+class TestHvStateHelper(unittest.TestCase):
+ def testWithoutOpData(self):
+ self.assertEqual(cmdlib._MergeAndVerifyHvState(None, NotImplemented), None)
+
+ def testWithoutOldData(self):
+ new = {
+ constants.HT_XEN_PVM: {
+ constants.HVST_MEMORY_TOTAL: 4096,
+ },
+ }
+ self.assertEqual(cmdlib._MergeAndVerifyHvState(new, None), new)
+
+ def testWithWrongHv(self):
+ new = {
+ "i-dont-exist": {
+ constants.HVST_MEMORY_TOTAL: 4096,
+ },
+ }
+ self.assertRaises(errors.OpPrereqError, cmdlib._MergeAndVerifyHvState, new,
+ None)
+
+class TestDiskStateHelper(unittest.TestCase):
+ def testWithoutOpData(self):
+ self.assertEqual(cmdlib._MergeAndVerifyDiskState(None, NotImplemented),
+ None)
+
+ def testWithoutOldData(self):
+ new = {
+ constants.LD_LV: {
+ "xenvg": {
+ constants.DS_DISK_RESERVED: 1024,
+ },
+ },
+ }
+ self.assertEqual(cmdlib._MergeAndVerifyDiskState(new, None), new)
+
+ def testWithWrongStorageType(self):
+ new = {
+ "i-dont-exist": {
+ "xenvg": {
+ constants.DS_DISK_RESERVED: 1024,
+ },
+ },
+ }
+ self.assertRaises(errors.OpPrereqError, cmdlib._MergeAndVerifyDiskState,
+ new, None)
+
+
+class TestComputeMinMaxSpec(unittest.TestCase):
+ def setUp(self):
+ self.ipolicy = {
+ constants.ISPECS_MAX: {
+ constants.ISPEC_MEM_SIZE: 512,
+ constants.ISPEC_DISK_SIZE: 1024,
+ },
+ constants.ISPECS_MIN: {
+ constants.ISPEC_MEM_SIZE: 128,
+ constants.ISPEC_DISK_COUNT: 1,
+ },
+ }
+
+ def testNoneValue(self):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(constants.ISPEC_MEM_SIZE, None,
+ self.ipolicy, None) is None)
+
+ def testAutoValue(self):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(constants.ISPEC_MEM_SIZE, None,
+ self.ipolicy,
+ constants.VALUE_AUTO) is None)
+
+ def testNotDefined(self):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(constants.ISPEC_NIC_COUNT, None,
+ self.ipolicy, 3) is None)
+
+ def testNoMinDefined(self):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(constants.ISPEC_DISK_SIZE, None,
+ self.ipolicy, 128) is None)
+
+ def testNoMaxDefined(self):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(constants.ISPEC_DISK_COUNT, None,
+ self.ipolicy, 16) is None)
+
+ def testOutOfRange(self):
+ for (name, val) in ((constants.ISPEC_MEM_SIZE, 64),
+ (constants.ISPEC_MEM_SIZE, 768),
+ (constants.ISPEC_DISK_SIZE, 4096),
+ (constants.ISPEC_DISK_COUNT, 0)):
+ min_v = self.ipolicy[constants.ISPECS_MIN].get(name, val)
+ max_v = self.ipolicy[constants.ISPECS_MAX].get(name, val)
+ self.assertEqual(cmdlib._ComputeMinMaxSpec(name, None,
+ self.ipolicy, val),
+ "%s value %s is not in range [%s, %s]" %
+ (name, val,min_v, max_v))
+ self.assertEqual(cmdlib._ComputeMinMaxSpec(name, "1",
+ self.ipolicy, val),
+ "%s/1 value %s is not in range [%s, %s]" %
+ (name, val,min_v, max_v))
+
+ def test(self):
+ for (name, val) in ((constants.ISPEC_MEM_SIZE, 256),
+ (constants.ISPEC_MEM_SIZE, 128),
+ (constants.ISPEC_MEM_SIZE, 512),
+ (constants.ISPEC_DISK_SIZE, 1024),
+ (constants.ISPEC_DISK_SIZE, 0),
+ (constants.ISPEC_DISK_COUNT, 1),
+ (constants.ISPEC_DISK_COUNT, 5)):
+ self.assertTrue(cmdlib._ComputeMinMaxSpec(name, None, self.ipolicy, val)
+ is None)
+
+
+def _ValidateComputeMinMaxSpec(name, *_):
+ assert name in constants.ISPECS_PARAMETERS
+ return None
+
+
+class _SpecWrapper:
+ def __init__(self, spec):
+ self.spec = spec
+
+ def ComputeMinMaxSpec(self, *args):
+ return self.spec.pop(0)
+
+
+class TestComputeIPolicySpecViolation(unittest.TestCase):
+ def test(self):
+ compute_fn = _ValidateComputeMinMaxSpec
+ ret = cmdlib._ComputeIPolicySpecViolation(NotImplemented, 1024, 1, 1, 1,
+ [1024], 1, _compute_fn=compute_fn)
+ self.assertEqual(ret, [])
