Thiago da Silva 1164a57616 fix pep8 and py27
Change-Id: Ie58d3d43505cdb599444eb9eab4bee28bbaf8eed
Signed-off-by: Thiago da Silva <thiago@redhat.com>
2015-09-10 14:23:12 +00:00

108 lines
4.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# 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.
""" Rados Object Server for Swift """
from __future__ import with_statement
import os
from swift import gettext_ as _
from eventlet import Timeout
from swift.common.bufferedhttp import http_connect
from swift.common.exceptions import ConnectionTimeout
from swift.common.http import is_success
from swift.obj import server
from swift_ceph_backend.rados_diskfile import RadosFileSystem
class ObjectController(server.ObjectController):
"""
Implements the WSGI application for the Swift Rados Object Server.
"""
def setup(self, conf):
ceph_conf = conf.get("rados_ceph_conf", None)
rados_user = conf.get("rados_user", None)
rados_pool = conf.get("rados_pool", None)
self._filesystem = RadosFileSystem(ceph_conf, rados_user, rados_pool)
def get_diskfile(self, device, partition, account, container, obj,
**kwargs):
"""
Utility method for instantiating a DiskFile object supporting a given
REST API.
"""
return self._filesystem.get_diskfile(device, partition, account,
container, obj, **kwargs)
def async_update(self, op, account, container, obj, host, partition,
contdevice, headers_out, objdevice):
"""
Sends or saves an async update.
:param op: operation performed (ex: 'PUT', or 'DELETE')
:param account: account name for the object
:param container: container name for the object
:param obj: object name
:param host: host that the container is on
:param partition: partition that the container is on
:param contdevice: device name that the container is on
:param headers_out: dictionary of headers to send in the container
request
:param objdevice: device name that the object is in
"""
headers_out['user-agent'] = 'obj-server %s' % os.getpid()
full_path = '/%s/%s/%s' % (account, container, obj)
if all([host, partition, contdevice]):
try:
with ConnectionTimeout(self.conn_timeout):
ip, port = host.rsplit(':', 1)
conn = http_connect(ip, port, contdevice, partition, op,
full_path, headers_out)
with Timeout(self.node_timeout):
response = conn.getresponse()
response.read()
if is_success(response.status):
return
else:
self.logger.error(_(
'ERROR Container update failed: %(status)d '
'response from %(ip)s:%(port)s/%(dev)s'),
{'status': response.status, 'ip': ip, 'port': port,
'dev': contdevice})
except (Exception, Timeout):
self.logger.exception(_(
'ERROR container update failed with '
'%(ip)s:%(port)s/%(dev)s'),
{'ip': ip, 'port': port, 'dev': contdevice})
# FIXME: For now don't handle async updates
def REPLICATE(self, request):
"""
Handle REPLICATE requests for the Swift Object Server. This is used
by the object replicator to get hashes for directories.
"""
pass
def app_factory(global_conf, **local_conf):
"""paste.deploy app factory for creating WSGI object server apps"""
conf = global_conf.copy()
conf.update(local_conf)
return ObjectController(conf)