root / test / ganeti.objects_unittest.py @ 304f9292
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2008, 2010 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 objects module"""
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import unittest |
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from ganeti import constants |
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from ganeti import objects |
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from ganeti import errors |
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import testutils |
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class SimpleObject(objects.ConfigObject): |
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__slots__ = ['a', 'b'] |
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class TestDictState(unittest.TestCase): |
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"""Simple dict tansformation tests"""
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def testSimpleObjectToDict(self): |
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o1 = SimpleObject(a='1')
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self.assertEquals(o1.ToDict(), {'a': '1'}) |
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self.assertEquals(o1.__getstate__(), {'a': '1'}) |
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self.assertEquals(o1.__getstate__(), o1.ToDict())
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o1.a = 2
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o1.b = 5
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self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5}) |
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o2 = SimpleObject.FromDict(o1.ToDict()) |
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self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5}) |
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class TestClusterObject(unittest.TestCase): |
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"""Tests done on a L{objects.Cluster}"""
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def setUp(self): |
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hvparams = {
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constants.HT_FAKE: {
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"foo": "bar", |
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"bar": "foo", |
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"foobar": "barfoo", |
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}, |
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} |
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os_hvp = {
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"lenny-image": {
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constants.HT_FAKE: {
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"foo": "baz", |
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"foobar": "foobar", |
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"blah": "blibb", |
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"blubb": "blah", |
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}, |
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constants.HT_XEN_PVM: {
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"root_path": "/dev/sda5", |
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"foo": "foobar", |
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}, |
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}, |
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"ubuntu-hardy": {
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}, |
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} |
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ndparams = {
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constants.ND_OOB_PROGRAM: "/bin/cluster-oob"
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} |
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self.fake_cl = objects.Cluster(hvparams=hvparams, os_hvp=os_hvp,
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ndparams=ndparams) |
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self.fake_cl.UpgradeConfig()
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def testGetHVDefaults(self): |
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cl = self.fake_cl
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self.failUnlessEqual(cl.GetHVDefaults(constants.HT_FAKE),
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cl.hvparams[constants.HT_FAKE]) |
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self.failUnlessEqual(cl.GetHVDefaults(None), {}) |
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self.failUnlessEqual(cl.GetHVDefaults(constants.HT_XEN_PVM,
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os_name="lenny-image"),
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cl.os_hvp["lenny-image"][constants.HT_XEN_PVM])
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def testFillHvFullMerge(self): |
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inst_hvparams = {
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"blah": "blubb", |
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} |
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fake_dict = {
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"foo": "baz", |
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"bar": "foo", |
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"foobar": "foobar", |
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"blah": "blubb", |
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"blubb": "blah", |
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} |
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fake_inst = objects.Instance(name="foobar",
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os="lenny-image",
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hypervisor=constants.HT_FAKE, |
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hvparams=inst_hvparams) |
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self.assertEqual(fake_dict, self.fake_cl.FillHV(fake_inst)) |
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def testFillHvGlobalParams(self): |
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fake_inst = objects.Instance(name="foobar",
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os="ubuntu-hardy",
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hypervisor=constants.HT_FAKE, |
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hvparams={})
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self.assertEqual(self.fake_cl.hvparams[constants.HT_FAKE], |
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self.fake_cl.FillHV(fake_inst))
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def testFillHvInstParams(self): |
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inst_hvparams = {
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"blah": "blubb", |
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} |
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fake_inst = objects.Instance(name="foobar",
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os="ubuntu-hardy",
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hypervisor=constants.HT_XEN_PVM, |
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hvparams=inst_hvparams) |
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self.assertEqual(inst_hvparams, self.fake_cl.FillHV(fake_inst)) |
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def testFillHvEmptyParams(self): |
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fake_inst = objects.Instance(name="foobar",
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os="ubuntu-hardy",
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hypervisor=constants.HT_XEN_PVM, |
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hvparams={})