+
+ def testInvalidArguments(self):
+ self.assertRaises(AssertionError, cmdlib._ComputeIPolicySpecViolation,
+ NotImplemented, 1024, 1, 1, 1, [], 1)
+
+ def testInvalidSpec(self):
+ spec = _SpecWrapper([None, False, "foo", None, "bar", None])
+ compute_fn = spec.ComputeMinMaxSpec
+ ret = cmdlib._ComputeIPolicySpecViolation(NotImplemented, 1024, 1, 1, 1,
+ [1024], 1, _compute_fn=compute_fn)
+ self.assertEqual(ret, ["foo", "bar"])
+ self.assertFalse(spec.spec)
+
+
+class _StubComputeIPolicySpecViolation:
+ def __init__(self, mem_size, cpu_count, disk_count, nic_count, disk_sizes,
+ spindle_use):
+ self.mem_size = mem_size
+ self.cpu_count = cpu_count
+ self.disk_count = disk_count
+ self.nic_count = nic_count
+ self.disk_sizes = disk_sizes
+ self.spindle_use = spindle_use
+
+ def __call__(self, _, mem_size, cpu_count, disk_count, nic_count, disk_sizes,
+ spindle_use):
+ assert self.mem_size == mem_size
+ assert self.cpu_count == cpu_count
+ assert self.disk_count == disk_count
+ assert self.nic_count == nic_count
+ assert self.disk_sizes == disk_sizes
+ assert self.spindle_use == spindle_use
+
+ return []
+
+
+class TestComputeIPolicyInstanceViolation(unittest.TestCase):
+ def test(self):
+ beparams = {
+ constants.BE_MAXMEM: 2048,
+ constants.BE_VCPUS: 2,
+ constants.BE_SPINDLE_USE: 4,
+ }
+ disks = [objects.Disk(size=512)]
+ instance = objects.Instance(beparams=beparams, disks=disks, nics=[])
+ stub = _StubComputeIPolicySpecViolation(2048, 2, 1, 0, [512], 4)
+ ret = cmdlib._ComputeIPolicyInstanceViolation(NotImplemented, instance,
+ _compute_fn=stub)
+ self.assertEqual(ret, [])
+
+
+class TestComputeIPolicyInstanceSpecViolation(unittest.TestCase):
+ def test(self):
+ ispec = {
+ constants.ISPEC_MEM_SIZE: 2048,
+ constants.ISPEC_CPU_COUNT: 2,
+ constants.ISPEC_DISK_COUNT: 1,
+ constants.ISPEC_DISK_SIZE: [512],
+ constants.ISPEC_NIC_COUNT: 0,
+ constants.ISPEC_SPINDLE_USE: 1,
+ }
+ stub = _StubComputeIPolicySpecViolation(2048, 2, 1, 0, [512], 1)
+ ret = cmdlib._ComputeIPolicyInstanceSpecViolation(NotImplemented, ispec,
+ _compute_fn=stub)
+ self.assertEqual(ret, [])
+
+
+class _CallRecorder:
+ def __init__(self, return_value=None):
+ self.called = False
+ self.return_value = return_value
+
+ def __call__(self, *args):
+ self.called = True
+ return self.return_value
+
+
+class TestComputeIPolicyNodeViolation(unittest.TestCase):
+ def setUp(self):
+ self.recorder = _CallRecorder(return_value=[])
+
+ def testSameGroup(self):
+ ret = cmdlib._ComputeIPolicyNodeViolation(NotImplemented, NotImplemented,
+ "foo", "foo",
+ _compute_fn=self.recorder)
+ self.assertFalse(self.recorder.called)
+ self.assertEqual(ret, [])
+
+ def testDifferentGroup(self):
+ ret = cmdlib._ComputeIPolicyNodeViolation(NotImplemented, NotImplemented,
+ "foo", "bar",
+ _compute_fn=self.recorder)
+ self.assertTrue(self.recorder.called)
+ self.assertEqual(ret, [])
+
+
+class _FakeConfigForTargetNodeIPolicy:
+ def __init__(self, node_info=NotImplemented):
+ self._node_info = node_info
+
+ def GetNodeInfo(self, _):
+ return self._node_info
+
+
+class TestCheckTargetNodeIPolicy(unittest.TestCase):
+ def setUp(self):
+ self.instance = objects.Instance(primary_node="blubb")
+ self.target_node = objects.Node(group="bar")
+ node_info = objects.Node(group="foo")
+ fake_cfg = _FakeConfigForTargetNodeIPolicy(node_info=node_info)
+ self.lu = _FakeLU(cfg=fake_cfg)
+
+ def testNoViolation(self):
+ compute_recoder = _CallRecorder(return_value=[])
+ cmdlib._CheckTargetNodeIPolicy(self.lu, NotImplemented, self.instance,
+ self.target_node,
+ _compute_fn=compute_recoder)
+ self.assertTrue(compute_recoder.called)
