mirror of
git://sourceware.org/git/lvm2.git
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919 lines
22 KiB
Python
Executable File
919 lines
22 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2012-2013 Red Hat, Inc. All rights reserved.
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#
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# This file is part of LVM2.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import unittest
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import random
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import string
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import lvm
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import os
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import itertools
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# Set of basic unit tests for the python bindings.
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#
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# *** WARNING ***
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#
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# This test tries to only modify configuration for the list of allowed
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# PVs, but an error in it could potentially cause data loss if run on a
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# production system. Therefore it is strongly advised that this unit test
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# not be run on a system that contains data of value.
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fh = None
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def l(txt):
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if os.environ.get('PY_UNIT_LOG') is not None:
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global fh
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if fh is None:
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fh = open('/tmp/lvm_py_unit_test_' + rs(10), "a")
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fh.write(txt + "\n")
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fh.flush()
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def rs(rand_len=10):
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"""
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Generate a random string
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"""
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return ''.join(random.choice(string.ascii_uppercase)
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for x in range(rand_len))
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def _get_allowed_devices():
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rc = os.environ.get('PY_UNIT_PVS')
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if rc is not None:
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rc = rc.splitlines()
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rc.sort()
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return rc
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def compare_pv(right, left):
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r_name = right.getName()
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l_name = left.getName()
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if r_name > l_name:
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return 1
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elif r_name == l_name:
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return 0
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else:
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return -1
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class AllowedPVS(object):
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"""
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We are only allowed to muck with certain PV, filter to only
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the ones we can use.
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"""
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def __init__(self):
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self.handle = None
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self.pvs_all = None
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def __enter__(self):
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rc = []
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allowed_dev = _get_allowed_devices()
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if allowed_dev:
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self.handle = lvm.listPvs()
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self.pvs_all = self.handle.open()
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for p in self.pvs_all:
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if p.getName() in allowed_dev:
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rc.append(p)
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#Sort them consistently
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rc.sort(compare_pv)
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return rc
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def __exit__(self, t_type, value, traceback):
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if self.handle:
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self.pvs_all = None
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self.handle.close()
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class TestLvm(unittest.TestCase):
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VG_P = os.environ.get('PREFIX')
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@staticmethod
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def _get_pv_device_names():
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rc = []
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with AllowedPVS() as pvs:
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for p in pvs:
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rc.append(p.getName())
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return rc
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@staticmethod
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def _create_thick_lv(device_list, name):
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vg = lvm.vgCreate(TestLvm.VG_P + "_" + name)
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for d in device_list:
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vg.extend(d)
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vg.createLvLinear(name, vg.getSize() / 2)
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vg.close()
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vg = None
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@staticmethod
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def _create_thin_pool(device_list, pool_name):
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vg = lvm.vgCreate(TestLvm.VG_P + "_" + pool_name)
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for d in device_list:
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vg.extend(d)
