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,
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_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, 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_id = '70a599e0-31e7-49b7-b260-868f441e862b'
# 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_id)
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_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_id = "70a599e0-31e7-49b7-b260-868f441e862b"
# 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_id)
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_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_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': 'in-use',
'host': 'dummy'})
try:
# start test
self.assertRaises(exception.ImageNotFound,
self.volume.copy_volume_to_image,
self.context,
volume_id,
image_id)
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_id = '70a599e0-31e7-49b7-b260-868f441e862b'
image_id = 'a440c04b-79fa-479c-bed1-0b816eaec379'
# 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_id)
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_describe_volumes(self):
"""Makes sure describe_volumes works and filters results."""
vol1 = db.volume_create(self.context, {})
vol2 = db.volume_create(self.context, {})
result = self.cloud.describe_volumes(self.context)
self.assertEqual(len(result['volumeSet']), 2)
volume_id = ec2utils.id_to_ec2_id(vol2['id'], 'vol-%08x')
result = self.cloud.describe_volumes(self.context,
volume_id=[volume_id])
self.assertEqual(len(result['volumeSet']), 1)
self.assertEqual(
ec2utils.ec2_id_to_id(result['volumeSet'][0]['volumeId']),
vol2['id'])
db.volume_destroy(self.context, vol1['id'])
db.volume_destroy(self.context, vol2['id'])
def test_describe_volumes(self):
"""Makes sure describe_volumes works and filters results."""
vol1 = db.volume_create(self.context, {})
vol2 = db.volume_create(self.context, {})
result = self.cloud.describe_volumes(self.context)
self.assertEqual(len(result['volumeSet']), 2)
volume_id = cloud.id_to_ec2_id(vol2['id'], 'vol-%08x')
result = self.cloud.describe_volumes(self.context,
volume_id=[volume_id])
self.assertEqual(len(result['volumeSet']), 1)
self.assertEqual(
cloud.ec2_id_to_id(result['volumeSet'][0]['volumeId']),
vol2['id'])
db.volume_destroy(self.context, vol1['id'])
db.volume_destroy(self.context, vol2['id'])
def _create_volume(self, size=10):
"""Create a test volume"""
vol = {}
vol['user_id'] = self.user.id
vol['project_id'] = self.project.id
vol['size'] = size
return db.volume_create(self.context, vol)['id']
def test_live_migration_src_check_volume_node_not_alive(self):
"""Raise exception when volume node is not alive."""
instance_id = self._create_instance()
i_ref = db.instance_get(self.context, instance_id)
dic = {'instance_id': instance_id, 'size': 1}
v_ref = db.volume_create(self.context, {
'instance_id': instance_id,
'size': 1
})
t1 = utils.utcnow() - datetime.timedelta(1)
dic = {
'created_at': t1,
'updated_at': t1,
'binary': 'nova-volume',
'topic': 'volume',
'report_count': 0
}
s_ref = db.service_create(self.context, dic)
self.assertRaises(exception.VolumeServiceUnavailable,
self.scheduler.driver.schedule_live_migration,
self.context, instance_id, i_ref['host'])
db.instance_destroy(self.context, instance_id)
db.service_destroy(self.context, s_ref['id'])
db.volume_destroy(self.context, v_ref['id'])
def _provision_volume(self, context, vol, vsa_id, availability_zone):
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
now = utils.utcnow()
options = {
'size': vol['size'],
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': None,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': vol['name'],
'display_description': vol['description'],
'volume_type_id': vol['volume_type_id'],
'metadata': dict(to_vsa_id=vsa_id),
'host': vol['host'],
'scheduled_at': now
}
size = vol['size']
host = vol['host']
name = vol['name']
LOG.debug(_("Provision volume %(name)s of size %(size)s GB on "\
"host %(host)s"), locals())
volume_ref = db.volume_create(context, options)
rpc.cast(context,
db.queue_get_for(context, "volume", vol['host']),
{"method": "create_volume",
"args": {"volume_id": volume_ref['id'],
"snapshot_id": None}})
def _create_volume(self, size=10):
"""Create a test volume"""
vol = {}
vol['user_id'] = self.user.id
vol['project_id'] = self.project.id
vol['size'] = size
return db.volume_create(self.context, vol)['id']
