def test_multi_hdd_device_is_large_enough(self, stub_vgs, fakedevice,
factory, conf_ceph):
conf_ceph(get_safe=lambda *a: None)
args = factory(filtered_devices=[],
osds_per_device=2,
block_db_size=None,
block_wal_size=None,
osd_ids=[])
ssd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=False,
sys_api=dict(size=60073740000))
hdd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=True,
sys_api=dict(size=60073740000))
osd = bluestore.MixedType(args, [hdd], [], [ssd]).computed['osds'][0]
assert osd['data']['percentage'] == 50
assert osd['data']['human_readable_size'] == '27.97 GB'
assert osd['data']['path'] == '/dev/sda'
# a new vg will be created
assert osd['block.wal']['path'] == 'vg: vg/lv'
# as large as possible
assert osd['block.wal']['percentage'] == 50
def test_filter_all_data_devs(self, fakedevice, factory, monkeypatch):
# in this scenario the user passed a already used device to be used for
# data and an unused device to be used as db device.
db_dev = fakedevice(used_by_ceph=False, is_lvm_member=False, rotational=False, sys_api=dict(size=6073740000))
data_dev = fakedevice(used_by_ceph=True, is_lvm_member=False, rotational=True, sys_api=dict(size=6073740000))
args = factory(filtered_devices=[data_dev], osds_per_device=1,
block_db_size=None, block_wal_size=None,
osd_ids=[])
monkeypatch.setattr(lvm, 'VolumeGroup', lambda x, **kw: [])
bluestore.MixedType(args, [], [db_dev], [])
def test_multi_hdd_device_is_not_large_enough(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: None)
args = factory(osds_per_device=2, block_db_size=None)
ssd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=60737400000))
hdd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
devices = [ssd, hdd]
with pytest.raises(RuntimeError) as error:
bluestore.MixedType(devices, args)
expected = 'Unable to use device 5.66 GB /dev/sda, LVs would be smaller than 5GB'
assert expected in str(error)
def test_ssd_device_is_not_large_enough(self, stub_vgs, fakedevice, factory, conf_ceph):
# 7GB block.db in ceph.conf
conf_ceph(get_safe=lambda *a: 7747483640)
args = factory(osds_per_device=1, block_db_size=None)
ssd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=6073740000))
hdd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
devices = [ssd, hdd]
with pytest.raises(RuntimeError) as error:
bluestore.MixedType(devices, args).computed['osds'][0]
expected = 'Not enough space in fast devices (5.66 GB) to create 1 x 7.22 GB block.db LV'
assert expected in str(error)
def test_wal_device_is_not_large_enough(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: None)
args = factory(filtered_devices=[], osds_per_device=2,
block_db_size=None, block_wal_size=None,
osd_ids=[])
ssd = fakedevice(used_by_ceph=False, is_lvm_member=False, rotational=False, sys_api=dict(size=1610612736))
hdd = fakedevice(used_by_ceph=False, is_lvm_member=False, rotational=True, sys_api=dict(size=60073740000))
with pytest.raises(RuntimeError) as error:
bluestore.MixedType(args, [hdd], [], [ssd]).computed['osds'][0]
expected = 'Unable to use device 1.50 GB /dev/sda, LVs would be smaller than 1GB'
assert expected in str(error.value), str(error)
def test_hdd_device_is_large_enough(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: None)
args = factory(osds_per_device=1, block_db_size=None)
ssd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=6073740000))
hdd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
devices = [ssd, hdd]
osd = bluestore.MixedType(devices, args).computed['osds'][0]
assert osd['data']['percentage'] == 100
assert osd['data']['human_readable_size'] == '5.66 GB'
assert osd['data']['path'] == '/dev/sda'
# a new vg will be created
assert osd['block.db']['path'] == 'vg: vg/lv'
# as large as possible
assert osd['block.db']['percentage'] == 100
def test_filter_all_data_devs(self, fakedevice, factory):
# in this scenario the user passed a already used device to be used for
# data and an unused device to be used as db device.
db_dev = fakedevice(used_by_ceph=False,
is_lvm_member=False,
sys_api=dict(rotational='0', size=6073740000))
data_dev = fakedevice(used_by_ceph=True,
is_lvm_member=False,
sys_api=dict(rotational='1', size=6073740000))
args = factory(filtered_devices=[data_dev],
osds_per_device=1,
block_db_size=None,
block_wal_size=None,
osd_ids=[])
bluestore.MixedType(args, [], [db_dev], [])
def test_multi_hdd_device_is_not_large_enough(self, stub_vgs, fakedevice,
factory, conf_ceph):
# 3GB block.db in ceph.conf
conf_ceph(get_safe=lambda *a: 3147483640)
args = factory(filtered_devices=[],
osds_per_device=2,
block_db_size=None)
ssd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=False,
sys_api=dict(size=60737400000))
hdd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=True,
sys_api=dict(size=6073740000))
devices = [ssd, hdd]
with pytest.raises(RuntimeError) as error:
bluestore.MixedType(devices, args)
expected = 'Unable to use device 5.66 GB /dev/sda, LVs would be smaller than 5GB'
assert expected in str(error.value)
def test_hdd_device_is_large_enough(self, stub_vgs, fakedevice, factory,
conf_ceph):
# 3GB block.db in ceph.conf
conf_ceph(get_safe=lambda *a: 3147483640)
args = factory(filtered_devices=[],
osds_per_device=1,
block_db_size=None)
ssd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=False,
sys_api=dict(size=6073740000))
hdd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=True,
sys_api=dict(size=6073740000))
devices = [ssd, hdd]
osd = bluestore.MixedType(devices, args).computed['osds'][0]
assert osd['data']['percentage'] == 100
assert osd['data']['human_readable_size'] == '5.66 GB'
assert osd['data']['path'] == '/dev/sda'
# a new vg will be created
assert osd['block.db']['path'] == 'vg: vg/lv'
assert osd['block.db']['percentage'] == 100