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vg.createLvThinpool(pool_name, vg.getSize()/2, 0, 0,
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lvm.THIN_DISCARDS_PASSDOWN, 1)
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return vg
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@staticmethod
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def _create_thin_lv(pv_devices, name):
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thin_pool_name = 'thin_vg_pool_' + rs(4)
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vg = TestLvm._create_thin_pool(pv_devices, thin_pool_name)
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vg.createLvThin(thin_pool_name, name, vg.getSize()/8)
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vg.close()
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vg = None
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@staticmethod
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def _vg_names():
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rc = []
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vg_names = lvm.listVgNames()
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for i in vg_names:
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if i[0:len(TestLvm.VG_P)] == TestLvm.VG_P:
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rc.append(i)
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return rc
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@staticmethod
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def _get_lv(lv_vol_type=None, lv_name=None):
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vg_name_list = TestLvm._vg_names()
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for vg_name in vg_name_list:
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vg = lvm.vgOpen(vg_name, "w")
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lvs = vg.listLVs()
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for lv in lvs:
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attr = lv.getAttr()
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if lv_vol_type or lv_name:
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if lv_vol_type is not None and attr[0] == lv_vol_type:
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return lv, vg
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elif lv_name is not None and lv_name == lv.getName():
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return lv, vg
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else:
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return lv, vg
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vg.close()
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return None, None
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@staticmethod
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def _remove_vg(vg_name):
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vg = lvm.vgOpen(vg_name, 'w')
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pvs = vg.listPVs()
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pe_devices = []
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#Remove old snapshots first, then lv
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for lv in vg.listLVs():
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attr = lv.getAttr()
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if attr[0] == 's':
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lv.remove()
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lvs = vg.listLVs()
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#Now remove any thin lVs
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for lv in vg.listLVs():
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attr = lv.getAttr()
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if attr[0] == 'V':
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lv.remove()
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#now remove the rest
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for lv in vg.listLVs():
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name = lv.getName()
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#Don't remove the hidden ones
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if '_tmeta' not in name and '_tdata' not in name:
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lv.remove()
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for p in pvs:
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pe_devices.append(p.getName())
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for pv in pe_devices[:-1]:
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vg.reduce(pv)
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vg.remove()
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vg.close()
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@staticmethod
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def _clean_up():
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#Clear out the testing PVs, but only if they contain stuff
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#this unit test created
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for vg_n in TestLvm._vg_names():
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TestLvm._remove_vg(vg_n)
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for d in TestLvm._get_pv_device_names():
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lvm.pvRemove(d)
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lvm.pvCreate(d)
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def setUp(self):
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device_list = TestLvm._get_pv_device_names()
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#Make sure we have an adequate number of PVs to use
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self.assertTrue(len(device_list) >= 4)
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TestLvm._clean_up()
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def tearDown(self):
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TestLvm._clean_up()
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def test_pv_resize(self):
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with AllowedPVS() as pvs:
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pv = pvs[0]
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curr_size = pv.getSize()
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dev_size = pv.getDevSize()
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self.assertTrue(curr_size == dev_size)
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pv.resize(curr_size/2)
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with AllowedPVS() as pvs:
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pv = pvs[0]
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resized_size = pv.getSize()
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self.assertTrue(resized_size != curr_size)
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pv.resize(dev_size)
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def test_pv_life_cycle(self):
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"""
