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test_volume.py
1212 lines (1027 loc) · 46 KB
/
test_volume.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Tests for Volume Code.
"""
import datetime
import os
import mox
import shutil
import tempfile
from cinder import context
from cinder import db
from cinder import exception
from cinder import flags
from cinder.image import image_utils
from cinder.openstack.common import importutils
from cinder.openstack.common.notifier import api as notifier_api
from cinder.openstack.common.notifier import test_notifier
from cinder.openstack.common import rpc
import cinder.policy
from cinder import quota
from cinder import test
from cinder.tests import fake_flags
from cinder.tests.image import fake as fake_image
from cinder.volume import configuration as conf
from cinder.volume import driver
from cinder.volume import iscsi
QUOTAS = quota.QUOTAS
FLAGS = flags.FLAGS
class VolumeTestCase(test.TestCase):
"""Test Case for volumes."""
def setUp(self):
super(VolumeTestCase, self).setUp()
vol_tmpdir = tempfile.mkdtemp()
self.flags(connection_type='fake',
volumes_dir=vol_tmpdir,
notification_driver=[test_notifier.__name__])
self.volume = importutils.import_object(FLAGS.volume_manager)
self.context = context.get_admin_context()
self.stubs.Set(iscsi.TgtAdm, '_get_target', self.fake_get_target)
fake_image.stub_out_image_service(self.stubs)
test_notifier.NOTIFICATIONS = []
def tearDown(self):
try:
shutil.rmtree(FLAGS.volumes_dir)
except OSError:
pass
notifier_api._reset_drivers()
super(VolumeTestCase, self).tearDown()
def fake_get_target(obj, iqn):
return 1
@staticmethod
def _create_volume(size=0, snapshot_id=None, image_id=None,
metadata=None):
"""Create a volume object."""
vol = {}
vol['size'] = size
vol['snapshot_id'] = snapshot_id
vol['image_id'] = image_id
vol['user_id'] = 'fake'
vol['project_id'] = 'fake'
vol['availability_zone'] = FLAGS.storage_availability_zone
vol['status'] = "creating"
vol['attach_status'] = "detached"
vol['host'] = FLAGS.host
if metadata is not None:
vol['metadata'] = metadata
return db.volume_create(context.get_admin_context(), vol)
def test_create_delete_volume(self):
"""Test volume can be created and deleted."""
# Need to stub out reserve, commit, and rollback
def fake_reserve(context, expire=None, project_id=None, **deltas):
return ["RESERVATION"]
def fake_commit(context, reservations, project_id=None):
pass
def fake_rollback(context, reservations, project_id=None):
pass
self.stubs.Set(QUOTAS, "reserve", fake_reserve)
self.stubs.Set(QUOTAS, "commit", fake_commit)
self.stubs.Set(QUOTAS, "rollback", fake_rollback)
volume = self._create_volume()
volume_id = volume['id']
self.assertEquals(len(test_notifier.NOTIFICATIONS), 0)
self.volume.create_volume(self.context, volume_id)
self.assertEquals(len(test_notifier.NOTIFICATIONS), 2)
self.assertEqual(volume_id, db.volume_get(context.get_admin_context(),
volume_id).id)
self.volume.delete_volume(self.context, volume_id)
vol = db.volume_get(context.get_admin_context(read_deleted='yes'),
volume_id)
self.assertEquals(vol['status'], 'deleted')
self.assertEquals(len(test_notifier.NOTIFICATIONS), 4)
self.assertRaises(exception.NotFound,
db.volume_get,
self.context,
volume_id)
def test_create_delete_volume_with_metadata(self):
"""Test volume can be created with metadata and deleted."""
test_meta = {'fake_key': 'fake_value'}
volume = self._create_volume(0, None, metadata=test_meta)
volume_id = volume['id']
self.volume.create_volume(self.context, volume_id)
result_meta = {
volume.volume_metadata[0].key: volume.volume_metadata[0].value}
self.assertEqual(result_meta, test_meta)
self.volume.delete_volume(self.context, volume_id)
self.assertRaises(exception.NotFound,
db.volume_get,
self.context,
volume_id)
def test_create_volume_with_invalid_metadata(self):
"""Test volume create with too much metadata fails."""
