root / test / py / ganeti.bdev_unittest.py @ 00ef625c
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2010, 2012, 2013 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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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
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for unittesting the bdev module"""
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import os |
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import random |
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import unittest |
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from ganeti import bdev |
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from ganeti import compat |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import objects |
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from ganeti import utils |
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import testutils |
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class TestBaseDRBD(testutils.GanetiTestCase): |
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def testGetVersion(self): |
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data = [ |
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["version: 8.0.12 (api:76/proto:86-91)"],
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["version: 8.2.7 (api:88/proto:0-100)"],
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["version: 8.3.7.49 (api:188/proto:13-191)"],
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] |
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result = [ |
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{
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"k_major": 8, |
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"k_minor": 0, |
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"k_point": 12, |
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"api": 76, |
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"proto": 86, |
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"proto2": "91", |
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}, |
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{
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"k_major": 8, |
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"k_minor": 2, |
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"k_point": 7, |
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"api": 88, |
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"proto": 0, |
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"proto2": "100", |
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}, |
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{
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"k_major": 8, |
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"k_minor": 3, |
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"k_point": 7, |
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"api": 188, |
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"proto": 13, |
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"proto2": "191", |
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} |
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] |
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for d,r in zip(data, result): |
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self.assertEqual(bdev.BaseDRBD._GetVersion(d), r)
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class TestDRBD8Runner(testutils.GanetiTestCase): |
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"""Testing case for DRBD8"""
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@staticmethod
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def _has_disk(data, dname, mname): |
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"""Check local disk corectness"""
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retval = ( |
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"local_dev" in data and |
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data["local_dev"] == dname and |
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"meta_dev" in data and |
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data["meta_dev"] == mname and |
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"meta_index" in data and |
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data["meta_index"] == 0 |
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) |
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return retval
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@staticmethod
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def _has_net(data, local, remote): |
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"""Check network connection parameters"""
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retval = ( |
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"local_addr" in data and |
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data["local_addr"] == local and |
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"remote_addr" in data and |
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data["remote_addr"] == remote
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) |
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return retval
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def testParserCreation(self): |
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"""Test drbdsetup show parser creation"""
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bdev.DRBD8._GetShowParser() |
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def testParser80(self): |
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"""Test drbdsetup show parser for disk and network version 8.0"""
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data = testutils.ReadTestData("bdev-drbd-8.0.txt")
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result = bdev.DRBD8._GetDevInfo(data) |
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self.failUnless(self._has_disk(result, "/dev/xenvg/test.data", |
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"/dev/xenvg/test.meta"),
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"Wrong local disk info")
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self.failUnless(self._has_net(result, ("192.0.2.1", 11000), |
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("192.0.2.2", 11000)), |
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"Wrong network info (8.0.x)")
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def testParser83(self): |
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"""Test drbdsetup show parser for disk and network version 8.3"""
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data = testutils.ReadTestData("bdev-drbd-8.3.txt")
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result = bdev.DRBD8._GetDevInfo(data) |
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self.failUnless(self._has_disk(result, "/dev/xenvg/test.data", |
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"/dev/xenvg/test.meta"),
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"Wrong local disk info")
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self.failUnless(self._has_net(result, ("192.0.2.1", 11000), |
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("192.0.2.2", 11000)), |
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"Wrong network info (8.0.x)")
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def testParserNetIP4(self): |
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"""Test drbdsetup show parser for IPv4 network"""
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data = testutils.ReadTestData("bdev-drbd-net-ip4.txt")
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result = bdev.DRBD8._GetDevInfo(data) |
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self.failUnless(("local_dev" not in result and |
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"meta_dev" not in result and |
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"meta_index" not in result), |
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"Should not find local disk info")
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self.failUnless(self._has_net(result, ("192.0.2.1", 11002), |
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("192.0.2.2", 11002)), |
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"Wrong network info (IPv4)")
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def testParserNetIP6(self): |
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"""Test drbdsetup show parser for IPv6 network"""
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data = testutils.ReadTestData("bdev-drbd-net-ip6.txt")
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result = bdev.DRBD8._GetDevInfo(data) |
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self.failUnless(("local_dev" not in result and |
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"meta_dev" not in result and |
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"meta_index" not in result), |
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"Should not find local disk info")
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self.failUnless(self._has_net(result, ("2001:db8:65::1", 11048), |
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("2001:db8:66::1", 11048)), |
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"Wrong network info (IPv6)")
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def testParserDisk(self): |
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"""Test drbdsetup show parser for disk"""
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data = testutils.ReadTestData("bdev-drbd-disk.txt")
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result = bdev.DRBD8._GetDevInfo(data) |
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self.failUnless(self._has_disk(result, "/dev/xenvg/test.data", |
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"/dev/xenvg/test.meta"),
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"Wrong local disk info")
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self.failUnless(("local_addr" not in result and |
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"remote_addr" not in result), |
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"Should not find network info")
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def testBarriersOptions(self): |
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"""Test class method that generates drbdsetup options for disk barriers"""
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# Tests that should fail because of wrong version/options combinations
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should_fail = [ |
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(8, 0, 12, "bfd", True), |
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(8, 0, 12, "fd", False), |
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(8, 0, 12, "b", True), |
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(8, 2, 7, "bfd", True), |
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(8, 2, 7, "b", True) |
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] |
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for vmaj, vmin, vrel, opts, meta in should_fail: |
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self.assertRaises(errors.BlockDeviceError,
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bdev.DRBD8._ComputeDiskBarrierArgs, |
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vmaj, vmin, vrel, opts, meta) |
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# get the valid options from the frozenset(frozenset()) in constants.
