root / test / py / ganeti.objects_unittest.py @ 24cd672e
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2008, 2010, 2012 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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constants.ND_SPINDLE_COUNT: 1,
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constants.ND_EXCLUSIVE_STORAGE: False,
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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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constants.ND_SPINDLE_COUNT: 10,
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constants.ND_EXCLUSIVE_STORAGE: True,
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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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constants.ND_SPINDLE_COUNT: 2,
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constants.ND_EXCLUSIVE_STORAGE: True,
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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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constants.ND_SPINDLE_COUNT: 5,
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constants.ND_EXCLUSIVE_STORAGE: True,
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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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constants.ND_SPINDLE_COUNT: 4,
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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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def testUpgradeConfig(self): |
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# FIXME: This test is incomplete
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cluster = objects.Cluster() |
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cluster.UpgradeConfig() |
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cluster = objects.Cluster(ipolicy={"unknown_key": None})
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self.assertRaises(errors.ConfigurationError, cluster.UpgradeConfig)
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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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def testFilterEsNdp(self): |
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node1 = objects.Node(name="node11673.example.com", ndparams={
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constants.ND_EXCLUSIVE_STORAGE: True,
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}) |
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node2 = objects.Node(name="node11674.example.com", ndparams={
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constants.ND_SPINDLE_COUNT: 3,
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constants.ND_EXCLUSIVE_STORAGE: False,
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}) |
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self.assertTrue(constants.ND_EXCLUSIVE_STORAGE in node1.ndparams) |
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node1.UpgradeConfig() |
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self.assertFalse(constants.ND_EXCLUSIVE_STORAGE in node1.ndparams) |
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self.assertTrue(constants.ND_EXCLUSIVE_STORAGE in node2.ndparams) |
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self.assertTrue(constants.ND_SPINDLE_COUNT in node2.ndparams) |
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node2.UpgradeConfig() |
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self.assertFalse(constants.ND_EXCLUSIVE_STORAGE in node2.ndparams) |
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self.assertTrue(constants.ND_SPINDLE_COUNT in node2.ndparams) |
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class TestInstancePolicy(unittest.TestCase): |
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def setUp(self): |
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# Policies are big, and we want to see the difference in case of an error
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self.maxDiff = None |
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def _AssertIPolicyIsFull(self, policy): |
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self.assertEqual(frozenset(policy.keys()), constants.IPOLICY_ALL_KEYS) |
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for key in constants.IPOLICY_ISPECS: |
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spec = policy[key] |
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self.assertEqual(frozenset(spec.keys()), constants.ISPECS_PARAMETERS) |
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def testDefaultIPolicy(self): |
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objects.InstancePolicy.CheckParameterSyntax(constants.IPOLICY_DEFAULTS, |
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True)
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self._AssertIPolicyIsFull(constants.IPOLICY_DEFAULTS)
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def testCheckISpecSyntax(self): |
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par = "my_parameter"
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for check_std in [True, False]: |
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if check_std:
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allkeys = constants.IPOLICY_ISPECS |
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else:
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allkeys = constants.IPOLICY_ISPECS - frozenset([constants.ISPECS_STD])
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# Only one policy limit
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for key in allkeys: |
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policy = dict((k, {}) for k in allkeys) |
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policy[key][par] = 11
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objects.InstancePolicy.CheckISpecSyntax(policy, par, check_std) |
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# Min and max only
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good_values = [(11, 11), (11, 40), (0, 0)] |
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for (mn, mx) in good_values: |
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policy = dict((k, {}) for k in allkeys) |
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policy[constants.ISPECS_MIN][par] = mn |
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policy[constants.ISPECS_MAX][par] = mx |
