def test_find_the_correct_one(self, volume_groups):
volume1 = api.VolumeGroup(vg_name='volume1', lv_tags='')
volume2 = api.VolumeGroup(vg_name='volume2', lv_tags='')
volume_groups.append(volume1)
volume_groups.append(volume2)
assert volume_groups.get(vg_name='volume1') == volume1
def setup(self):
self.vg = api.VolumeGroup(vg_name='ceph',
vg_extent_size=1073741824,
vg_free_count=1024)
def test_single_vg_is_matched(self, volume_groups, monkeypatch):
FooVG = api.VolumeGroup(vg_name='foo')
volume_groups.append(FooVG)
monkeypatch.setattr(api, 'VolumeGroups', lambda: volume_groups)
assert api.get_vg(vg_name='foo') == FooVG
def setup(self):
self.vg = api.VolumeGroup(vg_name='ceph',
vg_free='1024g',
vg_free_count='261129')
def test_suffixes_the_size_arg(self, monkeypatch):
monkeypatch.setattr('ceph_volume.api.lvm.create_lv', lambda *a, **kw:
(a, kw))
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
lvs = api.create_lvs(vg, parts=4)
assert lvs[0][1]['size'] == '256g'
def test_error_message(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free='F')
with pytest.raises(RuntimeError) as error:
vg.free
assert "Unable to convert vg size to integer: 'F'" in str(error)
def test_integer_gets_produced_whitespace(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free=' 100g ')
assert vg.free == 100
def test_unable_to_allocate_past_free_size(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
with pytest.raises(exceptions.SizeAllocationError):
vg.sizing(size=2048)
def setup(self):
self.foo_volume = api.Volume(lv_name='foo', lv_path='/path', vg_name='foo_group', lv_tags='')
self.foo_group = api.VolumeGroup(vg_name='foo_group',
vg_extent_size="4194304",
vg_extent_count="100",
vg_free_count="100")
def test_half_size_produces_round_sizes(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
result = vg.sizing(size=512)
assert result['sizes'] == 512
assert result['percentages'] == 50
assert result['parts'] == 2
def test_bit_less_size_rounds_down(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
result = vg.sizing(size=129)
assert result['sizes'] == 146
assert result['percentages'] == 14
assert result['parts'] == 7
def test_two_parts_produces_half_size(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
result = vg.sizing(parts=2)
assert result['sizes'] == 512
def test_two_parts_produces_50_percent(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
result = vg.sizing(parts=2)
assert result['percentages'] == 50
def test_parts_and_size_errors(self):
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
with pytest.raises(ValueError) as error:
vg.sizing(parts=4, size=10)
assert "Cannot process sizing" in str(error)
def test_no_g_in_output(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free='')
with pytest.raises(RuntimeError):
vg.free
def test_volume_has_multiple_matches(self, volume_groups):
volume1 = volume2 = api.VolumeGroup(vg_name='foo', lv_path='/dev/vg/lv', lv_tags='')
volume_groups.append(volume1)
volume_groups.append(volume2)
with pytest.raises(exceptions.MultipleVGsError):
volume_groups.get(vg_name='foo')
def test_size_without_g(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free='1')
with pytest.raises(RuntimeError):
vg.free
def test_filter_by_tag_does_not_match_one(self, volume_groups):
vg_tags = "ceph.group=dmcache,ceph.disk_type=ssd"
osd = api.VolumeGroup(vg_name='volume1', vg_path='/dev/vg/lv', vg_tags=vg_tags)
volume_groups.append(osd)
volume_groups = volume_groups.filter(vg_tags={'ceph.group': 'data', 'ceph.disk_type': 'ssd'})
assert volume_groups == []
def test_invalid_float(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free=' g')
with pytest.raises(RuntimeError) as error:
vg.free
assert "Unable to convert to integer: ' '" in str(error.value)
def test_volume_group_no_empty_name(self):
with pytest.raises(ValueError):
api.VolumeGroup(vg_name='')
def test_integer_gets_rounded_down(self):
vg = api.VolumeGroup(vg_name='nosize', vg_free='100.99g')
assert vg.free == 100
def test_integer_gets_produced(self):
vg = api.VolumeGroup(vg_name='nosize',
vg_free_count=100,
vg_extent_size=4194304)
assert vg.free == 100 * 4194304
def setup(self):
self.foo_volume = api.VolumeGroup(vg_name='foo', lv_tags='')
def test_creates_correct_lv_number_from_parts(self, monkeypatch):
monkeypatch.setattr('ceph_volume.api.lvm.create_lv', lambda *a, **kw:
(a, kw))
vg = api.VolumeGroup(vg_name='ceph', vg_free='1024g')
lvs = api.create_lvs(vg, parts=4)
assert len(lvs) == 4