718 lines
30 KiB
Python
718 lines
30 KiB
Python
# Copyright (c) 2012 NTT DOCOMO, INC.
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# Copyright 2011 OpenStack Foundation
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# Copyright 2011 Ilya Alekseyev
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import fixtures
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import mock
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import os
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import tempfile
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from oslo.config import cfg
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from ironic.common import disk_partitioner
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from ironic.common import exception
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from ironic.common import utils as common_utils
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from ironic.drivers.modules import deploy_utils as utils
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from ironic.openstack.common import processutils
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from ironic.tests import base as tests_base
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_PXECONF_DEPLOY = """
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default deploy
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label deploy
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kernel deploy_kernel
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append initrd=deploy_ramdisk
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ipappend 3
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label boot
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kernel kernel
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append initrd=ramdisk root={{ ROOT }}
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"""
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_PXECONF_BOOT = """
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default boot
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label deploy
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kernel deploy_kernel
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append initrd=deploy_ramdisk
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ipappend 3
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label boot
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kernel kernel
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append initrd=ramdisk root=UUID=12345678-1234-1234-1234-1234567890abcdef
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"""
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_IPXECONF_DEPLOY = """
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#!ipxe
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dhcp
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goto deploy
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:deploy
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kernel deploy_kernel
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initrd deploy_ramdisk
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boot
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:boot
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kernel kernel
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append initrd=ramdisk root={{ ROOT }}
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boot
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"""
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_IPXECONF_BOOT = """
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#!ipxe
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dhcp
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goto boot
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:deploy
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kernel deploy_kernel
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initrd deploy_ramdisk
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boot
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:boot
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kernel kernel
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append initrd=ramdisk root=UUID=12345678-1234-1234-1234-1234567890abcdef
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boot
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"""
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class PhysicalWorkTestCase(tests_base.TestCase):
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def setUp(self):
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super(PhysicalWorkTestCase, self).setUp()
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def noop(*args, **kwargs):
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pass
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self.useFixture(fixtures.MonkeyPatch('time.sleep', noop))
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def _mock_calls(self, name_list):
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patch_list = [mock.patch.object(utils, name) for name in name_list]
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mock_list = [patcher.start() for patcher in patch_list]
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for patcher in patch_list:
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self.addCleanup(patcher.stop)
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parent_mock = mock.MagicMock()
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for mocker, name in zip(mock_list, name_list):
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parent_mock.attach_mock(mocker, name)
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return parent_mock
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def test_deploy(self):
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"""Check loosely all functions are called with right args."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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ephemeral_mb = 0
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ephemeral_format = None
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node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
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dev = '/dev/fake'
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swap_part = '/dev/fake-part1'
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root_part = '/dev/fake-part2'
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root_uuid = '12345678-1234-1234-12345678-12345678abcdef'
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name_list = ['get_dev', 'get_image_mb', 'discovery', 'login_iscsi',
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'logout_iscsi', 'delete_iscsi', 'make_partitions',
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'is_block_device', 'dd', 'mkswap', 'block_uuid',
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'switch_pxe_config', 'notify', 'destroy_disk_metadata']
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parent_mock = self._mock_calls(name_list)
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parent_mock.get_dev.return_value = dev
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parent_mock.get_image_mb.return_value = 1
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parent_mock.is_block_device.return_value = True
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parent_mock.block_uuid.return_value = root_uuid
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parent_mock.make_partitions.return_value = {'root': root_part,
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'swap': swap_part}