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Test removing and re-creating a PV
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"""
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target_name = None
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with AllowedPVS() as pvs:
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pv = pvs[0]
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target_name = pv.getName()
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lvm.pvRemove(target_name)
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with AllowedPVS() as pvs:
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for p in pvs:
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self.assertTrue(p.getName() != target_name)
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lvm.pvCreate(target_name, 0)
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with AllowedPVS() as pvs:
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found = False
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for p in pvs:
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if p.getName() == target_name:
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found = True
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self.assertTrue(found)
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@staticmethod
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def test_pv_methods():
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with AllowedPVS() as pvs:
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for p in pvs:
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p.getName()
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p.getUuid()
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p.getMdaCount()
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p.getSize()
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p.getDevSize()
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p.getFree()
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p = None
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def test_version(self):
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version = lvm.getVersion()
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self.assertNotEquals(version, None)
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self.assertEquals(type(version), str)
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self.assertTrue(len(version) > 0)
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def test_pv_getters(self):
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with AllowedPVS() as pvs:
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pv = pvs[0]
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self.assertEqual(type(pv.getName()), str)
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self.assertTrue(len(pv.getName()) > 0)
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self.assertEqual(type(pv.getUuid()), str)
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self.assertTrue(len(pv.getUuid()) > 0)
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self.assertTrue(type(pv.getMdaCount()) == int or
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type(pv.getMdaCount()) == long)
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self.assertTrue(type(pv.getSize()) == int or
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type(pv.getSize()) == long)
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self.assertTrue(type(pv.getDevSize()) == int or
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type(pv.getSize()) == long)
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self.assertTrue(type(pv.getFree()) == int or
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type(pv.getFree()) == long)
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def _test_prop(self, prop_obj, prop, var_type, settable):
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result = prop_obj.getProperty(prop)
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self.assertEqual(type(result[0]), var_type)
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self.assertEqual(type(result[1]), bool)
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self.assertTrue(result[1] == settable)
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def test_pv_segs(self):
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with AllowedPVS() as pvs:
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pv = pvs[0]
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pv_segs = pv.listPVsegs()
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#LVsegs returns a tuple, (value, bool settable)
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#TODO: Test other properties of pv_seg
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for i in pv_segs:
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self._test_prop(i, 'pvseg_start', long, False)
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def test_pv_property(self):
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with AllowedPVS() as pvs:
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pv = pvs[0]
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self._test_prop(pv, 'pv_mda_count', long, False)
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def test_lv_property(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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self._test_prop(lv, 'seg_count', long, False)
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vg.close()
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def test_lv_tags(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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self._test_tags(lv)
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vg.close()
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def test_lv_active_inactive(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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lv.deactivate()
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self.assertTrue(lv.isActive() is False)
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lv.activate()
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self.assertTrue(lv.isActive() is True)
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vg.close()
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def test_lv_rename(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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current_name = lv.getName()
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new_name = rs()
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lv.rename(new_name)
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self.assertEqual(lv.getName(), new_name)
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lv.rename(current_name)
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vg.close()
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def test_lv_snapshot(self):
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thin_lv = 'thin_lv'
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thick_lv = 'thick_lv'
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thin_lv(device_names[0:2], thin_lv)
