common.check_quota(
req.context, image_size, db_api, image_id=image_id)
if remaining is not None:
image_data = utils.LimitingReader(image_data, remaining)
(uri,
size,
checksum,
location_metadata) = store_api.store_add_to_backend(
image_meta['id'],
image_data,
image_meta['size'],
store,
context=req.context)
location_data = {'url': uri,
'metadata': location_metadata,
'status': 'active'}
try:
# recheck the quota in case there were simultaneous uploads that
# did not provide the size
glance.api.common.check_quota(
req.context, size, db_api, image_id=image_id)
except exception.StorageQuotaFull:
with excutils.save_and_reraise_exception():
LOG.info(_LI('Cleaning up %s after exceeding '
'the quota') % image_id)
store_utils.safe_delete_from_backend(
req.context, image_meta['id'], location_data)
def _kill_mismatched(image_meta, attr, actual):
supplied = image_meta.get(attr)
if supplied and supplied != actual:
msg = (_("Supplied %(attr)s (%(supplied)s) and "
"%(attr)s generated from uploaded image "
"(%(actual)s) did not match. Setting image "
"status to 'killed'.") % {'attr': attr,
'supplied': supplied,
'actual': actual})
LOG.error(msg)
safe_kill(req, image_id, 'saving')
initiate_deletion(req, location_data, image_id)
raise webob.exc.HTTPBadRequest(explanation=msg,
content_type="text/plain",
request=req)
# Verify any supplied size/checksum value matches size/checksum
# returned from store when adding image
_kill_mismatched(image_meta, 'size', size)
_kill_mismatched(image_meta, 'checksum', checksum)
# Update the database with the checksum returned
# from the backend store
LOG.debug("Updating image %(image_id)s data. "
"Checksum set to %(checksum)s, size set "
"to %(size)d", {'image_id': image_id,
'checksum': checksum,
'size': size})
update_data = {'checksum': checksum,
'size': size}
try:
try:
state = 'saving'
image_meta = registry.update_image_metadata(req.context,
image_id,
update_data,
from_state=state)
except exception.Duplicate:
image = registry.get_image_metadata(req.context, image_id)
if image['status'] == 'deleted':
raise exception.ImageNotFound()
else:
raise
except exception.ImageNotFound:
msg = _LI("Image %s could not be found after upload. The image may"
" have been deleted during the upload.") % image_id
LOG.info(msg)
# NOTE(jculp): we need to clean up the datastore if an image
# resource is deleted while the image data is being uploaded
#
# We get "location_data" from above call to store.add(), any
# exceptions that occur there handle this same issue internally,
# Since this is store-agnostic, should apply to all stores.
initiate_deletion(req, location_data, image_id)
raise webob.exc.HTTPPreconditionFailed(explanation=msg,
request=req,
content_type='text/plain')
except store_api.StoreAddDisabled:
msg = _("Error in store configuration. Adding images to store "
"is disabled.")
LOG.exception(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPGone(explanation=msg, request=req,
content_type='text/plain')
except exception.Duplicate as e:
msg = (_("Attempt to upload duplicate image: %s") %
utils.exception_to_str(e))
LOG.warn(msg)
# NOTE(dosaboy): do not delete the image since it is likely that this
# conflict is a result of another concurrent upload that will be
# successful.
notifier.error('image.upload', msg)
raise webob.exc.HTTPConflict(explanation=msg,
request=req,
content_type="text/plain")
except exception.Forbidden as e:
msg = (_("Forbidden upload attempt: %s") %
utils.exception_to_str(e))
LOG.warn(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPForbidden(explanation=msg,
request=req,
content_type="text/plain")
except store_api.StorageFull as e:
msg = (_("Image storage media is full: %s") %
utils.exception_to_str(e))
LOG.error(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPRequestEntityTooLarge(explanation=msg,
request=req,
content_type='text/plain')
except store_api.StorageWriteDenied as e:
msg = (_("Insufficient permissions on image storage media: %s") %
utils.exception_to_str(e))
LOG.error(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPServiceUnavailable(explanation=msg,
request=req,
content_type='text/plain')
except exception.ImageSizeLimitExceeded as e:
msg = (_("Denying attempt to upload image larger than %d bytes.")
% CONF.image_size_cap)
LOG.warn(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPRequestEntityTooLarge(explanation=msg,
request=req,
content_type='text/plain')
except exception.StorageQuotaFull as e:
msg = (_("Denying attempt to upload image because it exceeds the "
"quota: %s") % utils.exception_to_str(e))
LOG.warn(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPRequestEntityTooLarge(explanation=msg,
request=req,
content_type='text/plain')
except webob.exc.HTTPError:
# NOTE(bcwaldon): Ideally, we would just call 'raise' here,
# but something in the above function calls is affecting the
# exception context and we must explicitly re-raise the
# caught exception.
msg = _LE("Received HTTP error while uploading image %s") % image_id
notifier.error('image.upload', msg)
with excutils.save_and_reraise_exception():
LOG.exception(msg)
safe_kill(req, image_id, 'saving')
except (ValueError, IOError) as e:
msg = _("Client disconnected before sending all data to backend")
LOG.warn(msg)
safe_kill(req, image_id, 'saving')
raise webob.exc.HTTPBadRequest(explanation=msg,
content_type="text/plain",
request=req)
except Exception as e:
msg = _("Failed to upload image %s") % image_id
LOG.exception(msg)
safe_kill(req, image_id, 'saving')
notifier.error('image.upload', msg)
raise webob.exc.HTTPInternalServerError(explanation=msg,
request=req,
content_type='text/plain')
return image_meta, location_data
def fake_save(self, from_state=None):
raise exception.ImageNotFound()
