def test_get_physical_fast_allocs_length_existing(self, num_devs, slots,
occupied_prior, factory,
conf_ceph_stub,
mock_device_generator):
conf_ceph_stub('[global]\nfsid=asdf-lkjh')
occupied_prior = min(occupied_prior, slots)
devs = [mock_device_generator() for _ in range(num_devs)]
already_assigned = 0
while already_assigned < occupied_prior:
dev_i = random.randint(0, num_devs - 1)
dev = devs[dev_i]
if len(dev.lvs) < occupied_prior:
dev.lvs.append('foo')
dev.path = '/dev/bar'
already_assigned = sum([len(d.lvs) for d in devs])
args = factory(block_db_slots=None, get_block_db_size=None)
expected_num_osds = max(len(devs) * slots - occupied_prior, 0)
fast = batch.get_physical_fast_allocs(devs, 'block_db', slots,
expected_num_osds, args)
assert len(fast) == expected_num_osds
expected_assignment_on_used_devices = sum(
[slots - len(d.lvs) for d in devs if len(d.lvs) > 0])
assert len([f for f in fast if f[0] == '/dev/bar'
]) == expected_assignment_on_used_devices
assert len([
f for f in fast if f[0] != '/dev/bar'
]) == expected_num_osds - expected_assignment_on_used_devices
def test_get_physical_fast_allocs_length(self, factory, conf_ceph_stub,
mock_devices_available):
conf_ceph_stub('[global]\nfsid=asdf-lkjh')
args = factory(block_db_slots=None, get_block_db_size=None)
fast = batch.get_physical_fast_allocs(mock_devices_available,
'block_db', 2, 2, args)
assert len(fast) == 2
def test_get_physical_fast_allocs_abs_size(self, factory, conf_ceph_stub,
mock_devices_available):
conf_ceph_stub('[global]\nfsid=asdf-lkjh')
args = factory(block_db_slots=None, get_block_db_size=None)
fasts = batch.get_physical_fast_allocs(mock_devices_available,
'block_db', 2, 2, args)
for fast, dev in zip(fasts, mock_devices_available):
assert fast[2] == int(dev.vg_size[0] / 2)