volume_api = cinder.volume.api.API()
test_meta = {'fake_key': 'fake_value' * 256}
self.assertRaises(exception.InvalidVolumeMetadataSize,
volume_api.create,
self.context,
1,
'name',
'description',
None,
None,
None,
test_meta)
def test_create_volume_with_volume_type(self):
"""Test volume creation with default volume type."""
def fake_reserve(context, expire=None, project_id=None, **deltas):
return ["RESERVATION"]
def fake_commit(context, reservations, project_id=None):
pass
def fake_rollback(context, reservations, project_id=None):
pass
self.stubs.Set(QUOTAS, "reserve", fake_reserve)
self.stubs.Set(QUOTAS, "commit", fake_commit)
self.stubs.Set(QUOTAS, "rollback", fake_rollback)
volume_api = cinder.volume.api.API()
# Create volume with default volume type while default
# volume type doesn't exist, volume_type_id should be NULL
volume = volume_api.create(self.context,
1,
'name',
'description')
self.assertEquals(volume['volume_type_id'], None)
# Create default volume type
vol_type = fake_flags.def_vol_type
db.volume_type_create(context.get_admin_context(),
dict(name=vol_type, extra_specs={}))
db_vol_type = db.volume_type_get_by_name(context.get_admin_context(),
vol_type)
# Create volume with default volume type
volume = volume_api.create(self.context,
1,
'name',
'description')
self.assertEquals(volume['volume_type_id'], db_vol_type.get('id'))
# Create volume with specific volume type
vol_type = 'test'
db.volume_type_create(context.get_admin_context(),
dict(name=vol_type, extra_specs={}))
db_vol_type = db.volume_type_get_by_name(context.get_admin_context(),
vol_type)
volume = volume_api.create(self.context,
1,
'name',
'description',
volume_type=db_vol_type)
self.assertEquals(volume['volume_type_id'], db_vol_type.get('id'))
def test_delete_busy_volume(self):
"""Test volume survives deletion if driver reports it as busy."""
volume = self._create_volume()
volume_id = volume['id']
self.volume.create_volume(self.context, volume_id)
self.mox.StubOutWithMock(self.volume.driver, 'delete_volume')
self.volume.driver.delete_volume(
mox.IgnoreArg()).AndRaise(exception.VolumeIsBusy(
volume_name='fake'))
self.mox.ReplayAll()
res = self.volume.delete_volume(self.context, volume_id)
self.assertEqual(True, res)
volume_ref = db.volume_get(context.get_admin_context(), volume_id)
self.assertEqual(volume_id, volume_ref.id)
self.assertEqual("available", volume_ref.status)
self.mox.UnsetStubs()
self.volume.delete_volume(self.context, volume_id)
def test_create_volume_from_snapshot(self):
"""Test volume can be created from a snapshot."""
volume_src = self._create_volume()
self.volume.create_volume(self.context, volume_src['id'])
snapshot_id = self._create_snapshot(volume_src['id'])['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
volume_dst = self._create_volume(0, snapshot_id)
self.volume.create_volume(self.context, volume_dst['id'], snapshot_id)
self.assertEqual(volume_dst['id'],
db.volume_get(
context.get_admin_context(),
volume_dst['id']).id)
self.assertEqual(snapshot_id,
db.volume_get(context.get_admin_context(),
volume_dst['id']).snapshot_id)
self.volume.delete_volume(self.context, volume_dst['id'])
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_src['id'])
def test_create_volume_from_snapshot_fail_bad_size(self):
"""Test volume can't be created from snapshot with bad volume size."""
volume_api = cinder.volume.api.API()
snapshot = dict(id=1234,
status='available',
volume_size=10)
self.assertRaises(exception.InvalidInput,
volume_api.create,
self.context,
size=1,
name='fake_name',
description='fake_desc',
snapshot=snapshot)
def test_create_volume_with_invalid_exclusive_options(self):
"""Test volume create with multiple exclusive options fails."""
volume_api = cinder.volume.api.API()
self.assertRaises(exception.InvalidInput,
volume_api.create,
self.context,
1,
'name',
'description',
snapshot='fake_id',
image_id='fake_id',
source_volume='fake_id')
def test_too_big_volume(self):
"""Ensure failure if a too large of a volume is requested."""
