openstack
/
cinder
Code Issues Proposed changes

Merge "Add variable QoS to NetApp cDOT drivers"

This commit is contained in:
Jenkins 2016-02-12 00:04:27 +00:00 committed by Gerrit Code Review
parent 90f5e0b260 af1a69fc45
commit d7f46bbba0
15 changed files with 597 additions and 32 deletions
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23
cinder/tests/unit/volume/drivers/netapp/dataontap/client/fakes.py
View File

@ -92,6 +92,12 @@ FAKE_RESULT_SUCCESS.add_attr('status', 'passed')
FAKE_HTTP_OPENER = urllib.request.build_opener()
NO_RECORDS_RESPONSE = etree.XML("""
<results status="passed">
<num-records>0</num-records>
</results>
""")
GET_OPERATIONAL_NETWORK_INTERFACE_ADDRESSES_RESPONSE = etree.XML("""
<results status="passed">
<num-records>2</num-records>
@ -106,6 +112,23 @@ GET_OPERATIONAL_NETWORK_INTERFACE_ADDRESSES_RESPONSE = etree.XML("""
</results>
""" % {"address1": "1.2.3.4", "address2": "99.98.97.96"})
QOS_POLICY_GROUP_GET_ITER_RESPONSE = etree.XML("""
<results status="passed">
<attributes-list>
<qos-policy-group-info>
<max-throughput>30KB/S</max-throughput>
<num-workloads>1</num-workloads>
<pgid>53</pgid>
<policy-group>fake_qos_policy_group_name</policy-group>
<policy-group-class>user_defined</policy-group-class>
<uuid>12496028-b641-11e5-abbd-123478563412</uuid>
<vserver>cinder-iscsi</vserver>
</qos-policy-group-info>
</attributes-list>
<num-records>1</num-records>
</results>
""")
VOLUME_LIST_INFO_RESPONSE = etree.XML("""
<results status="passed">
<volumes>

82
cinder/tests/unit/volume/drivers/netapp/dataontap/client/test_client_cmode.py
View File

@ -58,6 +58,20 @@ class NetAppCmodeClientTestCase(test.TestCase):
def tearDown(self):
super(NetAppCmodeClientTestCase, self).tearDown()
def test_has_records(self):
result = self.client._has_records(netapp_api.NaElement(
fake_client.QOS_POLICY_GROUP_GET_ITER_RESPONSE))
self.assertTrue(result)
def test_has_records_not_found(self):
result = self.client._has_records(
netapp_api.NaElement(fake_client.NO_RECORDS_RESPONSE))
self.assertFalse(result)
def test_get_iscsi_target_details_no_targets(self):
response = netapp_api.NaElement(
etree.XML("""<results status="passed">
@ -525,14 +539,67 @@ class NetAppCmodeClientTestCase(test.TestCase):
self.assertEqual(0, self.connection.qos_policy_group_create.call_count)
def test_provision_qos_policy_group_with_qos_spec(self):
def test_provision_qos_policy_group_with_qos_spec_create(self):
self.mock_object(self.client,
'qos_policy_group_exists',
mock.Mock(return_value=False))
self.mock_object(self.client, 'qos_policy_group_create')
self.mock_object(self.client, 'qos_policy_group_modify')
self.client.provision_qos_policy_group(fake.QOS_POLICY_GROUP_INFO)
self.client.qos_policy_group_create.assert_has_calls([
mock.call(fake.QOS_POLICY_GROUP_NAME, fake.MAX_THROUGHPUT)])
self.assertFalse(self.client.qos_policy_group_modify.called)
def test_provision_qos_policy_group_with_qos_spec_modify(self):
self.mock_object(self.client,
'qos_policy_group_exists',
mock.Mock(return_value=True))
self.mock_object(self.client, 'qos_policy_group_create')
self.mock_object(self.client, 'qos_policy_group_modify')
self.client.provision_qos_policy_group(fake.QOS_POLICY_GROUP_INFO)
self.assertFalse(self.client.qos_policy_group_create.called)
self.client.qos_policy_group_modify.assert_has_calls([
mock.call(fake.QOS_POLICY_GROUP_NAME, fake.MAX_THROUGHPUT)])
def test_qos_policy_group_exists(self):
self.mock_send_request.return_value = netapp_api.NaElement(
fake_client.QOS_POLICY_GROUP_GET_ITER_RESPONSE)
result = self.client.qos_policy_group_exists(
fake.QOS_POLICY_GROUP_NAME)
api_args = {
'query': {
'qos-policy-group-info': {
'policy-group': fake.QOS_POLICY_GROUP_NAME,
},
},
'desired-attributes': {
'qos-policy-group-info': {
'policy-group': None,
},
},
}
self.mock_send_request.assert_has_calls([
mock.call('qos-policy-group-get-iter', api_args, False)])
self.assertTrue(result)
def test_qos_policy_group_exists_not_found(self):
self.mock_send_request.return_value = netapp_api.NaElement(
fake_client.NO_RECORDS_RESPONSE)
result = self.client.qos_policy_group_exists(
fake.QOS_POLICY_GROUP_NAME)
self.assertFalse(result)
def test_qos_policy_group_create(self):
@ -548,6 +615,19 @@ class NetAppCmodeClientTestCase(test.TestCase):
self.mock_send_request.assert_has_calls([
mock.call('qos-policy-group-create', api_args, False)])
def test_qos_policy_group_modify(self):
api_args = {
'policy-group': fake.QOS_POLICY_GROUP_NAME,
'max-throughput': fake.MAX_THROUGHPUT,
}
self.client.qos_policy_group_modify(
fake.QOS_POLICY_GROUP_NAME, fake.MAX_THROUGHPUT)
self.mock_send_request.assert_has_calls([
mock.call('qos-policy-group-modify', api_args, False)])
def test_qos_policy_group_delete(self):
api_args = {

