def test_acquire(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path")
fd = fs.register()
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
res = fs.read_resource("path", 1048576)
self.assertTrue(res["acquired"], "resource is not acquired")
def fake_sanlock(monkeypatch):
fs = FakeSanlock()
monkeypatch.setattr(clusterlock, "sanlock", fs)
# FakeSanlock does not implement the depracated init_resource, so we will
# create the resource using write_resource, so we can test acquire and
# release.
fs.write_resource(LS_NAME, LEASE.name, [(LEASE.path, LEASE.offset)])
return fs
def test_write_read_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
info = fs.read_resource("path", 1048576)
expected = {"resource": "resource",
"lockspace": "lockspace",
"version": 0}
self.assertEqual(info, expected)
def test_add_lockspace_sync(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
ls = fs.spaces["lockspace"]
self.assertEqual(ls["host_id"], 1)
self.assertEqual(ls["path"], "path")
self.assertEqual(ls["offset"], 0)
self.assertEqual(ls["iotimeout"], 0)
self.assertTrue(ls["ready"].is_set(), "lockspace is not ready")
def test_write_read_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
info = fs.read_resource("path", 1048576)
expected = {
"resource": "resource",
"lockspace": "lockspace",
"version": 0
}
self.assertEqual(info, expected)
def test_inq_lockspace_acquiring_wait(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path", async=True)
t = concurrent.thread(fs.complete_async, args=("lockspace", ))
t.start()
try:
acquired = fs.inq_lockspace("lockspace", 1, "path", wait=True)
finally:
t.join()
self.assertTrue(acquired, "lockspace not acquired")
def test_release_not_acquired(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path")
fd = fs.register()
with self.assertRaises(fs.SanlockException) as e:
fs.release("lockspace", "resource", [("path", 1048576)], slkfd=fd)
self.assertEqual(e.exception.errno, errno.EPERM)
def test_write_resource_failure(self):
fs = FakeSanlock()
fs.errors["write_resource"] = ExpectedError
with self.assertRaises(ExpectedError):
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
def test_acquire_lockspace_adding(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path", async=True)
fd = fs.register()
with self.assertRaises(fs.SanlockException) as e:
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
self.assertEqual(e.exception.errno, errno.ENOSPC)
def test_write_resource_failure(self):
fs = FakeSanlock()
fs.errors["write_resource"] = ExpectedError
with self.assertRaises(ExpectedError):
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
class TestIndex(VdsmTestCase):
def test_format(self):
with make_volume() as vol:
self.assertEqual(vol.leases(), {})
def test_create_read_failure(self):
with make_leases() as path:
file = FailingReader(path)
with utils.closing(file):
with self.assertRaises(ReadError):
xlease.LeasesVolume("lockspace", file)
def test_lookup_missing(self):
with make_volume() as vol:
with self.assertRaises(xlease.NoSuchLease):
vol.lookup(make_uuid())
def test_lookup_stale(self):
record = xlease.Record(make_uuid(), xlease.RECORD_STALE)
with make_volume((42, record)) as vol:
leases = vol.leases()
self.assertEqual(leases[record.resource]["state"], "STALE")
with self.assertRaises(xlease.StaleLease):
vol.lookup(record.resource)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add(self):
with make_volume() as vol:
lease_id = make_uuid()
start_time = int(time.time())
lease = vol.add(lease_id)
self.assertEqual(lease.lockspace, vol.lockspace)
self.assertEqual(lease.resource, lease_id)
self.assertEqual(lease.path, vol.path)
self.assertTrue(start_time <= lease.modified <= start_time + 1)
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
self.assertEqual(res["lockspace"], lease.lockspace)
self.assertEqual(res["resource"], lease.resource)
def test_add_write_failure(self):
with make_volume() as base:
file = FailingWriter(base.path)
with utils.closing(file):
vol = xlease.LeasesVolume(base.lockspace, file)
with utils.closing(vol):
lease_id = make_uuid()
with self.assertRaises(WriteError):
vol.add(lease_id)
# Must succeed becuase writng to storage failed
self.assertNotIn(lease_id, vol.leases())
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_sanlock_failure(self):
with make_volume() as vol:
lease_id = make_uuid()
sanlock = xlease.sanlock
# Make sanlock fail to write a resource
sanlock.errors["write_resource"] = sanlock.SanlockException
with self.assertRaises(sanlock.SanlockException):
vol.add(lease_id)
# We should have a stale lease record
lease = vol.leases()[lease_id]
self.assertEqual(lease["state"], "STALE")
# There should be no lease on storage
with self.assertRaises(sanlock.SanlockException) as e:
sanlock.read_resource(vol.path, lease["offset"])
self.assertEqual(e.exception.errno, sanlock.SANLK_LEADER_MAGIC)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_leases(self):
with make_volume() as vol:
uuid = make_uuid()
lease_info = vol.add(uuid)
leases = vol.leases()
self.assertEqual(len(leases), 1)
self.assertEqual(leases[uuid]["offset"], xlease.LEASE_BASE)
self.assertEqual(leases[uuid]["state"], "USED")
self.assertEqual(leases[uuid]["modified"], lease_info.modified)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_exists(self):
with make_volume() as vol:
lease_id = make_uuid()
lease = vol.add(lease_id)
with self.assertRaises(xlease.LeaseExists):
vol.add(lease_id)
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
self.assertEqual(res["lockspace"], lease.lockspace)
self.assertEqual(res["resource"], lease.resource)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_lookup_exists(self):
with make_volume() as vol:
lease_id = make_uuid()
add_info = vol.add(lease_id)
lookup_info = vol.lookup(lease_id)
self.assertEqual(add_info, lookup_info)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_remove_exists(self):
with make_volume() as vol:
leases = [make_uuid() for i in range(3)]
for lease in leases:
vol.add(lease)
lease = vol.lookup(leases[1])
vol.remove(lease.resource)
self.assertNotIn(lease.resource, vol.leases())
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
# There is no sanlock api for removing a resource, so we mark a
# removed resource with empty (invalid) lockspace and lease id.
self.assertEqual(res["lockspace"], "")
self.assertEqual(res["resource"], "")
def test_remove_missing(self):
with make_volume() as vol:
lease_id = make_uuid()
with self.assertRaises(xlease.NoSuchLease):
vol.remove(lease_id)
def test_remove_write_failure(self):
record = xlease.Record(make_uuid(), xlease.RECORD_STALE)
with make_volume((42, record)) as base:
file = FailingWriter(base.path)
with utils.closing(file):
vol = xlease.LeasesVolume(base.lockspace, file)
with utils.closing(vol):
with self.assertRaises(WriteError):
vol.remove(record.resource)
# Must succeed becuase writng to storage failed
self.assertIn(record.resource, vol.leases())
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_remove_sanlock_failure(self):
with make_volume() as vol:
lease_id = make_uuid()
vol.add(lease_id)
sanlock = xlease.sanlock
# Make sanlock fail to remove a resource (currnently removing a
# resouce by writing invalid lockspace and resoruce name).
sanlock.errors["write_resource"] = sanlock.SanlockException
with self.assertRaises(sanlock.SanlockException):
vol.remove(lease_id)
# We should have a stale lease record
lease = vol.leases()[lease_id]
self.assertEqual(lease["state"], "STALE")
# There lease should still be on storage
res = sanlock.read_resource(vol.path, lease["offset"])
self.assertEqual(res["lockspace"], vol.lockspace)
self.assertEqual(res["resource"], lease_id)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_first_free_slot(self):
with make_volume() as vol:
uuids = [make_uuid() for i in range(4)]
for uuid in uuids[:3]:
vol.add(uuid)
vol.remove(uuids[1])
vol.add(uuids[3])
leases = vol.leases()
# The first lease in the first slot
self.assertEqual(leases[uuids[0]]["offset"], xlease.LEASE_BASE)
# The forth lease was added in the second slot after the second
# lease was removed.
self.assertEqual(leases[uuids[3]]["offset"],
xlease.LEASE_BASE + xlease.LEASE_SIZE)
# The third lease in the third slot
self.assertEqual(leases[uuids[2]]["offset"],
xlease.LEASE_BASE + xlease.LEASE_SIZE * 2)
@slowtest
def test_time_lookup(self):
setup = """
import os
from testlib import make_uuid
from vdsm import utils
from vdsm.storage import xlease
path = "%s"
lockspace = os.path.basename(os.path.dirname(path))
lease_id = make_uuid()
def bench():
file = xlease.DirectFile(path)
with utils.closing(file):
vol = xlease.LeasesVolume(lockspace, file)
with utils.closing(vol, log="test"):
try:
vol.lookup(lease_id)
except xlease.NoSuchLease:
pass
"""
with make_volume() as vol:
count = 1000
elapsed = timeit.timeit("bench()",
setup=setup % vol.path,
number=count)
print("%d lookups in %.6f seconds (%.6f seconds per lookup)" %
(count, elapsed, elapsed / count))
@slowtest
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_time_add(self):
setup = """
import os
from testlib import make_uuid
from vdsm import utils
from vdsm.storage import xlease
path = "%s"
lockspace = os.path.basename(os.path.dirname(path))
def bench():
lease_id = make_uuid()
file = xlease.DirectFile(path)
with utils.closing(file):
vol = xlease.LeasesVolume(lockspace, file)
with utils.closing(vol, log="test"):
vol.add(lease_id)
"""
with make_volume() as vol:
count = 100
elapsed = timeit.timeit("bench()",
setup=setup % vol.path,
number=count)
