420 lines
14 KiB
Python
420 lines
14 KiB
Python
# Copyright (c) 2014 Hitachi Data Systems, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""
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Self test for Hitachi Unified Storage (HUS-HNAS) platform.
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"""
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import os
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import tempfile
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import mock
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import six
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from cinder import exception
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from cinder import test
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from cinder.volume import configuration as conf
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from cinder.volume.drivers.hitachi import hnas_iscsi as iscsi
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from cinder.volume import volume_types
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HNASCONF = """<?xml version="1.0" encoding="UTF-8" ?>
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<config>
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<hnas_cmd>ssc</hnas_cmd>
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<chap_enabled>True</chap_enabled>
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<mgmt_ip0>172.17.44.15</mgmt_ip0>
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<username>supervisor</username>
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<password>supervisor</password>
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<svc_0>
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<volume_type>default</volume_type>
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<iscsi_ip>172.17.39.132</iscsi_ip>
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<hdp>fs2</hdp>
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</svc_0>
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<svc_1>
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<volume_type>silver</volume_type>
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<iscsi_ip>172.17.39.133</iscsi_ip>
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<hdp>fs2</hdp>
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</svc_1>
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</config>
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"""
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HNAS_WRONG_CONF1 = """<?xml version="1.0" encoding="UTF-8" ?>
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<config>
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<hnas_cmd>ssc</hnas_cmd>
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<mgmt_ip0>172.17.44.15</mgmt_ip0>
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<username>supervisor</username>
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<password>supervisor</password>
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<volume_type>default</volume_type>
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<hdp>172.17.39.132:/cinder</hdp>
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</svc_0>
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</config>
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"""
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HNAS_WRONG_CONF2 = """<?xml version="1.0" encoding="UTF-8" ?>
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<config>
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<hnas_cmd>ssc</hnas_cmd>
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<mgmt_ip0>172.17.44.15</mgmt_ip0>
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<username>supervisor</username>
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<password>supervisor</password>
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<svc_0>
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<volume_type>default</volume_type>
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</svc_0>
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<svc_1>
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<volume_type>silver</volume_type>
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</svc_1>
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</config>
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"""
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# The following information is passed on to tests, when creating a volume
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_VOLUME = {'name': 'testvol', 'volume_id': '1234567890', 'size': 128,
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'volume_type': 'silver', 'volume_type_id': '1',
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'provider_location': None, 'id': 'abcdefg',
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'host': 'host1@hnas-iscsi-backend#silver'}
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class SimulatedHnasBackend(object):
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"""Simulation Back end. Talks to HNAS."""
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# these attributes are shared across object instances
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start_lun = 0
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init_index = 0
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target_index = 0
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hlun = 0
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def __init__(self):
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self.type = 'HNAS'
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self.out = ''
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self.volumes = []
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# iSCSI connections
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self.connections = []
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def deleteVolume(self, name):
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volume = self.getVolume(name)
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if volume:
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self.volumes.remove(volume)
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return True
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else:
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return False
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def deleteVolumebyProvider(self, provider):
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volume = self.getVolumebyProvider(provider)
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if volume:
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self.volumes.remove(volume)
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return True
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else:
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return False
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def getVolumes(self):
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return self.volumes
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def getVolume(self, name):
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if self.volumes:
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for volume in self.volumes:
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if str(volume['name']) == name:
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return volume
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return None
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def getVolumebyProvider(self, provider):
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if self.volumes:
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for volume in self.volumes:
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if str(volume['provider_location']) == provider:
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return volume
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return None
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def createVolume(self, name, provider, sizeMiB, comment):
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new_vol = {'additionalStates': [],
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'adminSpace': {'freeMiB': 0,
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'rawReservedMiB': 384,
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'reservedMiB': 128,
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'usedMiB': 128},
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'baseId': 115,
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'copyType': 1,
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'creationTime8601': '2012-10-22T16:37:57-07:00',
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'creationTimeSec': 1350949077,
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'failedStates': [],
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'id': 115,
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'provider_location': provider,
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'name': name,
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'comment': comment,
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'provisioningType': 1,
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'readOnly': False,
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'sizeMiB': sizeMiB,
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'state': 1,
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'userSpace': {'freeMiB': 0,
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'rawReservedMiB': 41984,
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'reservedMiB': 31488,
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'usedMiB': 31488},