5
cinder/tests/unit/volume/drivers/netapp/dataontap/fakes.py
View File

@ -206,8 +206,11 @@ CLONE_DESTINATION = {
'id': CLONE_DESTINATION_ID,
}
SNAPSHOT_NAME = 'fake_snapshot_name'
SNAPSHOT_LUN_HANDLE = 'fake_snapshot_lun_handle'
SNAPSHOT = {
'name': 'fake_snapshot_name',
'name': SNAPSHOT_NAME,
'volume_size': SIZE,
'volume_id': 'fake_volume_id',
}

20
cinder/tests/unit/volume/drivers/netapp/dataontap/test_block_7mode.py
View File

@ -612,3 +612,23 @@ class NetAppBlockStorage7modeLibraryTestCase(test.TestCase):
pools = self.library._get_pool_stats()
self.assertListEqual([], pools)
def test_delete_volume(self):
self.library.vol_refresh_voluntary = False
mock_super_delete_volume = self.mock_object(
block_base.NetAppBlockStorageLibrary, 'delete_volume')
self.library.delete_volume(fake.VOLUME)
mock_super_delete_volume.assert_called_once_with(fake.VOLUME)
self.assertTrue(self.library.vol_refresh_voluntary)
def test_delete_snapshot(self):
self.library.vol_refresh_voluntary = False
mock_super_delete_snapshot = self.mock_object(
block_base.NetAppBlockStorageLibrary, 'delete_snapshot')
self.library.delete_snapshot(fake.SNAPSHOT)
mock_super_delete_snapshot.assert_called_once_with(fake.SNAPSHOT)
self.assertTrue(self.library.vol_refresh_voluntary)

197
cinder/tests/unit/volume/drivers/netapp/dataontap/test_block_base.py
View File