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self.assertEqual({}, self.fake_cl.FillHV(fake_inst)) |
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def testFillHvPartialParams(self): |
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os = "lenny-image"
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fake_inst = objects.Instance(name="foobar",
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os=os, |
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hypervisor=constants.HT_XEN_PVM, |
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hvparams={})
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self.assertEqual(self.fake_cl.os_hvp[os][constants.HT_XEN_PVM], |
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self.fake_cl.FillHV(fake_inst))
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def testFillNdParamsCluster(self): |
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fake_node = objects.Node(name="test",
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ndparams={},
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group="testgroup")
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fake_group = objects.NodeGroup(name="testgroup",
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ndparams={})
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self.assertEqual(self.fake_cl.ndparams, |
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self.fake_cl.FillND(fake_node, fake_group))
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def testFillNdParamsNodeGroup(self): |
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fake_node = objects.Node(name="test",
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ndparams={},
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group="testgroup")
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group_ndparams = {
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constants.ND_OOB_PROGRAM: "/bin/group-oob"
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} |
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fake_group = objects.NodeGroup(name="testgroup",
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ndparams=group_ndparams) |
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self.assertEqual(group_ndparams,
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self.fake_cl.FillND(fake_node, fake_group))
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def testFillNdParamsNode(self): |
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node_ndparams = {
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constants.ND_OOB_PROGRAM: "/bin/node-oob"
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} |
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fake_node = objects.Node(name="test",
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ndparams=node_ndparams, |
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group="testgroup")
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fake_group = objects.NodeGroup(name="testgroup",
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ndparams={})
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self.assertEqual(node_ndparams,
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self.fake_cl.FillND(fake_node, fake_group))
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def testFillNdParamsAll(self): |
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node_ndparams = {
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constants.ND_OOB_PROGRAM: "/bin/node-oob"
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} |
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fake_node = objects.Node(name="test",
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ndparams=node_ndparams, |
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group="testgroup")
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group_ndparams = {
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constants.ND_OOB_PROGRAM: "/bin/group-oob"
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} |
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fake_group = objects.NodeGroup(name="testgroup",
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ndparams=group_ndparams) |
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self.assertEqual(node_ndparams,
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self.fake_cl.FillND(fake_node, fake_group))
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def testPrimaryHypervisor(self): |
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assert self.fake_cl.enabled_hypervisors is None |
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self.fake_cl.enabled_hypervisors = [constants.HT_XEN_HVM]
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self.assertEqual(self.fake_cl.primary_hypervisor, constants.HT_XEN_HVM) |
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self.fake_cl.enabled_hypervisors = [constants.HT_XEN_PVM, constants.HT_KVM]
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self.assertEqual(self.fake_cl.primary_hypervisor, constants.HT_XEN_PVM) |
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self.fake_cl.enabled_hypervisors = sorted(constants.HYPER_TYPES) |
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self.assertEqual(self.fake_cl.primary_hypervisor, constants.HT_CHROOT) |
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class TestOS(unittest.TestCase): |
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ALL_DATA = [ |
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"debootstrap",
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"debootstrap+default",
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"debootstrap++default",
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] |
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def testSplitNameVariant(self): |
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for name in self.ALL_DATA: |
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self.assertEqual(len(objects.OS.SplitNameVariant(name)), 2) |
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def testVariant(self): |
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self.assertEqual(objects.OS.GetVariant("debootstrap"), "") |
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self.assertEqual(objects.OS.GetVariant("debootstrap+default"), "default") |
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class TestInstance(unittest.TestCase): |
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def _GenericCheck(self, inst): |
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for i in [inst.all_nodes, inst.secondary_nodes]: |
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self.assertTrue(isinstance(inst.all_nodes, (list, tuple)), |
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msg="Data type doesn't guarantee order")
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self.assertTrue(inst.primary_node not in inst.secondary_nodes) |
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self.assertEqual(inst.all_nodes[0], inst.primary_node, |
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msg="Primary node not first node in list")
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def testNodesNoDisks(self): |
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inst = objects.Instance(name="fakeinst.example.com",
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primary_node="pnode.example.com",
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disks=[ |
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]) |
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self._GenericCheck(inst)
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self.assertEqual(len(inst.secondary_nodes), 0) |
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self.assertEqual(set(inst.all_nodes), set([inst.primary_node])) |