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'usrSpcAllocLimitPct': 0,
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'usrSpcAllocWarningPct': 0,
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'uuid': '1e7daee4-49f4-4d07-9ab8-2b6a4319e243',
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'wwn': '50002AC00073383D'}
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self.volumes.append(new_vol)
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def create_lu(self, cmd, ip0, user, pw, hdp, size, name):
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vol_id = name
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_out = ("LUN: %d HDP: fs2 size: %s MB, is successfully created" %
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(self.start_lun, size))
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self.createVolume(name, vol_id, size, "create-lu")
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self.start_lun += 1
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return _out
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def delete_lu(self, cmd, ip0, user, pw, hdp, lun):
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_out = ""
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id = "myID"
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self.deleteVolumebyProvider(id + '.' + str(lun))
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return _out
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def create_dup(self, cmd, ip0, user, pw, src_lun, hdp, size, name):
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_out = ("LUN: %s HDP: 9 size: %s MB, is successfully created" %
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(self.start_lun, size))
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id = name
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self.createVolume(name, id + '.' + str(self.start_lun), size,
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"create-dup")
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self.start_lun += 1
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return _out
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def add_iscsi_conn(self, cmd, ip0, user, pw, lun, hdp,
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port, iqn, initiator):
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ctl = ""
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conn = (self.hlun, lun, initiator, self.init_index, iqn,
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self.target_index, ctl, port)
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_out = ("H-LUN: %d mapped. LUN: %s, iSCSI Initiator: %s @ index: %d, \
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and Target: %s @ index %d is successfully paired @ CTL: %s, \
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Port: %s" % conn)
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self.init_index += 1
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self.target_index += 1
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self.hlun += 1
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self.connections.append(conn)
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return _out
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def del_iscsi_conn(self, cmd, ip0, user, pw, port, iqn, initiator):
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self.connections.pop()
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_out = ("H-LUN: successfully deleted from target")
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return _out
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def extend_vol(self, cmd, ip0, user, pw, hdp, lu, size, name):
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_out = ("LUN: %s successfully extended to %s MB" % (lu, size))
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id = name
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self.out = _out
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v = self.getVolumebyProvider(id + '.' + str(lu))
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if v:
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v['sizeMiB'] = size
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return _out
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def get_luns(self):
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return len(self.alloc_lun)
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def get_conns(self):
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return len(self.connections)
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def get_out(self):
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return str(self.out)
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def get_version(self, cmd, ver, ip0, user, pw):
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self.out = "Array_ID: 18-48-A5-A1-80-13 (3080-G2) " \
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"version: 11.2.3319.09 LU: 256" \
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" RG: 0 RG_LU: 0 Utility_version: 11.1.3225.01"
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return self.out
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def get_iscsi_info(self, cmd, ip0, user, pw):
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self.out = "CTL: 0 Port: 4 IP: 172.17.39.132 Port: 3260 Link: Up\n" \
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"CTL: 1 Port: 5 IP: 172.17.39.133 Port: 3260 Link: Up"
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return self.out
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def get_hdp_info(self, cmd, ip0, user, pw, fslabel=None):
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self.out = "HDP: 1024 272384 MB 33792 MB 12 % LUs: " \
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"70 Normal fs1\n" \
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"HDP: 1025 546816 MB 73728 MB 13 % LUs: 194 Normal fs2"
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return self.out
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def get_targetiqn(self, cmd, ip0, user, pw, id, hdp, secret):
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self.out = """iqn.2013-08.cinderdomain:vs61.cindertarget"""
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return self.out
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def set_targetsecret(self, cmd, ip0, user, pw, target, hdp, secret):
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self.out = """iqn.2013-08.cinderdomain:vs61.cindertarget"""
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return self.out
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def get_targetsecret(self, cmd, ip0, user, pw, target, hdp):
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self.out = """wGkJhTpXaaYJ5Rv"""
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return self.out
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class HNASiSCSIDriverTest(test.TestCase):
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"""Test HNAS iSCSI volume driver."""
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def __init__(self, *args, **kwargs):
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super(HNASiSCSIDriverTest, self).__init__(*args, **kwargs)
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@mock.patch.object(iscsi, 'factory_bend')
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def setUp(self, _factory_bend):
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super(HNASiSCSIDriverTest, self).setUp()
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self.backend = SimulatedHnasBackend()
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_factory_bend.return_value = self.backend
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(handle, self.config_file) = tempfile.mkstemp('.xml')
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os.write(handle, HNASCONF)
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os.close(handle)
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self.configuration = mock.Mock(spec=conf.Configuration)
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self.configuration.hds_hnas_iscsi_config_file = self.config_file
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self.configuration.hds_svc_iscsi_chap_enabled = True
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self.driver = iscsi.HDSISCSIDriver(configuration=self.configuration)
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self.driver.do_setup("")
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self.addCleanup(self._clean)
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def _clean(self):
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os.remove(self.config_file)
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def _create_volume(self):
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loc = self.driver.create_volume(_VOLUME)
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vol = _VOLUME.copy()
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vol['provider_location'] = loc['provider_location']
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return vol
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@mock.patch('__builtin__.open')
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@mock.patch.object(os, 'access')
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def test_read_config(self, m_access, m_open):
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# Test exception when file is not found
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m_access.return_value = False
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m_open.return_value = six.StringIO(HNASCONF)
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self.assertRaises(exception.NotFound, iscsi._read_config, '')
