def delete_disks(self, context, instance, storage_elems):
"""Removes the disks specified by the mappings.
:param context: nova context for operation
:param instance: instance to delete the disk for.
:param storage_elems: A list of the storage elements (LU
ElementWrappers) that are to be deleted. Derived
from the return value from disconnect_image_disk.
"""
tsk_stg.rm_ssp_storage(self._ssp, storage_elems)
def delete_disks(self, context, instance, storage_elems):
"""Removes the disks specified by the mappings.
:param context: nova context for operation
:param instance: instance to delete the disk for.
:param storage_elems: A list of the storage elements (LU
ElementWrappers) that are to be deleted. Derived
from the return value from disconnect_image_disk.
"""
tsk_stg.rm_ssp_storage(self._ssp, storage_elems)
def test_rm_ssp_storage(self):
lu_names = set(lu.name for lu in self.ssp.logical_units)
# This one should remove the disk LU but *not* the image LU
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu3],
del_unused_images=False)
lu_names.remove(self.dsk_lu3.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
# This one should remove *both* the disk LU and the image LU
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu4])
lu_names.remove(self.dsk_lu4.name)
lu_names.remove(self.img_lu2.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
# This one should remove the disk LU but *not* the image LU, even
# though it's now unused.
self.assertTrue(ts._image_lu_in_use(self.ssp, self.img_lu5))
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu6],
del_unused_images=False)
lu_names.remove(self.dsk_lu6.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
self.assertFalse(ts._image_lu_in_use(self.ssp, self.img_lu5))
# No update if no change
self.adpt.update_by_path = lambda *a, **k: self.fail()
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu4])
def test_rm_ssp_storage(self):
lu_names = set(lu.name for lu in self.ssp.logical_units)
# This one should remove the disk LU but *not* the image LU
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu3],
del_unused_images=False)
lu_names.remove(self.dsk_lu3.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
# This one should remove *both* the disk LU and the image LU
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu4])
lu_names.remove(self.dsk_lu4.name)
lu_names.remove(self.img_lu2.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
# This one should remove the disk LU but *not* the image LU, even
# though it's now unused.
self.assertTrue(ts._image_lu_in_use(self.ssp, self.img_lu5))
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu6],
del_unused_images=False)
lu_names.remove(self.dsk_lu6.name)
self.assertEqual(lu_names, set(lu.name for lu in ssp.logical_units))
self.assertFalse(ts._image_lu_in_use(self.ssp, self.img_lu5))
# No update if no change
self.adpt.update_by_path = lambda *a, **k: self.fail()
ssp = ts.rm_ssp_storage(self.ssp, [self.dsk_lu4])
def test_rm_lu_by_lu(self):
lu = self.ssp.logical_units[2]
ssp = ts.rm_ssp_storage(self.ssp, [lu])
self.assertNotIn(lu, ssp.logical_units)
self.assertEqual(ssp.etag, 'after')
self.assertEqual(len(ssp.logical_units), 4)
def test_rm_lu_by_lu(self):
lu = self.ssp.logical_units[2]
ssp = ts.rm_ssp_storage(self.ssp, [lu])
self.assertNotIn(lu, ssp.logical_units)
self.assertEqual(ssp.etag, 'after')
self.assertEqual(len(ssp.logical_units), 4)