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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2010 OpenStack Foundation
# (c) Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
#
# 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.config import cfg
from nova.openstack.common import log as logging
from nova.storage import linuxscsi
from nova import test
from nova import utils
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
class StorageLinuxSCSITestCase(test.NoDBTestCase):
def setUp(self):
super(StorageLinuxSCSITestCase, self).setUp()
self.executes = []
def fake_execute(*cmd, **kwargs):
self.executes.append(cmd)
return None, None
self.stubs.Set(utils, 'execute', fake_execute)
def test_find_multipath_device_3par(self):
def fake_execute(*cmd, **kwargs):
out = ("mpath6 (350002ac20398383d) dm-3 3PARdata,VV\n"
"size=2.0G features='0' hwhandler='0' wp=rw\n"
"`-+- policy='round-robin 0' prio=-1 status=active\n"
" |- 0:0:0:1 sde 8:64 active undef running\n"
" `- 2:0:0:1 sdf 8:80 active undef running\n"
)
return out, None
def fake_execute2(*cmd, **kwargs):
out = ("350002ac20398383d dm-3 3PARdata,VV\n"
"size=2.0G features='0' hwhandler='0' wp=rw\n"
"`-+- policy='round-robin 0' prio=-1 status=active\n"
" |- 0:0:0:1 sde 8:64 active undef running\n"
" `- 2:0:0:1 sdf 8:80 active undef running\n"
)
return out, None
self.stubs.Set(utils, 'execute', fake_execute)
info = linuxscsi.find_multipath_device('/dev/sde')
LOG.error("info = %s" % info)
self.assertEqual("/dev/dm-3", info["device"])
self.assertEqual("/dev/sde", info['devices'][0]['device'])
self.assertEqual("0", info['devices'][0]['host'])
self.assertEqual("0", info['devices'][0]['id'])
self.assertEqual("0", info['devices'][0]['channel'])
self.assertEqual("1", info['devices'][0]['lun'])
self.assertEqual("/dev/sdf", info['devices'][1]['device'])
self.assertEqual("2", info['devices'][1]['host'])
self.assertEqual("0", info['devices'][1]['id'])
self.assertEqual("0", info['devices'][1]['channel'])
self.assertEqual("1", info['devices'][1]['lun'])
def test_find_multipath_device_svc(self):
def fake_execute(*cmd, **kwargs):
out = ("36005076da00638089c000000000004d5 dm-2 IBM,2145\n"
"size=954M features='1 queue_if_no_path' hwhandler='0'"
" wp=rw\n"
"|-+- policy='round-robin 0' prio=-1 status=active\n"
"| |- 6:0:2:0 sde 8:64 active undef running\n"
"| `- 6:0:4:0 sdg 8:96 active undef running\n"
"`-+- policy='round-robin 0' prio=-1 status=enabled\n"
" |- 6:0:3:0 sdf 8:80 active undef running\n"
" `- 6:0:5:0 sdh 8:112 active undef running\n"
)
return out, None
self.stubs.Set(utils, 'execute', fake_execute)
info = linuxscsi.find_multipath_device('/dev/sde')
LOG.error("info = %s" % info)
self.assertEqual("/dev/dm-2", info["device"])
self.assertEqual("/dev/sde", info['devices'][0]['device'])
self.assertEqual("6", info['devices'][0]['host'])
self.assertEqual("0", info['devices'][0]['channel'])
self.assertEqual("2", info['devices'][0]['id'])
self.assertEqual("0", info['devices'][0]['lun'])
self.assertEqual("/dev/sdf", info['devices'][2]['device'])
self.assertEqual("6", info['devices'][2]['host'])
self.assertEqual("0", info['devices'][2]['channel'])
self.assertEqual("3", info['devices'][2]['id'])
self.assertEqual("0", info['devices'][2]['lun'])
def test_find_multipath_device_ds8000(self):
def fake_execute(*cmd, **kwargs):
out = ("36005076303ffc48e0000000000000101 dm-2 IBM,2107900\n"
"size=1.0G features='1 queue_if_no_path' hwhandler='0'"
" wp=rw\n"
"`-+- policy='round-robin 0' prio=-1 status=active\n"
" |- 6:0:2:0 sdd 8:64 active undef running\n"
" `- 6:1:0:3 sdc 8:32 active undef running\n"
)
return out, None
self.stubs.Set(utils, 'execute', fake_execute)
info = linuxscsi.find_multipath_device('/dev/sdd')
LOG.error("info = %s" % info)
self.assertEqual("/dev/dm-2", info["device"])
self.assertEqual("/dev/sdd", info['devices'][0]['device'])
self.assertEqual("6", info['devices'][0]['host'])
self.assertEqual("0", info['devices'][0]['channel'])
self.assertEqual("2", info['devices'][0]['id'])
self.assertEqual("0", info['devices'][0]['lun'])
self.assertEqual("/dev/sdc", info['devices'][1]['device'])
self.assertEqual("6", info['devices'][1]['host'])
self.assertEqual("1", info['devices'][1]['channel'])
self.assertEqual("0", info['devices'][1]['id'])
self.assertEqual("3", info['devices'][1]['lun'])
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