# FIXME(vish): validation needs to move into the data layer in
# volume_create
return True
try:
volume = self._create_volume(1001)
self.volume.create_volume(self.context, volume)
self.fail("Should have thrown TypeError")
except TypeError:
pass
def test_run_attach_detach_volume(self):
"""Make sure volume can be attached and detached from instance."""
instance_uuid = '12345678-1234-5678-1234-567812345678'
mountpoint = "/dev/sdf"
volume = self._create_volume()
volume_id = volume['id']
self.volume.create_volume(self.context, volume_id)
db.volume_attached(self.context, volume_id, instance_uuid, mountpoint)
vol = db.volume_get(context.get_admin_context(), volume_id)
self.assertEqual(vol['status'], "in-use")
self.assertEqual(vol['attach_status'], "attached")
self.assertEqual(vol['mountpoint'], mountpoint)
self.assertEqual(vol['instance_uuid'], instance_uuid)
self.assertRaises(exception.VolumeAttached,
self.volume.delete_volume,
self.context,
volume_id)
db.volume_detached(self.context, volume_id)
vol = db.volume_get(self.context, volume_id)
self.assertEqual(vol['status'], "available")
self.volume.delete_volume(self.context, volume_id)
self.assertRaises(exception.VolumeNotFound,
db.volume_get,
self.context,
volume_id)
@test.skip_test
def test_preattach_status_volume(self):
"""Ensure volume goes into pre-attaching state"""
instance_uuid = '12345678-1234-5678-1234-567812345678'
mountpoint = "/dev/sdf"
volume = db.volume_create(self.context, {'size': 1,
'status': 'available'})
volume_id = volume['id']
volume_api = cinder.volume.api.API()
volume_api.attach(self.context, volume, instance_uuid, mountpoint)
vol = db.volume_get(self.context, volume_id)
self.assertEqual(vol['status'], "available")
self.assertEqual(vol['attach_status'], None)
self.assertEqual(vol['instance_uuid'], None)
def test_concurrent_volumes_get_different_targets(self):
"""Ensure multiple concurrent volumes get different targets."""
volume_ids = []
targets = []
def _check(volume_id):
"""Make sure targets aren't duplicated."""
volume_ids.append(volume_id)
admin_context = context.get_admin_context()
iscsi_target = db.volume_get_iscsi_target_num(admin_context,
volume_id)
self.assert_(iscsi_target not in targets)
targets.append(iscsi_target)
total_slots = FLAGS.iscsi_num_targets
for _index in xrange(total_slots):
self._create_volume()
for volume_id in volume_ids:
self.volume.delete_volume(self.context, volume_id)
def test_multi_node(self):
# TODO(termie): Figure out how to test with two nodes,
# each of them having a different FLAG for storage_node
# This will allow us to test cross-node interactions
pass
@staticmethod
def _create_snapshot(volume_id, size='0'):
"""Create a snapshot object."""
snap = {}
snap['volume_size'] = size
snap['user_id'] = 'fake'
snap['project_id'] = 'fake'
snap['volume_id'] = volume_id
snap['status'] = "creating"
return db.snapshot_create(context.get_admin_context(), snap)
def test_create_delete_snapshot(self):
"""Test snapshot can be created and deleted."""
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
snapshot_id = self._create_snapshot(volume['id'])['id']
self.volume.create_snapshot(self.context, volume['id'], snapshot_id)
self.assertEqual(snapshot_id,
db.snapshot_get(context.get_admin_context(),
snapshot_id).id)
self.volume.delete_snapshot(self.context, snapshot_id)
snap = db.snapshot_get(context.get_admin_context(read_deleted='yes'),
snapshot_id)
self.assertEquals(snap['status'], 'deleted')
self.assertRaises(exception.NotFound,
db.snapshot_get,
self.context,
snapshot_id)
self.volume.delete_volume(self.context, volume['id'])
def test_cant_delete_volume_in_use(self):
"""Test volume can't be deleted in invalid stats."""