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calls_expected = [mock.call.get_dev(address, port, iqn, lun),
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mock.call.get_image_mb(image_path),
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mock.call.discovery(address, port),
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mock.call.login_iscsi(address, port, iqn),
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mock.call.is_block_device(dev),
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mock.call.destroy_disk_metadata(dev, node_uuid),
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mock.call.make_partitions(dev, root_mb, swap_mb,
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ephemeral_mb,
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commit=True),
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mock.call.is_block_device(root_part),
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mock.call.is_block_device(swap_part),
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mock.call.dd(image_path, root_part),
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mock.call.mkswap(swap_part),
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mock.call.block_uuid(root_part),
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mock.call.logout_iscsi(address, port, iqn),
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mock.call.delete_iscsi(address, port, iqn),
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mock.call.switch_pxe_config(pxe_config_path,
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root_uuid),
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mock.call.notify(address, 10000)]
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utils.deploy(address, port, iqn, lun, image_path, pxe_config_path,
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root_mb, swap_mb, ephemeral_mb, ephemeral_format,
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node_uuid)
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self.assertEqual(calls_expected, parent_mock.mock_calls)
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def test_deploy_without_swap(self):
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"""Check loosely all functions are called with right args."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 0
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ephemeral_mb = 0
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ephemeral_format = None
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node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
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dev = '/dev/fake'
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root_part = '/dev/fake-part1'
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root_uuid = '12345678-1234-1234-12345678-12345678abcdef'
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name_list = ['get_dev', 'get_image_mb', 'discovery', 'login_iscsi',
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'logout_iscsi', 'delete_iscsi', 'make_partitions',
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'is_block_device', 'dd', 'block_uuid',
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'switch_pxe_config', 'notify', 'destroy_disk_metadata']
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parent_mock = self._mock_calls(name_list)
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parent_mock.get_dev.return_value = dev
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parent_mock.get_image_mb.return_value = 1
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parent_mock.is_block_device.return_value = True
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parent_mock.block_uuid.return_value = root_uuid
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parent_mock.make_partitions.return_value = {'root': root_part}
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calls_expected = [mock.call.get_dev(address, port, iqn, lun),
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mock.call.get_image_mb(image_path),
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mock.call.discovery(address, port),
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mock.call.login_iscsi(address, port, iqn),
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mock.call.is_block_device(dev),
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mock.call.destroy_disk_metadata(dev, node_uuid),
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mock.call.make_partitions(dev, root_mb, swap_mb,
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ephemeral_mb,
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commit=True),
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mock.call.is_block_device(root_part),
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mock.call.dd(image_path, root_part),
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mock.call.block_uuid(root_part),
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mock.call.logout_iscsi(address, port, iqn),
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mock.call.delete_iscsi(address, port, iqn),
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mock.call.switch_pxe_config(pxe_config_path,
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root_uuid),
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mock.call.notify(address, 10000)]
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utils.deploy(address, port, iqn, lun, image_path, pxe_config_path,
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root_mb, swap_mb, ephemeral_mb, ephemeral_format,
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node_uuid)
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self.assertEqual(calls_expected, parent_mock.mock_calls)
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def test_deploy_with_ephemeral(self):
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"""Check loosely all functions are called with right args."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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ephemeral_mb = 256
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ephemeral_format = 'exttest'
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node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
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dev = '/dev/fake'
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ephemeral_part = '/dev/fake-part1'
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swap_part = '/dev/fake-part2'
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root_part = '/dev/fake-part3'
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root_uuid = '12345678-1234-1234-12345678-12345678abcdef'
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name_list = ['get_dev', 'get_image_mb', 'discovery', 'login_iscsi',
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'logout_iscsi', 'delete_iscsi', 'make_partitions',
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'is_block_device', 'dd', 'mkswap', 'block_uuid',
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'switch_pxe_config', 'notify', 'mkfs_ephemeral',
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'destroy_disk_metadata']
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parent_mock = self._mock_calls(name_list)
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parent_mock.get_dev.return_value = dev
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parent_mock.get_image_mb.return_value = 1
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parent_mock.is_block_device.return_value = True
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parent_mock.block_uuid.return_value = root_uuid
