python-zaqarclient/zaqarclient/queues/v2/client.py

125 lines
4.0 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.
from oslo_utils import uuidutils
from zaqarclient.common import decorators
from zaqarclient.queues.v1 import client
from zaqarclient.queues.v1 import iterator
from zaqarclient.queues.v2 import core
from zaqarclient.queues.v2 import queues
from zaqarclient.queues.v2 import subscription
class Client(client.Client):
"""Client base class
:param url: Zaqar's instance base url.
:type url: `six.text_type`
:param version: API Version pointing to.
:type version: `int`
:param conf: CONF object.
:type conf: `oslo_config.cfg.CONF`
"""
queues_module = queues
def __init__(self, url=None, version=2, conf=None, session=None):
self.conf = conf or {}
self.api_url = url
self.api_version = version
self.auth_opts = self.conf.get('auth_opts', {})
self.client_uuid = self.conf.get('client_uuid',
uuidutils.generate_uuid(dashed=False))
self.session = session
def queue(self, ref, **kwargs):
"""Returns a queue instance
:param ref: Queue's reference id.
:type ref: `six.text_type`
:returns: A queue instance
:rtype: `queues.Queue`
"""
return queues.Queue(self, ref, **kwargs)
def queues(self, **params):
"""Gets a list of queues from the server
:returns: A list of queues
:rtype: `list`
"""
req, trans = self._request_and_transport()
queue_list = core.queue_list(trans, req, **params)
count = None
if params.get("with_count"):
count = queue_list.get("count", None)
return iterator._Iterator(self, queue_list, 'queues',
self.queues_module.create_object(self)),\
count
@decorators.version(min_version=2)
def subscription(self, queue_name, **kwargs):
"""Returns a subscription instance
:param queue_name: Name of the queue to subscribe to.
:type queue_name: `six.text_type`
:returns: A subscription instance
:rtype: `subscription.Subscription`
"""
return subscription.Subscription(self, queue_name, **kwargs)
@decorators.version(min_version=2)
def subscriptions(self, queue_name, **params):
"""Gets a list of subscriptions from the server
:param params: Filters to use for getting subscriptions
:type params: dict.
:returns: A list of subscriptions
:rtype: `list`
"""
req, trans = self._request_and_transport()
subscription_list = core.subscription_list(trans, req, queue_name,
**params)
return iterator._Iterator(self,
subscription_list,
'subscriptions',
subscription.create_object(self))
def ping(self):
"""Gets the health status of Zaqar server."""
req, trans = self._request_and_transport()
return core.ping(trans, req)
@decorators.version(min_version=1.1)
def health(self):
"""Gets the detailed health status of Zaqar server."""
req, trans = self._request_and_transport()
return core.health(trans, req)
@decorators.version(min_version=1.1)
def homedoc(self):
"""Get the detailed resource doc of Zaqar server"""
req, trans = self._request_and_transport()
return core.homedoc(trans, req)