def _create_volume(self, size=10):
"""Create a test volume"""
vol = {}
vol["user_id"] = self.user_id
vol["project_id"] = self.project_id
vol["size"] = size
return db.volume_create(self.context, vol)["id"]
def _provision_volume(self, context, vol, vsa_id, availability_zone):
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
now = utils.utcnow()
options = {
'size': vol['size'],
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': None,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': vol['name'],
'display_description': vol['description'],
'volume_type_id': vol['volume_type_id'],
'metadata': dict(to_vsa_id=vsa_id),
}
size = vol['size']
host = vol['host']
name = vol['name']
LOG.debug(_("Provision volume %(name)s of size %(size)s GB on "\
"host %(host)s"), locals())
volume_ref = db.volume_create(context.elevated(), options)
driver.cast_to_volume_host(context,
vol['host'],
'create_volume',
volume_id=volume_ref['id'],
snapshot_id=None)
def _provision_volume(self, context, vol, vsa_id, availability_zone):
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
now = utils.utcnow()
options = {
'size': vol['size'],
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': None,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': vol['name'],
'display_description': vol['description'],
'volume_type_id': vol['volume_type_id'],
'metadata': dict(to_vsa_id=vsa_id),
}
size = vol['size']
host = vol['host']
name = vol['name']
LOG.debug(_("Provision volume %(name)s of size %(size)s GB on "\
"host %(host)s"), locals())
volume_ref = db.volume_create(context.elevated(), options)
driver.cast_to_volume_host(context, vol['host'],
'create_volume', volume_id=volume_ref['id'],
snapshot_id=None)
def _provision_volume(self, context, vol, vsa_id, availability_zone):
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
now = utils.utcnow()
options = {
"size": vol["size"],
"user_id": context.user_id,
"project_id": context.project_id,
"snapshot_id": None,
"availability_zone": availability_zone,
"status": "creating",
"attach_status": "detached",
"display_name": vol["name"],
"display_description": vol["description"],
"volume_type_id": vol["volume_type_id"],
"metadata": dict(to_vsa_id=vsa_id),
}
size = vol["size"]
host = vol["host"]
name = vol["name"]
LOG.debug(_("Provision volume %(name)s of size %(size)s GB on " "host %(host)s"), locals())
volume_ref = db.volume_create(context.elevated(), options)
driver.cast_to_volume_host(context, vol["host"], "create_volume", volume_id=volume_ref["id"], snapshot_id=None)
def test_update_of_volume_display_fields(self):
vol = db.volume_create(self.context, {})
self.cloud.update_volume(self.context,
ec2utils.id_to_ec2_id(vol['id'], 'vol-%08x'),
display_name='c00l v0lum3')
vol = db.volume_get(self.context, vol['id'])
self.assertEqual('c00l v0lum3', vol['display_name'])
db.volume_destroy(self.context, vol['id'])
def test_update_of_volume_wont_update_private_fields(self):
vol = db.volume_create(self.context, {})
self.cloud.update_volume(self.context,
ec2utils.id_to_ec2_id(vol['id'], 'vol-%08x'),
mountpoint='/not/here')
vol = db.volume_get(self.context, vol['id'])
self.assertEqual(None, vol['mountpoint'])
db.volume_destroy(self.context, vol['id'])
def _create_volume(self):
"""Create a test volume"""
vol = {}
vol['image_id'] = 'ami-test'
vol['reservation_id'] = 'r-fakeres'
vol['size'] = 1
vol['availability_zone'] = 'test'
return db.volume_create(self.context, vol)['id']
def test_update_of_volume_display_fields(self):
vol = db.volume_create(self.context, {})
self.cloud.update_volume(self.context,
cloud.id_to_ec2_id(vol['id'], 'vol-%08x'),
display_name='c00l v0lum3')
vol = db.volume_get(self.context, vol['id'])
self.assertEqual('c00l v0lum3', vol['display_name'])
db.volume_destroy(self.context, vol['id'])
def _create_volume(self):
"""Create a test volume"""
vol = {}
vol["image_id"] = "ami-test"
vol["reservation_id"] = "r-fakeres"
vol["size"] = 1
vol["availability_zone"] = "test"
return db.volume_create(self.context, vol)["id"]
def test_update_of_volume_wont_update_private_fields(self):
vol = db.volume_create(self.context, {})
self.cloud.update_volume(self.context,
cloud.id_to_ec2_id(vol['id'], 'vol-%08x'),
mountpoint='/not/here')
vol = db.volume_get(self.context, vol['id'])
self.assertEqual(None, vol['mountpoint'])
db.volume_destroy(self.context, vol['id'])
def _create_volume(size='0'):
"""Create a volume object."""
