def on_get(self, req, resp, project_id, queue_name):
try:
resp_dict = self.queue_ctrl.stats(queue_name, project=project_id)
message_stats = resp_dict['messages']
if message_stats['total'] != 0:
base_path = req.path[:req.path.rindex('/')] + '/messages/'
newest = message_stats['newest']
newest['href'] = base_path + newest['id']
del newest['id']
oldest = message_stats['oldest']
oldest['href'] = base_path + oldest['id']
del oldest['id']
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
# status defaults to 200
except storage_errors.QueueDoesNotExist as ex:
resp_dict = {'messages': {'claimed': 0, 'free': 0, 'total': 0}}
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue stats could not be read.')
raise wsgi_errors.HTTPServiceUnavailable(description)
def on_get(self, request, response, project_id, pool):
"""Returns a JSON object for a single pool entry:
::
{"weight": 100, "uri": "", options: {...}}
:returns: HTTP | [200, 404]
"""
LOG.debug(u'GET pool - name: %s', pool)
data = None
detailed = request.get_param_as_bool('detailed') or False
try:
data = self._ctrl.get(pool, detailed)
except errors.PoolDoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
data['href'] = request.path
# remove the name entry - it isn't needed on GET
del data['name']
response.body = transport_utils.to_json(data)
response.content_location = request.relative_uri
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, request, response, project_id, flavor):
"""Returns a JSON object for a single flavor entry:
::
{"pool": "", capabilities: {...}}
:returns: HTTP | [200, 404]
"""
LOG.debug(u'GET flavor - name: %s', flavor)
data = None
detailed = request.get_param_as_bool('detailed') or False
try:
data = self._ctrl.get(flavor,
project=project_id,
detailed=detailed)
except errors.FlavorDoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
data['href'] = request.path
# remove the name entry - it isn't needed on GET
del data['name']
response.body = transport_utils.to_json(data)
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}
# NOTE(kgriffs): Clients may or may not actually include the
# Content-Length header when the body is empty; the following
# check works for both 0 and None.
if not req.content_length:
# No values given, so use defaults
metadata = self._default_meta
else:
# 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, self._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:
base_path = req.path.rpartition('/')[0]
resp_msgs = [
wsgi_utils.format_message_v1_1(msg, base_path, cid)
for msg in resp_msgs
]
resp.location = req.path + '/' + cid
resp.body = utils.to_json({'messages': resp_msgs})
resp.status = falcon.HTTP_201
else:
resp.status = falcon.HTTP_204
def on_get(self, req, resp, project_id, queue_name):
try:
resp_dict = self._queue_ctrl.stats(queue_name,
project=project_id)
message_stats = resp_dict['messages']
if message_stats['total'] != 0:
base_path = req.path[:req.path.rindex('/')] + '/messages/'
newest = message_stats['newest']
newest['href'] = base_path + newest['id']
del newest['id']
oldest = message_stats['oldest']
oldest['href'] = base_path + oldest['id']
del oldest['id']
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
# status defaults to 200
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue stats could not be read.')
raise wsgi_errors.HTTPServiceUnavailable(description)
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
for msg in meta['messages']:
msg['href'] = wsgi_utils.message_url(
msg, req.path.rsplit('/', 2)[0], meta['id'])
del msg['id']
meta['href'] = req.path
del meta['id']
resp.body = utils.to_json(meta)
def on_get(self, request, response, project_id):
"""Returns a pool listing as objects embedded in an array:
[
{"href": "", "weight": 100, "uri": ""},
...
]
:returns: HTTP | [200, 204]
"""
LOG.debug(u'LIST pools')
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
results = {}
results['pools'] = list(self._ctrl.list(**store))
for entry in results['pools']:
entry['href'] = request.path + '/' + entry.pop('name')
if not results['pools']:
response.status = falcon.HTTP_204
return
response.content_location = request.relative_uri
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
def on_get(self, request, response, project_id, pool):
"""Returns a JSON object for a single pool entry:
::
{"weight": 100, "uri": "", options: {...}}
:returns: HTTP | [200, 404]
"""
LOG.debug(u'GET pool - name: %s', pool)
data = None
detailed = request.get_param_as_bool('detailed') or False
try:
data = self._ctrl.get(pool, detailed)
except errors.PoolDoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
data['href'] = request.path
# remove the name entry - it isn't needed on GET
del data['name']
response.body = transport_utils.to_json(data)
response.content_location = request.relative_uri
def on_get(self, request, response, project_id):
"""Returns a flavor listing as objects embedded in an array:
::
[
{"href": "", "capabilities": {}, "pool": ""},
...
