def on_get(self, req, resp, project_id, queue_name, claim_id):
LOG.debug(
u"Claim item GET - claim: %(claim_id)s, " u"queue: %(queue_name)s, project: %(project_id)s",
{"queue_name": queue_name, "project_id": project_id, "claim_id": claim_id},
)
try:
meta, msgs = self._claim_controller.get(queue_name, claim_id=claim_id, project=project_id)
# Buffer claimed messages
# TODO(kgriffs): Optimize along with serialization (see below)
meta["messages"] = list(msgs)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u"Claim could not be queried.")
raise wsgi_errors.HTTPServiceUnavailable(description)
# Serialize claimed messages
# TODO(kgriffs): Optimize
meta["messages"] = [
wsgi_utils.format_message_v1(msg, req.path.rsplit("/", 2)[0], meta["id"]) for msg in meta["messages"]
]
meta["href"] = req.path
del meta["id"]
resp.content_location = req.relative_uri
resp.body = utils.to_json(meta)
def on_get(self, req, resp, project_id, queue_name, claim_id):
try:
meta, msgs = self._claim_controller.get(
queue_name,
claim_id=claim_id,
project=project_id)
# Buffer claimed messages
# TODO(kgriffs): Optimize along with serialization (see below)
meta['messages'] = list(msgs)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPNotFound(six.text_type(ex))
except Exception:
description = _(u'Claim could not be queried.')
LOG.exception(description)
raise wsgi_errors.HTTPServiceUnavailable(description)
# Serialize claimed messages
# TODO(kgriffs): Optimize
meta['messages'] = [wsgi_utils.format_message_v1(
msg, req.path.rsplit('/', 2)[0], meta['id'])
for msg in meta['messages']]
meta['href'] = req.path
del meta['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(meta)
def on_get(self, req, resp, project_id, queue_name, message_id):
LOG.debug(
u'Messages item GET - message: %(message)s, '
u'queue: %(queue)s, project: %(project)s', {
'message': message_id,
'queue': queue_name,
'project': project_id
})
try:
message = self._message_controller.get(queue_name,
message_id,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.content_location = req.relative_uri
message = wsgi_utils.format_message_v1(message,
req.path.rsplit('/', 2)[0])
resp.body = utils.to_json(message)
def on_get(self, req, resp, project_id, queue_name, claim_id):
try:
meta, msgs = self._claim_controller.get(
queue_name,
claim_id=claim_id,
project=project_id)
# Buffer claimed messages
# TODO(kgriffs): Optimize along with serialization (see below)
meta['messages'] = list(msgs)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Claim could not be queried.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Serialize claimed messages
# TODO(kgriffs): Optimize
meta['messages'] = [wsgi_utils.format_message_v1(
msg, req.path.rsplit('/', 2)[0], meta['id'])
for msg in meta['messages']]
meta['href'] = req.path
del meta['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(meta)
def on_get(self, req, resp, project_id, queue_name, message_id):
LOG.debug(u'Messages item GET - message: %(message)s, '
u'queue: %(queue)s, project: %(project)s',
{'message': message_id,
'queue': queue_name,
'project': project_id})
try:
message = self._message_controller.get(
queue_name,
message_id,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.content_location = req.relative_uri
message = wsgi_utils.format_message_v1(
message, req.path.rsplit('/', 2)[0])
resp.body = utils.to_json(message)
def _get(self, req, project_id, queue_name):
client_uuid = wsgi_helpers.get_client_uuid(req)
kwargs = {}
# NOTE(kgriffs): This syntax ensures that
# we don't clobber default values with None.
req.get_param('marker', store=kwargs)
req.get_param_as_int('limit', store=kwargs)
req.get_param_as_bool('echo', store=kwargs)
req.get_param_as_bool('include_claimed', store=kwargs)
try:
self._validate.message_listing(**kwargs)
results = self._message_controller.list(
queue_name,
project=project_id,
client_uuid=client_uuid,
**kwargs)
# Buffer messages
cursor = next(results)
messages = list(cursor)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPNotFound(six.text_type(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be listed.')
raise wsgi_errors.HTTPServiceUnavailable(description)
if not messages:
return None
# Found some messages, so prepare the response
kwargs['marker'] = next(results)
base_path = req.path.rsplit('/', 1)[0]
messages = [wsgi_utils.format_message_v1(
m, base_path) for m in messages]
return {
'messages': messages,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
def _get(self, req, project_id, queue_name):
client_uuid = wsgi_helpers.get_client_uuid(req)
kwargs = {}
# NOTE(kgriffs): This syntax ensures that
# we don't clobber default values with None.
req.get_param('marker', store=kwargs)
req.get_param_as_int('limit', store=kwargs)
req.get_param_as_bool('echo', store=kwargs)
req.get_param_as_bool('include_claimed', store=kwargs)
try:
self._validate.message_listing(**kwargs)
results = self._message_controller.list(
queue_name,
project=project_id,
client_uuid=client_uuid,
**kwargs)
# Buffer messages
cursor = next(results)
messages = list(cursor)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be listed.')