vol = {}
vol['size'] = size
vol['user_id'] = 'fake'
vol['project_id'] = 'fake'
vol['availability_zone'] = FLAGS.storage_availability_zone
vol['status'] = "creating"
vol['attach_status'] = "detached"
return db.volume_create(context.get_admin_context(), vol)['id']
def _clone_volume_from_image(self, expected_status,
clone_works=True):
"""Try to clone a volume from an image, and check the status
afterwards"""
def fake_clone_image(volume, image_location):
pass
def fake_clone_error(volume, image_location):
raise exception.NovaException()
self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: True)
if clone_works:
self.stubs.Set(self.volume.driver, 'clone_image', fake_clone_image)
else:
self.stubs.Set(self.volume.driver, 'clone_image', fake_clone_error)
image_id = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77'
volume_id = 1
# creating volume testdata
db.volume_create(self.context, {'id': volume_id,
'updated_at': timeutils.utcnow(),
'display_description': 'Test Desc',
'size': 20,
'status': 'creating',
'instance_uuid': None,
'host': 'dummy'})
try:
if clone_works:
self.volume.create_volume(self.context,
volume_id,
image_id=image_id)
else:
self.assertRaises(exception.NovaException,
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)
def _create_volume(size='0'):
"""Create a volume object."""
vol = {}
vol['size'] = size
vol['user_id'] = 'fake'
vol['project_id'] = 'fake'
vol['availability_zone'] = FLAGS.storage_availability_zone
vol['status'] = "creating"
vol['attach_status'] = "detached"
return db.volume_create(context.get_admin_context(), vol)['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_id):
pass
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
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 _create_volume(self, size=0):
"""Create a volume object."""
vol = {}
vol["size"] = size
vol["user_id"] = "fake"
vol["project_id"] = "fake"
vol["host"] = "localhost"
vol["availability_zone"] = FLAGS.storage_availability_zone
vol["status"] = "creating"
vol["attach_status"] = "detached"
return db.volume_create(self.context, vol)
def _create_volume(size="0", snapshot_id=None):
"""Create a volume object."""
vol = {}
vol["size"] = size
vol["snapshot_id"] = snapshot_id
vol["user_id"] = "fake"
vol["project_id"] = "fake"
vol["availability_zone"] = FLAGS.storage_availability_zone
vol["status"] = "creating"
vol["attach_status"] = "detached"
return db.volume_create(context.get_admin_context(), vol)
def _create_volume(self, size=0):
"""Create a volume object."""