# Note: this does not include the time to create the real sanlock
# resource.
print("%d adds in %.6f seconds (%.6f seconds per add)" %
(count, elapsed, elapsed / count))
def test_inq_lockspace_released(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
fs.rem_lockspace("lockspace", 1, "path")
acquired = fs.inq_lockspace("lockspace", 1, "path")
self.assertFalse(acquired, "lockspace not released")
def test_register(self):
fs = FakeSanlock()
self.assertEqual(fs.register(), 42)
def test_add_lockspace_async(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path", async=True)
ls = fs.spaces["lockspace"]
self.assertEqual(ls["iotimeout"], 0)
self.assertFalse(ls["ready"].is_set(), "lockspace is ready")
def test_add_lockspace_options(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path", offset=42, iotimeout=10)
ls = fs.spaces["lockspace"]
self.assertEqual(ls["offset"], 42)
self.assertEqual(ls["iotimeout"], 10)
def test_acquire_an_acquired_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path")
fd = fs.register()
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
with self.assertRaises(fs.SanlockException) as e:
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
self.assertEqual(e.exception.errno, errno.EEXIST)
res = fs.read_resource("path", 1048576)
self.assertTrue(res["acquired"], "resource is not acquired")
def test_non_existing_resource(self):
fs = FakeSanlock()
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
def test_rem_lockspace_sync(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
fs.rem_lockspace("lockspace", 1, "path")
self.assertNotIn("lockspace", fs.spaces)
def test_read_resource_failure(self):
fs = FakeSanlock()
fs.errors["read_resource"] = ExpectedError
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(ExpectedError):
fs.read_resource("path", 1048576)
def test_rem_lockspace_async(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
fs.rem_lockspace("lockspace", 1, "path", async=True)
ls = fs.spaces["lockspace"]
self.assertFalse(ls["ready"].is_set(), "lockspace is ready")
def test_non_existing_resource(self):
fs = FakeSanlock()
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
def test_inq_lockspace_acquired(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
acquired = fs.inq_lockspace("lockspace", 1, "path")
self.assertTrue(acquired, "lockspace not acquired")
def test_read_resource_failure(self):
fs = FakeSanlock()
fs.errors["read_resource"] = ExpectedError
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(ExpectedError):
fs.read_resource("path", 1048576)
def test_inq_lockspace_acquring_no_wait(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path", async=True)
acquired = fs.inq_lockspace("lockspace", 1, "path")
self.assertIsNone(acquired, "lockspace is ready")
class TestIndex(VdsmTestCase):
@MonkeyPatch(time, 'time', lambda: 123456789)
def test_metadata(self):
with make_volume() as vol:
lockspace = os.path.basename(os.path.dirname(vol.path))
self.assertEqual(vol.version, 1)
self.assertEqual(vol.lockspace, lockspace)
self.assertEqual(vol.mtime, 123456789)
def test_magic_big_endian(self):
with make_volume() as vol:
with io.open(vol.path, "rb") as f:
f.seek(xlease.INDEX_BASE)
self.assertEqual(f.read(4), b"\x12\x15\x20\x16")
def test_bad_magic(self):
with make_leases() as path:
self.check_invalid_index(path)
def test_bad_version(self):
with make_volume() as vol:
with io.open(vol.path, "r+b") as f:
f.seek(xlease.INDEX_BASE + 5)
f.write(b"blah")
self.check_invalid_index(vol.path)
def test_unsupported_version(self):
with make_volume() as vol:
md = xlease.IndexMetadata(2, "lockspace")
with io.open(vol.path, "r+b") as f:
f.seek(xlease.INDEX_BASE)
f.write(md.bytes())
self.check_invalid_index(vol.path)
def test_bad_lockspace(self):
with make_volume() as vol:
with io.open(vol.path, "r+b") as f:
f.seek(xlease.INDEX_BASE + 10)
f.write(b"\xf0")
self.check_invalid_index(vol.path)
def test_bad_mtime(self):
with make_volume() as vol:
with io.open(vol.path, "r+b") as f:
f.seek(xlease.INDEX_BASE + 59)
f.write(b"not a number")
self.check_invalid_index(vol.path)
def test_updating(self):
with make_volume() as vol:
md = xlease.IndexMetadata(xlease.INDEX_VERSION, "lockspace",
updating=True)
with io.open(vol.path, "r+b") as f:
f.seek(xlease.INDEX_BASE)
f.write(md.bytes())
self.check_invalid_index(vol.path)
def test_truncated_index(self):
with make_volume() as vol:
# Truncate index, reading it should fail.
with io.open(vol.path, "r+b") as f:
f.truncate(
xlease.INDEX_BASE + xlease.INDEX_SIZE - xlease.BLOCK_SIZE)
self.check_invalid_index(vol.path)
def check_invalid_index(self, path):
file = xlease.DirectFile(path)
with utils.closing(file):
with self.assertRaises(xlease.InvalidIndex):
vol = xlease.LeasesVolume(file)
vol.close()
def test_format(self):
with make_volume() as vol:
self.assertEqual(vol.leases(), {})
def test_create_read_failure(self):
with make_leases() as path:
file = FailingReader(path)
with utils.closing(file):
with self.assertRaises(ReadError):
xlease.LeasesVolume(file)
def test_lookup_missing(self):
with make_volume() as vol:
with self.assertRaises(xlease.NoSuchLease):
vol.lookup(make_uuid())
def test_lookup_updating(self):
record = xlease.Record(make_uuid(), 0, updating=True)
with make_volume((42, record)) as vol:
leases = vol.leases()
self.assertTrue(leases[record.resource]["updating"])
with self.assertRaises(xlease.LeaseUpdating):
vol.lookup(record.resource)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add(self):
with make_volume() as vol:
lease_id = make_uuid()
lease = vol.add(lease_id)
self.assertEqual(lease.lockspace, vol.lockspace)
self.assertEqual(lease.resource, lease_id)
self.assertEqual(lease.path, vol.path)
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
self.assertEqual(res["lockspace"], lease.lockspace)
self.assertEqual(res["resource"], lease.resource)
def test_add_write_failure(self):
with make_volume() as base:
file = FailingWriter(base.path)
with utils.closing(file):
vol = xlease.LeasesVolume(file)
with utils.closing(vol):
lease_id = make_uuid()
with self.assertRaises(WriteError):
vol.add(lease_id)
# Must succeed becuase writng to storage failed
self.assertNotIn(lease_id, vol.leases())
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_sanlock_failure(self):
with make_volume() as vol:
lease_id = make_uuid()
sanlock = xlease.sanlock
# Make sanlock fail to write a resource
sanlock.errors["write_resource"] = sanlock.SanlockException
with self.assertRaises(sanlock.SanlockException):
vol.add(lease_id)
# We should have an updating lease record
lease = vol.leases()[lease_id]
self.assertTrue(lease["updating"])
# There should be no lease on storage
with self.assertRaises(sanlock.SanlockException) as e:
sanlock.read_resource(vol.path, lease["offset"])
self.assertEqual(e.exception.errno, sanlock.SANLK_LEADER_MAGIC)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_leases(self):
with make_volume() as vol:
uuid = make_uuid()
lease_info = vol.add(uuid)
leases = vol.leases()
expected = {
uuid: {
"offset": lease_info.offset,
"updating": False,
}
}
self.assertEqual(leases, expected)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_exists(self):
with make_volume() as vol:
lease_id = make_uuid()
lease = vol.add(lease_id)
with self.assertRaises(xlease.LeaseExists):
vol.add(lease_id)
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
self.assertEqual(res["lockspace"], lease.lockspace)
self.assertEqual(res["resource"], lease.resource)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_lookup_exists(self):
with make_volume() as vol:
lease_id = make_uuid()
add_info = vol.add(lease_id)
lookup_info = vol.lookup(lease_id)
self.assertEqual(add_info, lookup_info)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_remove_exists(self):
with make_volume() as vol:
leases = [make_uuid() for i in range(3)]
for lease in leases:
vol.add(lease)
lease = vol.lookup(leases[1])
vol.remove(lease.resource)
self.assertNotIn(lease.resource, vol.leases())
sanlock = xlease.sanlock
res = sanlock.read_resource(lease.path, lease.offset)