# create a volume and assign to host
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
volume['status'] = 'in-use'
volume['host'] = 'fakehost'
volume_api = cinder.volume.api.API()
# 'in-use' status raises InvalidVolume
self.assertRaises(exception.InvalidVolume,
volume_api.delete,
self.context,
volume)
# clean up
self.volume.delete_volume(self.context, volume['id'])
def test_force_delete_volume(self):
"""Test volume can be forced to delete."""
# create a volume and assign to host
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
volume['status'] = 'error_deleting'
volume['host'] = 'fakehost'
volume_api = cinder.volume.api.API()
# 'error_deleting' volumes can't be deleted
self.assertRaises(exception.InvalidVolume,
volume_api.delete,
self.context,
volume)
# delete with force
volume_api.delete(self.context, volume, force=True)
# status is deleting
volume = db.volume_get(context.get_admin_context(), volume['id'])
self.assertEquals(volume['status'], 'deleting')
# clean up
self.volume.delete_volume(self.context, volume['id'])
def test_cant_delete_volume_with_snapshots(self):
"""Test volume can't be deleted with dependent snapshots."""
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
snapshot_id = self._create_snapshot(volume['id'])['id']
self.volume.create_snapshot(self.context, volume['id'], snapshot_id)
self.assertEqual(snapshot_id,
db.snapshot_get(context.get_admin_context(),
snapshot_id).id)
volume['status'] = 'available'
volume['host'] = 'fakehost'
volume_api = cinder.volume.api.API()
self.assertRaises(exception.InvalidVolume,
volume_api.delete,
self.context,
volume)
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume['id'])
def test_can_delete_errored_snapshot(self):
"""Test snapshot can be created and deleted."""
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
snapshot_id = self._create_snapshot(volume['id'])['id']
self.volume.create_snapshot(self.context, volume['id'], snapshot_id)
snapshot = db.snapshot_get(context.get_admin_context(),
snapshot_id)
volume_api = cinder.volume.api.API()
snapshot['status'] = 'badstatus'
self.assertRaises(exception.InvalidVolume,
volume_api.delete_snapshot,
self.context,
snapshot)
snapshot['status'] = 'error'
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume['id'])
def test_create_snapshot_force(self):
"""Test snapshot in use can be created forcibly."""
def fake_cast(ctxt, topic, msg):
pass
self.stubs.Set(rpc, 'cast', fake_cast)
instance_uuid = '12345678-1234-5678-1234-567812345678'
volume = self._create_volume()
self.volume.create_volume(self.context, volume['id'])
db.volume_attached(self.context, volume['id'], instance_uuid,
'/dev/sda1')
volume_api = cinder.volume.api.API()
volume = volume_api.get(self.context, volume['id'])
self.assertRaises(exception.InvalidVolume,
volume_api.create_snapshot,
self.context, volume,
'fake_name', 'fake_description')
snapshot_ref = volume_api.create_snapshot_force(self.context,
volume,
'fake_name',
'fake_description')
db.snapshot_destroy(self.context, snapshot_ref['id'])
db.volume_destroy(self.context, volume['id'])
def test_delete_busy_snapshot(self):
"""Test snapshot can be created and deleted."""
volume = self._create_volume()
volume_id = volume['id']
self.volume.create_volume(self.context, volume_id)
snapshot_id = self._create_snapshot(volume_id)['id']
self.volume.create_snapshot(self.context, volume_id, snapshot_id)
self.mox.StubOutWithMock(self.volume.driver, 'delete_snapshot')
self.volume.driver.delete_snapshot(
mox.IgnoreArg()).AndRaise(
exception.SnapshotIsBusy(snapshot_name='fake'))
self.mox.ReplayAll()
self.volume.delete_snapshot(self.context, snapshot_id)
snapshot_ref = db.snapshot_get(self.context, snapshot_id)
self.assertEqual(snapshot_id, snapshot_ref.id)
self.assertEqual("available", snapshot_ref.status)
self.mox.UnsetStubs()
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_id)
def _create_volume_from_image(self, expected_status,
fakeout_copy_image_to_volume=False):
"""Call copy image to volume, Test the status of volume after calling
copying image to volume."""