vol = {}
vol['size'] = size
vol['user_id'] = 'fake'
vol['project_id'] = 'fake'
vol['host'] = 'localhost'
vol['availability_zone'] = FLAGS.storage_availability_zone
vol['status'] = "creating"
vol['attach_status'] = "detached"
return db.volume_create(self.context, vol)
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_id):
pass
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
self.stubs.Set(self.volume.driver, "local_path", fake_local_path)
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 _create_volume(self, params={}):
"""Create a test volume"""
vol = {}
vol["snapshot_id"] = self.snapshot_id
vol["user_id"] = self.user_id
vol["project_id"] = self.project_id
vol["host"] = FLAGS.host
vol["availability_zone"] = FLAGS.storage_availability_zone
vol["status"] = "creating"
vol["attach_status"] = "detached"
vol["size"] = self.volume_size
vol.update(params)
return db.volume_create(self.context, vol)["id"]
def _create_volume(self, params={}):
"""Create a test volume"""
vol = {}
vol['snapshot_id'] = self.snapshot_id
vol['user_id'] = self.user_id
vol['project_id'] = self.project_id
vol['host'] = FLAGS.host
vol['availability_zone'] = FLAGS.storage_availability_zone
vol['status'] = "creating"
vol['attach_status'] = "detached"
vol['size'] = self.volume_size
vol.update(params)
return db.volume_create(self.context, vol)['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_id):
pass
dst_fd, dst_path = tempfile.mkstemp()
os.close(dst_fd)
self.stubs.Set(self.volume.driver, 'local_path', fake_local_path)
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 _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"
if metadata is not None:
vol['metadata'] = metadata
return db.volume_create(context.get_admin_context(), vol)
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"
if metadata is not None:
vol["metadata"] = metadata
return db.volume_create(context.get_admin_context(), vol)
def test_live_migration_raises_exception(self):
"""Confirms recover method is called when exceptions are raised."""
# Skip if non-libvirt environment
if not self.lazy_load_library_exists():
return
# Preparing data
self.compute = utils.import_object(FLAGS.compute_manager)
instance_dict = {
'host': 'fake',
'state': power_state.RUNNING,
'state_description': 'running'
}
instance_ref = db.instance_create(self.context, self.test_instance)
instance_ref = db.instance_update(self.context, instance_ref['id'],
instance_dict)
vol_dict = {'status': 'migrating', 'size': 1}
volume_ref = db.volume_create(self.context, vol_dict)
db.volume_attached(self.context, volume_ref['id'], instance_ref['id'],
'/dev/fake')
# Preparing mocks
vdmock = self.mox.CreateMock(libvirt.virDomain)
self.mox.StubOutWithMock(vdmock, "migrateToURI")
vdmock.migrateToURI(FLAGS.live_migration_uri % 'dest',
mox.IgnoreArg(),
None, FLAGS.live_migration_bandwidth).\
AndRaise(libvirt.libvirtError('ERR'))
def fake_lookup(instance_name):
if instance_name == instance_ref.name:
return vdmock
self.create_fake_libvirt_mock(lookupByName=fake_lookup)
# Start test
self.mox.ReplayAll()
conn = libvirt_conn.LibvirtConnection(False)
self.assertRaises(libvirt.libvirtError, conn._live_migration,
self.context, instance_ref, 'dest', '',
self.compute.recover_live_migration)
instance_ref = db.instance_get(self.context, instance_ref['id'])
self.assertTrue(instance_ref['state_description'] == 'running')
self.assertTrue(instance_ref['state'] == power_state.RUNNING)
volume_ref = db.volume_get(self.context, volume_ref['id'])
self.assertTrue(volume_ref['status'] == 'in-use')
db.volume_destroy(self.context, volume_ref['id'])
db.instance_destroy(self.context, instance_ref['id'])
def test_post_live_migration_working_correctly(self):
"""Confirm post_live_migration() works as expected correctly."""
