def test_meta_size_enough_free_space(monkeypatch):
monkeypatch.setattr(
lvm, 'getVG', lambda x: fake_vg(extent_size=str(128 * constants.MEGAB),
extent_count='77',
free=str(512 * constants.MEGAB)))
meta_size = blockSD.BlockStorageDomain.metaSize('sd-uuid')
assert meta_size == 512
def test_meta_size_max_val(monkeypatch):
monkeypatch.setattr(
lvm, 'getVG', lambda x: fake_vg(extent_size=(128 * constants.MEGAB),
extent_count='1048577',
free=str(1024 * constants.MEGAB)))
meta_size = blockSD.BlockStorageDomain.metaSize('sd-uuid')
assert meta_size == 513
def test_meta_size_vg_too_small(monkeypatch):
# Creating a VG with size=10GB and 512MB - 1 byte of free space
# Should raise an exception - VG too small
monkeypatch.setattr(
lvm, 'getVG', lambda x: fake_vg(extent_size=(128 * constants.MEGAB),
extent_count='77',
free=str((512 - 1) * constants.MEGAB)))
with pytest.raises(se.VolumeGroupSizeError):
blockSD.BlockStorageDomain.metaSize('sd-uuid')
def test_threshold_bad(self):
vg = fake_vg(vg_mda_size=self.MIN_MD_SIZE,
vg_mda_free=self.MIN_MD_FREE)
assert not blockSD.metadataValidity(vg)['mdathreshold']
def test_valid_ok(self):
vg = fake_vg(vg_mda_size=self.MIN_MD_SIZE,
vg_mda_free=self.MIN_MD_FREE)
assert blockSD.metadataValidity(vg)['mdavalid']
def test_threshold_ok(self):
vg = fake_vg(vg_mda_size=self.MIN_MD_SIZE,
vg_mda_free=self.MIN_MD_FREE + 1)
self.assertEqual(True, blockSD.metadataValidity(vg)['mdathreshold'])
def test_valid_bad(self):
vg = fake_vg(vg_mda_size=self.MIN_MD_SIZE - 1,
vg_mda_free=self.MIN_MD_FREE)
self.assertEqual(False, blockSD.metadataValidity(vg)['mdavalid'])
def test_threshold_bad(self):
vg = fake_vg(
vg_mda_size=self.MIN_MD_SIZE, vg_mda_free=self.MIN_MD_FREE)
assert not blockSD.metadataValidity(vg)['mdathreshold']
def test_valid_ok(self):
vg = fake_vg(
vg_mda_size=self.MIN_MD_SIZE, vg_mda_free=self.MIN_MD_FREE)
assert blockSD.metadataValidity(vg)['mdavalid']