def fake_local_path(volume):
return dst_path
def fake_copy_image_to_volume(context, volume,
image_service, image_id):
pass
def fake_fetch_to_raw(context, image_service, image_id, vol_path):
pass
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
self.stubs.Set(image_utils, 'fetch_to_raw', fake_fetch_to_raw)
if fakeout_copy_image_to_volume:
self.stubs.Set(self.volume, '_copy_image_to_volume',
fake_copy_image_to_volume)
image_id = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77'
volume_id = 1
# creating volume testdata
db.volume_create(self.context,
{'id': volume_id,
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'creating',
'instance_uuid': None,
'host': 'dummy'})
try:
self.volume.create_volume(self.context,
volume_id,
image_id=image_id)
volume = db.volume_get(self.context, volume_id)
self.assertEqual(volume['status'], expected_status)
finally:
# cleanup
db.volume_destroy(self.context, volume_id)
os.unlink(dst_path)
def test_create_volume_from_image_status_available(self):
"""Verify that before copying image to volume, it is in available
state."""
self._create_volume_from_image('available')
def test_create_volume_from_image_exception(self):
"""Verify that create volume from image, the volume status is
'downloading'."""
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
self.stubs.Set(self.volume.driver, 'local_path', lambda x: dst_path)
image_id = 'aaaaaaaa-0000-0000-0000-000000000000'
# creating volume testdata
volume_id = 1
db.volume_create(self.context,
{'id': volume_id,
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'creating',
'host': 'dummy'})
self.assertRaises(exception.ImageNotFound,
self.volume.create_volume,
self.context,
volume_id, None, None, None,
None,
image_id)
volume = db.volume_get(self.context, volume_id)
self.assertEqual(volume['status'], "error")
# cleanup
db.volume_destroy(self.context, volume_id)
os.unlink(dst_path)
def test_copy_volume_to_image_status_available(self):
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
def fake_local_path(volume):
return dst_path
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
image_meta = {
'id': '70a599e0-31e7-49b7-b260-868f441e862b',
'container_format': 'bare',
'disk_format': 'raw'}
# creating volume testdata
volume_id = 1
db.volume_create(self.context,
{'id': volume_id,
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'uploading',
'instance_uuid': None,
'host': 'dummy'})
try:
# start test
self.volume.copy_volume_to_image(self.context,
volume_id,
image_meta)
volume = db.volume_get(self.context, volume_id)
self.assertEqual(volume['status'], 'available')
finally:
# cleanup
db.volume_destroy(self.context, volume_id)
os.unlink(dst_path)
def test_copy_volume_to_image_status_use(self):
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
def fake_local_path(volume):
return dst_path
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
image_meta = {
'id': 'a440c04b-79fa-479c-bed1-0b816eaec379',
'container_format': 'bare',
'disk_format': 'raw'}
# creating volume testdata
volume_id = 1
db.volume_create(
self.context,
{'id': volume_id,
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'uploading',
'instance_uuid': 'b21f957d-a72f-4b93-b5a5-45b1161abb02',
'host': 'dummy'})
try:
# start test
self.volume.copy_volume_to_image(self.context,
volume_id,
image_meta)
volume = db.volume_get(self.context, volume_id)
self.assertEqual(volume['status'], 'in-use')
finally:
# cleanup
db.volume_destroy(self.context, volume_id)
os.unlink(dst_path)
def test_copy_volume_to_image_exception(self):
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
def fake_local_path(volume):
return dst_path
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
image_meta = {
'id': 'aaaaaaaa-0000-0000-0000-000000000000',
'container_format': 'bare',
'disk_format': 'raw'}
# creating volume testdata
volume_id = 1
db.volume_create(self.context,
{'id': volume_id,
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'in-use',
'host': 'dummy'})
try:
# start test
self.assertRaises(exception.ImageNotFound,
self.volume.copy_volume_to_image,
self.context,
volume_id,
image_meta)
volume = db.volume_get(self.context, volume_id)
self.assertEqual(volume['status'], 'available')
finally:
# cleanup
db.volume_destroy(self.context, volume_id)
os.unlink(dst_path)
def test_create_volume_from_exact_sized_image(self):
"""Verify that an image which is exactly the same size as the
volume, will work correctly."""