dest = 'desthost'
flo_addr = '1.2.1.2'
# Preparing datas
c = context.get_admin_context()
instance_id = self._create_instance()
i_ref = db.instance_get(c, instance_id)
db.instance_update(c, i_ref['id'], {
'state_description': 'migrating',
'state': power_state.PAUSED
})
v_ref = db.volume_create(c, {'size': 1, 'instance_id': instance_id})
fix_addr = db.fixed_ip_create(c, {
'address': '1.1.1.1',
'instance_id': instance_id
})
fix_ref = db.fixed_ip_get_by_address(c, fix_addr)
flo_ref = db.floating_ip_create(c, {
'address': flo_addr,
'fixed_ip_id': fix_ref['id']
})
# reload is necessary before setting mocks
i_ref = db.instance_get(c, instance_id)
# Preparing mocks
self.mox.StubOutWithMock(self.compute.volume_manager,
'remove_compute_volume')
for v in i_ref['volumes']:
self.compute.volume_manager.remove_compute_volume(c, v['id'])
self.mox.StubOutWithMock(self.compute.driver, 'unfilter_instance')
self.compute.driver.unfilter_instance(i_ref, [])
# executing
self.mox.ReplayAll()
ret = self.compute.post_live_migration(c, i_ref, dest)
# make sure every data is rewritten to dest
i_ref = db.instance_get(c, i_ref['id'])
c1 = (i_ref['host'] == dest)
flo_refs = db.floating_ip_get_all_by_host(c, dest)
c2 = (len(flo_refs) != 0 and flo_refs[0]['address'] == flo_addr)
# post operaton
self.assertTrue(c1 and c2)
db.instance_destroy(c, instance_id)
db.volume_destroy(c, v_ref['id'])
db.floating_ip_destroy(c, flo_addr)
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_id = '70a599e0-31e7-49b7-b260-868f441e862b'
image_id = "a440c04b-79fa-479c-bed1-0b816eaec379"
# 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_id)
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_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": "in-use",
"host": "dummy",
},
)
try:
# start test
self.assertRaises(
exception.ImageNotFound, self.volume.copy_volume_to_image, self.context, volume_id, image_id
)
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_live_migration_raises_exception(self):
"""Confirms recover method is called when exceptions are raised."""
# Skip if non-libvirt environment
if not self.lazy_load_library_exists():
return
# Preparing data
self.compute = utils.import_object(FLAGS.compute_manager)
instance_dict = {'host': 'fake', 'state': power_state.RUNNING,
'state_description': 'running'}
instance_ref = db.instance_create(self.context, self.test_instance)
instance_ref = db.instance_update(self.context, instance_ref['id'],
instance_dict)
vol_dict = {'status': 'migrating', 'size': 1}
volume_ref = db.volume_create(self.context, vol_dict)
db.volume_attached(self.context, volume_ref['id'], instance_ref['id'],
'/dev/fake')
# Preparing mocks
vdmock = self.mox.CreateMock(libvirt.virDomain)
self.mox.StubOutWithMock(vdmock, "migrateToURI")
vdmock.migrateToURI(FLAGS.live_migration_uri % 'dest',
mox.IgnoreArg(),
None, FLAGS.live_migration_bandwidth).\
AndRaise(libvirt.libvirtError('ERR'))
def fake_lookup(instance_name):
if instance_name == instance_ref.name:
return vdmock
self.create_fake_libvirt_mock(lookupByName=fake_lookup)
# Start test
self.mox.ReplayAll()
conn = libvirt_conn.LibvirtConnection(False)
self.assertRaises(libvirt.libvirtError,
conn._live_migration,
self.context, instance_ref, 'dest', '',
self.compute.recover_live_migration)
instance_ref = db.instance_get(self.context, instance_ref['id'])
self.assertTrue(instance_ref['state_description'] == 'running')
self.assertTrue(instance_ref['state'] == power_state.RUNNING)
volume_ref = db.volume_get(self.context, volume_ref['id'])
self.assertTrue(volume_ref['status'] == 'in-use')
db.volume_destroy(self.context, volume_ref['id'])
db.instance_destroy(self.context, instance_ref['id'])
def _attach_volume(self):
"""Attach volumes to an instance. """
volume_id_list = []
for index in xrange(3):
vol = {}
vol['size'] = 0
vol_ref = db.volume_create(self.context, vol)
self.volume.create_volume(self.context, vol_ref['id'])
vol_ref = db.volume_get(self.context, vol_ref['id'])