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parent_mock.make_partitions.return_value = {'swap': swap_part,
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'ephemeral': ephemeral_part,
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'root': root_part}
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calls_expected = [mock.call.get_dev(address, port, iqn, lun),
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mock.call.get_image_mb(image_path),
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mock.call.discovery(address, port),
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mock.call.login_iscsi(address, port, iqn),
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mock.call.is_block_device(dev),
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mock.call.destroy_disk_metadata(dev, node_uuid),
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mock.call.make_partitions(dev, root_mb, swap_mb,
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ephemeral_mb,
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commit=True),
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mock.call.is_block_device(root_part),
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mock.call.is_block_device(swap_part),
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mock.call.is_block_device(ephemeral_part),
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mock.call.dd(image_path, root_part),
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mock.call.mkswap(swap_part),
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mock.call.mkfs_ephemeral(ephemeral_part,
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ephemeral_format),
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mock.call.block_uuid(root_part),
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mock.call.logout_iscsi(address, port, iqn),
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mock.call.delete_iscsi(address, port, iqn),
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mock.call.switch_pxe_config(pxe_config_path,
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root_uuid),
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mock.call.notify(address, 10000)]
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utils.deploy(address, port, iqn, lun, image_path, pxe_config_path,
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root_mb, swap_mb, ephemeral_mb, ephemeral_format,
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node_uuid)
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self.assertEqual(calls_expected, parent_mock.mock_calls)
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def test_deploy_preserve_ephemeral(self):
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"""Check if all functions are called with right args."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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ephemeral_mb = 256
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ephemeral_format = 'exttest'
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node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
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dev = '/dev/fake'
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ephemeral_part = '/dev/fake-part1'
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swap_part = '/dev/fake-part2'
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root_part = '/dev/fake-part3'
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root_uuid = '12345678-1234-1234-12345678-12345678abcdef'
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name_list = ['get_dev', 'get_image_mb', 'discovery', 'login_iscsi',
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'logout_iscsi', 'delete_iscsi', 'make_partitions',
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'is_block_device', 'dd', 'mkswap', 'block_uuid',
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'switch_pxe_config', 'notify', 'mkfs_ephemeral',
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'get_dev_block_size']
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parent_mock = self._mock_calls(name_list)
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parent_mock.get_dev.return_value = dev
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parent_mock.get_image_mb.return_value = 1
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parent_mock.is_block_device.return_value = True
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parent_mock.block_uuid.return_value = root_uuid
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parent_mock.make_partitions.return_value = {'swap': swap_part,
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'ephemeral': ephemeral_part,
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'root': root_part}
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parent_mock.block_uuid.return_value = root_uuid
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calls_expected = [mock.call.get_dev(address, port, iqn, lun),
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mock.call.get_image_mb(image_path),
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mock.call.discovery(address, port),
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mock.call.login_iscsi(address, port, iqn),
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mock.call.is_block_device(dev),
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mock.call.make_partitions(dev, root_mb, swap_mb,
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ephemeral_mb,
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commit=False),
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mock.call.is_block_device(root_part),
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mock.call.is_block_device(swap_part),
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mock.call.is_block_device(ephemeral_part),
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mock.call.dd(image_path, root_part),
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mock.call.mkswap(swap_part),
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mock.call.block_uuid(root_part),
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mock.call.logout_iscsi(address, port, iqn),
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mock.call.delete_iscsi(address, port, iqn),
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mock.call.switch_pxe_config(pxe_config_path,
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root_uuid),
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mock.call.notify(address, 10000)]
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utils.deploy(address, port, iqn, lun, image_path, pxe_config_path,
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root_mb, swap_mb, ephemeral_mb, ephemeral_format,
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node_uuid, preserve_ephemeral=True)
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self.assertEqual(calls_expected, parent_mock.mock_calls)
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self.assertFalse(parent_mock.mkfs_ephemeral.called)
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self.assertFalse(parent_mock.get_dev_block_size.called)
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def test_always_logout_and_delete_iscsi(self):
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"""Check if logout_iscsi() and delete_iscsi() are called.
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Make sure that logout_iscsi() and delete_iscsi() are called once
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login_iscsi() is invoked.
