def queue_prefetch(self, image_meta):
"""This adds a image to be prefetched to the queue directory.
If the image already exists in the queue directory or the
prefetching directory, we ignore it.
"""
image_id = image_meta['id']
if self.hit(image_id):
msg = "Skipping prefetch, image '%s' already cached" % image_id
logger.warn(msg)
raise exception.Invalid(msg)
if self.is_image_currently_prefetching(image_id):
msg = "Skipping prefetch, already prefetching image '%s'"\
% image_id
logger.warn(msg)
raise exception.Invalid(msg)
if self.is_image_queued_for_prefetch(image_id):
msg = "Skipping prefetch, image '%s' already queued for"\
" prefetching" % image_id
logger.warn(msg)
raise exception.Invalid(msg)
prefetch_path = os.path.join(self.prefetch_path, str(image_id))
# Touch the file to add it to the queue
with open(prefetch_path, "w") as f:
pass
utils.set_xattr(prefetch_path, 'image_name', image_meta['name'])
def queue_prefetch(self, image_meta):
"""This adds a image to be prefetched to the queue directory.
If the image already exists in the queue directory or the
prefetching directory, we ignore it.
"""
image_id = image_meta['id']
if self.hit(image_id):
msg = _("Skipping prefetch, image '%s' already cached") % image_id
logger.warn(msg)
raise exception.Invalid(msg)
if self.is_image_currently_prefetching(image_id):
msg = _("Skipping prefetch, already prefetching "
"image '%s'") % image_id
logger.warn(msg)
raise exception.Invalid(msg)
if self.is_image_queued_for_prefetch(image_id):
msg = _("Skipping prefetch, image '%s' already queued for"
" prefetching") % image_id
logger.warn(msg)
raise exception.Invalid(msg)
prefetch_path = os.path.join(self.prefetch_path, str(image_id))
# Touch the file to add it to the queue
with open(prefetch_path, "w") as f:
pass
utils.set_xattr(prefetch_path, 'image_name', image_meta['name'])
def set_xattr(key, value):
utils.set_xattr(incomplete_path, key, value)
def set_xattr(key, value):
utils.set_xattr(incomplete_path, key, value)