def test_getblocksize_defaults(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
self.assertEquals(512, manifest.logBlkSize)
self.assertEquals(512, manifest.phyBlkSize)
def test_getblocksize_defaults(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
self.assertEquals(512, manifest.logBlkSize)
self.assertEquals(512, manifest.phyBlkSize)
def test_getreaddelay(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
vg_name = manifest.sdUUID
make_file(lvm.lvPath(vg_name, 'metadata'))
self.assertIsInstance(manifest.getReadDelay(), float)
def test_metaslot_lock(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
with manifest.acquireVolumeMetadataSlot(None, 1):
acquired = manifest._lvTagMetaSlotLock.acquire(False)
self.assertFalse(acquired)
def test_getreaddelay(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
vg_name = manifest.sdUUID
make_file(lvm.lvPath(vg_name, 'metadata'))
self.assertIsInstance(manifest.getReadDelay(), float)
def test_metaslot_lock(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
with manifest.acquireVolumeMetadataSlot(None, 1):
acquired = manifest._lvTagMetaSlotLock.acquire(False)
self.assertFalse(acquired)
def test_getmetaparam(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
metadata = {sd.DMDK_VERSION: 3}
manifest = make_blocksd(tmpdir, lvm, metadata=metadata)
metadata[sd.DMDK_SDUUID] = manifest.sdUUID
self.assertEquals(manifest.sdUUID,
manifest.getMetaParam(sd.DMDK_SDUUID))
def test_getmetaparam(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
metadata = {sd.DMDK_VERSION: 3}
manifest = make_blocksd(tmpdir, lvm, metadata=metadata)
metadata[sd.DMDK_SDUUID] = manifest.sdUUID
self.assertEquals(manifest.sdUUID,
manifest.getMetaParam(sd.DMDK_SDUUID))
def test_getvsize_inactive_lv(self):
# Tests the path when the device file is not present
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
lv_name = str(uuid.uuid4())
lvm.createLV(manifest.sdUUID, lv_name, VOLSIZE / MB)
self.assertEqual(VOLSIZE,
manifest.getVSize('<imgUUID>', lv_name))
def test_getblocksize(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
metadata = {sd.DMDK_VERSION: 3,
blockSD.DMDK_LOGBLKSIZE: 2048,
blockSD.DMDK_PHYBLKSIZE: 1024}
manifest = make_blocksd(tmpdir, lvm, metadata=metadata)
self.assertEquals(2048, manifest.logBlkSize)
self.assertEquals(1024, manifest.phyBlkSize)
def test_getvsize_inactive_lv(self):
# Tests the path when the device file is not present
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
lv_name = str(uuid.uuid4())
lvm.createLV(manifest.sdUUID, lv_name, VOLSIZE / MB)
self.assertEqual(VOLSIZE,
manifest.getVSize('<imgUUID>', lv_name))
def test_getblocksize(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
metadata = {
sd.DMDK_VERSION: 3,
blockSD.DMDK_LOGBLKSIZE: 2048,
blockSD.DMDK_PHYBLKSIZE: 1024
}
manifest = make_blocksd(tmpdir, lvm, metadata=metadata)
self.assertEquals(2048, manifest.logBlkSize)
self.assertEquals(1024, manifest.phyBlkSize)
def test_metaslot_selection(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
lvs = ('0b6287f0-3679-4c4d-8be5-9bbfe3ec9c1f',
'ea13af29-b64a-4d1a-b35f-3e6ab15c3b04')
for lv, offset in zip(lvs, [4, 7]):
lvm.createLV(manifest.sdUUID, lv, VOLSIZE)
tag = blockVolume.TAG_PREFIX_MD + str(offset)
lvm.addtag(manifest.sdUUID, lv, tag)
with manifest.acquireVolumeMetadataSlot(None, 1) as mdSlot:
self.assertEqual(mdSlot, 5)
def test_metaslot_selection(self):
with namedTemporaryDir() as tmpdir:
lvm = FakeLVM(tmpdir)
with MonkeyPatchScope([(blockSD, 'lvm', lvm)]):
manifest = make_blocksd(tmpdir, lvm)
lvs = ('0b6287f0-3679-4c4d-8be5-9bbfe3ec9c1f',
'ea13af29-b64a-4d1a-b35f-3e6ab15c3b04')
for lv, offset in zip(lvs, [4, 7]):
lvm.createLV(manifest.sdUUID, lv, VOLSIZE)
tag = blockVolume.TAG_PREFIX_MD + str(offset)
lvm.addtag(manifest.sdUUID, lv, tag)
with manifest.acquireVolumeMetadataSlot(None, 1) as mdSlot:
self.assertEqual(mdSlot, 5)