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"""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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ephemeral_mb = 256
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ephemeral_format = 'exttest'
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node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
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dev = '/dev/fake'
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class TestException(Exception):
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pass
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name_list = ['get_dev', 'get_image_mb', 'discovery', 'login_iscsi',
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'logout_iscsi', 'delete_iscsi', 'work_on_disk']
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patch_list = [mock.patch.object(utils, name) for name in name_list]
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mock_list = [patcher.start() for patcher in patch_list]
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for patcher in patch_list:
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self.addCleanup(patcher.stop)
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parent_mock = mock.MagicMock()
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for mocker, name in zip(mock_list, name_list):
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parent_mock.attach_mock(mocker, name)
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parent_mock.get_dev.return_value = dev
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parent_mock.get_image_mb.return_value = 1
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parent_mock.work_on_disk.side_effect = TestException
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calls_expected = [mock.call.get_dev(address, port, iqn, lun),
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mock.call.get_image_mb(image_path),
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mock.call.discovery(address, port),
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mock.call.login_iscsi(address, port, iqn),
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mock.call.work_on_disk(dev, root_mb, swap_mb,
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ephemeral_mb,
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ephemeral_format, image_path,
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node_uuid, False),
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mock.call.logout_iscsi(address, port, iqn),
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mock.call.delete_iscsi(address, port, iqn)]
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self.assertRaises(TestException, utils.deploy,
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address, port, iqn, lun, image_path,
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pxe_config_path, root_mb, swap_mb, ephemeral_mb,
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ephemeral_format, node_uuid)
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self.assertEqual(calls_expected, parent_mock.mock_calls)
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class SwitchPxeConfigTestCase(tests_base.TestCase):
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def _create_config(self, ipxe=False):
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(fd, fname) = tempfile.mkstemp()
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pxe_cfg = _IPXECONF_DEPLOY if ipxe else _PXECONF_DEPLOY
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os.write(fd, pxe_cfg)
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os.close(fd)
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self.addCleanup(os.unlink, fname)
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return fname
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def test_switch_pxe_config(self):
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fname = self._create_config()
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utils.switch_pxe_config(fname,
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'12345678-1234-1234-1234-1234567890abcdef')
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with open(fname, 'r') as f:
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pxeconf = f.read()
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self.assertEqual(_PXECONF_BOOT, pxeconf)
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def test_switch_ipxe_config(self):
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cfg.CONF.set_override('ipxe_enabled', True, 'pxe')
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fname = self._create_config(ipxe=True)
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utils.switch_pxe_config(fname,
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'12345678-1234-1234-1234-1234567890abcdef')
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with open(fname, 'r') as f:
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pxeconf = f.read()
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self.assertEqual(_IPXECONF_BOOT, pxeconf)
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class OtherFunctionTestCase(tests_base.TestCase):
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def test_get_dev(self):
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expected = '/dev/disk/by-path/ip-1.2.3.4:5678-iscsi-iqn.fake-lun-9'
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actual = utils.get_dev('1.2.3.4', 5678, 'iqn.fake', 9)
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self.assertEqual(expected, actual)
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def test_get_image_mb(self):
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mb = 1024 * 1024
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size = None
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def fake_getsize(path):
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return size
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self.useFixture(fixtures.MonkeyPatch('os.path.getsize', fake_getsize))
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size = 0
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self.assertEqual(0, utils.get_image_mb('x'))
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size = 1
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self.assertEqual(1, utils.get_image_mb('x'))
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size = mb
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self.assertEqual(1, utils.get_image_mb('x'))
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size = mb + 1
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self.assertEqual(2, utils.get_image_mb('x'))
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@mock.patch.object(disk_partitioner.DiskPartitioner, 'commit', lambda _: None)
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class WorkOnDiskTestCase(tests_base.TestCase):
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def setUp(self):
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super(WorkOnDiskTestCase, self).setUp()
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self.image_path = '/tmp/xyz/image'
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self.root_mb = 128
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self.swap_mb = 64
|
|
self.ephemeral_mb = 0
|
|
self.ephemeral_format = None
|
|
self.dev = '/dev/fake'
|
|
self.swap_part = '/dev/fake-part1'
|
|
self.root_part = '/dev/fake-part2'
|
|
|
|
self.mock_ibd = mock.patch.object(utils, 'is_block_device').start()
|
|
self.mock_mp = mock.patch.object(utils, 'make_partitions').start()
|
|
self.addCleanup(self.mock_ibd.stop)
|
|
self.addCleanup(self.mock_mp.stop)
|
|
self.mock_remlbl = mock.patch.object(utils,
|
|
'destroy_disk_metadata').start()
|
|
self.addCleanup(self.mock_remlbl.stop)
|
|
self.mock_mp.return_value = {'swap': self.swap_part,
|
|
'root': self.root_part}
|
|
|
|
def test_no_parent_device(self):
|
|
self.mock_ibd.return_value = False
|
|
self.assertRaises(exception.InstanceDeployFailure,
|
|
utils.work_on_disk, self.dev, self.root_mb,
|
|
self.swap_mb, self.ephemeral_mb,
|
|
self.ephemeral_format, self.image_path, False)
|
|
self.mock_ibd.assert_called_once_with(self.dev)
|
|
self.assertFalse(self.mock_mp.called,
|
|
"make_partitions mock was unexpectedly called.")
