def create(self, req, task):
# NOTE(rosmaita): access to this call is enforced in the deserializer
ctxt = req.context
task_factory = self.gateway.get_task_factory(ctxt)
executor_factory = self.gateway.get_task_executor_factory(ctxt)
task_repo = self.gateway.get_task_repo(ctxt)
try:
new_task = task_factory.new_task(
task_type=task['type'],
owner=ctxt.owner,
task_input=task['input'],
image_id=task['input'].get('image_id'),
user_id=ctxt.user_id,
request_id=ctxt.request_id)
task_repo.add(new_task)
task_executor = executor_factory.new_task_executor(ctxt)
pool = common.get_thread_pool("tasks_pool")
pool.spawn(new_task.run, task_executor)
except exception.Forbidden as e:
msg = (_LW("Forbidden to create task. Reason: %(reason)s") % {
'reason': encodeutils.exception_to_unicode(e)
})
LOG.warn(msg)
raise webob.exc.HTTPForbidden(explanation=e.msg)
return new_task
def import_image(self, req, image_id, body):
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
task_input = {'image_id': image_id}
try:
import_task = task_factory.new_task(task_type='api_image_import',
owner=req.context.owner,
task_input=task_input)
task_repo.add(import_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(import_task.run, task_executor)
except exception.Forbidden as e:
LOG.debug("User not permitted to create image import task.")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.Conflict as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except exception.InvalidImageStatusTransition as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except ValueError as e:
LOG.debug("Cannot import data for image %(id)s: %(e)s", {
'id': image_id,
'e': encodeutils.exception_to_unicode(e)
})
raise webob.exc.HTTPBadRequest(
explanation=encodeutils.exception_to_unicode(e))
return image_id
def drain_threadpools():
# NOTE(danms): If there are any other named pools that we need to
# drain before exit, they should be in this list.
pools_to_drain = ['tasks_pool']
for pool_name in pools_to_drain:
pool_model = common.get_thread_pool(pool_name)
LOG.info('Waiting for remaining threads in pool %r', pool_name)
pool_model.pool.shutdown()
def test_drain_threadpools(self):
# Initialize the thread pool model and tasks_pool, like API
# under WSGI would, and so we have a pointer to that exact
# pool object in the cache
glance.async_.set_threadpool_model('native')
model = common.get_thread_pool('tasks_pool')
with mock.patch.object(model.pool, 'shutdown') as mock_shutdown:
wsgi_app.drain_threadpools()
# Make sure that shutdown() was called on the tasks_pool
# ThreadPoolExecutor
mock_shutdown.assert_called_once_with()
def create(self, req, task):
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
try:
new_task = task_factory.new_task(task_type=task['type'],
owner=req.context.owner,
task_input=task['input'])
task_repo.add(new_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(new_task.run, task_executor)
except exception.Forbidden as e:
msg = (_LW("Forbidden to create task. Reason: %(reason)s")
% {'reason': encodeutils.exception_to_unicode(e)})
LOG.warn(msg)
raise webob.exc.HTTPForbidden(explanation=e.msg)
return new_task
def create(self, req, task):
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
try:
new_task = task_factory.new_task(task_type=task['type'],
owner=req.context.owner,
task_input=task['input'])
task_repo.add(new_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(new_task.run, task_executor)
except exception.Forbidden as e:
msg = (_LW("Forbidden to create task. Reason: %(reason)s")
% {'reason': encodeutils.exception_to_unicode(e)})
LOG.warn(msg)
raise webob.exc.HTTPForbidden(explanation=e.msg)
return new_task
def import_image(self, req, image_id, body):
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
task_input = {'image_id': image_id}
try:
import_task = task_factory.new_task(task_type='api_image_import',
owner=req.context.owner,
task_input=task_input)
task_repo.add(import_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(import_task.run, task_executor)
except exception.Forbidden as e:
LOG.debug("User not permitted to create image import task.")
raise webob.exc.HTTPForbidden(explanation=e.msg)
return image_id
def run(self):
images = self.cache.get_queued_images()
if not images:
LOG.debug("Nothing to prefetch.")