+ self.assertEqual(self.lu.warning_log, [])
+
+ def testNoIgnore(self):
+ compute_recoder = _CallRecorder(return_value=["mem_size not in range"])
+ self.assertRaises(errors.OpPrereqError, cmdlib._CheckTargetNodeIPolicy,
+ self.lu, NotImplemented, self.instance, self.target_node,
+ _compute_fn=compute_recoder)
+ self.assertTrue(compute_recoder.called)
+ self.assertEqual(self.lu.warning_log, [])
+
+ def testIgnoreViolation(self):
+ compute_recoder = _CallRecorder(return_value=["mem_size not in range"])
+ cmdlib._CheckTargetNodeIPolicy(self.lu, NotImplemented, self.instance,
+ self.target_node, ignore=True,
+ _compute_fn=compute_recoder)
+ self.assertTrue(compute_recoder.called)
+ msg = ("Instance does not meet target node group's (bar) instance policy:"
+ " mem_size not in range")
+ self.assertEqual(self.lu.warning_log, [(msg, ())])
+
+
+class TestApplyContainerMods(unittest.TestCase):
+ def testEmptyContainer(self):
+ container = []
+ chgdesc = []
+ cmdlib.ApplyContainerMods("test", container, chgdesc, [], None, None, None)
+ self.assertEqual(container, [])
+ self.assertEqual(chgdesc, [])
+
+ def testAdd(self):
+ container = []
+ chgdesc = []
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, -1, "Hello"),
+ (constants.DDM_ADD, -1, "World"),
+ (constants.DDM_ADD, 0, "Start"),
+ (constants.DDM_ADD, -1, "End"),
+ ], None)
+ cmdlib.ApplyContainerMods("test", container, chgdesc, mods,
+ None, None, None)
+ self.assertEqual(container, ["Start", "Hello", "World", "End"])
+ self.assertEqual(chgdesc, [])
+
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, 0, "zero"),
+ (constants.DDM_ADD, 3, "Added"),
+ (constants.DDM_ADD, 5, "four"),
+ (constants.DDM_ADD, 7, "xyz"),
+ ], None)
+ cmdlib.ApplyContainerMods("test", container, chgdesc, mods,
+ None, None, None)
+ self.assertEqual(container,
+ ["zero", "Start", "Hello", "Added", "World", "four",
+ "End", "xyz"])
+ self.assertEqual(chgdesc, [])
+
+ for idx in [-2, len(container) + 1]:
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, idx, "error"),
+ ], None)
+ self.assertRaises(IndexError, cmdlib.ApplyContainerMods,
+ "test", container, None, mods, None, None, None)
+
+ def testRemoveError(self):
+ for idx in [0, 1, 2, 100, -1, -4]:
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_REMOVE, idx, None),
+ ], None)
+ self.assertRaises(IndexError, cmdlib.ApplyContainerMods,
+ "test", [], None, mods, None, None, None)
+
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_REMOVE, 0, object()),
+ ], None)
+ self.assertRaises(AssertionError, cmdlib.ApplyContainerMods,
+ "test", [""], None, mods, None, None, None)
+
+ def testAddError(self):
+ for idx in range(-100, -1) + [100]:
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, idx, None),
+ ], None)
+ self.assertRaises(IndexError, cmdlib.ApplyContainerMods,
+ "test", [], None, mods, None, None, None)
+
+ def testRemove(self):
+ container = ["item 1", "item 2"]
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, -1, "aaa"),
+ (constants.DDM_REMOVE, -1, None),
+ (constants.DDM_ADD, -1, "bbb"),
+ ], None)
+ chgdesc = []
+ cmdlib.ApplyContainerMods("test", container, chgdesc, mods,
+ None, None, None)
+ self.assertEqual(container, ["item 1", "item 2", "bbb"])
+ self.assertEqual(chgdesc, [
+ ("test/2", "remove"),
+ ])
+
+ def testModify(self):
+ container = ["item 1", "item 2"]
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_MODIFY, -1, "a"),
+ (constants.DDM_MODIFY, 0, "b"),
+ (constants.DDM_MODIFY, 1, "c"),
+ ], None)
+ chgdesc = []
+ cmdlib.ApplyContainerMods("test", container, chgdesc, mods,
+ None, None, None)
+ self.assertEqual(container, ["item 1", "item 2"])