|
|
|
|
def test_no_root_partition(self):
|
|
self.mock_ibd.side_effect = [True, False]
|
|
calls = [mock.call(self.dev),
|
|
mock.call(self.root_part)]
|
|
self.assertRaises(exception.InstanceDeployFailure,
|
|
utils.work_on_disk, self.dev, self.root_mb,
|
|
self.swap_mb, self.ephemeral_mb,
|
|
self.ephemeral_format, self.image_path, False)
|
|
self.assertEqual(self.mock_ibd.call_args_list, calls)
|
|
self.mock_mp.assert_called_once_with(self.dev, self.root_mb,
|
|
self.swap_mb, self.ephemeral_mb,
|
|
commit=True)
|
|
|
|
def test_no_swap_partition(self):
|
|
self.mock_ibd.side_effect = [True, True, False]
|
|
calls = [mock.call(self.dev),
|
|
mock.call(self.root_part),
|
|
mock.call(self.swap_part)]
|
|
self.assertRaises(exception.InstanceDeployFailure,
|
|
utils.work_on_disk, self.dev, self.root_mb,
|
|
self.swap_mb, self.ephemeral_mb,
|
|
self.ephemeral_format, self.image_path, False)
|
|
self.assertEqual(self.mock_ibd.call_args_list, calls)
|
|
self.mock_mp.assert_called_once_with(self.dev, self.root_mb,
|
|
self.swap_mb, self.ephemeral_mb,
|
|
commit=True)
|
|
|
|
def test_no_ephemeral_partition(self):
|
|
ephemeral_part = '/dev/fake-part1'
|
|
swap_part = '/dev/fake-part2'
|
|
root_part = '/dev/fake-part3'
|
|
ephemeral_mb = 256
|
|
ephemeral_format = 'exttest'
|
|
|
|
self.mock_mp.return_value = {'ephemeral': ephemeral_part,
|
|
'swap': swap_part,
|
|
'root': root_part}
|
|
self.mock_ibd.side_effect = [True, True, True, False]
|
|
calls = [mock.call(self.dev),
|
|
mock.call(root_part),
|
|
mock.call(swap_part),
|
|
mock.call(ephemeral_part)]
|
|
self.assertRaises(exception.InstanceDeployFailure,
|
|
utils.work_on_disk, self.dev, self.root_mb,
|
|
self.swap_mb, ephemeral_mb, ephemeral_format,
|
|
self.image_path, False)
|
|
self.assertEqual(self.mock_ibd.call_args_list, calls)
|
|
self.mock_mp.assert_called_once_with(self.dev, self.root_mb,
|
|
self.swap_mb, ephemeral_mb,
|
|
commit=True)
|
|
|
|
|
|
@mock.patch.object(common_utils, 'execute')
|
|
class MakePartitionsTestCase(tests_base.TestCase):
|
|
|
|
def setUp(self):
|
|
super(MakePartitionsTestCase, self).setUp()
|
|
self.dev = 'fake-dev'
|
|
self.root_mb = 1024
|
|
self.swap_mb = 512
|
|
self.ephemeral_mb = 0
|
|
self.parted_static_cmd = ['parted', '-a', 'optimal', '-s', self.dev,
|
|
'--', 'unit', 'MiB', 'mklabel', 'msdos']
|
|
|
|
def test_make_partitions(self, mock_exc):
|
|
mock_exc.return_value = (None, None)
|
|
utils.make_partitions(self.dev, self.root_mb, self.swap_mb,
|
|
self.ephemeral_mb)
|
|
|
|
expected_mkpart = ['mkpart', 'primary', 'linux-swap', '1', '513',
|
|
'mkpart', 'primary', '', '513', '1537']
|
|
parted_cmd = self.parted_static_cmd + expected_mkpart
|
|
parted_call = mock.call(*parted_cmd, run_as_root=True,
|
|
check_exit_code=[0])
|
|
fuser_cmd = ['fuser', 'fake-dev']
|
|
fuser_call = mock.call(*fuser_cmd, run_as_root=True,
|
|
check_exit_code=[0, 1])
|
|
mock_exc.assert_has_calls([parted_call, fuser_call])
|
|
|
|
def test_make_partitions_with_ephemeral(self, mock_exc):
|
|
self.ephemeral_mb = 2048
|
|
expected_mkpart = ['mkpart', 'primary', '', '1', '2049',
|
|
'mkpart', 'primary', 'linux-swap', '2049', '2561',
|
|
'mkpart', 'primary', '', '2561', '3585']