raise wsgi_errors.HTTPServiceUnavailable(description)
if not messages:
return None
# Found some messages, so prepare the response
kwargs['marker'] = next(results)
base_path = req.path.rsplit('/', 1)[0]
messages = [wsgi_utils.format_message_v1(
m, base_path) for m in messages]
return {
'messages': messages,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(
u'Claims collection POST - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
# Check for an explicit limit on the # of messages to claim
limit = req.get_param_as_int('limit')
claim_options = {} if limit is None else {'limit': limit}
# Read claim metadata (e.g., TTL) and raise appropriate
# HTTP errors as needed.
document = wsgi_utils.deserialize(req.stream, req.content_length)
metadata = wsgi_utils.sanitize(document, CLAIM_POST_SPEC)
# Claim some messages
try:
self._validate.claim_creation(metadata, limit=limit)
cid, msgs = self._claim_controller.create(queue_name,
metadata=metadata,
project=project_id,
**claim_options)
# Buffer claimed messages
# TODO(kgriffs): optimize, along with serialization (below)
resp_msgs = list(msgs)
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'Claim could not be created.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Serialize claimed messages, if any. This logic assumes
# the storage driver returned well-formed messages.
if len(resp_msgs) != 0:
resp_msgs = [
wsgi_utils.format_message_v1(msg,
req.path.rpartition('/')[0], cid)
for msg in resp_msgs
]
resp.location = req.path + '/' + cid
resp.body = utils.to_json(resp_msgs)
resp.status = falcon.HTTP_201
else:
resp.status = falcon.HTTP_204
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(
u"Claims collection POST - queue: %(queue)s, " u"project: %(project)s",
{"queue": queue_name, "project": project_id},
)
# Check for an explicit limit on the # of messages to claim
limit = req.get_param_as_int("limit")
claim_options = {} if limit is None else {"limit": limit}
# Read claim metadata (e.g., TTL) and raise appropriate
# HTTP errors as needed.
document = wsgi_utils.deserialize(req.stream, req.content_length)
metadata = wsgi_utils.sanitize(document, CLAIM_POST_SPEC)
# Claim some messages
try:
self._validate.claim_creation(metadata, limit=limit)
cid, msgs = self._claim_controller.create(
queue_name, metadata=metadata, project=project_id, **claim_options
)
# Buffer claimed messages
# TODO(kgriffs): optimize, along with serialization (below)
resp_msgs = list(msgs)
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"Claim could not be created.")
raise wsgi_errors.HTTPServiceUnavailable(description)
# Serialize claimed messages, if any. This logic assumes
# the storage driver returned well-formed messages.
if len(resp_msgs) != 0:
resp_msgs = [wsgi_utils.format_message_v1(msg, req.path.rpartition("/")[0], cid) for msg in resp_msgs]
resp.location = req.path + "/" + cid
resp.body = utils.to_json(resp_msgs)
resp.status = falcon.HTTP_201
else:
resp.status = falcon.HTTP_204
def on_get(self, req, resp, project_id, queue_name, message_id):
try:
message = self._message_controller.get(queue_name,
message_id,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPNotFound(six.text_type(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.content_location = req.relative_uri
message = wsgi_utils.format_message_v1(message,
req.path.rsplit('/', 2)[0])
resp.body = utils.to_json(message)
def on_get(self, req, resp, project_id, queue_name, message_id):
try:
message = self._message_controller.get(
queue_name,
message_id,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPNotFound(six.text_type(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.content_location = req.relative_uri
message = wsgi_utils.format_message_v1(
message, req.path.rsplit('/', 2)[0])
resp.body = utils.to_json(message)
def _get_by_id(self, base_path, project_id, queue_name, ids):
"""Returns one or more messages from the queue by ID."""
try:
self._validate.message_listing(limit=len(ids))
messages = self._message_controller.bulk_get(queue_name, message_ids=ids, 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"Message could not be retrieved.")
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare response
messages = list(messages)
if not messages:
return None
return [wsgi_utils.format_message_v1(m, base_path) for m in messages]
def _get_by_id(self, base_path, project_id, queue_name, ids):
"""Returns one or more messages from the queue by ID."""
try:
self._validate.message_listing(limit=len(ids))
messages = self._message_controller.bulk_get(queue_name,
message_ids=ids,
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'Message could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare response
messages = list(messages)
if not messages:
return None
return [wsgi_utils.format_message_v1(m, base_path) for m in messages]