@ -25,6 +25,7 @@ import uuid
import mock
from oslo_utils import units
import six
from cinder import exception
from cinder.i18n import _
@ -694,24 +695,31 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
['lun1'])
def test_delete_volume(self):
mock_delete_lun = self.mock_object(self.library, '_delete_lun')
self.library.delete_volume(fake.VOLUME)
mock_delete_lun.assert_called_once_with(fake.LUN_NAME)
def test_delete_lun(self):
mock_get_lun_attr = self.mock_object(self.library, '_get_lun_attr')
mock_get_lun_attr.return_value = fake.LUN_METADATA
self.library.zapi_client = mock.Mock()
self.library.lun_table = fake.LUN_TABLE
self.library.delete_volume(fake.VOLUME)
self.library._delete_lun(fake.LUN_NAME)
mock_get_lun_attr.assert_called_once_with(
fake.LUN_NAME, 'metadata')
self.library.zapi_client.destroy_lun.assert_called_once_with(fake.PATH)
def test_delete_volume_no_metadata(self):
def test_delete_lun_no_metadata(self):
self.mock_object(self.library, '_get_lun_attr', mock.Mock(
return_value=None))
self.library.zapi_client = mock.Mock()
self.mock_object(self.library, 'zapi_client')
self.library.delete_volume(fake.VOLUME)
self.library._delete_lun(fake.LUN_NAME)
self.library._get_lun_attr.assert_called_once_with(
fake.LUN_NAME, 'metadata')
@ -720,13 +728,20 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
self.zapi_client.
mark_qos_policy_group_for_deletion.call_count)
def test_delete_snapshot(self):
mock_delete_lun = self.mock_object(self.library, '_delete_lun')
self.library.delete_snapshot(fake.SNAPSHOT)
mock_delete_lun.assert_called_once_with(fake.SNAPSHOT_NAME)
def test_clone_source_to_destination(self):
self.mock_object(na_utils, 'get_volume_extra_specs', mock.Mock(
return_value=fake.EXTRA_SPECS))
self.mock_object(self.library, '_setup_qos_for_volume', mock.Mock(
return_value=fake.QOS_POLICY_GROUP_INFO))
self.mock_object(self.library, '_clone_lun')
self.mock_object(self.library, 'extend_volume')
self.mock_object(self.library, '_extend_volume')
self.mock_object(self.library, 'delete_volume')
self.mock_object(self.library, '_mark_qos_policy_group_for_deletion')
self.library.lun_space_reservation = 'false'
@ -742,9 +757,9 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
fake.CLONE_SOURCE_NAME, fake.CLONE_DESTINATION_NAME,
space_reserved='false',
qos_policy_group_name=fake.QOS_POLICY_GROUP_NAME)
self.library.extend_volume.assert_called_once_with(
self.library._extend_volume.assert_called_once_with(
fake.CLONE_DESTINATION, fake.CLONE_DESTINATION_SIZE,
qos_policy_group_name=fake.QOS_POLICY_GROUP_NAME)
fake.QOS_POLICY_GROUP_NAME)
self.assertEqual(0, self.library.delete_volume.call_count)
self.assertEqual(0, self.library.
_mark_qos_policy_group_for_deletion.call_count)
@ -755,7 +770,7 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
self.mock_object(self.library, '_setup_qos_for_volume', mock.Mock(
return_value=fake.QOS_POLICY_GROUP_INFO))
self.mock_object(self.library, '_clone_lun')
self.mock_object(self.library, 'extend_volume', mock.Mock(
self.mock_object(self.library, '_extend_volume', mock.Mock(
side_effect=Exception))
self.mock_object(self.library, 'delete_volume')
self.mock_object(self.library, '_mark_qos_policy_group_for_deletion')
@ -773,9 +788,9 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
fake.CLONE_SOURCE_NAME, fake.CLONE_DESTINATION_NAME,
space_reserved='true',
qos_policy_group_name=fake.QOS_POLICY_GROUP_NAME)
self.library.extend_volume.assert_called_once_with(
self.library._extend_volume.assert_called_once_with(
fake.CLONE_DESTINATION, fake.CLONE_DESTINATION_SIZE,
qos_policy_group_name=fake.QOS_POLICY_GROUP_NAME)
fake.QOS_POLICY_GROUP_NAME)
self.assertEqual(1, self.library.delete_volume.call_count)
self.assertEqual(1, self.library.
_mark_qos_policy_group_for_deletion.call_count)
@ -819,3 +834,167 @@ class NetAppBlockStorageLibraryTestCase(test.TestCase):
mock_do_clone.assert_has_calls([
mock.call(source, fake.VOLUME)])
def test_extend_volume(self):
new_size = 100
volume_copy = copy.copy(fake.VOLUME)
volume_copy['size'] = new_size
mock_get_volume_extra_specs = self.mock_object(
na_utils, 'get_volume_extra_specs',
mock.Mock(return_value=fake.EXTRA_SPECS))
mock_setup_qos_for_volume = self.mock_object(
self.library, '_setup_qos_for_volume',
mock.Mock(return_value=fake.QOS_POLICY_GROUP_INFO))
mock_extend_volume = self.mock_object(self.library, '_extend_volume')
self.library.extend_volume(fake.VOLUME, new_size)
mock_get_volume_extra_specs.assert_called_once_with(fake.VOLUME)
mock_setup_qos_for_volume.assert_called_once_with(volume_copy,
fake.EXTRA_SPECS)
mock_extend_volume.assert_called_once_with(fake.VOLUME,
new_size,
fake.QOS_POLICY_GROUP_NAME)
def test_extend_volume_api_error(self):
new_size = 100
volume_copy = copy.copy(fake.VOLUME)
volume_copy['size'] = new_size
mock_get_volume_extra_specs = self.mock_object(