class _FakeImageService:
def __init__(self, db_driver=None, image_service=None):
pass
def show(self, context, image_id):
return {'size': 2 * 1024 * 1024 * 1024,
'disk_format': 'raw',
'container_format': 'bare'}
image_id = '70a599e0-31e7-49b7-b260-868f441e862b'
try:
volume_id = None
volume_api = cinder.volume.api.API(
image_service=_FakeImageService())
volume = volume_api.create(self.context, 2, 'name', 'description',
image_id=1)
volume_id = volume['id']
self.assertEqual(volume['status'], 'creating')
finally:
# cleanup
db.volume_destroy(self.context, volume_id)
def test_create_volume_from_oversized_image(self):
"""Verify that an image which is too big will fail correctly."""
class _FakeImageService:
def __init__(self, db_driver=None, image_service=None):
pass
def show(self, context, image_id):
return {'size': 2 * 1024 * 1024 * 1024 + 1,
'disk_format': 'raw',
'container_format': 'bare'}
image_id = '70a599e0-31e7-49b7-b260-868f441e862b'
volume_api = cinder.volume.api.API(image_service=_FakeImageService())
self.assertRaises(exception.InvalidInput,
volume_api.create,
self.context, 2,
'name', 'description', image_id=1)
def _do_test_create_volume_with_size(self, size):
def fake_reserve(context, expire=None, project_id=None, **deltas):
return ["RESERVATION"]
def fake_commit(context, reservations, project_id=None):
pass
def fake_rollback(context, reservations, project_id=None):
pass
self.stubs.Set(QUOTAS, "reserve", fake_reserve)
self.stubs.Set(QUOTAS, "commit", fake_commit)
self.stubs.Set(QUOTAS, "rollback", fake_rollback)
volume_api = cinder.volume.api.API()
volume = volume_api.create(self.context,
size,
'name',
'description')
self.assertEquals(volume['size'], int(size))
def test_create_volume_int_size(self):
"""Test volume creation with int size."""
self._do_test_create_volume_with_size(2)
def test_create_volume_string_size(self):
"""Test volume creation with string size."""
self._do_test_create_volume_with_size('2')
def test_create_volume_with_bad_size(self):
def fake_reserve(context, expire=None, project_id=None, **deltas):
return ["RESERVATION"]
def fake_commit(context, reservations, project_id=None):
pass
def fake_rollback(context, reservations, project_id=None):
pass
self.stubs.Set(QUOTAS, "reserve", fake_reserve)
self.stubs.Set(QUOTAS, "commit", fake_commit)
self.stubs.Set(QUOTAS, "rollback", fake_rollback)
volume_api = cinder.volume.api.API()
self.assertRaises(exception.InvalidInput,
volume_api.create,
self.context,
'2Gb',
'name',
'description')
def test_create_volume_usage_notification(self):
"""Ensure create volume generates appropriate usage notification"""
volume = self._create_volume()
volume_id = volume['id']
self.assertEquals(len(test_notifier.NOTIFICATIONS), 0)
self.volume.create_volume(self.context, volume_id)
self.assertEquals(len(test_notifier.NOTIFICATIONS), 2)
msg = test_notifier.NOTIFICATIONS[0]
self.assertEquals(msg['event_type'], 'volume.create.start')
msg = test_notifier.NOTIFICATIONS[1]
self.assertEquals(msg['priority'], 'INFO')
self.assertEquals(msg['event_type'], 'volume.create.end')
payload = msg['payload']
self.assertEquals(payload['tenant_id'], volume['project_id'])
self.assertEquals(payload['user_id'], volume['user_id'])
self.assertEquals(payload['volume_id'], volume['id'])
self.assertEquals(payload['status'], 'creating')
self.assertEquals(payload['size'], volume['size'])
self.assertTrue('display_name' in payload)
self.assertTrue('snapshot_id' in payload)
self.assertTrue('launched_at' in payload)
self.assertTrue('created_at' in payload)
self.volume.delete_volume(self.context, volume_id)
def test_begin_roll_detaching_volume(self):
"""Test begin_detaching and roll_detaching functions."""