]
:returns: HTTP | [200, 204]
"""
LOG.debug(u'LIST flavors for project_id %s' % project_id)
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
results = {}
results['flavors'] = list(self._ctrl.list(project=project_id, **store))
for entry in results['flavors']:
entry['href'] = request.path + '/' + entry.pop('name')
if not results['flavors']:
response.status = falcon.HTTP_204
return
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
def on_get(self, request, response, project_id):
"""Returns a pool listing as objects embedded in an array:
::
[
{"href": "", "weight": 100, "uri": ""},
...
]
:returns: HTTP | [200, 204]
"""
LOG.debug(u'LIST pools')
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
results = {}
results['pools'] = list(self._ctrl.list(**store))
for entry in results['pools']:
entry['href'] = request.path + '/' + entry.pop('name')
if not results['pools']:
response.status = falcon.HTTP_204
return
response.content_location = request.relative_uri
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
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, 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)
# Prepare response
message['href'] = req.path
del message['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(message)
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)
# Prepare response
message['href'] = req.path
message = wsgi_utils.format_message_v1_1(message,
req.path.rsplit('/', 2)[0],
message['claim_id'])
resp.body = utils.to_json(message)
def _pop_messages(self, queue_name, project_id, pop_limit):
try:
LOG.debug(
u'POP messages - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
messages = self._message_controller.pop(queue_name,
project=project_id,
limit=pop_limit)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be popped.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare response
if not messages:
messages = []
body = {'messages': messages}
body = utils.to_json(body)
return falcon.HTTP_200, body
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(
u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
response = self._get_by_id(
req.path.rsplit('/', 1)[0], project_id, queue_name, ids)
if response is None:
# NOTE(TheSriram): Trying to get a message by id, should
# return the message if its present, otherwise a 404 since
# the message might have been deleted.
resp.status = falcon.HTTP_404
else:
resp.body = utils.to_json(response)
def on_get(self, request, response, project_id, flavor):
"""Returns a JSON object for a single flavor entry:
::
{"pool": "", capabilities: {...}}
:returns: HTTP | [200, 404]
"""
LOG.debug(u'GET flavor - name: %s', flavor)
data = None
detailed = request.get_param_as_bool('detailed') or False
try:
data = self._ctrl.get(flavor,
project=project_id,
detailed=detailed)
except errors.FlavorDoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
data['href'] = request.path
# remove the name entry - it isn't needed on GET
del data['name']
response.body = transport_utils.to_json(data)
def on_get(self, req, resp, **kwargs):
try:
resp_dict = self._driver.health()
resp.body = utils.to_json(resp_dict)
except Exception as ex:
LOG.exception(ex)
description = _(u'Health status could not be read.')
raise wsgi_errors.HTTPServiceUnavailable(description)
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}
# NOTE(kgriffs): Clients may or may not actually include the
# Content-Length header when the body is empty; the following
# check works for both 0 and None.
if not req.content_length:
# No values given, so use defaults
metadata = self._default_meta
else:
# 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, self._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:
for msg in resp_msgs:
msg['href'] = _msg_uri_from_claim(
req.path.rpartition('/')[0], msg['id'], cid)
del msg['id']
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):
LOG.debug(u'Queue collection GET - project: %(project)s',
{'project': project_id})
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('detailed', store=kwargs)
try:
self._validate.queue_listing(**kwargs)
results = self.queue_controller.list(project=project_id, **kwargs)
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'Queues could not be listed.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Buffer list of queues
queues = list(next(results))
# Check for an empty list
if len(queues) == 0:
resp.status = falcon.HTTP_204
return
# Got some. Prepare the response.
kwargs['marker'] = next(results)
for each_queue in queues:
each_queue['href'] = req.path + '/' + each_queue['name']
response_body = {
'queues': queues,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
resp.content_location = req.relative_uri
resp.body = utils.to_json(response_body)
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:
for msg in resp_msgs:
msg['href'] = _msg_uri_from_claim(
req.path.rpartition('/')[0], msg['id'], cid)
del msg['id']
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, request, response, project_id):
"""Returns a flavor listing as objects embedded in an object:
::
{
"flavors": [
{"href": "", "capabilities": {}, "pool": ""},
...
