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# Copyright (C) 2006, 2007, 2008, 2010 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 0.0510-1301, USA.
"""Script for unittesting the objects module"""
import unittest
from ganeti import constants
from ganeti import objects
class SimpleObject(objects.ConfigObject):
__slots__ = ['a', 'b']
class TestDictState(unittest.TestCase):
"""Simple dict tansformation tests"""
def testSimpleObjectToDict(self):
o1 = SimpleObject(a='1')
self.assertEquals(o1.ToDict(), {'a': '1'})
self.assertEquals(o1.__getstate__(), {'a': '1'})
self.assertEquals(o1.__getstate__(), o1.ToDict())
o1.a = 2
o1.b = 5
self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5})
o2 = SimpleObject.FromDict(o1.ToDict())
self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5})
class TestClusterObject(unittest.TestCase):
"""Tests done on a L{objects.Cluster}"""
def setUp(self):
hvparams = {
constants.HT_FAKE: {
"foo": "bar",
"bar": "foo",
"foobar": "barfoo",
},
}
os_hvp = {
"lenny-image": {
constants.HT_FAKE: {
"foo": "baz",
"foobar": "foobar",
"blah": "blibb",
"blubb": "blah",
},
constants.HT_XEN_PVM: {
"root_path": "/dev/sda5",
"foo": "foobar",
},
},
"ubuntu-hardy": {
},
}
ndparams = {
constants.ND_OOB_PROGRAM: "/bin/cluster-oob"
}
self.fake_cl = objects.Cluster(hvparams=hvparams, os_hvp=os_hvp,
ndparams=ndparams)
self.fake_cl.UpgradeConfig()
def testGetHVDefaults(self):
cl = self.fake_cl
self.failUnlessEqual(cl.GetHVDefaults(constants.HT_FAKE),
cl.hvparams[constants.HT_FAKE])
self.failUnlessEqual(cl.GetHVDefaults(None), {})
self.failUnlessEqual(cl.GetHVDefaults(constants.HT_XEN_PVM,
os_name="lenny-image"),
cl.os_hvp["lenny-image"][constants.HT_XEN_PVM])
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def testFillHvFullMerge(self):
inst_hvparams = {
"blah": "blubb",
}
fake_dict = {
"foo": "baz",
"bar": "foo",
"foobar": "foobar",
"blah": "blubb",
"blubb": "blah",
}
fake_inst = objects.Instance(name="foobar",
os="lenny-image",
hypervisor=constants.HT_FAKE,
hvparams=inst_hvparams)
self.assertEqual(fake_dict, self.fake_cl.FillHV(fake_inst))
def testFillHvGlobalParams(self):
fake_inst = objects.Instance(name="foobar",
os="ubuntu-hardy",
hypervisor=constants.HT_FAKE,
hvparams={})
self.assertEqual(self.fake_cl.hvparams[constants.HT_FAKE],
self.fake_cl.FillHV(fake_inst))
def testFillHvInstParams(self):
inst_hvparams = {
"blah": "blubb",
}
fake_inst = objects.Instance(name="foobar",
os="ubuntu-hardy",
hypervisor=constants.HT_XEN_PVM,
hvparams=inst_hvparams)
self.assertEqual(inst_hvparams, self.fake_cl.FillHV(fake_inst))
def testFillHvEmptyParams(self):
fake_inst = objects.Instance(name="foobar",
os="ubuntu-hardy",
hypervisor=constants.HT_XEN_PVM,
hvparams={})
self.assertEqual({}, self.fake_cl.FillHV(fake_inst))
def testFillHvPartialParams(self):
os = "lenny-image"
fake_inst = objects.Instance(name="foobar",
os=os,
hypervisor=constants.HT_XEN_PVM,
hvparams={})
self.assertEqual(self.fake_cl.os_hvp[os][constants.HT_XEN_PVM],
self.fake_cl.FillHV(fake_inst))
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def testFillNdParamsCluster(self):
fake_node = objects.Node(name="test",
ndparams={},
group="testgroup")
fake_group = objects.NodeGroup(name="testgroup",
ndparams={})
self.assertEqual(self.fake_cl.ndparams,
self.fake_cl.FillND(fake_node, fake_group))
def testFillNdParamsNodeGroup(self):
fake_node = objects.Node(name="test",
ndparams={},
group="testgroup")
group_ndparams = {
constants.ND_OOB_PROGRAM: "/bin/group-oob"
}
fake_group = objects.NodeGroup(name="testgroup",