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valid_options = [list(x)[0] for x in constants.DRBD_VALID_BARRIER_OPT] |
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# Versions that do not support anything
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for vmaj, vmin, vrel in ((8, 0, 0), (8, 0, 11), (8, 2, 6)): |
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for opts in valid_options: |
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self.assertRaises(errors.BlockDeviceError,
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bdev.DRBD8._ComputeDiskBarrierArgs, |
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vmaj, vmin, vrel, opts, True)
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# Versions with partial support (testing only options that are supported)
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tests = [ |
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(8, 0, 12, "n", False, []), |
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(8, 0, 12, "n", True, ["--no-md-flushes"]), |
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(8, 2, 7, "n", False, []), |
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(8, 2, 7, "fd", False, ["--no-disk-flushes", "--no-disk-drain"]), |
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(8, 0, 12, "n", True, ["--no-md-flushes"]), |
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] |
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# Versions that support everything
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for vmaj, vmin, vrel in ((8, 3, 0), (8, 3, 12)): |
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tests.append((vmaj, vmin, vrel, "bfd", True, |
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["--no-disk-barrier", "--no-disk-drain", |
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"--no-disk-flushes", "--no-md-flushes"])) |
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tests.append((vmaj, vmin, vrel, "n", False, [])) |
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tests.append((vmaj, vmin, vrel, "b", True, |
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["--no-disk-barrier", "--no-md-flushes"])) |
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tests.append((vmaj, vmin, vrel, "fd", False, |
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["--no-disk-flushes", "--no-disk-drain"])) |
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tests.append((vmaj, vmin, vrel, "n", True, ["--no-md-flushes"])) |
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# Test execution
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for test in tests: |
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vmaj, vmin, vrel, disabled_barriers, disable_meta_flush, expected = test |
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args = \ |
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bdev.DRBD8._ComputeDiskBarrierArgs(vmaj, vmin, vrel, |
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disabled_barriers, |
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disable_meta_flush) |
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self.failUnless(set(args) == set(expected), |
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"For test %s, got wrong results %s" % (test, args))
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# Unsupported or invalid versions
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for vmaj, vmin, vrel in ((0, 7, 25), (9, 0, 0), (7, 0, 0), (8, 4, 0)): |
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self.assertRaises(errors.BlockDeviceError,
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bdev.DRBD8._ComputeDiskBarrierArgs, |
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vmaj, vmin, vrel, "n", True) |
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# Invalid options
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for option in ("", "c", "whatever", "nbdfc", "nf"): |
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self.assertRaises(errors.BlockDeviceError,
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bdev.DRBD8._ComputeDiskBarrierArgs, |
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8, 3, 11, option, True) |
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class TestDRBD8Status(testutils.GanetiTestCase): |
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"""Testing case for DRBD8 /proc status"""
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def setUp(self): |
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"""Read in txt data"""
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testutils.GanetiTestCase.setUp(self)
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proc_data = testutils.TestDataFilename("proc_drbd8.txt")
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proc80e_data = testutils.TestDataFilename("proc_drbd80-emptyline.txt")
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proc83_data = testutils.TestDataFilename("proc_drbd83.txt")
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proc83_sync_data = testutils.TestDataFilename("proc_drbd83_sync.txt")
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proc83_sync_krnl_data = \ |
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testutils.TestDataFilename("proc_drbd83_sync_krnl2.6.39.txt")
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self.proc_data = bdev.DRBD8._GetProcData(filename=proc_data)
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self.proc80e_data = bdev.DRBD8._GetProcData(filename=proc80e_data)
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self.proc83_data = bdev.DRBD8._GetProcData(filename=proc83_data)
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self.proc83_sync_data = bdev.DRBD8._GetProcData(filename=proc83_sync_data)
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self.proc83_sync_krnl_data = \
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bdev.DRBD8._GetProcData(filename=proc83_sync_krnl_data) |
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self.mass_data = bdev.DRBD8._MassageProcData(self.proc_data) |
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self.mass80e_data = bdev.DRBD8._MassageProcData(self.proc80e_data) |
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self.mass83_data = bdev.DRBD8._MassageProcData(self.proc83_data) |
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self.mass83_sync_data = bdev.DRBD8._MassageProcData(self.proc83_sync_data) |
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self.mass83_sync_krnl_data = \
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bdev.DRBD8._MassageProcData(self.proc83_sync_krnl_data)
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def testIOErrors(self): |
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"""Test handling of errors while reading the proc file."""