],
"links": [
{"rel": "next", "href": ""},
...
]
}
:returns: HTTP | 200
"""
LOG.debug(u'LIST flavors for project_id %s' % project_id)
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
cursor = self._ctrl.list(project=project_id, **store)
flavors = list(next(cursor))
results = {}
if flavors:
store['marker'] = next(cursor)
for entry in flavors:
entry['href'] = request.path + '/' + entry.pop('name')
results['links'] = [
{
'rel': 'next',
'href': request.path + falcon.to_query_str(store)
}
]
results['flavors'] = flavors
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
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, request, response, project_id):
"""Returns a pool listing as objects embedded in an object:
::
{
"pools": [
{"href": "", "weight": 100, "uri": ""},
...
],
"links": [
{"href": "", "rel": "next"}
]
}
:returns: HTTP | 200
"""
LOG.debug(u'LIST pools')
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
cursor = self._ctrl.list(**store)
pools = list(next(cursor))
results = {}
if pools:
store['marker'] = next(cursor)
for entry in pools:
entry['href'] = request.path + '/' + entry.pop('name')
results['links'] = [
{
'rel': 'next',
'href': request.path + falcon.to_query_str(store)
}
]
results['pools'] = pools
response.content_location = request.relative_uri
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
def on_get(self, request, response, project_id):
"""Returns a flavor listing as objects embedded in an object:
::
{
"flavors": [
{"href": "", "capabilities": {}, "pool": ""},
...
],
"links": [
{"rel": "next", "href": ""},
...
]
}
:returns: HTTP | 200
"""
LOG.debug(u'LIST flavors for project_id %s' % project_id)
store = {}
request.get_param('marker', store=store)
request.get_param_as_int('limit', store=store)
request.get_param_as_bool('detailed', store=store)
cursor = self._ctrl.list(project=project_id, **store)
flavors = list(next(cursor))
results = {}
if flavors:
store['marker'] = next(cursor)
for entry in flavors:
entry['href'] = request.path + '/' + entry.pop('name')
results['links'] = [{
'rel': 'next',
'href': request.path + falcon.to_query_str(store)
}]
results['flavors'] = flavors
response.body = transport_utils.to_json(results)
response.status = falcon.HTTP_200
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
resp.content_location = req.relative_uri
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
response = self._get_by_id(req.path, project_id, queue_name, ids)
if response is None:
resp.status = falcon.HTTP_204
return
resp.body = utils.to_json(response)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(u'Queue metadata GET - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
try:
resp_dict = self._queue_controller.get(queue_name,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue metadata could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.body = utils.to_json(resp_dict)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(u'Queue metadata GET - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
try:
resp_dict = self._queue_controller.get(queue_name,
project=project_id)
except storage_errors.DoesNotExist as ex:
LOG.debug(ex)
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue metadata could not be retrieved.')
raise wsgi_errors.HTTPServiceUnavailable(description)
resp.body = utils.to_json(resp_dict)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(
u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
resp.content_location = req.relative_uri
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
response = self._get_by_id(req.path, project_id, queue_name, ids)
if response is None:
resp.status = falcon.HTTP_204
return
resp.body = utils.to_json(response)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
response = self._get_by_id(req.path.rsplit('/', 1)[0], project_id,
queue_name, ids)
if response is None:
# NOTE(TheSriram): Trying to get a message by id, should
# return the message if its present, otherwise a 404 since
# the message might have been deleted.
resp.status = falcon.HTTP_404
else:
resp.body = utils.to_json(response)
def _pop_messages(self, queue_name, project_id, pop_limit):
try:
LOG.debug(u'POP messages - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
messages = self._message_controller.pop(
queue_name,
project=project_id,
limit=pop_limit)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be popped.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare response
if not messages:
messages = []
body = {'messages': messages}
body = utils.to_json(body)
return falcon.HTTP_200, body
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
client_uuid = wsgi_helpers.get_client_uuid(req)
try:
# Place JSON size restriction before parsing
self._validate.message_length(req.content_length)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
# Deserialize and validate the request body
document = wsgi_utils.deserialize(req.stream, req.content_length)
messages = wsgi_utils.sanitize(document, MESSAGE_POST_SPEC,
doctype=wsgi_utils.JSONArray)
try:
self._validate.message_posting(messages)
message_ids = self._message_controller.post(
queue_name,
messages=messages,
project=project_id,
client_uuid=client_uuid)
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 storage_errors.MessageConflict as ex:
LOG.exception(ex)
description = _(u'No messages could be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
# NOTE(kgriffs): As of the Icehouse release, drivers are
# no longer allowed to enqueue a subset of the messages
# submitted by the client; it's all or nothing. Therefore,
# 'partial' is now always False in the v1.0 API, and the
# field has been removed in v1.1.
body = {'resources': hrefs, 'partial': False}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(
u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
client_uuid = wsgi_helpers.get_client_uuid(req)
try:
# Place JSON size restriction before parsing
self._validate.message_length(req.content_length)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
# Deserialize and validate the incoming messages
document = wsgi_utils.deserialize(req.stream, req.content_length)
if 'messages' not in document:
description = _(u'No messages were found in the request body.')
raise wsgi_errors.HTTPBadRequestAPI(description)
messages = wsgi_utils.sanitize(document['messages'],
self._message_post_spec,
doctype=wsgi_utils.JSONArray)
try:
self._validate.message_posting(messages)
if not self._queue_controller.exists(queue_name, project_id):
self._queue_controller.create(queue_name, project=project_id)
message_ids = self._message_controller.post(
queue_name,
messages=messages,
project=project_id,
client_uuid=client_uuid)
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 storage_errors.MessageConflict as ex:
LOG.exception(ex)
description = _(u'No messages could be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
body = {'resources': hrefs}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(
u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s', {
'queue': queue_name,
'project': project_id
})
client_uuid = wsgi_utils.get_client_uuid(req)
try:
# Place JSON size restriction before parsing
self._validate.message_length(req.content_length)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
# Deserialize and validate the request body
document = wsgi_utils.deserialize(req.stream, req.content_length)
messages = wsgi_utils.sanitize(document,
MESSAGE_POST_SPEC,
doctype=wsgi_utils.JSONArray)
try:
self._validate.message_posting(messages)
message_ids = self.message_controller.post(queue_name,
messages=messages,
project=project_id,
client_uuid=client_uuid)
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 storage_errors.MessageConflict as ex:
LOG.exception(ex)
message_ids = ex.succeeded_ids
if not message_ids:
# TODO(kgriffs): Include error code that is different
# from the code used in the generic case, below.
description = _(u'No messages could be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
# NOTE(kgriffs): As of the Icehouse release, drivers are
# no longer allowed to enqueue a subset of the messages
# submitted by the client; it's all or nothing. Therefore,
# 'partial' is now always False in the v1.0 API, and the
# field has been removed in v1.1.
body = {'resources': hrefs, 'partial': False}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s',
{'queue': queue_name, 'project': project_id})
client_uuid = wsgi_helpers.get_client_uuid(req)
try:
# Place JSON size restriction before parsing
self._validate.message_length(req.content_length)
except validation.ValidationFailed as ex:
LOG.debug(ex)
raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
# Deserialize and validate the incoming messages
document = wsgi_utils.deserialize(req.stream, req.content_length)
if 'messages' not in document:
description = _(u'No messages were found in the request body.')
raise wsgi_errors.HTTPBadRequestAPI(description)
messages = wsgi_utils.sanitize(document['messages'],
self._message_post_spec,
doctype=wsgi_utils.JSONArray)
try:
self._validate.message_posting(messages)
if not self._queue_controller.exists(queue_name, project_id):
self._queue_controller.create(queue_name, project=project_id)
message_ids = self._message_controller.post(
queue_name,
messages=messages,
project=project_id,
client_uuid=client_uuid)
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 storage_errors.MessageConflict as ex:
LOG.exception(ex)
description = _(u'No messages could be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_errors.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
body = {'resources': hrefs}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