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TestLvm._create_thick_lv(device_names[2:4], thick_lv)
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lv, vg = TestLvm._get_lv(None, thick_lv)
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# FIXME lv.snapshot('thick_snap_shot', 1024*1024)
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vg.close()
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# FIXME thick_ss, vg = TestLvm._get_lv(None, 'thick_snap_shot')
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# FIXME self.assertTrue(thick_ss is not None)
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# FIXME vg.close()
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thin_lv, vg = TestLvm._get_lv(None, thin_lv)
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thin_lv.snapshot('thin_snap_shot')
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vg.close()
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thin_ss, vg = TestLvm._get_lv(None, 'thin_snap_shot')
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self.assertTrue(thin_ss is not None)
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origin = thin_ss.getOrigin()
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self.assertTrue(thin_lv, origin)
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vg.close()
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def test_lv_suspend(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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result = lv.isSuspended()
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self.assertTrue(type(result) == bool)
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vg.close()
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def test_lv_size(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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result = lv.getSize()
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self.assertTrue(type(result) == int or type(result) == long)
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vg.close()
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def test_lv_resize(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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curr_size = lv.getSize()
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lv.resize(curr_size+(1024*1024))
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latest = lv.getSize()
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self.assertTrue(curr_size != latest)
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def test_lv_seg(self):
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lv_name = 'lv_test'
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TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
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lv, vg = TestLvm._get_lv(None, lv_name)
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lv_segs = lv.listLVsegs()
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#LVsegs returns a tuple, (value, bool settable)
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#TODO: Test other properties of lv_seg
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for i in lv_segs:
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self._test_prop(i, 'seg_start_pe', long, False)
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vg.close()
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def test_get_set_extend_size(self):
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thick_lv = 'get_set_prop'
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thick_lv(device_names[0:2], thick_lv)
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lv, vg = TestLvm._get_lv(None, thick_lv)
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new_extent = 1024 * 1024 * 4
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self.assertFalse(vg.getExtentSize() != new_extent,
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"Cannot determine if it works if they are the same")
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vg.setExtentSize(new_extent)
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self.assertEqual(vg.getExtentSize(), new_extent)
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vg.close()
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def test_vg_get_set_prop(self):
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thick_lv = 'get_set_prop'
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thick_lv(device_names[0:2], thick_lv)
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lv, vg = TestLvm._get_lv(None, thick_lv)
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self.assertTrue(vg is not None)
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if vg:
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vg_mda_copies = vg.getProperty('vg_mda_copies')
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vg.setProperty('vg_mda_copies', vg_mda_copies[0])
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vg.close()
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def test_vg_remove_restore(self):
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#Store off the list of physical devices
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pv_devices = []
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thick_lv = 'get_set_prop'
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thick_lv(device_names[0:2], thick_lv)
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lv, vg = TestLvm._get_lv(None, thick_lv)
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vg_name = vg.getName()
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pvs = vg.listPVs()
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for p in pvs:
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pv_devices.append(p.getName())
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vg.close()
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TestLvm._remove_vg(vg_name)
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self._create_thick_lv(pv_devices, thick_lv)
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def test_vg_names(self):
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vg = lvm.listVgNames()
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self.assertTrue(isinstance(vg, tuple))
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def test_dupe_lv_create(self):
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"""
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Try to create a lv with the same name expecting a failure
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Note: This was causing a seg. fault previously
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"""
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thick_lv = 'dupe_name'
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thick_lv(device_names[0:2], thick_lv)
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lv, vg = TestLvm._get_lv(None, thick_lv)
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self.assertTrue(vg is not None)
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if vg:
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lvs = vg.listLVs()
