fuel-agent/fuel_agent/tests/test_partition.py
Alexander Gordeev 753a87c4bb fuel-agent: use different md metadata version
0.90 will be used for centos only letting GRUB-legacy to boot.
Otherwise, default (1.2) will be used as GRUB2 is able to deal with it.

Change-Id: I89c5178d991970de4682c1e239e0ecb014ba61bd
Closes-Bug: #1430432
2015-07-30 15:35:58 +03:00

436 lines
16 KiB
Python

# Copyright 2014 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import mock
import unittest2
from fuel_agent import errors
from fuel_agent import objects
class TestMultipleDevice(unittest2.TestCase):
def setUp(self):
super(self.__class__, self).setUp()
self.md = objects.MultipleDevice(name='name', level='level')
def test_add_device_ok(self):
self.assertEqual(0, len(self.md.devices))
self.md.add_device('device')
self.assertEqual(1, len(self.md.devices))
self.assertEqual('device', self.md.devices[0])
def test_add_device_in_spares_fail(self):
self.assertEqual(0, len(self.md.devices))
self.assertEqual(0, len(self.md.spares))
self.md.add_spare('device')
self.assertRaises(errors.MDDeviceDuplicationError, self.md.add_device,
'device')
def test_add_device_in_devices_fail(self):
self.assertEqual(0, len(self.md.devices))
self.assertEqual(0, len(self.md.spares))
self.md.add_device('device')
self.assertRaises(errors.MDDeviceDuplicationError, self.md.add_device,
'device')
def test_add_spare_in_spares_fail(self):
self.assertEqual(0, len(self.md.devices))
self.assertEqual(0, len(self.md.spares))
self.md.add_spare('device')
self.assertRaises(errors.MDDeviceDuplicationError, self.md.add_spare,
'device')
def test_add_spare_in_devices_fail(self):
self.assertEqual(0, len(self.md.devices))
self.assertEqual(0, len(self.md.spares))
self.md.add_device('device')
self.assertRaises(errors.MDDeviceDuplicationError, self.md.add_spare,
'device')
def test_conversion(self):
self.md.add_device('device_a')
self.md.add_spare('device_b')
serialized = self.md.to_dict()
assert serialized == {
'name': 'name',
'level': 'level',
'devices': ['device_a', ],
'spares': ['device_b', ],
'metadata': 'default',
'keep_data': False,
}
new_md = objects.MultipleDevice.from_dict(serialized)
assert serialized == new_md.to_dict()
class TestPartition(unittest2.TestCase):
def setUp(self):
super(TestPartition, self).setUp()
self.pt = objects.Partition('name', 'count', 'device', 'begin',
'end', 'partition_type')
def test_set_flag(self):
self.assertEqual(0, len(self.pt.flags))
self.pt.set_flag('fake_flag')
self.assertEqual(1, len(self.pt.flags))
self.assertIn('fake_flag', self.pt.flags)
def test_conversion(self):
self.pt.flags.append('some_flag')
self.pt.guid = 'some_guid'
serialized = self.pt.to_dict()
assert serialized == {
'begin': 'begin',
'configdrive': False,
'count': 'count',
'device': 'device',
'end': 'end',
'flags': ['some_flag', ],
'guid': 'some_guid',
'name': 'name',
'partition_type': 'partition_type',
'keep_data': False,
}
new_pt = objects.Partition.from_dict(serialized)
assert serialized == new_pt.to_dict()
class TestPartitionScheme(unittest2.TestCase):
def setUp(self):
super(TestPartitionScheme, self).setUp()
self.p_scheme = objects.PartitionScheme()
def test_root_device_not_found(self):
self.assertRaises(errors.WrongPartitionSchemeError,
self.p_scheme.root_device)