+ self.assertEqual(chgdesc, [])
+
+ for idx in [-2, len(container) + 1]:
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_MODIFY, idx, "error"),
+ ], None)
+ self.assertRaises(IndexError, cmdlib.ApplyContainerMods,
+ "test", container, None, mods, None, None, None)
+
+ class _PrivateData:
+ def __init__(self):
+ self.data = None
+
+ @staticmethod
+ def _CreateTestFn(idx, params, private):
+ private.data = ("add", idx, params)
+ return ((100 * idx, params), [
+ ("test/%s" % idx, hex(idx)),
+ ])
+
+ @staticmethod
+ def _ModifyTestFn(idx, item, params, private):
+ private.data = ("modify", idx, params)
+ return [
+ ("test/%s" % idx, "modify %s" % params),
+ ]
+
+ @staticmethod
+ def _RemoveTestFn(idx, item, private):
+ private.data = ("remove", idx, item)
+
+ def testAddWithCreateFunction(self):
+ container = []
+ chgdesc = []
+ mods = cmdlib.PrepareContainerMods([
+ (constants.DDM_ADD, -1, "Hello"),
+ (constants.DDM_ADD, -1, "World"),
+ (constants.DDM_ADD, 0, "Start"),
+ (constants.DDM_ADD, -1, "End"),
+ (constants.DDM_REMOVE, 2, None),
+ (constants.DDM_MODIFY, -1, "foobar"),
+ (constants.DDM_REMOVE, 2, None),
+ (constants.DDM_ADD, 1, "More"),
+ ], self._PrivateData)
+ cmdlib.ApplyContainerMods("test", container, chgdesc, mods,
+ self._CreateTestFn, self._ModifyTestFn, self._RemoveTestFn)
+ self.assertEqual(container, [
+ (000, "Start"),
+ (100, "More"),
+ (000, "Hello"),
+ ])
+ self.assertEqual(chgdesc, [
+ ("test/0", "0x0"),
+ ("test/1", "0x1"),
+ ("test/0", "0x0"),
+ ("test/3", "0x3"),
+ ("test/2", "remove"),
+ ("test/2", "modify foobar"),
+ ("test/2", "remove"),
+ ("test/1", "0x1")
+ ])
+ self.assertTrue(compat.all(op == private.data[0]
+ for (op, _, _, private) in mods))
+ self.assertEqual([private.data for (op, _, _, private) in mods], [
+ ("add", 0, "Hello"),
+ ("add", 1, "World"),
+ ("add", 0, "Start"),
+ ("add", 3, "End"),
+ ("remove", 2, (100, "World")),
+ ("modify", 2, "foobar"),
+ ("remove", 2, (300, "End")),
+ ("add", 1, "More"),
+ ])
+
+
+class _FakeConfigForGenDiskTemplate:
+ def __init__(self):
+ self._unique_id = itertools.count()
+ self._drbd_minor = itertools.count(20)
+ self._port = itertools.count(constants.FIRST_DRBD_PORT)
+ self._secret = itertools.count()
+
+ def GetVGName(self):
+ return "testvg"
+
+ def GenerateUniqueID(self, ec_id):
+ return "ec%s-uq%s" % (ec_id, self._unique_id.next())
+
+ def AllocateDRBDMinor(self, nodes, instance):
+ return [self._drbd_minor.next()
+ for _ in nodes]
+
+ def AllocatePort(self):
+ return self._port.next()
+
+ def GenerateDRBDSecret(self, ec_id):
+ return "ec%s-secret%s" % (ec_id, self._secret.next())
+
+ def GetInstanceInfo(self, _):
+ return "foobar"
+
+
+class _FakeProcForGenDiskTemplate:
+ def GetECId(self):
+ return 0
+
+
+class TestGenerateDiskTemplate(unittest.TestCase):
+ def setUp(self):
+ nodegroup = objects.NodeGroup(name="ng")
+ nodegroup.UpgradeConfig()
+
+ cfg = _FakeConfigForGenDiskTemplate()
+ proc = _FakeProcForGenDiskTemplate()
+
+ self.lu = _FakeLU(cfg=cfg, proc=proc)
+ self.nodegroup = nodegroup
+
+ @staticmethod
+ def GetDiskParams():
+ return copy.deepcopy(constants.DISK_DT_DEFAULTS)
+
+ def testWrongDiskTemplate(self):
+ gdt = cmdlib._GenerateDiskTemplate
+ disk_template = "##unknown##"
+
+ assert disk_template not in constants.DISK_TEMPLATES
+
+ self.assertRaises(errors.ProgrammerError, gdt, self.lu, disk_template,
+ "inst26831.example.com", "node30113.example.com", [], [],
+ NotImplemented, NotImplemented, 0, self.lu.LogInfo,
+ self.GetDiskParams())
+
+ def testDiskless(self):
+ gdt = cmdlib._GenerateDiskTemplate
+
+ result = gdt(self.lu, constants.DT_DISKLESS, "inst27734.example.com",
