root / test / py / ganeti.backend_unittest.py @ a9f33339
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#!/usr/bin/python
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#
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# Copyright (C) 2010, 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 testing ganeti.backend"""
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import mock |
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import os |
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import shutil |
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import tempfile |
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import testutils |
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import unittest |
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from ganeti import backend |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import hypervisor |
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from ganeti import netutils |
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from ganeti import objects |
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from ganeti import utils |
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class TestX509Certificates(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def test(self): |
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(name, cert_pem) = backend.CreateX509Certificate(300, cryptodir=self.tmpdir) |
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self.assertEqual(utils.ReadFile(os.path.join(self.tmpdir, name, |
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backend._X509_CERT_FILE)), |
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cert_pem) |
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self.assert_(0 < os.path.getsize(os.path.join(self.tmpdir, name, |
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backend._X509_KEY_FILE))) |
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(name2, cert_pem2) = \ |
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backend.CreateX509Certificate(300, cryptodir=self.tmpdir) |
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backend.RemoveX509Certificate(name, cryptodir=self.tmpdir)
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backend.RemoveX509Certificate(name2, cryptodir=self.tmpdir)
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self.assertEqual(utils.ListVisibleFiles(self.tmpdir), []) |
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def testNonEmpty(self): |
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(name, _) = backend.CreateX509Certificate(300, cryptodir=self.tmpdir) |
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utils.WriteFile(utils.PathJoin(self.tmpdir, name, "hello-world"), |
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data="Hello World")
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self.assertRaises(backend.RPCFail, backend.RemoveX509Certificate,
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name, cryptodir=self.tmpdir)
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self.assertEqual(utils.ListVisibleFiles(self.tmpdir), [name]) |
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class TestNodeVerify(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self._mock_hv = None |
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def _GetHypervisor(self, hv_name): |
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self._mock_hv = hypervisor.GetHypervisor(hv_name)
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self._mock_hv.ValidateParameters = mock.Mock()
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self._mock_hv.Verify = mock.Mock()
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return self._mock_hv |
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def testMasterIPLocalhost(self): |
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# this a real functional test, but requires localhost to be reachable
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local_data = (netutils.Hostname.GetSysName(), |
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constants.IP4_ADDRESS_LOCALHOST) |
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result = backend.VerifyNode({constants.NV_MASTERIP: local_data}, None, {}, {}, {})
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self.failUnless(constants.NV_MASTERIP in result, |
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"Master IP data not returned")
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self.failUnless(result[constants.NV_MASTERIP], "Cannot reach localhost") |
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def testMasterIPUnreachable(self): |
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# Network 192.0.2.0/24 is reserved for test/documentation as per
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# RFC 5737
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bad_data = ("master.example.com", "192.0.2.1") |
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# we just test that whatever TcpPing returns, VerifyNode returns too
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netutils.TcpPing = lambda a, b, source=None: False |
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result = backend.VerifyNode({constants.NV_MASTERIP: bad_data}, None, {}, {}, {})
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self.failUnless(constants.NV_MASTERIP in result, |
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"Master IP data not returned")
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self.failIf(result[constants.NV_MASTERIP],
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"Result from netutils.TcpPing corrupted")