def test_fs_by_device(self):
expected_fs = objects.FileSystem('device')
self.p_scheme.fss.append(expected_fs)
self.p_scheme.fss.append(objects.FileSystem('wrong_device'))
actual_fs = self.p_scheme.fs_by_device('device')
self.assertEqual(expected_fs, actual_fs)
def test_fs_by_mount(self):
expected_fs = objects.FileSystem('d', mount='mount')
self.p_scheme.fss.append(expected_fs)
self.p_scheme.fss.append(objects.FileSystem('w_d',
mount='wrong_mount'))
actual_fs = self.p_scheme.fs_by_mount('mount')
self.assertEqual(expected_fs, actual_fs)
def test_pv_by_name(self):
expected_pv = objects.PhysicalVolume('pv')
self.p_scheme.pvs.append(expected_pv)
self.p_scheme.pvs.append(objects.PhysicalVolume('wrong_pv'))
actual_pv = self.p_scheme.pv_by_name('pv')
self.assertEqual(expected_pv, actual_pv)
def test_vg_by_name(self):
expected_vg = objects.VolumeGroup('vg')
self.p_scheme.vgs.append(expected_vg)
self.p_scheme.vgs.append(objects.VolumeGroup('wrong_vg'))
actual_vg = self.p_scheme.vg_by_name('vg')
self.assertEqual(expected_vg, actual_vg)
def test_vg_attach_by_name(self):
self.p_scheme.vg_attach_by_name('pvname', 'vgname')
self.assertEqual(1, len(self.p_scheme.pvs))
self.assertEqual(1, len(self.p_scheme.vgs))
self.assertIn('pvname', self.p_scheme.vgs[0].pvnames)
self.assertIn('vgname', self.p_scheme.vgs[0].name)
def test_md_next_name_ok(self):
expected_name = '/dev/md0'
self.assertEqual(expected_name, self.p_scheme.md_next_name())
def test_md_next_name_fail(self):
self.p_scheme.mds = [
objects.MultipleDevice('/dev/md%s' % x, 'level')
for x in range(0, 128)
]
self.assertRaises(errors.MDAlreadyExistsError,
self.p_scheme.md_next_name)
def test_partition_by_name(self):
parted_1 = self.p_scheme.add_parted(name='name_1', label='label_1')
parted_1.add_partition(size=1)
parted_2 = self.p_scheme.add_parted(name='name_2', label='label_2')
expected_prt = parted_2.add_partition(size=1)
actual_prt = self.p_scheme.partition_by_name(expected_prt.name)
self.assertEqual(expected_prt, actual_prt)
def test_md_by_name(self):
self.assertEqual(0, len(self.p_scheme.mds))
expected_md = objects.MultipleDevice('name', 'level')
self.p_scheme.mds.append(expected_md)
self.p_scheme.mds.append(objects.MultipleDevice('wrong_name', 'level'))
self.assertEqual(expected_md, self.p_scheme.md_by_name('name'))
def test_md_by_mount(self):
self.assertEqual(0, len(self.p_scheme.mds))
self.assertEqual(0, len(self.p_scheme.fss))
expected_md = objects.MultipleDevice('name', 'level')
expected_fs = objects.FileSystem('name', mount='mount')
self.p_scheme.mds.append(expected_md)
self.p_scheme.fss.append(expected_fs)
self.p_scheme.fss.append(objects.FileSystem('wrong_name',
mount='wrong_mount'))
self.assertEqual(expected_md, self.p_scheme.md_by_mount('mount'))
def test_md_attach_by_mount_md_exists(self):
self.assertEqual(0, len(self.p_scheme.mds))
self.assertEqual(0, len(self.p_scheme.fss))
expected_md = objects.MultipleDevice('name', 'level')
expected_fs = objects.FileSystem('name', mount='mount')
self.p_scheme.mds.append(expected_md)
self.p_scheme.fss.append(expected_fs)
actual_md = self.p_scheme.md_attach_by_mount('device', 'mount')
self.assertIn('device', actual_md.devices)
self.assertEqual(expected_md, actual_md)
def test_md_attach_by_mount_no_md(self):