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self.assertEqual(inst.MapLVsByNode(), {
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inst.primary_node: [], |
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}) |
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def testNodesPlainDisks(self): |
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inst = objects.Instance(name="fakeinstplain.example.com",
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primary_node="node3.example.com",
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disks=[ |
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objects.Disk(dev_type=constants.LD_LV, size=128,
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logical_id=("myxenvg", "disk25494")), |
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objects.Disk(dev_type=constants.LD_LV, size=512,
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logical_id=("myxenvg", "disk29071")), |
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]) |
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self._GenericCheck(inst)
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self.assertEqual(len(inst.secondary_nodes), 0) |
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self.assertEqual(set(inst.all_nodes), set([inst.primary_node])) |
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self.assertEqual(inst.MapLVsByNode(), {
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inst.primary_node: ["myxenvg/disk25494", "myxenvg/disk29071"], |
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}) |
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def testNodesDrbdDisks(self): |
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inst = objects.Instance(name="fakeinstdrbd.example.com",
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primary_node="node10.example.com",
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disks=[ |
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objects.Disk(dev_type=constants.LD_DRBD8, size=786432,
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logical_id=("node10.example.com", "node15.example.com", |
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12300, 0, 0, "secret"), |
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children=[ |
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objects.Disk(dev_type=constants.LD_LV, size=786432,
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logical_id=("myxenvg", "disk0")), |
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objects.Disk(dev_type=constants.LD_LV, size=128,
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logical_id=("myxenvg", "meta0")) |
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], |
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iv_name="disk/0")
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]) |
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self._GenericCheck(inst)
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self.assertEqual(set(inst.secondary_nodes), set(["node15.example.com"])) |
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self.assertEqual(set(inst.all_nodes), |
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set([inst.primary_node, "node15.example.com"])) |
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self.assertEqual(inst.MapLVsByNode(), {
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inst.primary_node: ["myxenvg/disk0", "myxenvg/meta0"], |
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"node15.example.com": ["myxenvg/disk0", "myxenvg/meta0"], |
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}) |
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self.assertEqual(inst.FindDisk(0), inst.disks[0]) |
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self.assertRaises(errors.OpPrereqError, inst.FindDisk, "hello") |
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self.assertRaises(errors.OpPrereqError, inst.FindDisk, 100) |
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self.assertRaises(errors.OpPrereqError, inst.FindDisk, 1) |
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class TestNode(unittest.TestCase): |
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def testEmpty(self): |
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self.assertEqual(objects.Node().ToDict(), {})
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self.assertTrue(isinstance(objects.Node.FromDict({}), objects.Node)) |
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def testHvState(self): |
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node = objects.Node(name="node18157.example.com", hv_state={
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constants.HT_XEN_HVM: objects.NodeHvState(cpu_total=64),
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constants.HT_KVM: objects.NodeHvState(cpu_node=1),
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}) |
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node2 = objects.Node.FromDict(node.ToDict()) |
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# Make sure nothing can reference it anymore
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del node
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self.assertEqual(node2.name, "node18157.example.com") |
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self.assertEqual(frozenset(node2.hv_state), frozenset([ |
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constants.HT_XEN_HVM, |
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constants.HT_KVM, |
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])) |
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self.assertEqual(node2.hv_state[constants.HT_KVM].cpu_node, 1) |
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self.assertEqual(node2.hv_state[constants.HT_XEN_HVM].cpu_total, 64) |
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def testDiskState(self): |
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node = objects.Node(name="node32087.example.com", disk_state={
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constants.LD_LV: {
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"lv32352": objects.NodeDiskState(total=128), |
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"lv2082": objects.NodeDiskState(total=512), |
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}, |
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}) |
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node2 = objects.Node.FromDict(node.ToDict()) |
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# Make sure nothing can reference it anymore
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del node
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self.assertEqual(node2.name, "node32087.example.com") |
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self.assertEqual(frozenset(node2.disk_state), frozenset([ |
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constants.LD_LV, |
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])) |
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self.assertEqual(frozenset(node2.disk_state[constants.LD_LV]), frozenset([ |
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"lv32352",
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"lv2082",
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])) |
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self.assertEqual(node2.disk_state[constants.LD_LV]["lv2082"].total, 512) |
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self.assertEqual(node2.disk_state[constants.LD_LV]["lv32352"].total, 128) |
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if __name__ == '__main__': |
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testutils.GanetiTestProgram() |