volume = self._create_volume()
volume_api = cinder.volume.api.API()
volume_api.begin_detaching(self.context, volume)
volume = db.volume_get(self.context, volume['id'])
self.assertEqual(volume['status'], "detaching")
volume_api.roll_detaching(self.context, volume)
volume = db.volume_get(self.context, volume['id'])
self.assertEqual(volume['status'], "in-use")
def test_volume_api_update(self):
# create a raw vol
volume = self._create_volume()
# use volume.api to update name
volume_api = cinder.volume.api.API()
update_dict = {'display_name': 'test update name'}
volume_api.update(self.context, volume, update_dict)
# read changes from db
vol = db.volume_get(context.get_admin_context(), volume['id'])
self.assertEquals(vol['display_name'], 'test update name')
def test_volume_api_update_snapshot(self):
# create raw snapshot
volume = self._create_volume()
snapshot = self._create_snapshot(volume['id'])
self.assertEquals(snapshot['display_name'], None)
# use volume.api to update name
volume_api = cinder.volume.api.API()
update_dict = {'display_name': 'test update name'}
volume_api.update_snapshot(self.context, snapshot, update_dict)
# read changes from db
snap = db.snapshot_get(context.get_admin_context(), snapshot['id'])
self.assertEquals(snap['display_name'], 'test update name')
def test_volume_get_active_by_window(self):
# Find all all volumes valid within a timeframe window.
try: # Not in window
db.volume_create(
self.context,
{
'id': 1,
'host': 'devstack',
'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'deleted': True, 'status': 'deleted',
'deleted_at': datetime.datetime(1, 2, 1, 1, 1, 1),
}
)
except exception.VolumeNotFound:
pass
try: # In - deleted in window
db.volume_create(
self.context,
{
'id': 2,
'host': 'devstack',
'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'deleted': True, 'status': 'deleted',
'deleted_at': datetime.datetime(1, 3, 10, 1, 1, 1),
}
)
except exception.VolumeNotFound:
pass
try: # In - deleted after window
db.volume_create(
self.context,
{
'id': 3,
'host': 'devstack',
'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'deleted': True, 'status': 'deleted',
'deleted_at': datetime.datetime(1, 5, 1, 1, 1, 1),
}
)
except exception.VolumeNotFound:
pass
# In - created in window
db.volume_create(
self.context,
{
'id': 4,
'host': 'devstack',
'created_at': datetime.datetime(1, 3, 10, 1, 1, 1),
}
)
# Not of window.
db.volume_create(
self.context,
{
'id': 5,
'host': 'devstack',
'created_at': datetime.datetime(1, 5, 1, 1, 1, 1),
}
)
volumes = db.volume_get_active_by_window(
self.context,
datetime.datetime(1, 3, 1, 1, 1, 1),
datetime.datetime(1, 4, 1, 1, 1, 1))
self.assertEqual(len(volumes), 3)
self.assertEqual(volumes[0].id, u'2')
self.assertEqual(volumes[1].id, u'3')
self.assertEqual(volumes[2].id, u'4')
def test_snapshot_get_active_by_window(self):
# Find all all snapshots valid within a timeframe window.
vol = db.volume_create(self.context, {'id': 1})
try: # Not in window
db.snapshot_create(
self.context,
{
'id': 1,
'host': 'devstack',
'volume_id': 1,
'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'deleted': True, 'status': 'deleted',
'deleted_at': datetime.datetime(1, 2, 1, 1, 1, 1),
}
)
except exception.SnapshotNotFound:
pass
try: # In - deleted in window
db.snapshot_create(
self.context,
{
'id': 2,
'host': 'devstack',
'volume_id': 1,
'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'deleted': True, 'status': 'deleted',
'deleted_at': datetime.datetime(1, 3, 10, 1, 1, 1),
}
)
except exception.SnapshotNotFound:
pass
try: # In - deleted after window
db.snapshot_create(
self.context,
{
'id': 3,
'host': 'devstack',
'volume_id': 1,