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def testVerifyHvparams(self): |
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test_hvparams = {constants.HV_XEN_CMD: constants.XEN_CMD_XL} |
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test_what = {constants.NV_HVPARAMS: \ |
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[("mynode", constants.HT_XEN_PVM, test_hvparams)]}
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result = {} |
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backend._VerifyHvparams(test_what, True, result,
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get_hv_fn=self._GetHypervisor)
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self._mock_hv.ValidateParameters.assert_called_with(test_hvparams)
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def testVerifyHypervisors(self): |
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hvname = constants.HT_XEN_PVM |
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hvparams = {constants.HV_XEN_CMD: constants.XEN_CMD_XL} |
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all_hvparams = {hvname: hvparams} |
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test_what = {constants.NV_HYPERVISOR: [hvname]} |
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result = {} |
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backend._VerifyHypervisors( |
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test_what, True, result, all_hvparams=all_hvparams,
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get_hv_fn=self._GetHypervisor)
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self._mock_hv.Verify.assert_called_with(hvparams=hvparams)
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def _DefRestrictedCmdOwner(): |
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return (os.getuid(), os.getgid())
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class TestVerifyRestrictedCmdName(unittest.TestCase): |
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def testAcceptableName(self): |
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for i in ["foo", "bar", "z1", "000first", "hello-world"]: |
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for fn in [lambda s: s, lambda s: s.upper(), lambda s: s.title()]: |
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(status, msg) = backend._VerifyRestrictedCmdName(fn(i)) |
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self.assertTrue(status)
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self.assertTrue(msg is None) |
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def testEmptyAndSpace(self): |
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for i in ["", " ", "\t", "\n"]: |
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(status, msg) = backend._VerifyRestrictedCmdName(i) |
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self.assertFalse(status)
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self.assertEqual(msg, "Missing command name") |
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def testNameWithSlashes(self): |
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for i in ["/", "./foo", "../moo", "some/name"]: |
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(status, msg) = backend._VerifyRestrictedCmdName(i) |
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self.assertFalse(status)
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self.assertEqual(msg, "Invalid command name") |
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def testForbiddenCharacters(self): |
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for i in ["#", ".", "..", "bash -c ls", "'"]: |
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(status, msg) = backend._VerifyRestrictedCmdName(i) |
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self.assertFalse(status)
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self.assertEqual(msg, "Command name contains forbidden characters") |
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class TestVerifyRestrictedCmdDirectory(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testCanNotStat(self): |
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tmpname = utils.PathJoin(self.tmpdir, "foobar") |
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self.assertFalse(os.path.exists(tmpname))
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(status, msg) = \ |
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backend._VerifyRestrictedCmdDirectory(tmpname, _owner=NotImplemented)
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self.assertFalse(status)
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self.assertTrue(msg.startswith("Can't stat(2) '")) |
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def testTooPermissive(self): |
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tmpname = utils.PathJoin(self.tmpdir, "foobar") |
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os.mkdir(tmpname) |
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for mode in [0777, 0706, 0760, 0722]: |
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os.chmod(tmpname, mode) |
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self.assertTrue(os.path.isdir(tmpname))
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(status, msg) = \ |
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backend._VerifyRestrictedCmdDirectory(tmpname, _owner=NotImplemented)
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self.assertFalse(status)
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self.assertTrue(msg.startswith("Permissions on '")) |
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def testNoDirectory(self): |