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if len(lvs):
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lv = lvs[0]
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lv_name = lv.getName()
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self.assertRaises(lvm.LibLVMError, vg.createLvLinear, lv_name,
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lv.getSize())
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vg.close()
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def test_vg_uuids(self):
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device_names = TestLvm._get_pv_device_names()
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TestLvm._create_thin_lv(device_names[0:2], 'thin')
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TestLvm._create_thick_lv(device_names[2:4], 'thick')
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vgs_uuids = lvm.listVgUuids()
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self.assertTrue(len(vgs_uuids) > 0)
|
|
self.assertTrue(isinstance(vgs_uuids, tuple))
|
|
|
|
vgs_uuids = list(vgs_uuids)
|
|
vgs_names = lvm.listVgNames()
|
|
|
|
for vg_name in vgs_names:
|
|
vg = lvm.vgOpen(vg_name, "r")
|
|
|
|
#TODO Write/fix BUG, vg uuid don't match between
|
|
#lvm.listVgUuids and vg.getUuid()
|
|
vg_uuid_search = vg.getUuid().replace('-', '')
|
|
|
|
self.assertTrue(vg_uuid_search in vgs_uuids)
|
|
vgs_uuids.remove(vg_uuid_search)
|
|
vg.close()
|
|
|
|
self.assertTrue(len(vgs_uuids) == 0)
|
|
|
|
def test_pv_lookup_from_vg(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
TestLvm._create_thin_lv(device_names[0:2], 'thin')
|
|
TestLvm._create_thick_lv(device_names[2:4], 'thick')
|
|
|
|
vg_names = TestLvm._vg_names()
|
|
|
|
self.assertTrue(len(vg_names) > 0)
|
|
|
|
for vg_name in vg_names:
|
|
vg = lvm.vgOpen(vg_name, 'w')
|
|
pvs = vg.listPVs()
|
|
|
|
for p in pvs:
|
|
name = p.getName()
|
|
uuid = p.getUuid()
|
|
|
|
pv_name_lookup = vg.pvFromName(name)
|
|
pv_uuid_lookup = vg.pvFromUuid(uuid)
|
|
|
|
self.assertTrue(pv_name_lookup.getName() ==
|
|
pv_uuid_lookup.getName())
|
|
self.assertTrue(pv_name_lookup.getUuid() ==
|
|
pv_uuid_lookup.getUuid())
|
|
|
|
self.assertTrue(name == pv_name_lookup.getName())
|
|
self.assertTrue(uuid == pv_uuid_lookup.getUuid())
|
|
|
|
pv_name_lookup = None
|
|
pv_uuid_lookup = None
|
|
p = None
|
|
|
|
pvs = None
|
|
vg.close()
|
|
|
|
def test_percent_to_float(self):
|
|
self.assertEqual(lvm.percentToFloat(0), 0.0)
|
|
self.assertEqual(lvm.percentToFloat(1000000), 1.0)
|
|
self.assertEqual(lvm.percentToFloat(1000000 / 2), 0.5)
|
|
|
|
def test_scan(self):
|
|
self.assertEqual(lvm.scan(), None)
|
|
|
|
def test_config_reload(self):
|
|
self.assertEqual(lvm.configReload(), None)
|
|
|
|
def test_config_override(self):
|
|
self.assertEquals(lvm.configOverride("global.test = 1"), None)
|
|
|
|
def test_config_find_bool(self):
|
|
either_or = lvm.configFindBool("global/fallback_to_local_locking")
|
|
self.assertTrue(type(either_or) == bool)
|
|
self.assertTrue(lvm.configFindBool("global/locking_type"))
|
|
|
|
def test_vg_from_pv_lookups(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
TestLvm._create_thin_lv(device_names[0:2], 'thin')
|
|
TestLvm._create_thick_lv(device_names[2:4], 'thick')
|
|
|
|
vgname_list = TestLvm._vg_names()
|
|
|
|
self.assertTrue(len(vgname_list) > 0)
|
|
|
|
for vg_name in vgname_list:
|
|
vg = lvm.vgOpen(vg_name, 'r')
|
|
|
|
vg_name = vg.getName()
|
|
|
|
pv_list = vg.listPVs()
|
|
for pv in pv_list:
|
|
vg_name_from_pv = lvm.vgNameFromPvid(pv.getUuid())
|
|
self.assertEquals(vg_name, vg_name_from_pv)
|
|
self.assertEqual(vg_name, lvm.vgNameFromDevice(pv.getName()))
|
|
vg.close()
|
|
|
|
def test_vg_get_name(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
TestLvm._create_thin_lv(device_names[0:2], 'thin')
|
|
TestLvm._create_thick_lv(device_names[2:4], 'thick')
|
|
|
|
vgname_list = TestLvm._vg_names()
|
|
|
|
self.assertTrue(len(vgname_list) > 0)
|
|
|
|
for vg_name in vgname_list:
|
|
vg = lvm.vgOpen(vg_name, 'r')
|
|
self.assertEqual(vg.getName(), vg_name)
|
|
vg.close()
|
|
|
|
def test_vg_get_uuid(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
TestLvm._create_thin_lv(device_names[0:2], 'thin')
|
|
TestLvm._create_thick_lv(device_names[2:4], 'thick')
|
|
|
|
vgname_list = TestLvm._vg_names()
|
|
|
|
self.assertTrue(len(vgname_list) > 0)
|
|
|
|
for vg_name in vgname_list:
|
|
vg = lvm.vgOpen(vg_name, 'r')
|
|
uuid = vg.getUuid()
|
|
self.assertNotEqual(uuid, None)
|
|
self.assertTrue(len(uuid) > 0)
|
|
vg.close()
|
|
|
|
RETURN_NUMERIC = ["getSeqno", "getSize", "getFreeSize", "getFreeSize",
|
|
"getExtentSize", "getExtentCount", "getFreeExtentCount",
|
|
"getPvCount", "getMaxPv", "getMaxLv"]
|
|
|
|
def test_vg_getters(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
TestLvm._create_thin_lv(device_names[0:2], 'thin')
|
|
TestLvm._create_thick_lv(device_names[2:4], 'thick')
|
|
|
|
vg_name_list = TestLvm._vg_names()
|
|
|
|
self.assertTrue(len(vg_name_list) > 0)
|
|
|
|
for vg_name in vg_name_list:
|
|
vg = lvm.vgOpen(vg_name, 'r')
|
|
self.assertTrue(type(vg.isClustered()) == bool)
|
|
self.assertTrue(type(vg.isExported()) == bool)
|
|
self.assertTrue(type(vg.isPartial()) == bool)
|
|
|
|
#Loop through the list invoking the method
|
|
for method_name in TestLvm.RETURN_NUMERIC:
|
|
method = getattr(vg, method_name)
|
|
result = method()
|
|
self.assertTrue(type(result) == int or type(result) == long)
|
|
|
|
vg.close()
|
|
|
|
def _test_tags(self, tag_obj):
|
|
existing_tags = tag_obj.getTags()
|
|
self.assertTrue(type(existing_tags) == tuple)
|
|
|
|
num_tags = random.randint(2, 40)
|
|
created_tags = []
|
|
|
|
for i in range(num_tags):
|
|
tag_name = rs(random.randint(1, 128))
|
|
tag_obj.addTag(tag_name)
|
|
created_tags.append(tag_name)
|
|
|
|
tags = tag_obj.getTags()
|
|
self.assertTrue(len(existing_tags) + len(created_tags) == len(tags))
|
|
|
|
num_remove = len(created_tags)
|
|
|
|
for i in range(num_remove):
|
|
tag_to_remove = created_tags[
|
|
random.randint(0, len(created_tags) - 1)]
|
|
|
|
created_tags.remove(tag_to_remove)
|
|
|
|
tag_obj.removeTag(tag_to_remove)
|
|
|
|
current_tags = tag_obj.getTags()
|
|
self.assertFalse(tag_to_remove in current_tags)
|
|
|
|
current_tags = tag_obj.getTags()
|
|
self.assertTrue(len(current_tags) == len(existing_tags))
|
|
for e in existing_tags:
|
|
self.assertTrue(e in current_tags)
|
|
|
|
def test_vg_tags(self):
|
|
device_names = TestLvm._get_pv_device_names()
|
|
|
|
i = 0
|
|
for d in device_names:
|
|
if i % 2 == 0:
|
|
TestLvm._create_thin_lv([d], "thin_lv%d" % i)
|
|
else:
|
|
TestLvm._create_thick_lv([d], "thick_lv%d" % i)
|
|
i += 1
|
|
|
|
for vg_name in TestLvm._vg_names():
|
|
vg = lvm.vgOpen(vg_name, 'w')
|
|
self._test_tags(vg)
|
|
vg.close()
|
|
|
|
@staticmethod
|
|
def test_listing():
|
|
|
|
env = os.environ
|
|
|
|
for k, v in env.items():
|
|
l("%s:%s" % (k, v))
|
|
|
|
with lvm.listPvs() as pvs:
|
|
for p in pvs:
|
|
l('pv= %s' % p.getName())
|
|
|
|
l('Checking for VG')
|
|
for v in lvm.listVgNames():
|
|
l('vg= %s' % v)
|
|
|
|
def test_pv_empty_listing(self):
|
|
#We had a bug where we would seg. fault if we had no PVs.