na_utils, 'get_volume_extra_specs',
mock.Mock(return_value=fake.EXTRA_SPECS))
mock_setup_qos_for_volume = self.mock_object(
self.library, '_setup_qos_for_volume',
mock.Mock(return_value=fake.QOS_POLICY_GROUP_INFO))
mock_extend_volume = self.mock_object(
self.library, '_extend_volume',
mock.Mock(side_effect=netapp_api.NaApiError))
self.assertRaises(netapp_api.NaApiError,
self.library.extend_volume,
fake.VOLUME,
new_size)
mock_get_volume_extra_specs.assert_called_once_with(fake.VOLUME)
mock_setup_qos_for_volume.assert_has_calls([
mock.call(volume_copy, fake.EXTRA_SPECS),
mock.call(fake.VOLUME, fake.EXTRA_SPECS)])
mock_extend_volume.assert_called_once_with(
fake.VOLUME, new_size, fake.QOS_POLICY_GROUP_NAME)
def test__extend_volume_direct(self):
current_size = fake.LUN_SIZE
current_size_bytes = current_size * units.Gi
new_size = fake.LUN_SIZE * 2
new_size_bytes = new_size * units.Gi
max_size = fake.LUN_SIZE * 10
max_size_bytes = max_size * units.Gi
fake_volume = copy.copy(fake.VOLUME)
fake_volume['size'] = new_size
fake_lun = block_base.NetAppLun(fake.LUN_HANDLE,
fake.LUN_ID,
current_size_bytes,
fake.LUN_METADATA)
mock_get_lun_from_table = self.mock_object(
self.library, '_get_lun_from_table',
mock.Mock(return_value=fake_lun))
fake_lun_geometry = {'max_resize': six.text_type(max_size_bytes)}
mock_get_lun_geometry = self.mock_object(
self.library.zapi_client, 'get_lun_geometry',
mock.Mock(return_value=fake_lun_geometry))
mock_do_direct_resize = self.mock_object(self.library.zapi_client,
'do_direct_resize')
mock_do_sub_clone_resize = self.mock_object(self.library,
'_do_sub_clone_resize')
self.library.lun_table = {fake.VOLUME['name']: fake_lun}
self.library._extend_volume(fake.VOLUME, new_size, 'fake_qos_policy')
mock_get_lun_from_table.assert_called_once_with(fake.VOLUME['name'])
mock_get_lun_geometry.assert_called_once_with(
fake.LUN_METADATA['Path'])
mock_do_direct_resize.assert_called_once_with(
fake.LUN_METADATA['Path'], six.text_type(new_size_bytes))
self.assertFalse(mock_do_sub_clone_resize.called)
self.assertEqual(six.text_type(new_size_bytes),
self.library.lun_table[fake.VOLUME['name']].size)
def test__extend_volume_clone(self):
current_size = fake.LUN_SIZE
current_size_bytes = current_size * units.Gi
new_size = fake.LUN_SIZE * 20
new_size_bytes = new_size * units.Gi
max_size = fake.LUN_SIZE * 10
max_size_bytes = max_size * units.Gi
fake_volume = copy.copy(fake.VOLUME)
fake_volume['size'] = new_size
fake_lun = block_base.NetAppLun(fake.LUN_HANDLE,
fake.LUN_ID,
current_size_bytes,
fake.LUN_METADATA)
mock_get_lun_from_table = self.mock_object(
self.library, '_get_lun_from_table',
mock.Mock(return_value=fake_lun))
fake_lun_geometry = {'max_resize': six.text_type(max_size_bytes)}
mock_get_lun_geometry = self.mock_object(
self.library.zapi_client, 'get_lun_geometry',
mock.Mock(return_value=fake_lun_geometry))
mock_do_direct_resize = self.mock_object(self.library.zapi_client,
'do_direct_resize')
mock_do_sub_clone_resize = self.mock_object(self.library,
'_do_sub_clone_resize')
self.library.lun_table = {fake.VOLUME['name']: fake_lun}
self.library._extend_volume(fake.VOLUME, new_size, 'fake_qos_policy')
mock_get_lun_from_table.assert_called_once_with(fake.VOLUME['name'])
mock_get_lun_geometry.assert_called_once_with(
fake.LUN_METADATA['Path'])
self.assertFalse(mock_do_direct_resize.called)
mock_do_sub_clone_resize.assert_called_once_with(
fake.LUN_METADATA['Path'], six.text_type(new_size_bytes),
qos_policy_group_name='fake_qos_policy')
self.assertEqual(six.text_type(new_size_bytes),
self.library.lun_table[fake.VOLUME['name']].size)
def test__extend_volume_no_change(self):
current_size = fake.LUN_SIZE
current_size_bytes = current_size * units.Gi
new_size = fake.LUN_SIZE
max_size = fake.LUN_SIZE * 10
max_size_bytes = max_size * units.Gi
fake_volume = copy.copy(fake.VOLUME)
fake_volume['size'] = new_size
fake_lun = block_base.NetAppLun(fake.LUN_HANDLE,
fake.LUN_ID,
current_size_bytes,
fake.LUN_METADATA)
mock_get_lun_from_table = self.mock_object(
self.library, '_get_lun_from_table',
mock.Mock(return_value=fake_lun))
fake_lun_geometry = {'max_resize': six.text_type(max_size_bytes)}
mock_get_lun_geometry = self.mock_object(
self.library.zapi_client, 'get_lun_geometry',
mock.Mock(return_value=fake_lun_geometry))
mock_do_direct_resize = self.mock_object(self.library.zapi_client,
'do_direct_resize')
mock_do_sub_clone_resize = self.mock_object(self.library,
'_do_sub_clone_resize')
self.library.lun_table = {fake_volume['name']: fake_lun}
self.library._extend_volume(fake_volume, new_size, 'fake_qos_policy')
mock_get_lun_from_table.assert_called_once_with(fake_volume['name'])
self.assertFalse(mock_get_lun_geometry.called)
self.assertFalse(mock_do_direct_resize.called)
self.assertFalse(mock_do_sub_clone_resize.called)

