def test_run_attach_detach_volume(self):
"""Make sure volume can be attached and detached from instance."""
inst = {}
inst['image_id'] = 1
inst['reservation_id'] = 'r-fakeres'
inst['launch_time'] = '10'
inst['user_id'] = 'fake'
inst['project_id'] = 'fake'
inst['instance_type_id'] = '2' # m1.tiny
inst['ami_launch_index'] = 0
instance_id = db.instance_create(self.context, inst)['id']
mountpoint = "/dev/sdf"
volume_id = self._create_volume()
self.volume.create_volume(self.context, volume_id)
if FLAGS.fake_tests:
db.volume_attached(self.context, volume_id, instance_id,
mountpoint)
else:
self.compute.attach_volume(self.context,
instance_id,
volume_id,
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)
instance_ref = db.volume_get_instance(self.context, volume_id)
self.assertEqual(instance_ref['id'], instance_id)
self.assertRaises(exception.Error,
self.volume.delete_volume,
self.context,
volume_id)
if FLAGS.fake_tests:
db.volume_detached(self.context, volume_id)
else:
self.compute.detach_volume(self.context,
instance_id,
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)
db.instance_destroy(self.context, instance_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
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_id,
mountpoint)
volume_id_list.append(vol_ref['id'])
return volume_id_list
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
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_id,
mountpoint)
volume_id_list.append(vol_ref['id'])
return volume_id_list
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)
volume_id = self._create_volume()
self.volume.create_volume(self.context, volume_id)
db.volume_attached(self.context, volume_id, self.instance_id,
'/dev/sda1')
volume_api = volume.api.API()
self.assertRaises(exception.ApiError, volume_api.create_snapshot,
self.context, volume_id, 'fake_name',
'fake_description')
snapshot_ref = volume_api.create_snapshot_force(
self.context, volume_id, 'fake_name', 'fake_description')
db.snapshot_destroy(self.context, snapshot_ref['id'])
db.volume_destroy(self.context, volume_id)
def test_run_attach_detach_volume(self):
"""Make sure volume can be attached and detached from instance."""
inst = {}
inst['image_id'] = 1
inst['reservation_id'] = 'r-fakeres'
inst['launch_time'] = '10'
inst['user_id'] = 'fake'
inst['project_id'] = 'fake'
inst['instance_type_id'] = '2' # m1.tiny
inst['ami_launch_index'] = 0
instance_id = db.instance_create(self.context, inst)['id']
mountpoint = "/dev/sdf"
volume_id = self._create_volume()
self.volume.create_volume(self.context, volume_id)
if FLAGS.fake_tests:
db.volume_attached(self.context, volume_id, instance_id,
mountpoint)
else:
self.compute.attach_volume(self.context, instance_id, volume_id,
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)
instance_ref = db.volume_get_instance(self.context, volume_id)
self.assertEqual(instance_ref['id'], instance_id)
self.assertRaises(exception.Error, self.volume.delete_volume,
self.context, volume_id)
if FLAGS.fake_tests:
db.volume_detached(self.context, volume_id)
else:
self.compute.detach_volume(self.context, instance_id, 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)
db.instance_destroy(self.context, instance_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)
volume_id = self._create_volume()
self.volume.create_volume(self.context, volume_id)
db.volume_attached(self.context, volume_id, self.instance_id,
'/dev/sda1')
volume_api = volume.api.API()
self.assertRaises(exception.ApiError,
volume_api.create_snapshot,
self.context, volume_id,
'fake_name', 'fake_description')
snapshot_ref = volume_api.create_snapshot_force(self.context,
volume_id,
'fake_name',
'fake_description')
db.snapshot_destroy(self.context, snapshot_ref['id'])
db.volume_destroy(self.context, volume_id)
