def test_update_volume_xml(self):
connection_info = {
'driver_volume_type': 'iscsi',
'serial': '58a84f6d-3f0c-4e19-a0af-eb657b790657',
'data': {
'access_mode':
'rw',
'target_discovered':
False,
'target_iqn':
'ip-1.2.3.4:3260-iqn.cde.67890.opst-lun-Z',
'volume_id':
'58a84f6d-3f0c-4e19-a0af-eb657b790657',
'device_path':
'/dev/disk/by-path/ip-1.2.3.4:3260-iqn.cde.67890.opst-lun-Z'
}
}
bdm = objects.LibvirtLiveMigrateBDMInfo(
serial='58a84f6d-3f0c-4e19-a0af-eb657b790657',
bus='virtio',
type='disk',
dev='vdb',
connection_info=connection_info)
data = objects.LibvirtLiveMigrateData(target_connect_addr='127.0.0.1',
bdms=[bdm],
block_migration=False)
xml = """<domain>
<devices>
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/disk/by-path/ip-1.2.3.4:3260-iqn.abc.12345.opst-lun-X'/>
<target bus='virtio' dev='vdb'/>
<serial>58a84f6d-3f0c-4e19-a0af-eb657b790657</serial>
<address type='pci' domain='0x0' bus='0x0' slot='0x04' function='0x0'/>
</disk>
</devices>
</domain>"""
conf = vconfig.LibvirtConfigGuestDisk()
conf.source_device = bdm.type
conf.driver_name = "qemu"
conf.driver_format = "raw"
conf.driver_cache = "none"
conf.target_dev = bdm.dev
conf.target_bus = bdm.bus
conf.serial = bdm.connection_info.get('serial')
conf.source_type = "block"
conf.source_path = bdm.connection_info['data'].get('device_path')
get_volume_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_volume_xml(
doc, data, get_volume_config),
encoding='unicode')
new_xml = xml.replace('ip-1.2.3.4:3260-iqn.abc.12345.opst-lun-X',
'ip-1.2.3.4:3260-iqn.cde.67890.opst-lun-Z')
self.assertThat(res, matchers.XMLMatches(new_xml))
def _bdms_from_legacy(self, legacy_pre_result):
self.bdms = []
volume = legacy_pre_result.get('volume', {})
for serial in volume:
vol = volume[serial]
bdmi = objects.LibvirtLiveMigrateBDMInfo(serial=serial)
bdmi.connection_info = vol['connection_info']
bdmi.bus = vol['disk_info']['bus']
bdmi.dev = vol['disk_info']['dev']
bdmi.type = vol['disk_info']['type']
if 'format' in vol:
bdmi.format = vol['disk_info']['format']
if 'boot_index' in vol:
bdmi.boot_index = int(vol['disk_info']['boot_index'])
self.bdms.append(bdmi)
def test_update_volume_xml_update_encryption(self):
connection_info = {
'driver_volume_type': 'rbd',
'serial': 'd299a078-f0db-4993-bf03-f10fe44fd192',
'data': {
'access_mode': 'rw',
'secret_type': 'ceph',
'name': 'cinder-volumes/volume-d299a078',
'encrypted': False,
'discard': True,
'cluster_name': 'ceph',
'secret_uuid': '1a790a26-dd49-4825-8d16-3dd627cf05a9',
'qos_specs': None,
'auth_enabled': True,
'volume_id': 'd299a078-f0db-4993-bf03-f10fe44fd192',
'hosts': ['172.16.128.101', '172.16.128.121'],
'auth_username': '******',
'ports': ['6789', '6789', '6789']
}
}
bdm = objects.LibvirtLiveMigrateBDMInfo(
serial='d299a078-f0db-4993-bf03-f10fe44fd192',
bus='scsi',
type='disk',
dev='sdb',
connection_info=connection_info,
encryption_secret_uuid=uuids.encryption_secret_uuid_new)
data = objects.LibvirtLiveMigrateData(target_connect_addr=None,
bdms=[bdm],
block_migration=False)
xml = """<domain>
<devices>
<disk type='network' device='disk'>
<driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
<auth username='******'>
<secret type='ceph' uuid='1a790a26-dd49-4825-8d16-3dd627cf05a9'/>
</auth>
<source protocol='rbd' name='cinder-volumes/volume-d299a078'>
<host name='172.16.128.101' port='6789'/>
<host name='172.16.128.121' port='6789'/>
</source>
<backingStore/>
<target dev='sdb' bus='scsi'/>
<serial>d299a078-f0db-4993-bf03-f10fe44fd192</serial>
<alias name='scsi0-0-0-1'/>
<encryption format='luks'>
<secret type='passphrase' uuid='%(encryption_secret_uuid)s'/>
</encryption>
<address type='drive' controller='0' bus='0' target='0' unit='1'/>
</disk>
</devices>
</domain>""" % {
'encryption_secret_uuid': uuids.encryption_secret_uuid_old
}
conf = vconfig.LibvirtConfigGuestDisk()
conf.source_device = bdm.type
conf.driver_name = "qemu"
conf.driver_format = "raw"
conf.driver_cache = "writeback"
conf.target_dev = bdm.dev
conf.target_bus = bdm.bus
conf.serial = bdm.connection_info.get('serial')
conf.source_type = "network"
conf.driver_discard = 'unmap'
conf.device_addr = vconfig.LibvirtConfigGuestDeviceAddressDrive()
conf.device_addr.controller = 0
get_volume_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_volume_xml(
doc, data, get_volume_config),
encoding='unicode')
new_xml = xml.replace(uuids.encryption_secret_uuid_old,
uuids.encryption_secret_uuid_new)
self.assertThat(res, matchers.XMLMatches(new_xml))