31
cinder/tests/unit/volume/drivers/netapp/dataontap/test_block_cmode.py
View File

@ -50,8 +50,13 @@ class NetAppBlockStorageCmodeLibraryTestCase(test.TestCase):
self.library.ssc_vols = None
self.fake_lun = block_base.NetAppLun(fake.LUN_HANDLE, fake.LUN_NAME,
fake.SIZE, None)
self.fake_snapshot_lun = block_base.NetAppLun(
fake.SNAPSHOT_LUN_HANDLE, fake.SNAPSHOT_NAME, fake.SIZE, None)
self.mock_object(self.library, 'lun_table')
self.library.lun_table = {fake.LUN_NAME: self.fake_lun}
self.library.lun_table = {
fake.LUN_NAME: self.fake_lun,
fake.SNAPSHOT_NAME: self.fake_snapshot_lun,
}
self.mock_object(block_base.NetAppBlockStorageLibrary, 'delete_volume')
def tearDown(self):
@ -439,6 +444,30 @@ class NetAppBlockStorageCmodeLibraryTestCase(test.TestCase):
.assert_called_once_with(None)
self.assertEqual(1, self.library._update_stale_vols.call_count)
def test_delete_snapshot(self):
self.mock_object(block_base.NetAppLun, 'get_metadata_property',
mock.Mock(return_value=fake.NETAPP_VOLUME))
mock_super_delete_snapshot = self.mock_object(
block_base.NetAppBlockStorageLibrary, 'delete_snapshot')
mock_update_stale_vols = self.mock_object(self.library,
'_update_stale_vols')
self.library.delete_snapshot(fake.SNAPSHOT)
mock_super_delete_snapshot.assert_called_once_with(fake.SNAPSHOT)
self.assertTrue(mock_update_stale_vols.called)
def test_delete_snapshot_no_netapp_vol(self):
self.mock_object(block_base.NetAppLun, 'get_metadata_property',
mock.Mock(return_value=None))
mock_super_delete_snapshot = self.mock_object(
block_base.NetAppBlockStorageLibrary, 'delete_snapshot')
mock_update_stale_vols = self.mock_object(self.library,
'_update_stale_vols')
self.library.delete_snapshot(fake.SNAPSHOT)
mock_super_delete_snapshot.assert_called_once_with(fake.SNAPSHOT)
self.assertFalse(mock_update_stale_vols.called)
def test_setup_qos_for_volume(self):
self.mock_object(na_utils, 'get_valid_qos_policy_group_info',
mock.Mock(