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tmpname = utils.PathJoin(self.tmpdir, "foobar") |
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utils.WriteFile(tmpname, data="empty\n")
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self.assertTrue(os.path.isfile(tmpname))
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(status, msg) = \ |
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backend._VerifyRestrictedCmdDirectory(tmpname, |
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_owner=_DefRestrictedCmdOwner()) |
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self.assertFalse(status)
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self.assertTrue(msg.endswith("is not a directory")) |
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def testNormal(self): |
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tmpname = utils.PathJoin(self.tmpdir, "foobar") |
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os.mkdir(tmpname) |
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os.chmod(tmpname, 0755)
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self.assertTrue(os.path.isdir(tmpname))
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(status, msg) = \ |
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backend._VerifyRestrictedCmdDirectory(tmpname, |
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_owner=_DefRestrictedCmdOwner()) |
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self.assertTrue(status)
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self.assertTrue(msg is None) |
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class TestVerifyRestrictedCmd(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testCanNotStat(self): |
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tmpname = utils.PathJoin(self.tmpdir, "helloworld") |
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self.assertFalse(os.path.exists(tmpname))
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(status, msg) = \ |
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backend._VerifyRestrictedCmd(self.tmpdir, "helloworld", |
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_owner=NotImplemented)
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self.assertFalse(status)
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self.assertTrue(msg.startswith("Can't stat(2) '")) |
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def testNotExecutable(self): |
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tmpname = utils.PathJoin(self.tmpdir, "cmdname") |
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utils.WriteFile(tmpname, data="empty\n")
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(status, msg) = \ |
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backend._VerifyRestrictedCmd(self.tmpdir, "cmdname", |
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_owner=_DefRestrictedCmdOwner()) |
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self.assertFalse(status)
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self.assertTrue(msg.startswith("access(2) thinks '")) |
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def testExecutable(self): |
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tmpname = utils.PathJoin(self.tmpdir, "cmdname") |
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utils.WriteFile(tmpname, data="empty\n", mode=0700) |
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(status, executable) = \ |
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backend._VerifyRestrictedCmd(self.tmpdir, "cmdname", |
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_owner=_DefRestrictedCmdOwner()) |
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self.assertTrue(status)
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self.assertEqual(executable, tmpname)
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class TestPrepareRestrictedCmd(unittest.TestCase): |
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_TEST_PATH = "/tmp/some/test/path"
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def testDirFails(self): |
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def fn(path): |
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self.assertEqual(path, self._TEST_PATH) |
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return (False, "test error 31420") |
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(status, msg) = \ |
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backend._PrepareRestrictedCmd(self._TEST_PATH, "cmd21152", |
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_verify_dir=fn, |
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_verify_name=NotImplemented,
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_verify_cmd=NotImplemented)
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self.assertFalse(status)
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self.assertEqual(msg, "test error 31420") |
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def testNameFails(self): |
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def fn(cmd): |
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self.assertEqual(cmd, "cmd4617") |
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return (False, "test error 591") |
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(status, msg) = \ |
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backend._PrepareRestrictedCmd(self._TEST_PATH, "cmd4617", |
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_verify_dir=lambda _: (True, None), |
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_verify_name=fn, |