self.assertEqual(0, len(self.p_scheme.mds))
self.assertEqual(0, len(self.p_scheme.fss))
actual_md = self.p_scheme.md_attach_by_mount(
'device', 'mount', fs_type='fs_type', fs_options='-F',
fs_label='fs_label', name='name', level='level')
self.assertIn('device', actual_md.devices)
self.assertEqual(1, len(self.p_scheme.fss))
self.assertEqual('name', self.p_scheme.fss[0].device)
self.assertEqual('mount', self.p_scheme.fss[0].mount)
self.assertEqual('fs_type', self.p_scheme.fss[0].type)
self.assertEqual('fs_label', self.p_scheme.fss[0].label)
self.assertEqual('-F', self.p_scheme.fss[0].options)
def test_elevate_keep_data(self):
self.assertEqual(0, len(self.p_scheme.vgs))
self.assertEqual(0, len(self.p_scheme.lvs))
self.assertEqual(0, len(self.p_scheme.fss))
parted = self.p_scheme.add_parted(name='fake_name', label='fake_label')
prt = parted.add_partition(size=1, keep_data=True)
self.p_scheme.vg_attach_by_name(prt.name, 'fake_vg')
vg = self.p_scheme.vgs[0]
self.p_scheme.add_lv(name='fake_lv', vgname=vg.name, size=1)
lv = self.p_scheme.lvs[0]
self.p_scheme.add_fs(device=lv.device_name, mount='fake_mount',
fs_type='xfs', fs_label='fake_label')
fs = self.p_scheme.fss[0]
self.p_scheme.elevate_keep_data()
self.assertTrue(fs.keep_data)
self.assertFalse(lv.keep_data)
self.assertFalse(vg.keep_data)
self.assertFalse(prt.keep_data)
class TestParted(unittest2.TestCase):
def setUp(self):
super(TestParted, self).setUp()
self.prtd = objects.Parted('name', 'label')
@mock.patch.object(objects.Parted, 'next_count')
@mock.patch.object(objects.Parted, 'next_type')
def test_next_name_none(self, nt_mock, nc_mock):
nc_mock.return_value = 1
nt_mock.return_value = 'extended'
self.assertEqual(None, self.prtd.next_name())
@mock.patch.object(objects.Parted, 'next_count')
@mock.patch.object(objects.Parted, 'next_type')
def test_next_name_no_separator(self, nt_mock, nc_mock):
nc_mock.return_value = 1
nt_mock.return_value = 'not_extended'
expected_name = '%s%s' % (self.prtd.name, 1)
self.assertEqual(expected_name, self.prtd.next_name())
@mock.patch.object(objects.Parted, 'next_count')
@mock.patch.object(objects.Parted, 'next_type')
def test_next_name_with_separator(self, nt_mock, nc_mock):
nc_mock.return_value = 1
nt_mock.return_value = 'not_extended'
self.prtd.name = '/dev/cciss/c0d0'
expected_name = '%sp%s' % (self.prtd.name, 1)
self.assertEqual(expected_name, self.prtd.next_name())
self.prtd.name = '/dev/loop123'
expected_name = '%sp%s' % (self.prtd.name, 1)
self.assertEqual(expected_name, self.prtd.next_name())
self.prtd.name = '/dev/nvme0n1'
expected_name = '%sp%s' % (self.prtd.name, 1)
self.assertEqual(expected_name, self.prtd.next_name())
def test_next_begin_empty_partitions(self):
self.assertEqual(1, self.prtd.next_begin())
def test_next_begin_last_extended_partition(self):
self.prtd.partitions.append(
objects.Partition('name', 'count', 'device', 'begin', 'end',
'extended'))
self.assertEqual('begin', self.prtd.next_begin())
def test_next_begin_no_last_extended_partition(self):
self.prtd.partitions.append(
objects.Partition('name', 'count', 'device', 'begin', 'end',
'primary'))
self.assertEqual('end', self.prtd.next_begin())
def test_next_count_no_logical(self):
self.assertEqual(1, self.prtd.next_count('primary'))