85
cinder/tests/unit/volume/drivers/netapp/dataontap/test_nfs_base.py
View File

@ -29,6 +29,7 @@ from cinder import exception
from cinder import test
from cinder.tests.unit.volume.drivers.netapp.dataontap import fakes as fake
from cinder import utils
from cinder.volume.drivers.netapp.dataontap.client import api as netapp_api
from cinder.volume.drivers.netapp.dataontap import nfs_base
from cinder.volume.drivers.netapp import utils as na_utils
from cinder.volume.drivers import nfs
@ -351,6 +352,90 @@ class NetAppNfsDriverTestCase(test.TestCase):
self.assertEqual(expected, result)
def test_extend_volume(self):
new_size = 100
volume_copy = copy.copy(fake.VOLUME)
volume_copy['size'] = new_size
path = '%s/%s' % (fake.NFS_SHARE, fake.NFS_VOLUME['name'])
self.mock_object(self.driver,
'local_path',
mock.Mock(return_value=path))
mock_resize_image_file = self.mock_object(self.driver,
'_resize_image_file')
mock_get_volume_extra_specs = self.mock_object(
na_utils, 'get_volume_extra_specs',
mock.Mock(return_value=fake.EXTRA_SPECS))
mock_do_qos_for_volume = self.mock_object(self.driver,
'_do_qos_for_volume')
self.driver.extend_volume(fake.VOLUME, new_size)
mock_resize_image_file.assert_called_once_with(path, new_size)
mock_get_volume_extra_specs.assert_called_once_with(fake.VOLUME)
mock_do_qos_for_volume.assert_called_once_with(volume_copy,
fake.EXTRA_SPECS,
cleanup=False)
def test_extend_volume_resize_error(self):
new_size = 100
volume_copy = copy.copy(fake.VOLUME)
volume_copy['size'] = new_size
path = '%s/%s' % (fake.NFS_SHARE, fake.NFS_VOLUME['name'])
self.mock_object(self.driver,
'local_path',
mock.Mock(return_value=path))
mock_resize_image_file = self.mock_object(
self.driver, '_resize_image_file',
mock.Mock(side_effect=netapp_api.NaApiError))
mock_get_volume_extra_specs = self.mock_object(
na_utils, 'get_volume_extra_specs',
mock.Mock(return_value=fake.EXTRA_SPECS))
mock_do_qos_for_volume = self.mock_object(self.driver,
'_do_qos_for_volume')
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.extend_volume,
fake.VOLUME,
new_size)
mock_resize_image_file.assert_called_once_with(path, new_size)
self.assertFalse(mock_get_volume_extra_specs.called)
self.assertFalse(mock_do_qos_for_volume.called)
def test_extend_volume_qos_error(self):
new_size = 100
volume_copy = copy.copy(fake.VOLUME)
volume_copy['size'] = new_size
path = '%s/%s' % (fake.NFS_SHARE, fake.NFS_VOLUME['name'])
self.mock_object(self.driver,
'local_path',
mock.Mock(return_value=path))
mock_resize_image_file = self.mock_object(self.driver,
'_resize_image_file')
mock_get_volume_extra_specs = self.mock_object(
na_utils, 'get_volume_extra_specs',
mock.Mock(return_value=fake.EXTRA_SPECS))
mock_do_qos_for_volume = self.mock_object(
self.driver, '_do_qos_for_volume',
mock.Mock(side_effect=netapp_api.NaApiError))
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.extend_volume,
fake.VOLUME,
new_size)
mock_resize_image_file.assert_called_once_with(path, new_size)
mock_get_volume_extra_specs.assert_called_once_with(fake.VOLUME)
mock_do_qos_for_volume.assert_called_once_with(volume_copy,
fake.EXTRA_SPECS,
cleanup=False)
def test_is_share_clone_compatible(self):
self.assertRaises(NotImplementedError,
self.driver._is_share_clone_compatible,

10
cinder/tests/unit/volume/drivers/netapp/fakes.py
View File

@ -56,6 +56,16 @@ VOLUME = {
'volume_type_id': VOLUME_TYPE_ID,
}
SNAPSHOT_NAME = 'fake_snapshot_name'
SNAPSHOT_ID = 'fake_snapshot_id'
SNAPSHOT = {
'name': SNAPSHOT_NAME,
'id': SNAPSHOT_ID,
'volume_id': VOLUME_ID,
'volume_name': VOLUME_NAME,
'volume_size': 42,
}
QOS_SPECS = {}

26
cinder/tests/unit/volume/drivers/netapp/test_utils.py
View File

@ -238,6 +238,19 @@ class NetAppDriverUtilsTestCase(test.TestCase):
self.assertEqual(expected, result)
def test_map_qos_spec_maxiopspergib(self):
qos_spec = {'maxIOPSperGiB': 1000}
mock_get_name = self.mock_object(na_utils, 'get_qos_policy_group_name')
mock_get_name.return_value = 'fake_qos_policy'
expected = {
'policy_name': 'fake_qos_policy',
'max_throughput': '42000iops',
}
result = na_utils.map_qos_spec(qos_spec, fake.VOLUME)
self.assertEqual(expected, result)
def test_map_qos_spec_maxbps(self):
qos_spec = {'maxBPS': 1000000}
mock_get_name = self.mock_object(na_utils, 'get_qos_policy_group_name')
@ -251,6 +264,19 @@ class NetAppDriverUtilsTestCase(test.TestCase):
self.assertEqual(expected, result)
def test_map_qos_spec_maxbpspergib(self):
qos_spec = {'maxBPSperGiB': 100000}
mock_get_name = self.mock_object(na_utils, 'get_qos_policy_group_name')
mock_get_name.return_value = 'fake_qos_policy'
expected = {
'policy_name': 'fake_qos_policy',
'max_throughput': '4200000B/s',
}
result = na_utils.map_qos_spec(qos_spec, fake.VOLUME)
self.assertEqual(expected, result)
def test_map_qos_spec_no_key_present(self):
qos_spec = {}
mock_get_name = self.mock_object(na_utils, 'get_qos_policy_group_name')

5
cinder/volume/drivers/netapp/dataontap/block_7mode.py
View File

@ -384,6 +384,11 @@ class NetAppBlockStorage7modeLibrary(block_base.NetAppBlockStorageLibrary):
self.vol_refresh_voluntary = True
LOG.debug('Deleted LUN with name %s', volume['name'])
def delete_snapshot(self, snapshot):
"""Driver entry point for deleting a snapshot."""
super(NetAppBlockStorage7modeLibrary, self).delete_snapshot(snapshot)
self.vol_refresh_voluntary = True
def _is_lun_valid_on_storage(self, lun):
"""Validate LUN specific to storage system."""
if self.volume_list:

51
cinder/volume/drivers/netapp/dataontap/block_base.py
View File

@ -22,6 +22,7 @@
Volume driver library for NetApp 7/C-mode block storage systems.
"""
import copy
import math
import sys
import uuid
@ -228,14 +229,18 @@ class NetAppBlockStorageLibrary(object):
def delete_volume(self, volume):
"""Driver entry point for destroying existing volumes."""
name = volume['name']
metadata = self._get_lun_attr(name, 'metadata')
if not metadata:
self._delete_lun(volume['name'])
def _delete_lun(self, lun_name):
"""Helper method to delete LUN backing a volume or snapshot."""
metadata = self._get_lun_attr(lun_name, 'metadata')
if metadata:
self.zapi_client.destroy_lun(metadata['Path'])
self.lun_table.pop(lun_name)
else:
LOG.warning(_LW("No entry in LUN table for volume/snapshot"
" %(name)s."), {'name': name})
return
self.zapi_client.destroy_lun(metadata['Path'])
self.lun_table.pop(name)
" %(name)s."), {'name': lun_name})
def ensure_export(self, context, volume):
"""Driver entry point to get the export info for an existing volume."""
@ -270,7 +275,7 @@ class NetAppBlockStorageLibrary(object):
def delete_snapshot(self, snapshot):
"""Driver entry point for deleting a snapshot."""
self.delete_volume(snapshot)
self._delete_lun(snapshot['name'])
LOG.debug("Snapshot %s deletion successful", snapshot['name'])
def create_volume_from_snapshot(self, volume, snapshot):
@ -305,9 +310,9 @@ class NetAppBlockStorageLibrary(object):
if destination_size != source_size:
try:
self.extend_volume(
destination_volume, destination_size,
qos_policy_group_name=qos_policy_group_name)
self._extend_volume(destination_volume,
destination_size,
qos_policy_group_name)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(
@ -479,7 +484,29 @@ class NetAppBlockStorageLibrary(object):
def _update_volume_stats(self):
raise NotImplementedError()
def extend_volume(self, volume, new_size, qos_policy_group_name=None):
def extend_volume(self, volume, new_size):
"""Driver entry point to increase the size of a volume."""
extra_specs = na_utils.get_volume_extra_specs(volume)
# Create volume copy with new size for size-dependent QOS specs
volume_copy = copy.copy(volume)
volume_copy['size'] = new_size
qos_policy_group_info = self._setup_qos_for_volume(volume_copy,
extra_specs)
qos_policy_group_name = (
na_utils.get_qos_policy_group_name_from_info(
qos_policy_group_info))
try:
self._extend_volume(volume, new_size, qos_policy_group_name)
except Exception:
with excutils.save_and_reraise_exception():
# If anything went wrong, revert QoS settings
self._setup_qos_for_volume(volume, extra_specs)
def _extend_volume(self, volume, new_size, qos_policy_group_name):
"""Extend an existing volume to the new size."""
name = volume['name']
lun = self._get_lun_from_table(name)

11
cinder/volume/drivers/netapp/dataontap/block_cmode.py
View File

@ -311,6 +311,17 @@ class NetAppBlockStorageCmodeLibrary(block_base.NetAppBlockStorageLibrary):
msg = 'Deleted LUN with name %(name)s and QoS info %(qos)s'
LOG.debug(msg, {'name': volume['name'], 'qos': qos_policy_group_info})
def delete_snapshot(self, snapshot):
"""Driver entry point for deleting a snapshot."""
lun = self.lun_table.get(snapshot['name'])
netapp_vol = lun.get_metadata_property('Volume') if lun else None
super(NetAppBlockStorageCmodeLibrary, self).delete_snapshot(snapshot)
if netapp_vol:
self._update_stale_vols(
volume=ssc_cmode.NetAppVolume(netapp_vol, self.vserver))
def _check_volume_type_for_lun(self, volume, lun, existing_ref,
extra_specs):
"""Check if LUN satisfies volume type."""