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_verify_cmd=NotImplemented)
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self.assertFalse(status)
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self.assertEqual(msg, "test error 591") |
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def testCommandFails(self): |
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def fn(path, cmd): |
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self.assertEqual(path, self._TEST_PATH) |
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self.assertEqual(cmd, "cmd17577") |
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return (False, "test error 25524") |
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(status, msg) = \ |
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backend._PrepareRestrictedCmd(self._TEST_PATH, "cmd17577", |
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_verify_dir=lambda _: (True, None), |
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_verify_name=lambda _: (True, None), |
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_verify_cmd=fn) |
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self.assertFalse(status)
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self.assertEqual(msg, "test error 25524") |
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def testSuccess(self): |
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def fn(path, cmd): |
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return (True, utils.PathJoin(path, cmd)) |
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(status, executable) = \ |
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backend._PrepareRestrictedCmd(self._TEST_PATH, "cmd22633", |
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_verify_dir=lambda _: (True, None), |
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_verify_name=lambda _: (True, None), |
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_verify_cmd=fn) |
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self.assertTrue(status)
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self.assertEqual(executable, utils.PathJoin(self._TEST_PATH, "cmd22633")) |
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def _SleepForRestrictedCmd(duration): |
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assert duration > 5 |
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def _GenericRestrictedCmdError(cmd): |
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return "Executing command '%s' failed" % cmd |
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class TestRunRestrictedCmd(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testNonExistantLockDirectory(self): |
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lockfile = utils.PathJoin(self.tmpdir, "does", "not", "exist") |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
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self.assertFalse(os.path.exists(lockfile))
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self.assertRaises(backend.RPCFail,
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backend.RunRestrictedCmd, "test",
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_lock_timeout=NotImplemented,
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_lock_file=lockfile, |
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_path=NotImplemented,
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_sleep_fn=sleep_fn, |
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_prepare_fn=NotImplemented,
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_runcmd_fn=NotImplemented,
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_enabled=True)
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self.assertEqual(sleep_fn.Count(), 1) |
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@staticmethod
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def _TryLock(lockfile): |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
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result = False
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try:
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backend.RunRestrictedCmd("test22717",
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_lock_timeout=0.1,
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_lock_file=lockfile, |
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_path=NotImplemented,
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_sleep_fn=sleep_fn, |
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_prepare_fn=NotImplemented,
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_runcmd_fn=NotImplemented,
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_enabled=True)
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except backend.RPCFail, err:
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assert str(err) == _GenericRestrictedCmdError("test22717"), \ |
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"Did not fail with generic error message"
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result = True
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assert sleep_fn.Count() == 1 |
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return result
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def testLockHeldByOtherProcess(self): |
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lockfile = utils.PathJoin(self.tmpdir, "lock") |
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lock = utils.FileLock.Open(lockfile) |
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lock.Exclusive(blocking=True, timeout=1.0) |
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try:
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self.assertTrue(utils.RunInSeparateProcess(self._TryLock, lockfile)) |
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finally:
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lock.Close() |
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@staticmethod
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def _PrepareRaisingException(path, cmd): |
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assert cmd == "test23122" |
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raise Exception("test") |
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def testPrepareRaisesException(self): |
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lockfile = utils.PathJoin(self.tmpdir, "lock") |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
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prepare_fn = testutils.CallCounter(self._PrepareRaisingException)
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try:
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backend.RunRestrictedCmd("test23122",
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_lock_timeout=1.0, _lock_file=lockfile,
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_path=NotImplemented, _runcmd_fn=NotImplemented, |
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_sleep_fn=sleep_fn, _prepare_fn=prepare_fn, |
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_enabled=True)
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except backend.RPCFail, err:
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self.assertEqual(str(err), _GenericRestrictedCmdError("test23122")) |
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else:
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self.fail("Didn't fail") |
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self.assertEqual(sleep_fn.Count(), 1) |
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self.assertEqual(prepare_fn.Count(), 1) |
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@staticmethod
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def _PrepareFails(path, cmd): |
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assert cmd == "test29327" |
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return ("some error message", None) |
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def testPrepareFails(self): |
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lockfile = utils.PathJoin(self.tmpdir, "lock") |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
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prepare_fn = testutils.CallCounter(self._PrepareFails)
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try:
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backend.RunRestrictedCmd("test29327",
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_lock_timeout=1.0, _lock_file=lockfile,
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_path=NotImplemented, _runcmd_fn=NotImplemented, |
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_sleep_fn=sleep_fn, _prepare_fn=prepare_fn, |
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_enabled=True)
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except backend.RPCFail, err:
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self.assertEqual(str(err), _GenericRestrictedCmdError("test29327")) |
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else:
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self.fail("Didn't fail") |
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self.assertEqual(sleep_fn.Count(), 1) |
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self.assertEqual(prepare_fn.Count(), 1) |
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|
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@staticmethod
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def _SuccessfulPrepare(path, cmd): |
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return (True, utils.PathJoin(path, cmd)) |
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def testRunCmdFails(self): |
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lockfile = utils.PathJoin(self.tmpdir, "lock") |
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def fn(args, env=NotImplemented, reset_env=NotImplemented, |
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postfork_fn=NotImplemented):
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self.assertEqual(args, [utils.PathJoin(self.tmpdir, "test3079")]) |
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self.assertEqual(env, {})
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self.assertTrue(reset_env)
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self.assertTrue(callable(postfork_fn)) |
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trylock = utils.FileLock.Open(lockfile) |
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try:
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# See if lockfile is still held
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self.assertRaises(EnvironmentError, trylock.Exclusive, blocking=False) |
432 |
|
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# Call back to release lock
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postfork_fn(NotImplemented)
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# See if lockfile can be acquired
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trylock.Exclusive(blocking=False)
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finally:
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trylock.Close() |
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# Simulate a failed command
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return utils.RunResult(constants.EXIT_FAILURE, None, |