|
|
|
|
l('testPVemptylisting entry')
|
|
|
|
device_names = TestLvm._get_pv_device_names()
|
|
|
|
for d in device_names:
|
|
l("Removing %s" % d)
|
|
lvm.pvRemove(d)
|
|
|
|
count = 0
|
|
|
|
with lvm.listPvs() as pvs:
|
|
for p in pvs:
|
|
count += 1
|
|
l('pv= %s' % p.getName())
|
|
|
|
self.assertTrue(count == 0)
|
|
|
|
for d in device_names:
|
|
lvm.pvCreate(d)
|
|
|
|
def test_pv_create(self):
|
|
size = [0, 1024*1024*4]
|
|
pvmeta_copies = [0, 1, 2]
|
|
pvmeta_size = [0, 255, 512, 1024]
|
|
data_alignment = [0, 2048, 4096]
|
|
data_alignment_offset = [1, 1, 1]
|
|
zero = [0, 1]
|
|
|
|
device_names = TestLvm._get_pv_device_names()
|
|
|
|
for d in device_names:
|
|
lvm.pvRemove(d)
|
|
|
|
d = device_names[0]
|
|
|
|
#Test some error cases
|
|
self.assertRaises(TypeError, lvm.pvCreate, None)
|
|
self.assertRaises(lvm.LibLVMError, lvm.pvCreate, '')
|
|
self.assertRaises(lvm.LibLVMError, lvm.pvCreate, d, 4)
|
|
self.assertRaises(lvm.LibLVMError, lvm.pvCreate, d, 0, 4)
|
|
self.assertRaises(lvm.LibLVMError, lvm.pvCreate, d, 0, 0, 0, 2**34)
|
|
self.assertRaises(lvm.LibLVMError, lvm.pvCreate, d, 0, 0, 0, 4096,
|
|
2**34)
|
|
|
|
#Try a number of combinations and permutations
|
|
for s in size:
|
|
lvm.pvCreate(d, s)
|
|
lvm.pvRemove(d)
|
|
for copies in pvmeta_copies:
|
|
lvm.pvCreate(d, s, copies)
|
|
lvm.pvRemove(d)
|
|
for pv_size in pvmeta_size:
|
|
lvm.pvCreate(d, s, copies, pv_size)
|
|
lvm.pvRemove(d)
|
|
for align in data_alignment:
|
|
lvm.pvCreate(d, s, copies, pv_size, align)
|
|
lvm.pvRemove(d)
|
|
for align_offset in data_alignment_offset:
|
|
lvm.pvCreate(d, s, copies, pv_size, align,
|
|
align * align_offset)
|
|
lvm.pvRemove(d)
|
|
for z in zero:
|
|
lvm.pvCreate(d, s, copies, pv_size, align,
|
|
align * align_offset, z)
|
|
lvm.pvRemove(d)
|
|
|
|
#Restore
|
|
for d in device_names:
|
|
lvm.pvCreate(d)
|
|
|
|
def test_vg_reduce(self):
