def test_libvirt_kvm_iser_volume_with_multipath_getmpdev(self):
self.flags(iser_use_multipath=True, group='libvirt')
self.stubs.Set(os.path, 'exists', lambda x: True)
self.stubs.Set(time, 'sleep', lambda x: None)
libvirt_driver = volume.LibvirtISERVolumeDriver(self.fake_conn)
name0 = 'volume-00000000'
location0 = '10.0.2.15:3260'
iqn0 = 'iqn.2010-10.org.iser.openstack:%s' % name0
vol0 = {'id': 0, 'name': name0}
dev0 = '/dev/disk/by-path/ip-%s-iscsi-%s-lun-0' % (location0, iqn0)
name = 'volume-00000001'
location = '10.0.2.15:3260'
iqn = 'iqn.2010-10.org.iser.openstack:%s' % name
vol = {'id': 1, 'name': name}
dev = '/dev/disk/by-path/ip-%s-iscsi-%s-lun-1' % (location, iqn)
devs = [dev0, dev]
self.stubs.Set(self.fake_conn, 'get_all_block_devices', lambda: devs)
self.stubs.Set(libvirt_driver, '_get_iscsi_devices', lambda: [])
connection_info = self.iser_connection(vol, location, iqn)
mpdev_filepath = '/dev/mapper/foo'
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
target_portals = ['fake_portal1', 'fake_portal2']
libvirt_driver._get_multipath_device_name = lambda x: mpdev_filepath
self.stubs.Set(libvirt_driver,
'_get_target_portals_from_iscsiadm_output',
lambda x: [['fake_portal1', 'fake_iqn1']])
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
self.assertEqual(tree.find('./source').get('dev'), mpdev_filepath)
libvirt_driver.disconnect_volume(connection_info, 'vde')
def test_libvirt_kvm_iser_volume_with_multipath(self):
self.flags(iser_use_multipath=True, group='libvirt')
self.stubs.Set(os.path, 'exists', lambda x: True)
self.stubs.Set(time, 'sleep', lambda x: None)
devs = ['/dev/mapper/sda', '/dev/mapper/sdb']
self.stubs.Set(self.fake_conn, 'get_all_block_devices', lambda: devs)
libvirt_driver = volume.LibvirtISERVolumeDriver(self.fake_conn)
name = 'volume-00000001'
location = '10.0.2.15:3260'
iqn = 'iqn.2010-10.org.iser.openstack:%s' % name
vol = {'id': 1, 'name': name}
connection_info = self.iser_connection(vol, location, iqn)
mpdev_filepath = '/dev/mapper/foo'
connection_info['data']['device_path'] = mpdev_filepath
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
target_portals = ['fake_portal1', 'fake_portal2']
libvirt_driver._get_multipath_device_name = lambda x: mpdev_filepath
self.stubs.Set(libvirt_driver,
'_get_target_portals_from_iscsiadm_output',
lambda x: [[location, iqn]])
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
self.assertEqual(tree.find('./source').get('dev'), mpdev_filepath)
libvirt_driver._get_multipath_iqn = lambda x: iqn
libvirt_driver.disconnect_volume(connection_info, 'vde')
expected_multipath_cmd = ('multipath', '-f', 'foo')
self.assertIn(expected_multipath_cmd, self.executes)