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temp_file = self._CreateTempFile()
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os.unlink(temp_file) |
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self.failUnlessRaises(errors.BlockDeviceError,
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bdev.DRBD8._GetProcData, filename=temp_file) |
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def testHelper(self): |
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"""Test reading usermode_helper in /sys."""
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sys_drbd_helper = testutils.TestDataFilename("sys_drbd_usermode_helper.txt")
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drbd_helper = bdev.DRBD8.GetUsermodeHelper(filename=sys_drbd_helper) |
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self.failUnlessEqual(drbd_helper, "/bin/true") |
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def testHelperIOErrors(self): |
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"""Test handling of errors while reading usermode_helper in /sys."""
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temp_file = self._CreateTempFile()
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os.unlink(temp_file) |
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self.failUnlessRaises(errors.BlockDeviceError,
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bdev.DRBD8.GetUsermodeHelper, filename=temp_file) |
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def testMinorNotFound(self): |
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"""Test not-found-minor in /proc"""
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self.failUnless(9 not in self.mass_data) |
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self.failUnless(9 not in self.mass83_data) |
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self.failUnless(3 not in self.mass80e_data) |
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def testLineNotMatch(self): |
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"""Test wrong line passed to DRBD8Status"""
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self.assertRaises(errors.BlockDeviceError, bdev.DRBD8Status, "foo") |
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def testMinor0(self): |
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"""Test connected, primary device"""
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for data in [self.mass_data, self.mass83_data]: |
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stats = bdev.DRBD8Status(data[0])
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self.failUnless(stats.is_in_use)
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self.failUnless(stats.is_connected and stats.is_primary and |
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stats.peer_secondary and stats.is_disk_uptodate)
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def testMinor1(self): |
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"""Test connected, secondary device"""
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for data in [self.mass_data, self.mass83_data]: |
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stats = bdev.DRBD8Status(data[1])
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self.failUnless(stats.is_in_use)
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self.failUnless(stats.is_connected and stats.is_secondary and |
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stats.peer_primary and stats.is_disk_uptodate)
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def testMinor2(self): |
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"""Test unconfigured device"""
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for data in [self.mass_data, self.mass83_data, self.mass80e_data]: |
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stats = bdev.DRBD8Status(data[2])
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self.failIf(stats.is_in_use)
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def testMinor4(self): |
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"""Test WFconn device"""
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for data in [self.mass_data, self.mass83_data]: |
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stats = bdev.DRBD8Status(data[4])
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self.failUnless(stats.is_in_use)
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self.failUnless(stats.is_wfconn and stats.is_primary and |
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stats.rrole == "Unknown" and |