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# Test exception when config file has parsing errors
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# due to missing <svc> tag
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m_access.return_value = True
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m_open.return_value = six.StringIO(HNAS_WRONG_CONF1)
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self.assertRaises(exception.ConfigNotFound, iscsi._read_config, '')
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# Test exception when config file has parsing errors
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# due to missing <hdp> tag
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m_open.return_value = six.StringIO(HNAS_WRONG_CONF2)
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self.configuration.hds_hnas_iscsi_config_file = ''
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self.assertRaises(exception.ParameterNotFound, iscsi._read_config, '')
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def test_create_volume(self):
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loc = self.driver.create_volume(_VOLUME)
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self.assertNotEqual(loc, None)
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self.assertNotEqual(loc['provider_location'], None)
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# cleanup
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self.backend.deleteVolumebyProvider(loc['provider_location'])
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def test_get_volume_stats(self):
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stats = self.driver.get_volume_stats(True)
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self.assertEqual(stats["vendor_name"], "HDS")
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self.assertEqual(stats["storage_protocol"], "iSCSI")
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self.assertEqual(len(stats['pools']), 2)
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def test_delete_volume(self):
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vol = self._create_volume()
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self.driver.delete_volume(vol)
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# should not be deletable twice
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prov_loc = self.backend.getVolumebyProvider(vol['provider_location'])
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self.assertTrue(prov_loc is None)
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def test_extend_volume(self):
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vol = self._create_volume()
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new_size = _VOLUME['size'] * 2
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self.driver.extend_volume(vol, new_size)
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# cleanup
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self.backend.deleteVolumebyProvider(vol['provider_location'])
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@mock.patch.object(iscsi.HDSISCSIDriver, '_id_to_vol')
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def test_create_snapshot(self, m_id_to_vol):
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vol = self._create_volume()
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m_id_to_vol.return_value = vol
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svol = vol.copy()
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svol['volume_size'] = svol['size']
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loc = self.driver.create_snapshot(svol)
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self.assertNotEqual(loc, None)
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svol['provider_location'] = loc['provider_location']
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# cleanup
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self.backend.deleteVolumebyProvider(svol['provider_location'])
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self.backend.deleteVolumebyProvider(vol['provider_location'])
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@mock.patch.object(iscsi.HDSISCSIDriver, '_id_to_vol')
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def test_create_clone(self, m_id_to_vol):
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src_vol = self._create_volume()
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m_id_to_vol.return_value = src_vol
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src_vol['volume_size'] = src_vol['size']
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dst_vol = self._create_volume()
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dst_vol['volume_size'] = dst_vol['size']
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loc = self.driver.create_cloned_volume(dst_vol, src_vol)
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self.assertNotEqual(loc, None)
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# cleanup
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self.backend.deleteVolumebyProvider(src_vol['provider_location'])
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self.backend.deleteVolumebyProvider(loc['provider_location'])
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@mock.patch.object(iscsi.HDSISCSIDriver, '_id_to_vol')
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def test_delete_snapshot(self, m_id_to_vol):
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svol = self._create_volume()
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lun = svol['provider_location']
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m_id_to_vol.return_value = svol
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self.driver.delete_snapshot(svol)
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self.assertTrue(self.backend.getVolumebyProvider(lun) is None)
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def test_create_volume_from_snapshot(self):
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svol = self._create_volume()
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svol['volume_size'] = svol['size']
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vol = self.driver.create_volume_from_snapshot(_VOLUME, svol)
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self.assertNotEqual(vol, None)
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# cleanup
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self.backend.deleteVolumebyProvider(svol['provider_location'])
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self.backend.deleteVolumebyProvider(vol['provider_location'])
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@mock.patch.object(iscsi.HDSISCSIDriver, '_update_vol_location')
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def test_initialize_connection(self, m_update_vol_location):
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connector = {}
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connector['initiator'] = 'iqn.1993-08.org.debian:01:11f90746eb2'
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connector['host'] = 'dut_1.lab.hds.com'
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vol = self._create_volume()
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conn = self.driver.initialize_connection(vol, connector)
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self.assertTrue('3260' in conn['data']['target_portal'])
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# cleanup
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self.backend.deleteVolumebyProvider(vol['provider_location'])
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@mock.patch.object(iscsi.HDSISCSIDriver, '_update_vol_location')
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def test_terminate_connection(self, m_update_vol_location):
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connector = {}
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connector['initiator'] = 'iqn.1993-08.org.debian:01:11f90746eb2'
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connector['host'] = 'dut_1.lab.hds.com'
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vol = self._create_volume()
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vol['provider_location'] = "portal," +\
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connector['initiator'] +\
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",18-48-A5-A1-80-13.0,ctl,port,hlun"
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conn = self.driver.initialize_connection(vol, connector)
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num_conn_before = self.backend.get_conns()
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self.driver.terminate_connection(vol, conn)
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num_conn_after = self.backend.get_conns()
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self.assertNotEqual(num_conn_before, num_conn_after)
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# cleanup
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self.backend.deleteVolumebyProvider(vol['provider_location'])
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@mock.patch.object(volume_types, 'get_volume_type_extra_specs',
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return_value={'key': 'type', 'service_label': 'silver'})
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def test_get_pool(self, m_ext_spec):
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label = self.driver.get_pool(_VOLUME)
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self.assertEqual('silver', label)
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