|
|
cmd = self.parted_static_cmd + expected_mkpart
|
|
mock_exc.return_value = (None, None)
|
|
utils.make_partitions(self.dev, self.root_mb, self.swap_mb,
|
|
self.ephemeral_mb)
|
|
|
|
parted_call = mock.call(*cmd, run_as_root=True, check_exit_code=[0])
|
|
mock_exc.assert_has_calls(parted_call)
|
|
|
|
|
|
@mock.patch.object(utils, 'get_dev_block_size')
|
|
@mock.patch.object(common_utils, 'execute')
|
|
class DestroyMetaDataTestCase(tests_base.TestCase):
|
|
|
|
def setUp(self):
|
|
super(DestroyMetaDataTestCase, self).setUp()
|
|
self.dev = 'fake-dev'
|
|
self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
|
|
|
|
def test_destroy_disk_metadata(self, mock_exec, mock_gz):
|
|
mock_gz.return_value = 64
|
|
expected_calls = [mock.call('dd', 'if=/dev/zero', 'of=fake-dev',
|
|
'bs=512', 'count=36', run_as_root=True,
|
|
check_exit_code=[0]),
|
|
mock.call('dd', 'if=/dev/zero', 'of=fake-dev',
|
|
'bs=512', 'count=36', 'seek=28',
|
|
run_as_root=True,
|
|
check_exit_code=[0])]
|
|
utils.destroy_disk_metadata(self.dev, self.node_uuid)
|
|
mock_exec.assert_has_calls(expected_calls)
|
|
self.assertTrue(mock_gz.called)
|
|
|
|
def test_destroy_disk_metadata_get_dev_size_fail(self, mock_exec, mock_gz):
|
|
mock_gz.side_effect = processutils.ProcessExecutionError
|
|
|
|
expected_call = [mock.call('dd', 'if=/dev/zero', 'of=fake-dev',
|
|
'bs=512', 'count=36', run_as_root=True,
|
|
check_exit_code=[0])]
|
|
self.assertRaises(processutils.ProcessExecutionError,
|
|
utils.destroy_disk_metadata,
|
|
self.dev,
|
|
self.node_uuid)
|
|
mock_exec.assert_has_calls(expected_call)
|
|
|
|
def test_destroy_disk_metadata_dd_fail(self, mock_exec, mock_gz):
|
|
mock_exec.side_effect = processutils.ProcessExecutionError
|
|
|
|
expected_call = [mock.call('dd', 'if=/dev/zero', 'of=fake-dev',
|
|
'bs=512', 'count=36', run_as_root=True,
|
|
check_exit_code=[0])]
|
|
self.assertRaises(processutils.ProcessExecutionError,
|
|
utils.destroy_disk_metadata,
|
|
self.dev,
|
|
self.node_uuid)
|
|
mock_exec.assert_has_calls(expected_call)
|
|
self.assertFalse(mock_gz.called)
|
|
|
|
|
|
@mock.patch.object(common_utils, 'execute')
|
|
class GetDeviceBlockSizeTestCase(tests_base.TestCase):
|
|
|
|
def setUp(self):
|
|
super(GetDeviceBlockSizeTestCase, self).setUp()
|
|
self.dev = 'fake-dev'
|
|
self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
|
|
|
|
def test_get_dev_block_size(self, mock_exec):
|
|
mock_exec.return_value = ("64", "")
|
|
expected_call = [mock.call('blockdev', '--getsz', self.dev,
|
|
run_as_root=True, check_exit_code=[0])]
|
|
utils.get_dev_block_size(self.dev)
|
|
mock_exec.assert_has_calls(expected_call)
|
|
|
|
|
|
@mock.patch.object(utils, 'is_block_device', lambda d: True)
|
|
@mock.patch.object(utils, 'block_uuid', lambda p: 'uuid')
|
|
@mock.patch.object(utils, 'dd', lambda *_: None)
|
|
@mock.patch.object(common_utils, 'mkfs', lambda *_: None)
|
|
# NOTE(dtantsur): destroy_disk_metadata resets file size, disabling it
|
|
@mock.patch.object(utils, 'destroy_disk_metadata', lambda *_: None)
|
|
class RealFilePartitioningTestCase(tests_base.TestCase):
|
|
"""This test applies some real-world partitioning scenario to a file.