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"stdout", "stderr406328567", |
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utils.ShellQuoteArgs(args), |
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NotImplemented, NotImplemented) |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
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prepare_fn = testutils.CallCounter(self._SuccessfulPrepare)
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runcmd_fn = testutils.CallCounter(fn) |
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try:
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backend.RunRestrictedCmd("test3079",
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_lock_timeout=1.0, _lock_file=lockfile,
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_path=self.tmpdir, _runcmd_fn=runcmd_fn,
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_sleep_fn=sleep_fn, _prepare_fn=prepare_fn, |
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_enabled=True)
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except backend.RPCFail, err:
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self.assertTrue(str(err).startswith("Restricted command 'test3079'" |
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" failed:"))
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self.assertTrue("stderr406328567" in str(err), |
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msg="Error did not include output")
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else:
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self.fail("Didn't fail") |
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self.assertEqual(sleep_fn.Count(), 0) |
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self.assertEqual(prepare_fn.Count(), 1) |
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self.assertEqual(runcmd_fn.Count(), 1) |
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|
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def testRunCmdSucceeds(self): |
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lockfile = utils.PathJoin(self.tmpdir, "lock") |
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|
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def fn(args, env=NotImplemented, reset_env=NotImplemented, |
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postfork_fn=NotImplemented):
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self.assertEqual(args, [utils.PathJoin(self.tmpdir, "test5667")]) |
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self.assertEqual(env, {})
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self.assertTrue(reset_env)
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|
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# Call back to release lock
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postfork_fn(NotImplemented)
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|
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# Simulate a successful command
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return utils.RunResult(constants.EXIT_SUCCESS, None, "stdout14463", "", |
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utils.ShellQuoteArgs(args), |
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NotImplemented, NotImplemented) |
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sleep_fn = testutils.CallCounter(_SleepForRestrictedCmd) |
487 |
prepare_fn = testutils.CallCounter(self._SuccessfulPrepare)
|
488 |
runcmd_fn = testutils.CallCounter(fn) |
489 |
|
490 |
result = backend.RunRestrictedCmd("test5667",
|
491 |
_lock_timeout=1.0, _lock_file=lockfile,
|
492 |
_path=self.tmpdir, _runcmd_fn=runcmd_fn,
|
493 |
_sleep_fn=sleep_fn, |
494 |
_prepare_fn=prepare_fn, |
495 |
_enabled=True)
|
496 |
self.assertEqual(result, "stdout14463") |
497 |
|
498 |
self.assertEqual(sleep_fn.Count(), 0) |
499 |
self.assertEqual(prepare_fn.Count(), 1) |
500 |
self.assertEqual(runcmd_fn.Count(), 1) |
501 |
|
502 |
def testCommandsDisabled(self): |
503 |
try:
|
504 |
backend.RunRestrictedCmd("test",
|
505 |
_lock_timeout=NotImplemented,
|
506 |
_lock_file=NotImplemented,
|
507 |
_path=NotImplemented,
|
508 |
_sleep_fn=NotImplemented,
|
509 |
_prepare_fn=NotImplemented,
|
510 |
_runcmd_fn=NotImplemented,
|
511 |
_enabled=False)
|
512 |
except backend.RPCFail, err:
|
513 |
self.assertEqual(str(err), |
514 |
"Restricted commands disabled at configure time")
|
515 |
else:
|
516 |
self.fail("Did not raise exception") |
517 |
|
518 |
|
519 |
class TestSetWatcherPause(unittest.TestCase): |
520 |
def setUp(self): |
521 |
self.tmpdir = tempfile.mkdtemp()
|
522 |
self.filename = utils.PathJoin(self.tmpdir, "pause") |
523 |
|
524 |
def tearDown(self): |
525 |
shutil.rmtree(self.tmpdir)
|
526 |
|
527 |
def testUnsetNonExisting(self): |
528 |
self.assertFalse(os.path.exists(self.filename)) |
529 |
backend.SetWatcherPause(None, _filename=self.filename) |
530 |
self.assertFalse(os.path.exists(self.filename)) |
531 |
|
532 |
def testSetNonNumeric(self): |
533 |
for i in ["", [], {}, "Hello World", "0", "1.0"]: |
534 |
self.assertFalse(os.path.exists(self.filename)) |
535 |
|
536 |
try:
|
537 |
backend.SetWatcherPause(i, _filename=self.filename)
|
538 |
except backend.RPCFail, err:
|
539 |
self.assertEqual(str(err), "Duration must be numeric") |
540 |
else:
|
541 |
self.fail("Did not raise exception") |
542 |
|
543 |
self.assertFalse(os.path.exists(self.filename)) |
544 |
|
545 |
def testSet(self): |
546 |
self.assertFalse(os.path.exists(self.filename)) |
547 |
|
548 |
for i in range(10): |
549 |
backend.SetWatcherPause(i, _filename=self.filename)
|
550 |
self.assertEqual(utils.ReadFile(self.filename), "%s\n" % i) |