+ "node30113.example.com", [], [],
+ NotImplemented, NotImplemented, 0, self.lu.LogInfo,
+ self.GetDiskParams())
+ self.assertEqual(result, [])
+
+ def _TestTrivialDisk(self, template, disk_info, base_index, exp_dev_type,
+ file_storage_dir=NotImplemented,
+ file_driver=NotImplemented,
+ req_file_storage=NotImplemented,
+ req_shr_file_storage=NotImplemented):
+ gdt = cmdlib._GenerateDiskTemplate
+
+ map(lambda params: utils.ForceDictType(params,
+ constants.IDISK_PARAMS_TYPES),
+ disk_info)
+
+ # Check if non-empty list of secondaries is rejected
+ self.assertRaises(errors.ProgrammerError, gdt, self.lu,
+ template, "inst25088.example.com",
+ "node185.example.com", ["node323.example.com"], [],
+ NotImplemented, NotImplemented, base_index,
+ self.lu.LogInfo, self.GetDiskParams(),
+ _req_file_storage=req_file_storage,
+ _req_shr_file_storage=req_shr_file_storage)
+
+ result = gdt(self.lu, template, "inst21662.example.com",
+ "node21741.example.com", [],
+ disk_info, file_storage_dir, file_driver, base_index,
+ self.lu.LogInfo, self.GetDiskParams(),
+ _req_file_storage=req_file_storage,
+ _req_shr_file_storage=req_shr_file_storage)
+
+ for (idx, disk) in enumerate(result):
+ self.assertTrue(isinstance(disk, objects.Disk))
+ self.assertEqual(disk.dev_type, exp_dev_type)
+ self.assertEqual(disk.size, disk_info[idx][constants.IDISK_SIZE])
+ self.assertEqual(disk.mode, disk_info[idx][constants.IDISK_MODE])
+ self.assertTrue(disk.children is None)
+
+ self._CheckIvNames(result, base_index, base_index + len(disk_info))
+ cmdlib._UpdateIvNames(base_index, result)
+ self._CheckIvNames(result, base_index, base_index + len(disk_info))
+
+ return result
+
+ def _CheckIvNames(self, disks, base_index, end_index):
+ self.assertEqual(map(operator.attrgetter("iv_name"), disks),
+ ["disk/%s" % i for i in range(base_index, end_index)])
+
+ def testPlain(self):
+ disk_info = [{
+ constants.IDISK_SIZE: 1024,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }, {
+ constants.IDISK_SIZE: 4096,
+ constants.IDISK_VG: "othervg",
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }]
+
+ result = self._TestTrivialDisk(constants.DT_PLAIN, disk_info, 3,
+ constants.LD_LV)
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), result), [
+ ("testvg", "ec0-uq0.disk3"),
+ ("othervg", "ec0-uq1.disk4"),
+ ])
+
+ @staticmethod
+ def _AllowFileStorage():
+ pass
+
+ @staticmethod
+ def _ForbidFileStorage():
+ raise errors.OpPrereqError("Disallowed in test")
+
+ def testFile(self):
+ self.assertRaises(errors.OpPrereqError, self._TestTrivialDisk,
+ constants.DT_FILE, [], 0, NotImplemented,
+ req_file_storage=self._ForbidFileStorage)
+ self.assertRaises(errors.OpPrereqError, self._TestTrivialDisk,
+ constants.DT_SHARED_FILE, [], 0, NotImplemented,
+ req_shr_file_storage=self._ForbidFileStorage)
+
+ for disk_template in [constants.DT_FILE, constants.DT_SHARED_FILE]:
+ disk_info = [{
+ constants.IDISK_SIZE: 80 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDONLY,
+ }, {
+ constants.IDISK_SIZE: 4096,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }, {
+ constants.IDISK_SIZE: 6 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }]
+
+ result = self._TestTrivialDisk(disk_template, disk_info, 2,
+ constants.LD_FILE, file_storage_dir="/tmp",
+ file_driver=constants.FD_BLKTAP,
+ req_file_storage=self._AllowFileStorage,
+ req_shr_file_storage=self._AllowFileStorage)
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), result), [
+ (constants.FD_BLKTAP, "/tmp/disk2"),
+ (constants.FD_BLKTAP, "/tmp/disk3"),
+ (constants.FD_BLKTAP, "/tmp/disk4"),
+ ])
+
+ def testBlock(self):