|
|
|
|
This test covers the whole partitioning, mocking everything not possible
|
|
on a file. That helps us assure, that we do all partitioning math properly
|
|
and also conducts integration testing of DiskPartitioner.
|
|
"""
|
|
|
|
def setUp(self):
|
|
super(RealFilePartitioningTestCase, self).setUp()
|
|
# NOTE(dtantsur): no parted utility on gate-ironic-python26
|
|
try:
|
|
common_utils.execute('parted', '--version')
|
|
except OSError as exc:
|
|
self.skipTest('parted utility was not found: %s' % exc)
|
|
self.file = tempfile.NamedTemporaryFile(delete=False)
|
|
# NOTE(ifarkas): the file needs to be closed, so fuser won't report
|
|
# any usage
|
|
self.file.close()
|
|
# NOTE(dtantsur): 20 MiB file with zeros
|
|
common_utils.execute('dd', 'if=/dev/zero', 'of=%s' % self.file.name,
|
|
'bs=1', 'count=0', 'seek=20MiB')
|
|
|
|
@staticmethod
|
|
def _run_without_root(func, *args, **kwargs):
|
|
"""Make sure root is not required when using utils.execute."""
|
|
real_execute = common_utils.execute
|
|
|
|
def fake_execute(*cmd, **kwargs):
|
|
kwargs['run_as_root'] = False
|
|
return real_execute(*cmd, **kwargs)
|
|
|
|
with mock.patch.object(common_utils, 'execute', fake_execute):
|
|
return func(*args, **kwargs)
|
|
|
|
def test_different_sizes(self):
|
|
# NOTE(dtantsur): Keep this list in order with expected partitioning
|
|
fields = ['ephemeral_mb', 'swap_mb', 'root_mb']
|
|
variants = ((0, 0, 12), (4, 2, 8), (0, 4, 10), (5, 0, 10))
|
|
for variant in variants:
|
|
kwargs = dict(zip(fields, variant))
|
|
self._run_without_root(utils.work_on_disk, self.file.name,
|
|
ephemeral_format='ext4', node_uuid='',
|
|
image_path='path', **kwargs)
|
|
part_table = self._run_without_root(
|
|
disk_partitioner.list_partitions, self.file.name)
|
|
for part, expected_size in zip(part_table, filter(None, variant)):
|
|
self.assertEqual(expected_size, part['size'],
|
|
"comparison failed for %s" % list(variant))
|
|
|
|
def test_whole_disk(self):
|
|
# 6 MiB ephemeral + 3 MiB swap + 9 MiB root + 1 MiB for MBR
|
|
# + 1 MiB MAGIC == 20 MiB whole disk
|
|
# TODO(dtantsur): figure out why we need 'magic' 1 more MiB
|
|
# and why the is different on Ubuntu and Fedora (see below)
|
|
self._run_without_root(utils.work_on_disk, self.file.name,
|
|
root_mb=9, ephemeral_mb=6, swap_mb=3,
|
|
ephemeral_format='ext4', node_uuid='',
|
|
image_path='path')
|
|
part_table = self._run_without_root(
|
|
disk_partitioner.list_partitions, self.file.name)
|
|
sizes = [part['size'] for part in part_table]
|
|
# NOTE(dtantsur): parted in Ubuntu 12.04 will occupy the last MiB,
|
|
# parted in Fedora 20 won't - thus two possible variants for last part
|
|
self.assertEqual([6, 3], sizes[:2],
|
|
"unexpected partitioning %s" % part_table)
|
|
self.assertIn(sizes[2], (9, 10))
|