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stats.is_disk_uptodate) |
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def testMinor6(self): |
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"""Test diskless device"""
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for data in [self.mass_data, self.mass83_data]: |
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stats = bdev.DRBD8Status(data[6])
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self.failUnless(stats.is_in_use)
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self.failUnless(stats.is_connected and stats.is_secondary and |
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stats.peer_primary and stats.is_diskless)
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def testMinor8(self): |
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"""Test standalone device"""
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for data in [self.mass_data, self.mass83_data]: |
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stats = bdev.DRBD8Status(data[8])
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self.failUnless(stats.is_in_use)
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self.failUnless(stats.is_standalone and |
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stats.rrole == "Unknown" and |
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stats.is_disk_uptodate) |
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def testDRBD83SyncFine(self): |
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stats = bdev.DRBD8Status(self.mass83_sync_data[3]) |
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self.failUnless(stats.is_in_resync)
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self.failUnless(stats.sync_percent is not None) |
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def testDRBD83SyncBroken(self): |
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stats = bdev.DRBD8Status(self.mass83_sync_krnl_data[3]) |
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self.failUnless(stats.is_in_resync)
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self.failUnless(stats.sync_percent is not None) |
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class TestRADOSBlockDevice(testutils.GanetiTestCase): |
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def test_ParseRbdShowmappedOutput(self): |
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volume_name = "abc9778-8e8ace5b.rbd.disk0"
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output_ok = \ |
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("0\trbd\te69f28e5-9817.rbd.disk0\t-\t/dev/rbd0\n"
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"1\t/dev/rbd0\tabc9778-8e8ace5b.rbd.disk0\t-\t/dev/rbd16\n"
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"line\twith\tfewer\tfields\n"
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"")
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output_empty = ""
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output_no_matches = \ |
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("0\trbd\te69f28e5-9817.rbd.disk0\t-\t/dev/rbd0\n"
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"1\trbd\tabcdef01-9817.rbd.disk0\t-\t/dev/rbd10\n"
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"2\trbd\tcdef0123-9817.rbd.disk0\t-\t/dev/rbd12\n"
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"something\twith\tfewer\tfields"
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"")
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output_extra_matches = \ |
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("0\t/dev/rbd0\tabc9778-8e8ace5b.rbd.disk0\t-\t/dev/rbd11\n"
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"1\trbd\te69f28e5-9817.rbd.disk0\t-\t/dev/rbd0\n"
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"2\t/dev/rbd0\tabc9778-8e8ace5b.rbd.disk0\t-\t/dev/rbd16\n"
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"something\twith\tfewer\tfields"
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"")
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parse_function = bdev.RADOSBlockDevice._ParseRbdShowmappedOutput |
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self.assertEqual(parse_function(output_ok, volume_name), "/dev/rbd16") |
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self.assertRaises(errors.BlockDeviceError, parse_function,
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output_empty, volume_name) |
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self.assertEqual(parse_function(output_no_matches, volume_name), None) |