+ disk_info = [{
+ constants.IDISK_SIZE: 8 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ constants.IDISK_ADOPT: "/tmp/some/block/dev",
+ }]
+
+ result = self._TestTrivialDisk(constants.DT_BLOCK, disk_info, 10,
+ constants.LD_BLOCKDEV)
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), result), [
+ (constants.BLOCKDEV_DRIVER_MANUAL, "/tmp/some/block/dev"),
+ ])
+
+ def testRbd(self):
+ disk_info = [{
+ constants.IDISK_SIZE: 8 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDONLY,
+ }, {
+ constants.IDISK_SIZE: 100 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }]
+
+ result = self._TestTrivialDisk(constants.DT_RBD, disk_info, 0,
+ constants.LD_RBD)
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), result), [
+ ("rbd", "ec0-uq0.rbd.disk0"),
+ ("rbd", "ec0-uq1.rbd.disk1"),
+ ])
+
+ def testDrbd8(self):
+ gdt = cmdlib._GenerateDiskTemplate
+ drbd8_defaults = constants.DISK_LD_DEFAULTS[constants.LD_DRBD8]
+ drbd8_default_metavg = drbd8_defaults[constants.LDP_DEFAULT_METAVG]
+
+ disk_info = [{
+ constants.IDISK_SIZE: 1024,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ }, {
+ constants.IDISK_SIZE: 100 * 1024,
+ constants.IDISK_MODE: constants.DISK_RDONLY,
+ constants.IDISK_METAVG: "metavg",
+ }, {
+ constants.IDISK_SIZE: 4096,
+ constants.IDISK_MODE: constants.DISK_RDWR,
+ constants.IDISK_VG: "vgxyz",
+ },
+ ]
+
+ exp_logical_ids = [[
+ (self.lu.cfg.GetVGName(), "ec0-uq0.disk0_data"),
+ (drbd8_default_metavg, "ec0-uq0.disk0_meta"),
+ ], [
+ (self.lu.cfg.GetVGName(), "ec0-uq1.disk1_data"),
+ ("metavg", "ec0-uq1.disk1_meta"),
+ ], [
+ ("vgxyz", "ec0-uq2.disk2_data"),
+ (drbd8_default_metavg, "ec0-uq2.disk2_meta"),
+ ]]
+
+ assert len(exp_logical_ids) == len(disk_info)
+
+ map(lambda params: utils.ForceDictType(params,
+ constants.IDISK_PARAMS_TYPES),
+ disk_info)
+
+ # Check if empty list of secondaries is rejected
+ self.assertRaises(errors.ProgrammerError, gdt, self.lu, constants.DT_DRBD8,
+ "inst827.example.com", "node1334.example.com", [],
+ disk_info, NotImplemented, NotImplemented, 0,
+ self.lu.LogInfo, self.GetDiskParams())
+
+ result = gdt(self.lu, constants.DT_DRBD8, "inst827.example.com",
+ "node1334.example.com", ["node12272.example.com"],
+ disk_info, NotImplemented, NotImplemented, 0, self.lu.LogInfo,
+ self.GetDiskParams())
+
+ for (idx, disk) in enumerate(result):
+ self.assertTrue(isinstance(disk, objects.Disk))
+ self.assertEqual(disk.dev_type, constants.LD_DRBD8)
+ self.assertEqual(disk.size, disk_info[idx][constants.IDISK_SIZE])
+ self.assertEqual(disk.mode, disk_info[idx][constants.IDISK_MODE])
+
+ for child in disk.children:
+ self.assertTrue(isinstance(disk, objects.Disk))
+ self.assertEqual(child.dev_type, constants.LD_LV)
+ self.assertTrue(child.children is None)
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), disk.children),
+ exp_logical_ids[idx])
+
+ self.assertEqual(len(disk.children), 2)
+ self.assertEqual(disk.children[0].size, disk.size)
+ self.assertEqual(disk.children[1].size, constants.DRBD_META_SIZE)
+
+ self._CheckIvNames(result, 0, len(disk_info))
+ cmdlib._UpdateIvNames(0, result)
+ self._CheckIvNames(result, 0, len(disk_info))
+
+ self.assertEqual(map(operator.attrgetter("logical_id"), result), [
+ ("node1334.example.com", "node12272.example.com",
+ constants.FIRST_DRBD_PORT, 20, 21, "ec0-secret0"),
+ ("node1334.example.com", "node12272.example.com",
+ constants.FIRST_DRBD_PORT + 1, 22, 23, "ec0-secret1"),
+ ("node1334.example.com", "node12272.example.com",
+ constants.FIRST_DRBD_PORT + 2, 24, 25, "ec0-secret2"),
+ ])
+
+
+class _ConfigForDiskWipe:
+ def __init__(self, exp_node):
+ self._exp_node = exp_node