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objects.InstancePolicy.CheckISpecSyntax(policy, par, check_std) |
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policy = dict((k, {}) for k in allkeys) |
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policy[constants.ISPECS_MIN][par] = 11
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policy[constants.ISPECS_MAX][par] = 5
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self.assertRaises(errors.ConfigurationError,
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objects.InstancePolicy.CheckISpecSyntax, |
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policy, par, check_std) |
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# Min, std, max
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good_values = [ |
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(11, 11, 11), |
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(11, 11, 40), |
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(11, 40, 40), |
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] |
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for (mn, st, mx) in good_values: |
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policy = {
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constants.ISPECS_MIN: {par: mn},
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constants.ISPECS_STD: {par: st},
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constants.ISPECS_MAX: {par: mx},
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} |
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objects.InstancePolicy.CheckISpecSyntax(policy, par, True)
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bad_values = [ |
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(11, 11, 5), |
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(40, 11, 11), |
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(11, 80, 40), |
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(11, 5, 40), |
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(11, 5, 5), |
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(40, 40, 11), |
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] |
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for (mn, st, mx) in bad_values: |
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policy = {
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constants.ISPECS_MIN: {par: mn},
|
| 444 |
constants.ISPECS_STD: {par: st},
|
| 445 |
constants.ISPECS_MAX: {par: mx},
|
| 446 |
} |
| 447 |
self.assertRaises(errors.ConfigurationError,
|
| 448 |
objects.InstancePolicy.CheckISpecSyntax, |
| 449 |
policy, par, True)
|
| 450 |
|
| 451 |
def testCheckDiskTemplates(self): |
| 452 |
invalid = "this_is_not_a_good_template"
|
| 453 |
for dt in constants.DISK_TEMPLATES: |
| 454 |
objects.InstancePolicy.CheckDiskTemplates([dt]) |
| 455 |
objects.InstancePolicy.CheckDiskTemplates(list(constants.DISK_TEMPLATES))
|
| 456 |
bad_examples = [ |
| 457 |
[invalid], |
| 458 |
[constants.DT_DRBD8, invalid], |
| 459 |
list(constants.DISK_TEMPLATES) + [invalid],
|
| 460 |
[], |
| 461 |
None,
|
| 462 |
] |
| 463 |
for dtl in bad_examples: |
| 464 |
self.assertRaises(errors.ConfigurationError,
|
| 465 |
objects.InstancePolicy.CheckDiskTemplates, |
| 466 |
dtl) |
| 467 |
|
| 468 |
def testCheckParameterSyntax(self): |
| 469 |
invalid = "this_key_shouldnt_be_here"
|
| 470 |
for check_std in [True, False]: |
| 471 |
self.assertRaises(KeyError, |
| 472 |
objects.InstancePolicy.CheckParameterSyntax, |
| 473 |
{}, check_std)
|
| 474 |
policy = objects.MakeEmptyIPolicy() |
| 475 |
policy[invalid] = None
|
| 476 |
self.assertRaises(errors.ConfigurationError,
|
| 477 |
objects.InstancePolicy.CheckParameterSyntax, |
| 478 |
policy, check_std) |
| 479 |
for par in constants.IPOLICY_PARAMETERS: |
| 480 |
policy = objects.MakeEmptyIPolicy() |
| 481 |
for val in ("blah", None, {}, [42]): |
| 482 |
policy[par] = val |
| 483 |
self.assertRaises(errors.ConfigurationError,
|
| 484 |
objects.InstancePolicy.CheckParameterSyntax, |
| 485 |
policy, check_std) |
| 486 |
|
| 487 |
def testFillIPolicyEmpty(self): |
| 488 |
policy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, {})
|
| 489 |
objects.InstancePolicy.CheckParameterSyntax(policy, True)
|
| 490 |
self.assertEqual(policy, constants.IPOLICY_DEFAULTS)
|
| 491 |
|
| 492 |
def _AssertISpecsMerged(self, default_spec, diff_spec, merged_spec): |
| 493 |
for (param, value) in merged_spec.items(): |
| 494 |
if param in diff_spec: |
| 495 |
self.assertEqual(value, diff_spec[param])
|
| 496 |
else:
|
| 497 |
self.assertEqual(value, default_spec[param])
|
| 498 |
|
| 499 |
def _AssertIPolicyMerged(self, default_pol, diff_pol, merged_pol): |
| 500 |
for (key, value) in merged_pol.items(): |
| 501 |
if key in diff_pol: |
| 502 |
if key in constants.IPOLICY_ISPECS: |
| 503 |
self._AssertISpecsMerged(default_pol[key], diff_pol[key], value)
|
| 504 |
else:
|
| 505 |
self.assertEqual(value, diff_pol[key])
|
| 506 |
else:
|
| 507 |
self.assertEqual(value, default_pol[key])
|
| 508 |
|
| 509 |
def testFillIPolicy(self): |
| 510 |
partial_policies = [ |
| 511 |
{constants.IPOLICY_VCPU_RATIO: 3.14},
|
| 512 |
{constants.IPOLICY_SPINDLE_RATIO: 2.72},
|
| 513 |
{constants.IPOLICY_DTS: [constants.DT_FILE]},
|
| 514 |
] |
| 515 |
for diff_pol in partial_policies: |
| 516 |
policy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, diff_pol) |
| 517 |
objects.InstancePolicy.CheckParameterSyntax(policy, True)
|
| 518 |
self._AssertIPolicyIsFull(policy)
|
| 519 |
self._AssertIPolicyMerged(constants.IPOLICY_DEFAULTS, diff_pol, policy)
|
| 520 |
|
| 521 |
def testFillIPolicySpecs(self): |
| 522 |
partial_policies = [ |
| 523 |
{constants.ISPECS_MIN: {constants.ISPEC_MEM_SIZE: 32},
|
| 524 |
constants.ISPECS_MAX: {constants.ISPEC_CPU_COUNT: 1024}},
|
| 525 |
{constants.ISPECS_STD: {constants.ISPEC_DISK_SIZE: 2048},
|
| 526 |
constants.ISPECS_MAX: {
|
| 527 |
constants.ISPEC_DISK_COUNT: constants.MAX_DISKS - 1,
|
| 528 |
constants.ISPEC_NIC_COUNT: constants.MAX_NICS - 1,
|
| 529 |
}}, |
| 530 |
{constants.ISPECS_STD: {constants.ISPEC_SPINDLE_USE: 3}},
|
| 531 |
] |
| 532 |
for diff_pol in partial_policies: |
| 533 |
policy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, diff_pol) |
| 534 |
objects.InstancePolicy.CheckParameterSyntax(policy, True)
|
| 535 |
self._AssertIPolicyIsFull(policy)
|
| 536 |
self._AssertIPolicyMerged(constants.IPOLICY_DEFAULTS, diff_pol, policy)
|
| 537 |
|
| 538 |
|
| 539 |
if __name__ == "__main__": |
| 540 |
testutils.GanetiTestProgram() |