9b6350afa5
This patch re-structures Marconi's codebase in a way that it'll be possible to add other services such as marconi-proxy and marconi-notification as standalone services within Marconi. Implements blueprint change-marconi-structure Change-Id: Id6061f04ec6e6959143fb0f5905bb8799fd86edd
109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
# Copyright (c) 2013 Red Hat, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
|
|
class ConnectionError(Exception):
|
|
"""Raised when the connection with the back-end
|
|
was lost.
|
|
"""
|
|
|
|
|
|
class DoesNotExist(Exception):
|
|
"""Resource does not exist."""
|
|
|
|
|
|
class NotPermitted(Exception):
|
|
"""Operation not permitted."""
|
|
|
|
|
|
class Conflict(Exception):
|
|
"""Resource could not be created due to a conflict
|
|
with an existing resource.
|
|
"""
|
|
|
|
|
|
class MessageConflict(Conflict):
|
|
|
|
def __init__(self, queue, project, message_ids):
|
|
"""Initializes the error with contextual information.
|
|
|
|
:param queue: name of the queue to which the message was posted
|
|
:param project: name of the project to which the queue belongs
|
|
:param message_ids: list of IDs for messages successfully
|
|
posted. Note that these must be in the same order as the
|
|
list of messages originally submitted to be enqueued.
|
|
"""
|
|
msg = (u'Message could not be enqueued due to a conflict '
|
|
u'with another message that is already in '
|
|
u'queue %(queue)s for project %(project)s' %
|
|
dict(queue=queue, project=project))
|
|
|
|
super(MessageConflict, self).__init__(msg)
|
|
|
|
self._succeeded_ids = message_ids
|
|
|
|
@property
|
|
def succeeded_ids(self):
|
|
return self._succeeded_ids
|
|
|
|
|
|
class QueueDoesNotExist(DoesNotExist):
|
|
|
|
def __init__(self, name, project):
|
|
msg = (u'Queue %(name)s does not exist for project %(project)s' %
|
|
dict(name=name, project=project))
|
|
super(QueueDoesNotExist, self).__init__(msg)
|
|
|
|
|
|
class QueueIsEmpty(Exception):
|
|
|
|
def __init__(self, name, project):
|
|
msg = (u'Queue %(name)s in project %(project)s is empty' %
|
|
dict(name=name, project=project))
|
|
super(QueueIsEmpty, self).__init__(msg)
|
|
|
|
|
|
class MessageDoesNotExist(DoesNotExist):
|
|
|
|
def __init__(self, mid, queue, project):
|
|
msg = (u'Message %(mid)s does not exist in '
|
|
u'queue %(queue)s for project %(project)s' %
|
|
dict(mid=mid, queue=queue, project=project))
|
|
super(MessageDoesNotExist, self).__init__(msg)
|
|
|
|
|
|
class MessageIsClaimed(NotPermitted):
|
|
|
|
def __init__(self, mid):
|
|
msg = (u'Message %(mid)s is claimed' % dict(mid=mid))
|
|
super(MessageIsClaimed, self).__init__(msg)
|
|
|
|
|
|
class ClaimDoesNotExist(DoesNotExist):
|
|
|
|
def __init__(self, cid, queue, project):
|
|
msg = (u'Claim %(cid)s does not exist in '
|
|
u'queue %(queue)s for project %(project)s' %
|
|
dict(cid=cid, queue=queue, project=project))
|
|
super(ClaimDoesNotExist, self).__init__(msg)
|
|
|
|
|
|
class MessageIsClaimedBy(NotPermitted):
|
|
|
|
def __init__(self, mid, cid):
|
|
msg = (u'Message %(mid)s is not claimed by %(cid)s' %
|
|
dict(cid=cid, mid=mid))
|
|
super(MessageIsClaimedBy, self).__init__(msg)
|