return True
num_images = len(images)
LOG.debug("Found %d images to prefetch", num_images)
pool = api_common.get_thread_pool('prefetcher', size=num_images)
results = pool.map(self.fetch_image_into_cache, images)
successes = sum([1 for r in results if r is True])
if successes != num_images:
LOG.warn(
_LW("Failed to successfully cache all "
"images in queue."))
return False
LOG.info(_LI("Successfully cached all %d images"), num_images)
return True
def import_image(self, req, image_id, body):
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
task_input = {'image_id': image_id,
'import_req': body}
import_method = body.get('method').get('name')
uri = body.get('method').get('uri')
if (import_method == 'web-download' and
not utils.validate_import_uri(uri)):
LOG.debug("URI for web-download does not pass filtering: %s",
uri)
msg = (_("URI for web-download does not pass filtering: %s") %
uri)
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
import_task = task_factory.new_task(task_type='api_image_import',
owner=req.context.owner,
task_input=task_input)
task_repo.add(import_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(import_task.run, task_executor)
except exception.Forbidden as e:
LOG.debug("User not permitted to create image import task.")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.Conflict as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except exception.InvalidImageStatusTransition as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except ValueError as e:
LOG.debug("Cannot import data for image %(id)s: %(e)s",
{'id': image_id,
'e': encodeutils.exception_to_unicode(e)})
raise webob.exc.HTTPBadRequest(
explanation=encodeutils.exception_to_unicode(e))
return image_id
def import_image(self, req, image_id, body):
image_repo = self.gateway.get_repo(req.context)
task_factory = self.gateway.get_task_factory(req.context)
executor_factory = self.gateway.get_task_executor_factory(req.context)
task_repo = self.gateway.get_task_repo(req.context)
import_method = body.get('method').get('name')
uri = body.get('method').get('uri')
try:
image = image_repo.get(image_id)
if image.status == 'active':
msg = _("Image with status active cannot be target for import")
raise exception.Conflict(msg)
if image.status != 'queued' and import_method == 'web-download':
msg = _("Image needs to be in 'queued' state to use "
"'web-download' method")
raise exception.Conflict(msg)
if (image.status != 'uploading'
and import_method == 'glance-direct'):
msg = _("Image needs to be staged before 'glance-direct' "
"method can be used")
raise exception.Conflict(msg)
if not getattr(image, 'container_format', None):
msg = _("'container_format' needs to be set before import")
raise exception.Conflict(msg)
if not getattr(image, 'disk_format', None):
msg = _("'disk_format' needs to be set before import")
raise exception.Conflict(msg)
backend = None
if CONF.enabled_backends:
backend = req.headers.get('x-image-meta-store',
CONF.glance_store.default_backend)
try:
glance_store.get_store_from_store_identifier(backend)
except glance_store.UnknownScheme:
msg = _("Store for scheme %s not found") % backend
LOG.warn(msg)
raise exception.Conflict(msg)
except exception.Conflict as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
task_input = {
'image_id': image_id,
'import_req': body,
'backend': backend
}
if (import_method == 'web-download'
and not utils.validate_import_uri(uri)):
LOG.debug("URI for web-download does not pass filtering: %s", uri)
msg = (_("URI for web-download does not pass filtering: %s") % uri)
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
import_task = task_factory.new_task(task_type='api_image_import',
owner=req.context.owner,
task_input=task_input)
task_repo.add(import_task)
task_executor = executor_factory.new_task_executor(req.context)
pool = common.get_thread_pool("tasks_eventlet_pool")
pool.spawn_n(import_task.run, task_executor)
except exception.Forbidden as e:
LOG.debug("User not permitted to create image import task.")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.Conflict as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except exception.InvalidImageStatusTransition as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except ValueError as e:
LOG.debug("Cannot import data for image %(id)s: %(e)s", {
'id': image_id,
'e': encodeutils.exception_to_unicode(e)
})
raise webob.exc.HTTPBadRequest(
explanation=encodeutils.exception_to_unicode(e))
return image_id