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self.assertRaises(errors.BlockDeviceError, parse_function,
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output_extra_matches, volume_name) |
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class TestComputeWrongFileStoragePathsInternal(unittest.TestCase): |
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def testPaths(self): |
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paths = bdev._GetForbiddenFileStoragePaths() |
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for path in ["/bin", "/usr/local/sbin", "/lib64", "/etc", "/sys"]: |
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self.assertTrue(path in paths) |
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self.assertEqual(set(map(os.path.normpath, paths)), paths) |
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def test(self): |
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vfsp = bdev._ComputeWrongFileStoragePaths |
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self.assertEqual(vfsp([]), [])
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self.assertEqual(vfsp(["/tmp"]), []) |
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self.assertEqual(vfsp(["/bin/ls"]), ["/bin/ls"]) |
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self.assertEqual(vfsp(["/bin"]), ["/bin"]) |
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self.assertEqual(vfsp(["/usr/sbin/vim", "/srv/file-storage"]), |
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["/usr/sbin/vim"])
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|
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class TestComputeWrongFileStoragePaths(testutils.GanetiTestCase): |
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def test(self): |
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tmpfile = self._CreateTempFile()
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utils.WriteFile(tmpfile, data="""
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/tmp
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x/y///z/relative
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# This is a test file
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/srv/storage
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/bin
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/usr/local/lib32/
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relative/path
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""")
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self.assertEqual(bdev.ComputeWrongFileStoragePaths(_filename=tmpfile), [
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"/bin",
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"/usr/local/lib32",
|
| 415 |
"relative/path",
|
| 416 |
"x/y/z/relative",
|
| 417 |
]) |
| 418 |
|
| 419 |
|
| 420 |
class TestCheckFileStoragePathInternal(unittest.TestCase): |
| 421 |
def testNonAbsolute(self): |
| 422 |
for i in ["", "tmp", "foo/bar/baz"]: |
| 423 |
self.assertRaises(errors.FileStoragePathError,
|
| 424 |
bdev._CheckFileStoragePath, i, ["/tmp"])
|
| 425 |
|
| 426 |
self.assertRaises(errors.FileStoragePathError,
|
| 427 |
bdev._CheckFileStoragePath, "/tmp", ["tmp", "xyz"]) |
| 428 |
|
| 429 |
def testNoAllowed(self): |
| 430 |
self.assertRaises(errors.FileStoragePathError,
|
| 431 |
bdev._CheckFileStoragePath, "/tmp", [])
|
| 432 |
|
| 433 |
def testNoAdditionalPathComponent(self): |
| 434 |
self.assertRaises(errors.FileStoragePathError,
|
| 435 |
bdev._CheckFileStoragePath, "/tmp/foo", ["/tmp/foo"]) |
| 436 |
|
| 437 |
def testAllowed(self): |
| 438 |
bdev._CheckFileStoragePath("/tmp/foo/a", ["/tmp/foo"]) |
| 439 |
bdev._CheckFileStoragePath("/tmp/foo/a/x", ["/tmp/foo"]) |
| 440 |
|
| 441 |
|
| 442 |
class TestCheckFileStoragePath(testutils.GanetiTestCase): |
| 443 |
def testNonExistantFile(self): |
| 444 |
filename = "/tmp/this/file/does/not/exist"
|
| 445 |
assert not os.path.exists(filename) |
| 446 |
self.assertRaises(errors.FileStoragePathError,
|
| 447 |
bdev.CheckFileStoragePath, "/bin/", _filename=filename)
|
| 448 |
self.assertRaises(errors.FileStoragePathError,
|
| 449 |
bdev.CheckFileStoragePath, "/srv/file-storage",
|
| 450 |
_filename=filename) |
| 451 |
|
| 452 |
def testAllowedPath(self): |
| 453 |
tmpfile = self._CreateTempFile()
|
| 454 |
|
| 455 |
utils.WriteFile(tmpfile, data="""
|
| 456 |
/srv/storage
|
| 457 |
""")
|
| 458 |
|
| 459 |
bdev.CheckFileStoragePath("/srv/storage/inst1", _filename=tmpfile)
|
| 460 |
|
| 461 |
# No additional path component
|
| 462 |
self.assertRaises(errors.FileStoragePathError,
|
| 463 |
bdev.CheckFileStoragePath, "/srv/storage",
|
| 464 |
