123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2012 IBM Corp.
|
|
# Copyright (c) 2012 OpenStack LLC.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
#
|
|
# Authors:
|
|
# Erik Zaadi <erikz@il.ibm.com>
|
|
# Avishay Traeger <avishay@il.ibm.com>
|
|
|
|
"""
|
|
Volume driver for IBM XIV storage systems.
|
|
"""
|
|
|
|
from oslo.config import cfg
|
|
|
|
from cinder import exception
|
|
from cinder import flags
|
|
from cinder.openstack.common import importutils
|
|
from cinder.openstack.common import log as logging
|
|
from cinder.volume.drivers.san import san
|
|
|
|
ibm_xiv_opts = [
|
|
cfg.StrOpt('xiv_proxy',
|
|
default='xiv_openstack.nova_proxy.XIVNovaProxy',
|
|
help='Proxy driver'),
|
|
]
|
|
|
|
FLAGS = flags.FLAGS
|
|
FLAGS.register_opts(ibm_xiv_opts)
|
|
|
|
LOG = logging.getLogger('cinder.volume.xiv')
|
|
|
|
|
|
class XIVDriver(san.SanISCSIDriver):
|
|
"""IBM XIV volume driver."""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
"""Initialize the driver."""
|
|
|
|
proxy = importutils.import_class(FLAGS.xiv_proxy)
|
|
|
|
self.xiv_proxy = proxy({"xiv_user": FLAGS.san_login,
|
|
"xiv_pass": FLAGS.san_password,
|
|
"xiv_address": FLAGS.san_ip,
|
|
"xiv_vol_pool": FLAGS.san_clustername},
|
|
LOG,
|
|
exception)
|
|
san.SanISCSIDriver.__init__(self, *args, **kwargs)
|
|
|
|
def do_setup(self, context):
|
|
"""Setup and verify IBM XIV storage connection."""
|
|
|
|
self.xiv_proxy.setup(context)
|
|
|
|
def ensure_export(self, context, volume):
|
|
"""Ensure an export."""
|
|
|
|
return self.xiv_proxy.ensure_export(context, volume)
|
|
|
|
def create_export(self, context, volume):
|
|
"""Create an export."""
|
|
|
|
return self.xiv_proxy.create_export(context, volume)
|
|
|
|
def create_volume(self, volume):
|
|
"""Create a volume on the IBM XIV storage system."""
|
|
|
|
return self.xiv_proxy.create_volume(volume)
|
|
|
|
def delete_volume(self, volume):
|
|
"""Delete a volume on the IBM XIV storage system."""
|
|
|
|
self.xiv_proxy.delete_volume(volume)
|
|
|
|
def remove_export(self, context, volume):
|
|
"""Disconnect a volume from an attached instance."""
|
|
|
|
return self.xiv_proxy.remove_export(context, volume)
|
|
|
|
def initialize_connection(self, volume, connector):
|
|
"""Map the created volume."""
|
|
|
|
return self.xiv_proxy.initialize_connection(volume, connector)
|
|
|
|
def terminate_connection(self, volume, connector, **kwargs):
|
|
"""Terminate a connection to a volume."""
|
|
|
|
return self.xiv_proxy.terminate_connection(volume, connector)
|
|
|
|
def create_volume_from_snapshot(self, volume, snapshot):
|
|
"""Create a volume from a snapshot."""
|
|
|
|
return self.xiv_proxy.create_volume_from_snapshot(volume,
|
|
snapshot)
|
|
|
|
def create_snapshot(self, snapshot):
|
|
"""Create a snapshot."""
|
|
|
|
return self.xiv_proxy.create_snapshot(snapshot)
|
|
|
|
def delete_snapshot(self, snapshot):
|
|
"""Delete a snapshot."""
|
|
|
|
return self.xiv_proxy.delete_snapshot(snapshot)
|
|
|
|
def get_volume_stats(self, refresh=False):
|
|
"""Get volume stats."""
|
|
|
|
return self.xiv_proxy.get_volume_stats(refresh)
|