Merge "Fix boot volume connectivity type discovery"
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commit
8429cc6185
@ -955,6 +955,72 @@ class TestPowerVMDriver(test.NoDBTestCase):
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flow.add.assert_has_calls([mock.call('disconn_vol1'),
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mock.call('disconn_vol2')])
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=False))
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def test_get_boot_connectivity_type_no_bfv(self):
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# Boot connectivity type defaults to vscsi when not booted from volume.
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self.assertEqual('vscsi', self.drv._get_boot_connectivity_type(
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'bdms', 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_no_bdms(self):
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# Boot connectivity type defaults to vscsi when no BDMs
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self.assertEqual('vscsi', self.drv._get_boot_connectivity_type(
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None, 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_no_boot_bdm(self):
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# Boot connectivity type defaults to vscsi when no BDM has a boot_index
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# of zero (which should actually never happen IRL).
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self.assertEqual('vscsi', self.drv._get_boot_connectivity_type(
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[{'boot_index': 1}], 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_driver_volume_type(self):
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# Boot connectivity type discovered via BDM driver_volume_type.
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bdms = self._fake_bdms(set_boot_index=True)['block_device_mapping']
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self.assertEqual('fibre_channel', self.drv._get_boot_connectivity_type(
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bdms, 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_data_driver_volume_type(self):
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# Boot connectivity type discovered via BDM driver_volume_type in
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# conn_info['data'], which I think is bogus, but preserved for
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# compatibility.
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bdms = self._fake_bdms(
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set_boot_index=True,
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driver_volume_type_in_data=True)['block_device_mapping']
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self.assertEqual('fibre_channel', self.drv._get_boot_connectivity_type(
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bdms, 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_connection_type(self):
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# Boot connectivity type discovered from BDM's connectivity-type
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bdms = self._fake_bdms(connection_type='hello',
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set_boot_index=True)['block_device_mapping']
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self.assertEqual('hello', self.drv._get_boot_connectivity_type(
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bdms, 'block_device_info'))
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# We convert 'pv_vscsi' to 'vscsi'
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bdms = self._fake_bdms(connection_type='pv_vscsi',
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set_boot_index=True)['block_device_mapping']
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self.assertEqual('vscsi', self.drv._get_boot_connectivity_type(
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bdms, 'block_device_info'))
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@mock.patch('nova_powervm.virt.powervm.driver.PowerVMDriver.'
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'_is_booted_from_volume', new=mock.Mock(return_value=True))
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def test_get_boot_connectivity_type_driver_volume_type_unset(self):
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# Boot connectivity type defaults to vscsi when BDM driver_volume_type
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# is unset.
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bdms = self._fake_bdms(driver_volume_type=None,
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set_boot_index=True)['block_device_mapping']
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self.assertEqual('vscsi', self.drv._get_boot_connectivity_type(
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bdms, 'block_device_info'))
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@mock.patch('pypowervm.tasks.scsi_mapper.remove_maps')
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@mock.patch('pypowervm.wrappers.entry_wrapper.EntryWrapper.update',
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new=mock.Mock())
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@ -1724,18 +1790,26 @@ class TestPowerVMDriver(test.NoDBTestCase):
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mock.ANY, self.inst)
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@staticmethod
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def _fake_bdms():
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def _fake_bdms(set_boot_index=False, connection_type=None,
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driver_volume_type='fibre_channel',
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driver_volume_type_in_data=False):
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def _fake_bdm(volume_id, target_lun):
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connection_info = {'driver_volume_type': 'fibre_channel',
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'data': {'volume_id': volume_id,
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'target_lun': target_lun,
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'initiator_target_map':
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{'21000024F5': ['50050768']}}}
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conninfo = {'data': {'volume_id': volume_id,
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'target_lun': target_lun,
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'initiator_target_map':
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{'21000024F5': ['50050768']}}}
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if connection_type is not None:
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conninfo['data']['connection-type'] = connection_type
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if driver_volume_type is not None:
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if driver_volume_type_in_data:
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conninfo['data']['driver_volume_type'] = driver_volume_type
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else:
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conninfo['driver_volume_type'] = driver_volume_type
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mapping_dict = {'source_type': 'volume', 'volume_id': volume_id,
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'destination_type': 'volume',
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'connection_info':
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jsonutils.dumps(connection_info),
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}
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'connection_info': jsonutils.dumps(conninfo)}
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if set_boot_index:
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mapping_dict['boot_index'] = target_lun
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bdm_dict = nova_block_device.BlockDeviceDict(mapping_dict)
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bdm_obj = bdmobj.BlockDeviceMapping(**bdm_dict)
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@ -454,7 +454,7 @@ class PowerVMDriver(driver.ComputeDriver):
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distro = instance.system_metadata.get('image_os_distro', '')
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if distro.lower() == img.OSDistro.OS400:
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boot_type = self._get_boot_connectivity_type(
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context, bdms, block_device_info)
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bdms, block_device_info)
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flow_spawn.add(tf_vm.UpdateIBMiSettings(
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self.adapter, instance, boot_type))
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@ -545,7 +545,7 @@ class PowerVMDriver(driver.ComputeDriver):
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root_bdm = block_device.get_root_bdm(
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driver.block_device_info_get_mapping(block_device_info))
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return (root_bdm is not None)
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return root_bdm is not None
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@property
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def need_legacy_block_device_info(self):
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@ -1803,36 +1803,36 @@ class PowerVMDriver(driver.ComputeDriver):
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instance=instance)
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return list(xags)
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def _get_boot_connectivity_type(self, context, bdms, block_device_info):
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def _get_boot_connectivity_type(self, bdms, block_device_info):
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"""Get connectivity information for the instance.
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:param context: security context
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:param bdms: The BDMs for the operation. If boot volume of
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the instance is ssp lu or local disk, the bdms is None.
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:param block_device_info: Instance volume block device info.
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:return: Returns the boot connectivity type,
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If boot volume is a npiv volume, returns 'npiv'
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Otherwise, return 'vscsi'.
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:return: The boot connectivity type.
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If boot volume is an npiv volume, returns 'fibre_channel'.
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Otherwise, returns 'vscsi'.
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"""
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# Set default boot_conn_type as 'vscsi'
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boot_conn_type = 'vscsi'
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if self._is_booted_from_volume(block_device_info) and bdms is not None:
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for bdm in bdms:
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if bdm.get('boot_index') == 0:
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return self._get_connectivity_type(bdm)
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else:
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return boot_conn_type
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# Default connectivity type is 'vscsi'
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return 'vscsi'
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@staticmethod
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def _get_connectivity_type(bdm):
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conn_info = bdm.get('connection_info')
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if 'connection-type' in conn_info['data']:
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connectivity_type = conn_info['data']['connection-type']
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boot_conn_type = ('vscsi' if connectivity_type == 'pv_vscsi' else
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connectivity_type)
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elif 'driver_volume_type' in conn_info['data']:
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boot_conn_type = conn_info['data']['driver_volume_type']
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return boot_conn_type
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return ('vscsi' if connectivity_type == 'pv_vscsi'
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else connectivity_type)
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# Seemingly bogus path (driver_volume_type shouldn't be in 'data'),
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# preserved for potential compatibility.
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if 'driver_volume_type' in conn_info['data']:
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return conn_info['data']['driver_volume_type']
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# Actual location for driver_volume_type. Default to vscsi.
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return conn_info.get('driver_volume_type', 'vscsi')
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def deallocate_networks_on_reschedule(self, instance):
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"""Does the driver want networks deallocated on reschedule?
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