_filename=tmpfile) |
| 465 |
|
| 466 |
# Forbidden path
|
| 467 |
self.assertRaises(errors.FileStoragePathError,
|
| 468 |
bdev.CheckFileStoragePath, "/usr/lib64/xyz",
|
| 469 |
_filename=tmpfile) |
| 470 |
|
| 471 |
|
| 472 |
class TestLoadAllowedFileStoragePaths(testutils.GanetiTestCase): |
| 473 |
def testDevNull(self): |
| 474 |
self.assertEqual(bdev._LoadAllowedFileStoragePaths("/dev/null"), []) |
| 475 |
|
| 476 |
def testNonExistantFile(self): |
| 477 |
filename = "/tmp/this/file/does/not/exist"
|
| 478 |
assert not os.path.exists(filename) |
| 479 |
self.assertEqual(bdev._LoadAllowedFileStoragePaths(filename), [])
|
| 480 |
|
| 481 |
def test(self): |
| 482 |
tmpfile = self._CreateTempFile()
|
| 483 |
|
| 484 |
utils.WriteFile(tmpfile, data="""
|
| 485 |
# This is a test file
|
| 486 |
/tmp
|
| 487 |
/srv/storage
|
| 488 |
relative/path
|
| 489 |
""")
|
| 490 |
|
| 491 |
self.assertEqual(bdev._LoadAllowedFileStoragePaths(tmpfile), [
|
| 492 |
"/tmp",
|
| 493 |
"/srv/storage",
|
| 494 |
"relative/path",
|
| 495 |
]) |
| 496 |
|
| 497 |
|
| 498 |
class TestExclusiveStoragePvs(unittest.TestCase): |
| 499 |
"""Test cases for functions dealing with LVM PV and exclusive storage"""
|
| 500 |
# Allowance for rounding
|
| 501 |
_EPS = 1e-4
|
| 502 |
_MARGIN = constants.PART_MARGIN + constants.PART_RESERVED + _EPS |
| 503 |
|
| 504 |
@staticmethod
|
| 505 |
def _GenerateRandomPvInfo(rnd, name, vg): |
| 506 |
# Granularity is .01 MiB
|
| 507 |
size = rnd.randint(1024 * 100, 10 * 1024 * 1024 * 100) |
| 508 |
if rnd.choice([False, True]): |
| 509 |
free = float(rnd.randint(0, size)) / 100.0 |
| 510 |
else:
|
| 511 |
free = float(size) / 100.0 |
| 512 |
size = float(size) / 100.0 |
| 513 |
attr = "a-"
|
| 514 |
return objects.LvmPvInfo(name=name, vg_name=vg, size=size, free=free,
|
| 515 |
attributes=attr) |
| 516 |
|
| 517 |
def testGetStdPvSize(self): |
| 518 |
"""Test cases for bdev.LogicalVolume._GetStdPvSize()"""
|
| 519 |
rnd = random.Random(9517)
|
| 520 |
for _ in range(0, 50): |
| 521 |
# Identical volumes
|
| 522 |
pvi = self._GenerateRandomPvInfo(rnd, "disk", "myvg") |
| 523 |
onesize = bdev.LogicalVolume._GetStdPvSize([pvi]) |
| 524 |
self.assertTrue(onesize <= pvi.size)
|
| 525 |
self.assertTrue(onesize > pvi.size * (1 - self._MARGIN)) |
| 526 |
for length in range(2, 10): |
| 527 |
n_size = bdev.LogicalVolume._GetStdPvSize([pvi] * length) |
| 528 |
self.assertEqual(onesize, n_size)
|
| 529 |
|
| 530 |
# Mixed volumes
|
| 531 |
for length in range(1, 10): |
| 532 |
pvlist = [self._GenerateRandomPvInfo(rnd, "disk", "myvg") |
| 533 |
for _ in range(0, length)] |
| 534 |
std_size = bdev.LogicalVolume._GetStdPvSize(pvlist) |
| 535 |
self.assertTrue(compat.all(std_size <= pvi.size for pvi in pvlist)) |
| 536 |
self.assertTrue(compat.any(std_size > pvi.size * (1 - self._MARGIN) |
| 537 |
for pvi in pvlist)) |
| 538 |
pvlist.append(pvlist[0])
|
| 539 |
p1_size = bdev.LogicalVolume._GetStdPvSize(pvlist) |
| 540 |
self.assertEqual(std_size, p1_size)
|
| 541 |
|
| 542 |
def testComputeNumPvs(self): |
| 543 |
"""Test cases for bdev.LogicalVolume._ComputeNumPvs()"""
|
| 544 |
rnd = random.Random(8067)
|
| 545 |
for _ in range(0, 1000): |
| 546 |
pvlist = [self._GenerateRandomPvInfo(rnd, "disk", "myvg")] |
| 547 |
lv_size = float(rnd.randint(10 * 100, 1024 * 1024 * 100)) / 100.0 |
| 548 |
num_pv = bdev.LogicalVolume._ComputeNumPvs(lv_size, pvlist) |
| 549 |
std_size = bdev.LogicalVolume._GetStdPvSize(pvlist) |
| 550 |
self.assertTrue(num_pv >= 1) |
| 551 |
self.assertTrue(num_pv * std_size >= lv_size)
|
| 552 |
self.assertTrue((num_pv - 1) * std_size < lv_size * (1 + self._EPS)) |
| 553 |
|
| 554 |
def testGetEmptyPvNames(self): |
| 555 |
"""Test cases for bdev.LogicalVolume._GetEmptyPvNames()"""
|
| 556 |
rnd = random.Random(21126)
|
| 557 |
for _ in range(0, 100): |
| 558 |
num_pvs = rnd.randint(1, 20) |
| 559 |
pvlist = [self._GenerateRandomPvInfo(rnd, "disk%d" % n, "myvg") |
| 560 |
for n in range(0, num_pvs)] |
| 561 |
for num_req in range(1, num_pvs + 2): |
| 562 |
epvs = bdev.LogicalVolume._GetEmptyPvNames(pvlist, num_req) |
| 563 |
epvs_set = compat.UniqueFrozenset(epvs) |
| 564 |
if len(epvs) > 1: |
| 565 |
self.assertEqual(len(epvs), len(epvs_set)) |
| 566 |
for pvi in pvlist: |
| 567 |
if pvi.name in epvs_set: |
| 568 |
self.assertEqual(pvi.size, pvi.free)
|
| 569 |
else:
|
| 570 |
# There should be no remaining empty PV when less than the
|
| 571 |
# requeste number of PVs has been returned
|
| 572 |
self.assertTrue(len(epvs) == num_req or pvi.free != pvi.size) |
| 573 |
|
| 574 |
|
| 575 |
if __name__ == "__main__": |
| 576 |
testutils.GanetiTestProgram() |