def test_ssd_is_lvm_member_doesnt_fail(self, volumes, stub_vgs, fakedevice,
factory, conf_ceph):
# fast PV, because ssd is an LVM member
CephPV = lvm.PVolume(vg_name='fast', pv_name='/dev/sda', pv_tags='')
ssd = fakedevice(used_by_ceph=False,
is_lvm_member=True,
rotational=False,
sys_api=dict(size=6073740000),
pvs_api=[CephPV])
hdd = fakedevice(used_by_ceph=False,
is_lvm_member=False,
rotational=True,
sys_api=dict(size=6073740000))
# when get_api_vgs() gets called, it will return this one VG
stub_vgs([
dict(vg_free='7g',
vg_name='fast',
lv_name='foo',
lv_path='/dev/vg/foo',
lv_tags="ceph.type=data")
])
conf_ceph(get_safe=lambda *a: '5120')
args = factory(filtered_devices=[],
osds_per_device=1,
journal_size=None)
devices = [ssd, hdd]
result = filestore.MixedType(devices, args).computed['osds'][0]
assert result['journal']['path'] == 'vg: fast'
assert result['journal']['percentage'] == 71
assert result['journal']['human_readable_size'] == '5.00 GB'
def test_no_common_vg(self, volumes, stub_vgs, fakedevice, factory, conf_ceph):
# fast PV, because ssd is an LVM member
CephPV1 = lvm.PVolume(vg_name='fast1', pv_name='/dev/sda', pv_tags='')
CephPV2 = lvm.PVolume(vg_name='fast2', pv_name='/dev/sdb', pv_tags='')
ssd1 = fakedevice(
is_lvm_member=True, sys_api=dict(rotational='0', size=6073740000), pvs_api=[CephPV1]
)
ssd2 = fakedevice(
is_lvm_member=True, sys_api=dict(rotational='0', size=6073740000), pvs_api=[CephPV2]
)
hdd = fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
# when get_api_vgs() gets called, it will return this one VG
stub_vgs([
dict(
vg_free='7g', vg_name='fast1', lv_name='foo',
lv_path='/dev/vg/fast1', lv_tags="ceph.type=data"
),
dict(
vg_free='7g', vg_name='fast2', lv_name='foo',
lv_path='/dev/vg/fast2', lv_tags="ceph.type=data"
)
])
conf_ceph(get_safe=lambda *a: '5120')
args = factory(osds_per_device=1)
devices = [ssd1, ssd2, hdd]
with pytest.raises(RuntimeError) as error:
filestore.MixedType(devices, args)
assert 'Could not find a common VG between devices' in str(error)
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, 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,
journal_size=None, osd_ids=[])
filestore.MixedType(args, [], [db_dev])
def test_hdd_device_is_lvm_member_fails(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: '5120')
args = factory(osds_per_device=1)
devices = [
fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=6073740000)),
fakedevice(is_lvm_member=True, sys_api=dict(rotational='1', size=6073740000))
]
with pytest.raises(RuntimeError) as error:
filestore.MixedType(devices, args)
assert 'Unable to use device, already a member of LVM' in str(error)
def test_ssd_device_fails_multiple_osds(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: '15120')
args = factory(osds_per_device=2)
devices = [
fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=16073740000)),
fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=16073740000))
]
with pytest.raises(RuntimeError) as error:
filestore.MixedType(devices, args)
msg = "Not enough space in fast devices (14.97 GB) to create 2 x 14.77 GB journal LV"
assert msg in str(error)
def test_ssd_device_is_not_large_enough(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: '7120')
args = factory(osds_per_device=1)
devices = [
fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=6073740000)),
fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
]
with pytest.raises(RuntimeError) as error:
filestore.MixedType(devices, args)
msg = "Not enough space in fast devices (5.66 GB) to create 1 x 6.95 GB journal LV"
assert msg in str(error)
def test_minimum_size_is_not_met(self, stub_vgs, fakedevice, factory, conf_ceph):
conf_ceph(get_safe=lambda *a: '120')
args = factory(osds_per_device=1)
devices = [
fakedevice(is_lvm_member=False, sys_api=dict(rotational='0', size=6073740000)),
fakedevice(is_lvm_member=False, sys_api=dict(rotational='1', size=6073740000))
]
with pytest.raises(RuntimeError) as error:
filestore.MixedType(devices, args)
msg = "journal sizes must be larger than 2GB, detected: 120.00 MB"
assert msg in str(error)