551 |
self.assertEqual(os.stat(self.filename).st_mode & 0777, 0644) |
552 |
|
553 |
|
554 |
class TestGetBlockDevSymlinkPath(unittest.TestCase): |
555 |
def setUp(self): |
556 |
self.tmpdir = tempfile.mkdtemp()
|
557 |
|
558 |
def tearDown(self): |
559 |
shutil.rmtree(self.tmpdir)
|
560 |
|
561 |
def _Test(self, name, idx): |
562 |
self.assertEqual(backend._GetBlockDevSymlinkPath(name, idx,
|
563 |
_dir=self.tmpdir),
|
564 |
("%s/%s%s%s" % (self.tmpdir, name, |
565 |
constants.DISK_SEPARATOR, idx))) |
566 |
|
567 |
def test(self): |
568 |
for idx in range(100): |
569 |
self._Test("inst1.example.com", idx) |
570 |
|
571 |
|
572 |
class TestGetInstanceList(unittest.TestCase): |
573 |
|
574 |
def setUp(self): |
575 |
self._test_hv = self._TestHypervisor() |
576 |
self._test_hv.ListInstances = mock.Mock(
|
577 |
return_value=["instance1", "instance2", "instance3"] ) |
578 |
|
579 |
class _TestHypervisor(hypervisor.hv_base.BaseHypervisor): |
580 |
def __init__(self): |
581 |
hypervisor.hv_base.BaseHypervisor.__init__(self)
|
582 |
|
583 |
def _GetHypervisor(self, name): |
584 |
return self._test_hv |
585 |
|
586 |
def testHvparams(self): |
587 |
fake_hvparams = {constants.HV_XEN_CMD: constants.XEN_CMD_XL} |
588 |
hvparams = {constants.HT_FAKE: fake_hvparams} |
589 |
backend.GetInstanceList([constants.HT_FAKE], all_hvparams=hvparams, |
590 |
get_hv_fn=self._GetHypervisor)
|
591 |
self._test_hv.ListInstances.assert_called_with(hvparams=fake_hvparams)
|
592 |
|
593 |
|
594 |
class TestInstanceConsoleInfo(unittest.TestCase): |
595 |
|
596 |
def setUp(self): |
597 |
self._test_hv_a = self._TestHypervisor() |
598 |
self._test_hv_a.GetInstanceConsole = mock.Mock(
|
599 |
return_value = objects.InstanceConsole(instance="inst", kind="aHy") |
600 |
) |
601 |
self._test_hv_b = self._TestHypervisor() |
602 |
self._test_hv_b.GetInstanceConsole = mock.Mock(
|
603 |
return_value = objects.InstanceConsole(instance="inst", kind="bHy") |
604 |
) |
605 |
|
606 |
class _TestHypervisor(hypervisor.hv_base.BaseHypervisor): |
607 |
def __init__(self): |
608 |
hypervisor.hv_base.BaseHypervisor.__init__(self)
|
609 |
|
610 |
def _GetHypervisor(self, name): |
611 |
if name == "a": |
612 |
return self._test_hv_a |
613 |
else:
|
614 |
return self._test_hv_b |
615 |
|
616 |
def testRightHypervisor(self): |
617 |
dictMaker = lambda hyName: {
|
618 |
"instance":{"hypervisor":hyName}, |
619 |
"node":{},
|
620 |
"hvParams":{},
|
621 |
"beParams":{},
|
622 |
} |
623 |
|
624 |
call = { |
625 |
'i1':dictMaker("a"), |
626 |
'i2':dictMaker("b"), |
627 |
} |
628 |
|
629 |
res = backend.GetInstanceConsoleInfo(call, get_hv_fn=self._GetHypervisor)
|
630 |
|
631 |
self.assertTrue(res["i1"]["kind"] == "aHy") |
632 |
self.assertTrue(res["i2"]["kind"] == "bHy") |
633 |
|
634 |
|
635 |
class TestGetHvInfo(unittest.TestCase): |
636 |
|
637 |
def setUp(self): |
638 |
self._test_hv = self._TestHypervisor() |
639 |
self._test_hv.GetNodeInfo = mock.Mock()
|
640 |
|
641 |
class _TestHypervisor(hypervisor.hv_base.BaseHypervisor): |
642 |
def __init__(self): |
643 |
hypervisor.hv_base.BaseHypervisor.__init__(self)
|
644 |
|
645 |
def _GetHypervisor(self, name): |
646 |
return self._test_hv |
647 |
|
648 |
def testGetHvInfoAllNone(self): |
649 |
result = backend._GetHvInfoAll(None)
|
650 |
self.assertTrue(result is None) |
651 |
|
652 |
def testGetHvInfoAll(self): |
653 |
hvname = constants.HT_XEN_PVM |
654 |
hvparams = {constants.HV_XEN_CMD: constants.XEN_CMD_XL} |
655 |
hv_specs = [(hvname, hvparams)] |
656 |
|
657 |
backend._GetHvInfoAll(hv_specs, self._GetHypervisor)
|
658 |
self._test_hv.GetNodeInfo.assert_called_with(hvparams=hvparams)
|
659 |
|
660 |
|
661 |
class TestApplyStorageInfoFunction(unittest.TestCase): |
662 |
|
663 |
_STORAGE_KEY = "some_key"
|
664 |
_SOME_ARGS = ["some_args"]
|
665 |
|
666 |
def setUp(self): |
667 |
self.mock_storage_fn = mock.Mock()
|
668 |
|
669 |
def testApplyValidStorageType(self): |
670 |
storage_type = constants.ST_LVM_VG |
671 |
info_fn_orig = backend._STORAGE_TYPE_INFO_FN |
672 |
backend._STORAGE_TYPE_INFO_FN = { |
673 |
storage_type: self.mock_storage_fn
|
674 |
} |
675 |
|
676 |
backend._ApplyStorageInfoFunction( |
677 |
storage_type, self._STORAGE_KEY, self._SOME_ARGS) |
678 |
|
679 |
self.mock_storage_fn.assert_called_with(self._STORAGE_KEY, self._SOME_ARGS) |
680 |
backend._STORAGE_TYPE_INFO_FN = info_fn_orig |
681 |
|
682 |
def testApplyInValidStorageType(self): |
683 |
storage_type = "invalid_storage_type"
|
684 |
info_fn_orig = backend._STORAGE_TYPE_INFO_FN |
685 |
backend._STORAGE_TYPE_INFO_FN = {} |
686 |
|
687 |
self.assertRaises(KeyError, backend._ApplyStorageInfoFunction, |
688 |
storage_type, self._STORAGE_KEY, self._SOME_ARGS) |
689 |
backend._STORAGE_TYPE_INFO_FN = info_fn_orig |
690 |
|
691 |
def testApplyNotImplementedStorageType(self): |
692 |
storage_type = "not_implemented_storage_type"
|
693 |
info_fn_orig = backend._STORAGE_TYPE_INFO_FN |
694 |
backend._STORAGE_TYPE_INFO_FN = {storage_type: None}
|
695 |
|
696 |
self.assertRaises(NotImplementedError, |
697 |
backend._ApplyStorageInfoFunction, |
698 |
storage_type, self._STORAGE_KEY, self._SOME_ARGS) |
699 |
backend._STORAGE_TYPE_INFO_FN = info_fn_orig |
700 |
|
701 |
|
702 |
class TestGetLvmVgSpaceInfo(unittest.TestCase): |
703 |
|
704 |
def testValid(self): |
705 |
path = "somepath"
|
706 |
excl_stor = True
|
707 |
orig_fn = backend._GetVgInfo |
708 |
backend._GetVgInfo = mock.Mock() |
709 |
backend._GetLvmVgSpaceInfo(path, [excl_stor]) |
710 |
backend._GetVgInfo.assert_called_with(path, excl_stor) |
711 |
backend._GetVgInfo = orig_fn |
712 |
|
713 |
def testNoExclStorageNotBool(self): |
714 |
path = "somepath"
|
715 |