ndparams=group_ndparams)
self.assertEqual(group_ndparams,
self.fake_cl.FillND(fake_node, fake_group))
def testFillNdParamsNode(self):
node_ndparams = {
constants.ND_OOB_PROGRAM: "/bin/node-oob"
}
fake_node = objects.Node(name="test",
ndparams=node_ndparams,
group="testgroup")
fake_group = objects.NodeGroup(name="testgroup",
ndparams={})
self.assertEqual(node_ndparams,
self.fake_cl.FillND(fake_node, fake_group))
def testFillNdParamsAll(self):
node_ndparams = {
constants.ND_OOB_PROGRAM: "/bin/node-oob"
}
fake_node = objects.Node(name="test",
ndparams=node_ndparams,
group="testgroup")
group_ndparams = {
constants.ND_OOB_PROGRAM: "/bin/group-oob"
}
fake_group = objects.NodeGroup(name="testgroup",
ndparams=group_ndparams)
self.assertEqual(node_ndparams,
self.fake_cl.FillND(fake_node, fake_group))
class TestOS(unittest.TestCase):
ALL_DATA = [
"debootstrap",
"debootstrap+default",
"debootstrap++default",
]
def testSplitNameVariant(self):
for name in self.ALL_DATA:
self.assertEqual(len(objects.OS.SplitNameVariant(name)), 2)
def testVariant(self):
self.assertEqual(objects.OS.GetVariant("debootstrap"), "")
self.assertEqual(objects.OS.GetVariant("debootstrap+default"), "default")
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class TestInstance(unittest.TestCase):
def _GenericCheck(self, inst):
for i in [inst.all_nodes, inst.secondary_nodes]:
self.assertTrue(isinstance(inst.all_nodes, (list, tuple)),
msg="Data type doesn't guarantee order")
self.assertTrue(inst.primary_node not in inst.secondary_nodes)
self.assertEqual(inst.all_nodes[0], inst.primary_node,
msg="Primary node not first node in list")
def testNodesNoDisks(self):
inst = objects.Instance(name="fakeinst.example.com",
primary_node="pnode.example.com",
disks=[
])
self._GenericCheck(inst)
self.assertEqual(len(inst.secondary_nodes), 0)
self.assertEqual(set(inst.all_nodes), set([inst.primary_node]))
self.assertEqual(inst.MapLVsByNode(), {
inst.primary_node: [],
})
def testNodesPlainDisks(self):
inst = objects.Instance(name="fakeinstplain.example.com",
primary_node="node3.example.com",
disks=[
objects.Disk(dev_type=constants.LD_LV, size=128,
logical_id=("myxenvg", "disk25494")),
objects.Disk(dev_type=constants.LD_LV, size=512,
logical_id=("myxenvg", "disk29071")),
])
self._GenericCheck(inst)
self.assertEqual(len(inst.secondary_nodes), 0)
self.assertEqual(set(inst.all_nodes), set([inst.primary_node]))
self.assertEqual(inst.MapLVsByNode(), {
inst.primary_node: ["myxenvg/disk25494", "myxenvg/disk29071"],
})
def testNodesDrbdDisks(self):
inst = objects.Instance(name="fakeinstdrbd.example.com",
primary_node="node10.example.com",
disks=[
objects.Disk(dev_type=constants.LD_DRBD8, size=786432,
logical_id=("node10.example.com", "node15.example.com",
12300, 0, 0, "secret"),
children=[
objects.Disk(dev_type=constants.LD_LV, size=786432,
logical_id=("myxenvg", "disk0")),
objects.Disk(dev_type=constants.LD_LV, size=128,
logical_id=("myxenvg", "meta0"))
],
iv_name="disk/0")
])
self._GenericCheck(inst)
self.assertEqual(set(inst.secondary_nodes), set(["node15.example.com"]))
self.assertEqual(set(inst.all_nodes),
set([inst.primary_node, "node15.example.com"]))
self.assertEqual(inst.MapLVsByNode(), {
inst.primary_node: ["myxenvg/disk0", "myxenvg/meta0"],
"node15.example.com": ["myxenvg/disk0", "myxenvg/meta0"],
})
self.assertEqual(inst.FindDisk(0), inst.disks[0])
self.assertRaises(errors.OpPrereqError, inst.FindDisk, "hello")
self.assertRaises(errors.OpPrereqError, inst.FindDisk, 100)
self.assertRaises(errors.OpPrereqError, inst.FindDisk, 1)
if __name__ == '__main__':