+
+ def SetDiskID(self, device, node):
+ assert isinstance(device, objects.Disk)
+ assert node == self._exp_node
+
+
+class _RpcForDiskWipe:
+ def __init__(self, exp_node, pause_cb, wipe_cb):
+ self._exp_node = exp_node
+ self._pause_cb = pause_cb
+ self._wipe_cb = wipe_cb
+
+ def call_blockdev_pause_resume_sync(self, node, disks, pause):
+ assert node == self._exp_node
+ return rpc.RpcResult(data=self._pause_cb(disks, pause))
+
+ def call_blockdev_wipe(self, node, bdev, offset, size):
+ assert node == self._exp_node
+ return rpc.RpcResult(data=self._wipe_cb(bdev, offset, size))
+
+
+class _DiskPauseTracker:
+ def __init__(self):
+ self.history = []
+
+ def __call__(self, (disks, instance), pause):
+ assert not (set(disks) - set(instance.disks))
+
+ self.history.extend((i.logical_id, i.size, pause)
+ for i in disks)
+
+ return (True, [True] * len(disks))
+
+
+class _DiskWipeProgressTracker:
+ def __init__(self, start_offset):
+ self._start_offset = start_offset
+ self.progress = {}
+
+ def __call__(self, (disk, _), offset, size):
+ assert isinstance(offset, (long, int))
+ assert isinstance(size, (long, int))
+
+ max_chunk_size = (disk.size / 100.0 * constants.MIN_WIPE_CHUNK_PERCENT)
+
+ assert offset >= self._start_offset
+ assert (offset + size) <= disk.size
+
+ assert size > 0
+ assert size <= constants.MAX_WIPE_CHUNK
+ assert size <= max_chunk_size
+
+ assert offset == self._start_offset or disk.logical_id in self.progress
+
+ # Keep track of progress
+ cur_progress = self.progress.setdefault(disk.logical_id, self._start_offset)
+
+ assert cur_progress == offset
+
+ # Record progress
+ self.progress[disk.logical_id] += size
+
+ return (True, None)
+
+
+class TestWipeDisks(unittest.TestCase):
+ def _FailingPauseCb(self, (disks, _), pause):
+ self.assertEqual(len(disks), 3)
+ self.assertTrue(pause)
+ # Simulate an RPC error
+ return (False, "error")
+
+ def testPauseFailure(self):
+ node_name = "node1372.example.com"
+
+ lu = _FakeLU(rpc=_RpcForDiskWipe(node_name, self._FailingPauseCb,
+ NotImplemented),
+ cfg=_ConfigForDiskWipe(node_name))
+
+ disks = [
+ objects.Disk(dev_type=constants.LD_LV),
+ objects.Disk(dev_type=constants.LD_LV),
+ objects.Disk(dev_type=constants.LD_LV),
+ ]
+
+ instance = objects.Instance(name="inst21201",
+ primary_node=node_name,
+ disk_template=constants.DT_PLAIN,
+ disks=disks)
+
+ self.assertRaises(errors.OpExecError, cmdlib._WipeDisks, lu, instance)
+
+ def _FailingWipeCb(self, (disk, _), offset, size):
+ # This should only ever be called for the first disk
+ self.assertEqual(disk.logical_id, "disk0")
+ return (False, None)
+
+ def testFailingWipe(self):
+ node_name = "node13445.example.com"
+ pt = _DiskPauseTracker()
+
+ lu = _FakeLU(rpc=_RpcForDiskWipe(node_name, pt, self._FailingWipeCb),
+ cfg=_ConfigForDiskWipe(node_name))
+
+ disks = [
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk0",
+ size=100 * 1024),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk1",
+ size=500 * 1024),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk2", size=256),
+ ]
+
+ instance = objects.Instance(name="inst562",
+ primary_node=node_name,
+ disk_template=constants.DT_PLAIN,
+ disks=disks)
+
+ try:
+ cmdlib._WipeDisks(lu, instance)
+ except errors.OpExecError, err:
+ self.assertTrue(str(err), "Could not wipe disk 0 at offset 0 ")
+ else:
+ self.fail("Did not raise exception")
+
+ # Check if all disks were paused and resumed
+ self.assertEqual(pt.history, [
+ ("disk0", 100 * 1024, True),
+ ("disk1", 500 * 1024, True),
+ ("disk2", 256, True),
+ ("disk0", 100 * 1024, False),
+ ("disk1", 500 * 1024, False),
+ ("disk2", 256, False),