# each volume has a different mountpoint
mountpoint = "/dev/sd" + chr((ord('b') + index))
db.volume_attached(self.context, vol_ref['id'], self.instance_uuid,
mountpoint)
volume_id_list.append(vol_ref['id'])
return volume_id_list
def test_force_delete(self):
# admin context
ctx = context.RequestContext('admin', 'fake', is_admin=True)
ctx.elevated() # add roles
# current status is creating
volume = db.volume_create(ctx, {'status': 'creating'})
req = webob.Request.blank('/v1/fake/volumes/%s/action' % volume['id'])
req.method = 'POST'
req.headers['content-type'] = 'application/json'
req.body = jsonutils.dumps({'os-force_delete': {}})
# attach admin context to request
req.environ['nova.context'] = ctx
resp = req.get_response(app())
# request is accepted
self.assertEquals(resp.status_int, 202)
# volume is deleted
self.assertRaises(exception.NotFound, db.volume_get, ctx, volume['id'])
def test_reset_status_as_non_admin(self):
# current status is 'error'
volume = db.volume_create(context.get_admin_context(),
{'status': 'error'})
req = webob.Request.blank('/v1/fake/volumes/%s/action' % volume['id'])
req.method = 'POST'
req.headers['content-type'] = 'application/json'
# request changing status to available
req.body = jsonutils.dumps({'os-reset_status': {'status':
'available'}})
# non-admin context
req.environ['nova.context'] = context.RequestContext('fake', 'fake')
resp = req.get_response(app())
# request is not authorized
self.assertEquals(resp.status_int, 403)
volume = db.volume_get(context.get_admin_context(), volume['id'])
# status is still 'error'
self.assertEquals(volume['status'], 'error')
def test_invalid_status_for_volume(self):
# admin context
ctx = context.RequestContext('admin', 'fake', is_admin=True)
ctx.elevated() # add roles
# current status is available
volume = db.volume_create(ctx, {'status': 'available'})
req = webob.Request.blank('/v1/fake/volumes/%s/action' % volume['id'])
req.method = 'POST'
req.headers['content-type'] = 'application/json'
# 'invalid' is not a valid status
req.body = jsonutils.dumps({'os-reset_status': {'status': 'invalid'}})
# attach admin context to request
req.environ['nova.context'] = ctx
resp = req.get_response(app())
# bad request
self.assertEquals(resp.status_int, 400)
volume = db.volume_get(ctx, volume['id'])
# status is still 'available'
self.assertEquals(volume['status'], 'available')
def test_live_migration_src_check_volume_node_not_alive(self):
"""Raise exception when volume node is not alive."""
instance_id = self._create_instance()
i_ref = db.instance_get(self.context, instance_id)
dic = {'instance_id': instance_id, 'size': 1}
v_ref = db.volume_create(self.context, {'instance_id': instance_id,
'size': 1})
t1 = datetime.datetime.utcnow() - datetime.timedelta(1)
dic = {'created_at': t1, 'updated_at': t1, 'binary': 'nova-volume',
'topic': 'volume', 'report_count': 0}
s_ref = db.service_create(self.context, dic)
try:
self.scheduler.driver.schedule_live_migration(self.context,
instance_id,
i_ref['host'])
except exception.Invalid, e:
c = (e.message.find('volume node is not alive') >= 0)
def test_reset_status_as_admin(self):
# admin context
ctx = context.RequestContext('admin', 'fake', is_admin=True)
ctx.elevated() # add roles
# current status is available
volume = db.volume_create(ctx, {'status': 'available'})
req = webob.Request.blank('/v1/fake/volumes/%s/action' % volume['id'])
req.method = 'POST'
req.headers['content-type'] = 'application/json'
# request status of 'error'
req.body = jsonutils.dumps({'os-reset_status': {'status': 'error'}})
# attach admin context to request
req.environ['nova.context'] = ctx
resp = req.get_response(app())
# request is accepted
self.assertEquals(resp.status_int, 202)
volume = db.volume_get(ctx, volume['id'])
# status changed to 'error'
self.assertEquals(volume['status'], 'error')
def test_scheduler_live_migration_with_volume(self):
"""scheduler_live_migration() works correctly as expected.