# There is no sanlock api for removing a resource, so we mark a
# removed resource with empty (invalid) lockspace and lease id.
self.assertEqual(res["lockspace"], "")
self.assertEqual(res["resource"], "")
def test_remove_missing(self):
with make_volume() as vol:
lease_id = make_uuid()
with self.assertRaises(xlease.NoSuchLease):
vol.remove(lease_id)
def test_remove_write_failure(self):
record = xlease.Record(make_uuid(), 0, updating=True)
with make_volume((42, record)) as base:
file = FailingWriter(base.path)
with utils.closing(file):
vol = xlease.LeasesVolume(file)
with utils.closing(vol):
with self.assertRaises(WriteError):
vol.remove(record.resource)
# Must succeed becuase writng to storage failed
self.assertIn(record.resource, vol.leases())
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_remove_sanlock_failure(self):
with make_volume() as vol:
lease_id = make_uuid()
vol.add(lease_id)
sanlock = xlease.sanlock
# Make sanlock fail to remove a resource (currnently removing a
# resouce by writing invalid lockspace and resoruce name).
sanlock.errors["write_resource"] = sanlock.SanlockException
with self.assertRaises(sanlock.SanlockException):
vol.remove(lease_id)
# We should have an updating lease record
lease = vol.leases()[lease_id]
self.assertTrue(lease["updating"])
# There lease should still be on storage
res = sanlock.read_resource(vol.path, lease["offset"])
self.assertEqual(res["lockspace"], vol.lockspace)
self.assertEqual(res["resource"], lease_id)
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_add_first_free_slot(self):
with make_volume() as vol:
uuids = [make_uuid() for i in range(4)]
for uuid in uuids[:3]:
vol.add(uuid)
vol.remove(uuids[1])
vol.add(uuids[3])
leases = vol.leases()
# The first lease in the first slot
self.assertEqual(leases[uuids[0]]["offset"],
xlease.USER_RESOURCE_BASE)
# The forth lease was added in the second slot after the second
# lease was removed.
self.assertEqual(leases[uuids[3]]["offset"],
xlease.USER_RESOURCE_BASE + xlease.SLOT_SIZE)
# The third lease in the third slot
self.assertEqual(leases[uuids[2]]["offset"],
xlease.USER_RESOURCE_BASE + xlease.SLOT_SIZE * 2)
@pytest.mark.slow
def test_time_lookup(self):
setup = """
import os
from testlib import make_uuid
from vdsm import utils
from vdsm.storage import xlease
path = "%s"
lockspace = os.path.basename(os.path.dirname(path))
lease_id = make_uuid()
def bench():
file = xlease.DirectFile(path)
with utils.closing(file):
vol = xlease.LeasesVolume(file)
with utils.closing(vol, log="test"):
try:
vol.lookup(lease_id)
except xlease.NoSuchLease:
pass
"""
with make_volume() as vol:
count = 100
elapsed = timeit.timeit("bench()", setup=setup % vol.path,
number=count)
print("%d lookups in %.6f seconds (%.6f seconds per lookup)"
% (count, elapsed, elapsed / count))
@pytest.mark.slow
@MonkeyPatch(xlease, "sanlock", FakeSanlock())
def test_time_add(self):
setup = """
import os
from testlib import make_uuid
from vdsm import utils
from vdsm.storage import xlease
path = "%s"
lockspace = os.path.basename(os.path.dirname(path))
def bench():
lease_id = make_uuid()
file = xlease.DirectFile(path)
with utils.closing(file):
vol = xlease.LeasesVolume(file)
with utils.closing(vol, log="test"):
vol.add(lease_id)
"""
with make_volume() as vol:
count = 100
elapsed = timeit.timeit("bench()", setup=setup % vol.path,
number=count)
# Note: this does not include the time to create the real sanlock
# resource.
print("%d adds in %.6f seconds (%.6f seconds per add)"
% (count, elapsed, elapsed / count))
def test_inq_lockspace_releasing_no_wait(self):
fs = FakeSanlock()
fs.add_lockspace("lockspace", 1, "path")
fs.rem_lockspace("lockspace", 1, "path", async=True)
acquired = fs.inq_lockspace("lockspace", 1, "path")
self.assertFalse(acquired, "lockspace not released")