def on_put(self, request, response, project_id, pool):
"""Registers a new pool. Expects the following input:
::
{"weight": 100, "uri": ""}
An options object may also be provided.
:returns: HTTP | [201, 204]
"""
LOG.debug(u'PUT pool - name: %s', pool)
conf = self._ctrl.driver.conf
data = wsgi_utils.load(request)
wsgi_utils.validate(self._validators['create'], data)
if not storage_utils.can_connect(data['uri'], conf=conf):
raise wsgi_errors.HTTPBadRequestBody(
'cannot connect to %s' % data['uri']
)
try:
self._ctrl.create(pool, weight=data['weight'],
uri=data['uri'],
group=data.get('group'),
options=data.get('options', {}))
response.status = falcon.HTTP_201
response.location = request.path
except errors.PoolCapabilitiesMismatch as e:
LOG.exception(e)
title = _(u'Unable to create pool')
raise falcon.HTTPBadRequest(title, six.text_type(e))
except errors.PoolAlreadyExists as e:
LOG.exception(e)
raise wsgi_errors.HTTPConflict(six.text_type(e))
def on_patch(self, req, resp, project_id, queue_name, subscription_id):
if req.content_length:
document = wsgi_utils.deserialize(req.stream, req.content_length)
else:
document = {}
try:
self._validate.subscription_patching(document)
self._subscription_controller.update(queue_name,
subscription_id,
project=project_id,
**document)
resp.status = falcon.HTTP_204
resp.location = req.path
except storage_errors.SubscriptionDoesNotExist as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPNotFound(six.text_type(ex))
except storage_errors.SubscriptionAlreadyExists as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPConflict(six.text_type(ex))
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
except Exception as ex:
LOG.exception(ex)
description = (_(u'Subscription %(subscription_id)s could not be'
' updated.') %
dict(subscription_id=subscription_id))
raise falcon.HTTPBadRequest(_('Unable to update subscription'),
description)
def _do_remove(self, req, metadata, reserved_metadata, change):
path = change['path']
path_child = path[1]
if path_child in metadata:
metadata.pop(path_child)
elif path_child not in reserved_metadata:
msg = _("Can't remove non-existent object %s.")
raise wsgi_errors.HTTPConflict(msg % path_child)
def _do_replace(self, req, metadata, reserved_metadata, change):
path = change['path']
path_child = path[1]
value = change['value']
if path_child in metadata or path_child in reserved_metadata:
metadata[path_child] = value
else:
msg = _("Can't replace non-existent object %s.")
raise wsgi_errors.HTTPConflict(msg % path_child)
def on_post(self, req, resp, project_id, queue_name):
if req.content_length:
document = wsgi_utils.deserialize(req.stream, req.content_length)
else:
document = {}
try:
if not self._queue_controller.exists(queue_name, project_id):
self._queue_controller.create(queue_name, project=project_id)
self._validate.subscription_posting(document)
subscriber = document['subscriber']
options = document.get('options', {})
url = netutils.urlsplit(subscriber)
ttl = document.get('ttl', self._default_subscription_ttl)
mgr = driver.DriverManager('zaqar.notification.tasks',
url.scheme,
invoke_on_load=True)
req_data = req.headers.copy()
req_data.update(req.env)
mgr.driver.register(subscriber, options, ttl, project_id, req_data)
created = self._subscription_controller.create(queue_name,
subscriber,
ttl,
options,
project=project_id)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Subscription could not be created.')
raise wsgi_errors.HTTPServiceUnavailable(description)
now = timeutils.utcnow_ts()
now_dt = datetime.datetime.utcfromtimestamp(now)
expires = now_dt + datetime.timedelta(seconds=ttl)
api_version = req.path.split('/')[1]
if created:
subscription = self._subscription_controller.get(
queue_name, created, project_id)
# send confirm notification
self._notification.send_confirm_notification(
queue_name, subscription, self._conf, project_id, str(expires),
api_version)
resp.location = req.path
resp.status = falcon.HTTP_201
resp.body = utils.to_json(
{'subscription_id': six.text_type(created)})
else:
subscription = self._subscription_controller.get_with_subscriber(
queue_name, subscriber, project_id)
confirmed = subscription.get('confirmed', True)
if confirmed:
description = _(u'Such subscription already exists.'
u'Subscriptions are unique by project + queue '
u'+ subscriber URI.')
raise wsgi_errors.HTTPConflict(description,
headers={'location': req.path})
else:
# The subscription is not confirmed, re-send confirm
# notification
self._notification.send_confirm_notification(
queue_name, subscription, self._conf, project_id,
str(expires), api_version)
resp.location = req.path
resp.status = falcon.HTTP_201
resp.body = utils.to_json(
{'subscription_id': six.text_type(subscription['id'])})