def test_next_count_has_logical(self):
self.prtd.partitions.append(
objects.Partition('name', 'count', 'device', 'begin', 'end',
'logical'))
self.assertEqual(6, self.prtd.next_count('logical'))
def test_next_type_gpt(self):
self.prtd.label = 'gpt'
self.assertEqual('primary', self.prtd.next_type())
def test_next_type_no_extended(self):
self.prtd.label = 'msdos'
self.assertEqual('primary', self.prtd.next_type())
self.prtd.partitions.extend(
3 * [objects.Partition('name', 'count', 'device', 'begin',
'end', 'primary')])
self.assertEqual('extended', self.prtd.next_type())
def test_next_type_has_extended(self):
self.prtd.label = 'msdos'
self.prtd.partitions.append(
objects.Partition('name', 'count', 'device', 'begin', 'end',
'extended'))
self.assertEqual('logical', self.prtd.next_type())
def test_primary(self):
expected_partitions = [objects.Partition('name', 'count', 'device',
'begin', 'end', 'primary')]
self.prtd.partitions.extend(expected_partitions)
self.assertEqual(expected_partitions, self.prtd.primary)
def test_partition_by_name(self):
self.prtd.add_partition(size=1)
self.prtd.add_partition(size=1)
expected_prt = self.prtd.add_partition(size=1)
actual_prt = self.prtd.partition_by_name(expected_prt.name)
self.assertEqual(expected_prt, actual_prt)
def test_conversion(self):
prt = objects.Partition(
name='name',
count='count',
device='device',
begin='begin',
end='end',
partition_type='primary',
keep_data=True
)
self.prtd.partitions.append(prt)
serialized = self.prtd.to_dict()
assert serialized == {
'label': 'label',
'name': 'name',
'partitions': [
prt.to_dict(),
],
'install_bootloader': False,
}
new_prtd = objects.Parted.from_dict(serialized)
assert serialized == new_prtd.to_dict()
class TestLogicalVolume(unittest2.TestCase):
def test_conversion(self):
lv = objects.LogicalVolume(
name='lv-name',
vgname='vg-name',
size=1234
)
serialized = lv.to_dict()
assert serialized == {
'name': 'lv-name',
'vgname': 'vg-name',
'size': 1234,
'keep_data': False,
}
new_lv = objects.LogicalVolume.from_dict(serialized)
assert serialized == new_lv.to_dict()
class TestPhysicalVolume(unittest2.TestCase):
def test_conversion(self):
pv = objects.PhysicalVolume(
name='pv-name',
metadatasize=987,
metadatacopies=112,
)
serialized = pv.to_dict()
assert serialized == {
'name': 'pv-name',
'metadatasize': 987,
'metadatacopies': 112,
'keep_data': False,
}
new_pv = objects.PhysicalVolume.from_dict(serialized)
assert serialized == new_pv.to_dict()
class TestVolumesGroup(unittest2.TestCase):
def test_conversion(self):
vg = objects.VolumeGroup(
name='vg-name',
pvnames=['pv-name-a', ]
)
serialized = vg.to_dict()
assert serialized == {
'name': 'vg-name',
'pvnames': ['pv-name-a', ],
'keep_data': False,
}
new_vg = objects.VolumeGroup.from_dict(serialized)
assert serialized == new_vg.to_dict()
class TestFileSystem(unittest2.TestCase):
def test_conversion(self):
fs = objects.FileSystem(
device='some-device',
mount='/mount',
fs_type='type',
fs_options='some-option',
fs_label='some-label',
)
serialized = fs.to_dict()
assert serialized == {
'device': 'some-device',
'mount': '/mount',
'fs_type': 'type',
'fs_options': 'some-option',
'fs_label': 'some-label',
'keep_data': False,
}
new_fs = objects.FileSystem.from_dict(serialized)
assert serialized == new_fs.to_dict()