|
|
# Test the case where we try to reduce a vg where the last PV has
|
|
# no metadata copies. In this case the reduce should fail.
|
|
vg_name = TestLvm.VG_P + 'reduce_test'
|
|
|
|
device_names = TestLvm._get_pv_device_names()
|
|
|
|
for d in device_names:
|
|
lvm.pvRemove(d)
|
|
|
|
lvm.pvCreate(device_names[0], 0, 0) # Size all, pvmetadatacopies 0
|
|
lvm.pvCreate(device_names[1])
|
|
lvm.pvCreate(device_names[2])
|
|
lvm.pvCreate(device_names[3])
|
|
|
|
vg = lvm.vgCreate(vg_name)
|
|
|
|
vg.extend(device_names[3])
|
|
vg.extend(device_names[2])
|
|
vg.extend(device_names[1])
|
|
vg.extend(device_names[0])
|
|
vg.close()
|
|
|
|
vg = None
|
|
|
|
vg = lvm.vgOpen(vg_name, 'w')
|
|
|
|
vg.reduce(device_names[3])
|
|
vg.reduce(device_names[2])
|
|
|
|
self.assertRaises(lvm.LibLVMError, vg.reduce, device_names[1])
|
|
|
|
vg.close()
|
|
vg = None
|
|
|
|
vg = lvm.vgOpen(vg_name, 'w')
|
|
vg.remove()
|
|
vg.close()
|
|
|
|
@staticmethod
|
|
def _test_valid_names(method):
|
|
sample = 'azAZ09._-+'
|
|
|
|
method('x' * 127)
|
|
method('.X')
|
|
method('..X')
|
|
|
|
for i in range(1, 7):
|
|
tests = (''.join(i) for i in itertools.product(sample, repeat=i))
|
|
for t in tests:
|
|
if t == '.' or t == '..':
|
|
t += 'X'
|
|
elif t.startswith('-'):
|
|
t = 'H' + t
|
|
method(t)
|
|
|
|
def _test_bad_names(self, method, dupe_name):
|
|
# Test for duplicate name
|
|
self.assertRaises(lvm.LibLVMError, method, dupe_name)
|
|
|
|
# Test for too long a name
|
|
self.assertRaises(lvm.LibLVMError, method, ('x' * 128))
|
|
|
|
# Test empty
|
|
self.assertRaises(lvm.LibLVMError, method, '')
|
|
|
|
# Invalid characters
|
|
self.assertRaises(lvm.LibLVMError, method, '&invalid^char')
|
|
|
|
# Cannot start with .. and no following characters
|
|
self.assertRaises(lvm.LibLVMError, method, '..')
|
|
|
|
# Cannot start with . and no following characters
|
|
self.assertRaises(lvm.LibLVMError, method, '.')
|
|
|
|
# Cannot start with a hyphen
|
|
self.assertRaises(lvm.LibLVMError, method, '-not_good')
|
|
|
|
def _lv_reserved_names(self, method):
|
|
prefixes = ['snapshot', 'pvmove']
|
|
reserved = ['_mlog', '_mimage', '_pmspare', '_rimage', '_rmeta',
|
|
'_vorigin', '_tdata', '_tmeta']
|
|
|
|
for p in prefixes:
|
|
self.assertRaises(lvm.LibLVMError, method, p + rs(3))
|
|
|
|
for r in reserved:
|
|
self.assertRaises(lvm.LibLVMError, method, rs(3) + r + rs(1))
|
|
self.assertRaises(lvm.LibLVMError, method, r + rs(1))
|
|
|
|
def test_vg_lv_name_validate(self):
|
|
lv_name = 'vg_lv_name_validate'
|
|
TestLvm._create_thin_lv(TestLvm._get_pv_device_names(), lv_name)
|
|
lv, vg = TestLvm._get_lv(None, lv_name)
|
|
|
|
self._test_bad_names(lvm.vgNameValidate, vg.getName())
|
|
self._test_bad_names(vg.lvNameValidate, lv.getName())
|
|
|
|
# Test good values
|
|
TestLvm._test_valid_names(lvm.vgNameValidate)
|
|
TestLvm._test_valid_names(vg.lvNameValidate)
|
|
self._lv_reserved_names(vg.lvNameValidate)
|
|
|
|
vg.close()
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|