+ ])
+
+ def _PrepareWipeTest(self, start_offset, disks):
+ node_name = "node-with-offset%s.example.com" % start_offset
+ pauset = _DiskPauseTracker()
+ progresst = _DiskWipeProgressTracker(start_offset)
+
+ lu = _FakeLU(rpc=_RpcForDiskWipe(node_name, pauset, progresst),
+ cfg=_ConfigForDiskWipe(node_name))
+
+ instance = objects.Instance(name="inst3560",
+ primary_node=node_name,
+ disk_template=constants.DT_PLAIN,
+ disks=disks)
+
+ return (lu, instance, pauset, progresst)
+
+ def testNormalWipe(self):
+ disks = [
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk0", size=1024),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk1",
+ size=500 * 1024),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk2", size=128),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk3",
+ size=constants.MAX_WIPE_CHUNK),
+ ]
+
+ (lu, instance, pauset, progresst) = self._PrepareWipeTest(0, disks)
+
+ cmdlib._WipeDisks(lu, instance)
+
+ self.assertEqual(pauset.history, [
+ ("disk0", 1024, True),
+ ("disk1", 500 * 1024, True),
+ ("disk2", 128, True),
+ ("disk3", constants.MAX_WIPE_CHUNK, True),
+ ("disk0", 1024, False),
+ ("disk1", 500 * 1024, False),
+ ("disk2", 128, False),
+ ("disk3", constants.MAX_WIPE_CHUNK, False),
+ ])
+
+ # Ensure the complete disk has been wiped
+ self.assertEqual(progresst.progress,
+ dict((i.logical_id, i.size) for i in disks))
+
+ def testWipeWithStartOffset(self):
+ for start_offset in [0, 280, 8895, 1563204]:
+ disks = [
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk0",
+ size=128),
+ objects.Disk(dev_type=constants.LD_LV, logical_id="disk1",
+ size=start_offset + (100 * 1024)),
+ ]
+
+ (lu, instance, pauset, progresst) = \
+ self._PrepareWipeTest(start_offset, disks)
+
+ # Test start offset with only one disk
+ cmdlib._WipeDisks(lu, instance,
+ disks=[(1, disks[1], start_offset)])
+
+ # Only the second disk may have been paused and wiped
+ self.assertEqual(pauset.history, [
+ ("disk1", start_offset + (100 * 1024), True),
+ ("disk1", start_offset + (100 * 1024), False),
+ ])
+ self.assertEqual(progresst.progress, {
+ "disk1": disks[1].size,
+ })
+
+
+class TestDiskSizeInBytesToMebibytes(unittest.TestCase):
+ def testLessThanOneMebibyte(self):
+ for i in [1, 2, 7, 512, 1000, 1023]:
+ lu = _FakeLU()
+ result = cmdlib._DiskSizeInBytesToMebibytes(lu, i)
+ self.assertEqual(result, 1)
+ self.assertEqual(len(lu.warning_log), 1)
+ self.assertEqual(len(lu.warning_log[0]), 2)
+ (_, (warnsize, )) = lu.warning_log[0]
+ self.assertEqual(warnsize, (1024 * 1024) - i)
+
+ def testEven(self):
+ for i in [1, 2, 7, 512, 1000, 1023]:
+ lu = _FakeLU()
+ result = cmdlib._DiskSizeInBytesToMebibytes(lu, i * 1024 * 1024)
+ self.assertEqual(result, i)
+ self.assertFalse(lu.warning_log)
+
+ def testLargeNumber(self):
+ for i in [1, 2, 7, 512, 1000, 1023, 2724, 12420]:
+ for j in [1, 2, 486, 326, 986, 1023]:
+ lu = _FakeLU()
+ size = (1024 * 1024 * i) + j
+ result = cmdlib._DiskSizeInBytesToMebibytes(lu, size)
+ self.assertEqual(result, i + 1, msg="Amount was not rounded up")
+ self.assertEqual(len(lu.warning_log), 1)
+ self.assertEqual(len(lu.warning_log[0]), 2)
+ (_, (warnsize, )) = lu.warning_log[0]
+ self.assertEqual(warnsize, (1024 * 1024) - j)
+
+
+class TestCopyLockList(unittest.TestCase):
+ def test(self):
+ self.assertEqual(cmdlib._CopyLockList([]), [])
+ self.assertEqual(cmdlib._CopyLockList(None), None)
+ self.assertEqual(cmdlib._CopyLockList(locking.ALL_SET), locking.ALL_SET)
+
+ names = ["foo", "bar"]
+ output = cmdlib._CopyLockList(names)
+ self.assertEqual(names, output)
+ self.assertNotEqual(id(names), id(output), msg="List was not copied")
+
+