41
cinder/volume/drivers/netapp/dataontap/client/client_cmode.py
View File

@ -61,6 +61,10 @@ class Client(client_base.Client):
result = server.invoke_successfully(na_element, True)
return result
def _has_records(self, api_result_element):
num_records = api_result_element.get_child_content('num-records')
return bool(num_records and '0' != num_records)
def set_vserver(self, vserver):
self.connection.set_vserver(vserver)
@ -335,8 +339,31 @@ class Client(client_base.Client):
spec = qos_policy_group_info.get('spec')
if spec is not None:
self.qos_policy_group_create(spec['policy_name'],
spec['max_throughput'])
if not self.qos_policy_group_exists(spec['policy_name']):
self.qos_policy_group_create(spec['policy_name'],
spec['max_throughput'])
else:
self.qos_policy_group_modify(spec['policy_name'],
spec['max_throughput'])
def qos_policy_group_exists(self, qos_policy_group_name):
"""Checks if a QOS policy group exists."""
api_args = {
'query': {
'qos-policy-group-info': {
'policy-group': qos_policy_group_name,
},
},
'desired-attributes': {
'qos-policy-group-info': {
'policy-group': None,
},
},
}
result = self.send_request('qos-policy-group-get-iter',
api_args,
False)
return self._has_records(result)
def qos_policy_group_create(self, qos_policy_group_name, max_throughput):
"""Creates a QOS policy group."""
@ -347,11 +374,17 @@ class Client(client_base.Client):
}
return self.send_request('qos-policy-group-create', api_args, False)
def qos_policy_group_delete(self, qos_policy_group_name):
"""Attempts to delete a QOS policy group."""
def qos_policy_group_modify(self, qos_policy_group_name, max_throughput):
"""Modifies a QOS policy group."""
api_args = {
'policy-group': qos_policy_group_name,
'max-throughput': max_throughput,
}
return self.send_request('qos-policy-group-modify', api_args, False)
def qos_policy_group_delete(self, qos_policy_group_name):
"""Attempts to delete a QOS policy group."""
api_args = {'policy-group': qos_policy_group_name}
return self.send_request('qos-policy-group-delete', api_args, False)
def qos_policy_group_rename(self, qos_policy_group_name, new_name):

29
cinder/volume/drivers/netapp/dataontap/nfs_base.py
View File

@ -21,6 +21,7 @@
Volume driver for NetApp NFS storage.
"""
import copy
import math
import os
import re
@ -691,9 +692,33 @@ class NetAppNfsDriver(driver.ManageableVD,
def extend_volume(self, volume, new_size):
"""Extend an existing volume to the new size."""
LOG.info(_LI('Extending volume %s.'), volume['name'])
path = self.local_path(volume)
self._resize_image_file(path, new_size)
try:
path = self.local_path(volume)
self._resize_image_file(path, new_size)
except Exception as err:
exception_msg = (_("Failed to extend volume "
"%(name)s, Error msg: %(msg)s.") %
{'name': volume['name'],
'msg': six.text_type(err)})
raise exception.VolumeBackendAPIException(data=exception_msg)
try:
extra_specs = na_utils.get_volume_extra_specs(volume)
# Create volume copy with new size for size-dependent QOS specs
volume_copy = copy.copy(volume)
volume_copy['size'] = new_size
self._do_qos_for_volume(volume_copy, extra_specs, cleanup=False)
except Exception as err:
exception_msg = (_("Failed to set QoS for existing volume "
"%(name)s, Error msg: %(msg)s.") %
{'name': volume['name'],
'msg': six.text_type(err)})
raise exception.VolumeBackendAPIException(data=exception_msg)
def _is_share_clone_compatible(self, volume, share):
"""Checks if share is compatible with volume to host its clone."""

13
cinder/volume/drivers/netapp/utils.py
View File

@ -50,7 +50,7 @@ DEPRECATED_SSC_SPECS = {'netapp_unmirrored': 'netapp_mirrored',
'netapp_nodedup': 'netapp_dedup',
'netapp_nocompression': 'netapp_compression',
'netapp_thick_provisioned': 'netapp_thin_provisioned'}
QOS_KEYS = frozenset(['maxIOPS', 'maxBPS'])
QOS_KEYS = frozenset(['maxIOPS', 'maxIOPSperGiB', 'maxBPS', 'maxBPSperGiB'])
BACKEND_QOS_CONSUMERS = frozenset(['back-end', 'both'])
@ -199,14 +199,23 @@ def map_qos_spec(qos_spec, volume):
"""Map Cinder QOS spec to limit/throughput-value as used in client API."""
if qos_spec is None:
return None
qos_spec = map_dict_to_lower(qos_spec)
spec = dict(policy_name=get_qos_policy_group_name(volume),
max_throughput=None)
# IOPS and BPS specifications are exclusive of one another.
# QoS specs are exclusive of one another.
if 'maxiops' in qos_spec:
spec['max_throughput'] = '%siops' % qos_spec['maxiops']
elif 'maxiopspergib' in qos_spec:
spec['max_throughput'] = '%siops' % six.text_type(
int(qos_spec['maxiopspergib']) * int(volume['size']))
elif 'maxbps' in qos_spec:
spec['max_throughput'] = '%sB/s' % qos_spec['maxbps']
elif 'maxbpspergib' in qos_spec:
spec['max_throughput'] = '%sB/s' % six.text_type(
int(qos_spec['maxbpspergib']) * int(volume['size']))
return spec