def test_lvm_logical_volume_pv_free_linear(self):
pv = StorageDevice("pv1",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("1025 MiB"))
pv2 = StorageDevice("pv2",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("513 MiB"))
vg = LVMVolumeGroupDevice("testvg", parents=[pv, pv2])
pv_spec = LVPVSpec(pv, Size("256 MiB"))
pv_spec2 = LVPVSpec(pv2, Size("256 MiB"))
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
pvs=[pv_spec, pv_spec2])
self.assertEqual(lv.seg_type, "linear")
self.assertEqual(pv.format.free, Size("768 MiB"))
self.assertEqual(pv2.format.free, Size("256 MiB"))
def test_lvm_logical_volume_insuf_seg_type(self):
# pylint: disable=unused-variable
pv = StorageDevice("pv1",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("1025 MiB"))
pv2 = StorageDevice("pv2",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("513 MiB"))
vg = LVMVolumeGroupDevice("testvg", parents=[pv, pv2])
# pvs have to be specified for non-linear LVs
with self.assertRaises(ValueError):
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
seg_type="raid1")
with self.assertRaises(ValueError):
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
seg_type="striped")
# no or complete specification has to be given for linear LVs
with self.assertRaises(ValueError):
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
pvs=[pv])
with self.assertRaises(ValueError):
pv_spec = LVPVSpec(pv, Size("256 MiB"))
pv_spec2 = LVPVSpec(pv2, Size("250 MiB"))
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
pvs=[pv_spec, pv_spec2])
def test_lvm_logical_volume_pv_free_cached(self):
pv = StorageDevice("pv1",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("1025 MiB"))
pv2 = StorageDevice("pv2",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("513 MiB"))
vg = LVMVolumeGroupDevice("testvg", parents=[pv, pv2])
pv_spec = LVPVSpec(pv, Size("256 MiB"))
pv_spec2 = LVPVSpec(pv2, Size("256 MiB"))
cache_req = LVMCacheRequest(Size("512 MiB"), [pv], "writethrough")
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("512 MiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
cache_request=cache_req,
pvs=[pv_spec, pv_spec2])
self.assertEqual(lv.seg_type, "linear")
# 1024 MiB (free) - 256 MiB (LV part) - 504 MiB (cache shrank for pmspare space)
self.assertEqual(pv.format.free, Size("264 MiB"))
self.assertEqual(pv2.format.free, Size("256 MiB"))
def test_lvm_logical_volume_with_pvs_init(self):
pv = StorageDevice("pv1",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("1025 MiB"))
pv2 = StorageDevice("pv2",
fmt=blivet.formats.get_format("lvmpv"),
size=Size("512 MiB"))
vg = LVMVolumeGroupDevice("testvg", parents=[pv, pv2])
pv_spec = LVPVSpec(pv, Size("1 GiB"))
lv = LVMLogicalVolumeDevice("testlv",
parents=[vg],
size=Size("1 GiB"),
fmt=blivet.formats.get_format("xfs"),
exists=False,
pvs=[pv_spec])
self.assertEqual([spec.pv for spec in lv._pv_specs], [pv])