excl_stor = "123"
|
716 |
self.assertRaises(errors.ProgrammerError, backend._GetLvmVgSpaceInfo,
|
717 |
path, [excl_stor]) |
718 |
|
719 |
def testNoExclStorageNotInList(self): |
720 |
path = "somepath"
|
721 |
excl_stor = "123"
|
722 |
self.assertRaises(errors.ProgrammerError, backend._GetLvmVgSpaceInfo,
|
723 |
path, excl_stor) |
724 |
|
725 |
class TestGetLvmPvSpaceInfo(unittest.TestCase): |
726 |
|
727 |
def testValid(self): |
728 |
path = "somepath"
|
729 |
excl_stor = True
|
730 |
orig_fn = backend._GetVgSpindlesInfo |
731 |
backend._GetVgSpindlesInfo = mock.Mock() |
732 |
backend._GetLvmPvSpaceInfo(path, [excl_stor]) |
733 |
backend._GetVgSpindlesInfo.assert_called_with(path, excl_stor) |
734 |
backend._GetVgSpindlesInfo = orig_fn |
735 |
|
736 |
|
737 |
class TestCheckStorageParams(unittest.TestCase): |
738 |
|
739 |
def testParamsNone(self): |
740 |
self.assertRaises(errors.ProgrammerError, backend._CheckStorageParams,
|
741 |
None, NotImplemented) |
742 |
|
743 |
def testParamsWrongType(self): |
744 |
self.assertRaises(errors.ProgrammerError, backend._CheckStorageParams,
|
745 |
"string", NotImplemented) |
746 |
|
747 |
def testParamsEmpty(self): |
748 |
backend._CheckStorageParams([], 0)
|
749 |
|
750 |
def testParamsValidNumber(self): |
751 |
backend._CheckStorageParams(["a", True], 2) |
752 |
|
753 |
def testParamsInvalidNumber(self): |
754 |
self.assertRaises(errors.ProgrammerError, backend._CheckStorageParams,
|
755 |
["b", False], 3) |
756 |
|
757 |
|
758 |
class TestGetVgSpindlesInfo(unittest.TestCase): |
759 |
|
760 |
def setUp(self): |
761 |
self.vg_free = 13 |
762 |
self.vg_size = 31 |
763 |
self.mock_fn = mock.Mock(return_value=(self.vg_free, self.vg_size)) |
764 |
|
765 |
def testValidInput(self): |
766 |
name = "myvg"
|
767 |
excl_stor = True
|
768 |
result = backend._GetVgSpindlesInfo(name, excl_stor, info_fn=self.mock_fn)
|
769 |
self.mock_fn.assert_called_with(name)
|
770 |
self.assertEqual(name, result["name"]) |
771 |
self.assertEqual(constants.ST_LVM_PV, result["type"]) |
772 |
self.assertEqual(self.vg_free, result["storage_free"]) |
773 |
self.assertEqual(self.vg_size, result["storage_size"]) |
774 |
|
775 |
def testNoExclStor(self): |
776 |
name = "myvg"
|
777 |
excl_stor = False
|
778 |
result = backend._GetVgSpindlesInfo(name, excl_stor, info_fn=self.mock_fn)
|
779 |
self.mock_fn.assert_not_called()
|
780 |
self.assertEqual(name, result["name"]) |
781 |
self.assertEqual(constants.ST_LVM_PV, result["type"]) |
782 |
self.assertEqual(0, result["storage_free"]) |
783 |
self.assertEqual(0, result["storage_size"]) |
784 |
|
785 |
|
786 |
class TestGetVgSpindlesInfo(unittest.TestCase): |
787 |
|
788 |
def testValidInput(self): |
789 |
self.vg_free = 13 |
790 |
self.vg_size = 31 |
791 |
self.mock_fn = mock.Mock(return_value=[(self.vg_free, self.vg_size)]) |
792 |
name = "myvg"
|
793 |
excl_stor = True
|
794 |
result = backend._GetVgInfo(name, excl_stor, info_fn=self.mock_fn)
|
795 |
self.mock_fn.assert_called_with([name], excl_stor)
|
796 |
self.assertEqual(name, result["name"]) |
797 |
self.assertEqual(constants.ST_LVM_VG, result["type"]) |
798 |
self.assertEqual(self.vg_free, result["storage_free"]) |
799 |
self.assertEqual(self.vg_size, result["storage_size"]) |
800 |
|
801 |
def testNoExclStor(self): |
802 |
name = "myvg"
|
803 |
excl_stor = True
|
804 |
self.mock_fn = mock.Mock(return_value=None) |
805 |
result = backend._GetVgInfo(name, excl_stor, info_fn=self.mock_fn)
|
806 |
self.mock_fn.assert_called_with([name], excl_stor)
|
807 |
self.assertEqual(name, result["name"]) |
808 |
self.assertEqual(constants.ST_LVM_VG, result["type"]) |
809 |
self.assertEqual(None, result["storage_free"]) |
810 |
self.assertEqual(None, result["storage_size"]) |
811 |
|
812 |
|
813 |
class TestGetNodeInfo(unittest.TestCase): |
814 |
|
815 |
_SOME_RESULT = None
|
816 |
|
817 |
def testApplyStorageInfoFunction(self): |
818 |
orig_fn = backend._ApplyStorageInfoFunction |
819 |
backend._ApplyStorageInfoFunction = mock.Mock( |
820 |
return_value=self._SOME_RESULT)
|
821 |
storage_units = [(st, st + "_key", [st + "_params"]) for st in |
822 |
constants.STORAGE_TYPES] |
823 |
|
824 |
backend.GetNodeInfo(storage_units, None)
|
825 |
|
826 |
call_args_list = backend._ApplyStorageInfoFunction.call_args_list |
827 |
self.assertEqual(len(constants.STORAGE_TYPES), len(call_args_list)) |
828 |
for call in call_args_list: |
829 |
storage_type, storage_key, storage_params = call[0]
|
830 |
self.assertEqual(storage_type + "_key", storage_key) |
831 |
self.assertEqual([storage_type + "_params"], storage_params) |
832 |
self.assertTrue(storage_type in constants.STORAGE_TYPES) |
833 |
backend._ApplyStorageInfoFunction = orig_fn |
834 |
|
835 |
|
836 |
class TestSpaceReportingConstants(unittest.TestCase): |
837 |
"""Ensures consistency between STS_REPORT and backend.
|
838 |
|
839 |
These tests ensure, that the constant 'STS_REPORT' is consitent
|
840 |
with the implementation of invoking space reporting functions
|
841 |
in backend.py. Once space reporting is available for all types,
|
842 |
the constant can be removed and these tests as well.
|
843 |
|
844 |
"""
|
845 |
def testAllReportingTypesHaveAReportingFunction(self): |
846 |
for storage_type in constants.STS_REPORT: |
847 |
self.assertTrue(backend._STORAGE_TYPE_INFO_FN[storage_type] is not None) |
848 |
|
849 |
def testAllNotReportingTypesDoneHaveFunction(self): |
850 |
non_reporting_types = set(constants.STORAGE_TYPES)\
|
851 |
- set(constants.STS_REPORT)
|
852 |
for storage_type in non_reporting_types: |
853 |
self.assertEqual(None, backend._STORAGE_TYPE_INFO_FN[storage_type]) |
854 |
|
855 |
|
856 |
if __name__ == "__main__": |
857 |
testutils.GanetiTestProgram() |