Also, checks instance state is changed from 'running' -> 'migrating'.
"""
instance_id = self._create_instance()
i_ref = db.instance_get(self.context, instance_id)
dic = {'instance_id': instance_id, 'size': 1}
v_ref = db.volume_create(self.context, dic)
# cannot check 2nd argument b/c the addresses of instance object
# is different.
driver_i = self.scheduler.driver
nocare = mox.IgnoreArg()
self.mox.StubOutWithMock(driver_i, '_live_migration_src_check')
self.mox.StubOutWithMock(driver_i, '_live_migration_dest_check')
self.mox.StubOutWithMock(driver_i, '_live_migration_common_check')
driver_i._live_migration_src_check(nocare, nocare)
driver_i._live_migration_dest_check(nocare, nocare, i_ref['host'])
driver_i._live_migration_common_check(nocare, nocare, i_ref['host'])
self.mox.StubOutWithMock(rpc, 'cast', use_mock_anything=True)
kwargs = {'instance_id': instance_id, 'dest': i_ref['host']}
rpc.cast(self.context,
db.queue_get_for(nocare, FLAGS.compute_topic, i_ref['host']),
{
"method": 'live_migration',
"args": kwargs
})
self.mox.ReplayAll()
self.scheduler.live_migration(self.context,
FLAGS.compute_topic,
instance_id=instance_id,
dest=i_ref['host'])
i_ref = db.instance_get(self.context, instance_id)
self.assertTrue(i_ref['state_description'] == 'migrating')
db.instance_destroy(self.context, instance_id)
db.volume_destroy(self.context, v_ref['id'])
def _attach_volume(self):
"""Attach volumes to an instance. This function also sets
a fake log message."""
volume_id_list = []
for index in xrange(3):
vol = {}
vol['size'] = 0
volume_id = db.volume_create(self.context, vol)['id']
self.volume.create_volume(self.context, volume_id)
# each volume has a different mountpoint
mountpoint = "/dev/sd" + chr((ord('b') + index))
db.volume_attached(self.context, volume_id, self.instance_id,
mountpoint)
(shelf_id,
blade_id) = db.volume_get_shelf_and_blade(self.context, volume_id)
self.output += "%s %s eth0 /dev/nova-volumes/vol-foo auto run\n" \
% (shelf_id, blade_id)
volume_id_list.append(volume_id)
return volume_id_list
def test_invalid_status_for_snapshot(self):
# admin context
ctx = context.RequestContext('admin', 'fake', is_admin=True)
ctx.elevated() # add roles
# snapshot in 'available'
volume = db.volume_create(ctx, {})
snapshot = db.snapshot_create(ctx, {'status': 'available',
'volume_id': volume['id']})
req = webob.Request.blank('/v1/fake/snapshots/%s/action' %
snapshot['id'])
req.method = 'POST'
req.headers['content-type'] = 'application/json'
# 'attaching' is not a valid status for snapshots
req.body = jsonutils.dumps({'os-reset_status': {'status':
'attaching'}})
# attach admin context to request
req.environ['nova.context'] = ctx
resp = req.get_response(app())
# request is accepted
print resp
self.assertEquals(resp.status_int, 400)
snapshot = db.snapshot_get(ctx, snapshot['id'])
# status is still 'available'
self.assertEquals(snapshot['status'], 'available')
def _create_volume(self):
"""Create a test volume"""
vol = {}
vol['size'] = 1
vol['availability_zone'] = 'test'
return db.volume_create(self.context, vol)['id']