Esempio n. 1
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    def test_extend_qcow_success(self):
        imgfile = tempfile.NamedTemporaryFile()
        imgsize = 10
        device = "/dev/sdh"
        use_cow = True

        self.flags(resize_fs_using_block_device=True)
        mounter = FakeMount.instance_for_format(imgfile, None, None, 'qcow2')
        mounter.device = device

        self.mox.StubOutWithMock(api, 'can_resize_image')
        self.mox.StubOutWithMock(utils, 'execute')
        self.mox.StubOutWithMock(api, 'is_image_extendable')
        self.mox.StubOutWithMock(mounter, 'get_dev')
        self.mox.StubOutWithMock(mounter, 'unget_dev')
        self.mox.StubOutWithMock(api, 'resize2fs')
        self.mox.StubOutWithMock(mount.Mount,
                                 'instance_for_format',
                                 use_mock_anything=True)

        api.can_resize_image(imgfile, imgsize).AndReturn(True)
        utils.execute('qemu-img', 'resize', imgfile, imgsize)
        api.is_image_extendable(imgfile, use_cow).AndReturn(True)
        mount.Mount.instance_for_format(imgfile, None, None,
                                        'qcow2').AndReturn(mounter)
        mounter.get_dev().AndReturn(True)
        api.resize2fs(mounter.device, run_as_root=True, check_exit_code=[0])
        mounter.unget_dev()

        self.mox.ReplayAll()
        api.extend(imgfile, imgsize, use_cow=use_cow)
Esempio n. 2
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    def test_extend_qcow_success(self):
        imgfile = tempfile.NamedTemporaryFile()
        imgsize = 10
        device = "/dev/sdh"
        use_cow = True

        self.flags(resize_fs_using_block_device=True)
        mounter = FakeMount.instance_for_format(
            imgfile, None, None, 'qcow2')
        mounter.device = device

        self.mox.StubOutWithMock(api, 'can_resize_image')
        self.mox.StubOutWithMock(utils, 'execute')
        self.mox.StubOutWithMock(api, 'is_image_extendable')
        self.mox.StubOutWithMock(mounter, 'get_dev')
        self.mox.StubOutWithMock(mounter, 'unget_dev')
        self.mox.StubOutWithMock(api, 'resize2fs')
        self.mox.StubOutWithMock(mount.Mount, 'instance_for_format',
                                 use_mock_anything=True)

        api.can_resize_image(imgfile, imgsize).AndReturn(True)
        utils.execute('qemu-img', 'resize', imgfile, imgsize)
        api.is_image_extendable(imgfile, use_cow).AndReturn(True)
        mount.Mount.instance_for_format(
            imgfile, None, None, 'qcow2').AndReturn(mounter)
        mounter.get_dev().AndReturn(True)
        api.resize2fs(mounter.device, run_as_root=True, check_exit_code=[0])
        mounter.unget_dev()

        self.mox.ReplayAll()
        api.extend(imgfile, imgsize, use_cow=use_cow)
Esempio n. 3
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    def test_extend_raw_success(self):
        imgfile = tempfile.NamedTemporaryFile()
        imgsize = 10
        use_cow = False

        self.mox.StubOutWithMock(api, 'can_resize_image')
        self.mox.StubOutWithMock(utils, 'execute')
        self.mox.StubOutWithMock(api, 'is_image_extendable')
        self.mox.StubOutWithMock(api, 'resize2fs')

        api.can_resize_image(imgfile, imgsize).AndReturn(True)
        utils.execute('qemu-img', 'resize', imgfile, imgsize)
        api.is_image_extendable(imgfile, use_cow).AndReturn(True)
        api.resize2fs(imgfile, run_as_root=False, check_exit_code=[0])

        self.mox.ReplayAll()
        api.extend(imgfile, imgsize, use_cow=use_cow)
Esempio n. 4
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    def test_extend_raw_success(self):
        imgfile = tempfile.NamedTemporaryFile()
        imgsize = 10
        use_cow = False

        self.mox.StubOutWithMock(api, 'can_resize_image')
        self.mox.StubOutWithMock(utils, 'execute')
        self.mox.StubOutWithMock(api, 'is_image_extendable')
        self.mox.StubOutWithMock(api, 'resize2fs')

        api.can_resize_image(imgfile, imgsize).AndReturn(True)
        utils.execute('qemu-img', 'resize', imgfile, imgsize)
        api.is_image_extendable(imgfile, use_cow).AndReturn(True)
        api.resize2fs(imgfile, run_as_root=False, check_exit_code=[0])

        self.mox.ReplayAll()
        api.extend(imgfile, imgsize, use_cow=use_cow)
Esempio n. 5
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    def test_can_resize_need_fs_type_specified(self):
        # NOTE(mikal): Bug 1094373 saw a regression where we failed to
        # treat a failure to mount as a failure to be able to resize the
        # filesystem
        def _fake_get_disk_size(path):
            return 10

        self.useFixture(
            fixtures.MonkeyPatch('patron.virt.disk.api.get_disk_size',
                                 _fake_get_disk_size))

        def fake_trycmd(*args, **kwargs):
            return '', 'broken'

        self.useFixture(
            fixtures.MonkeyPatch('patron.utils.trycmd', fake_trycmd))

        def fake_returns_true(*args, **kwargs):
            return True

        def fake_returns_nothing(*args, **kwargs):
            return ''

        self.useFixture(
            fixtures.MonkeyPatch('patron.virt.disk.mount.nbd.NbdMount.get_dev',
                                 fake_returns_true))
        self.useFixture(
            fixtures.MonkeyPatch('patron.virt.disk.mount.nbd.NbdMount.map_dev',
                                 fake_returns_true))
        self.useFixture(
            fixtures.MonkeyPatch(
                'patron.virt.disk.vfs.localfs.VFSLocalFS.get_image_fs',
                fake_returns_nothing))

        # Force the use of localfs, which is what was used during the failure
        # reported in the bug
        def fake_import_fails(*args, **kwargs):
            raise Exception('Failed')

        self.useFixture(
            fixtures.MonkeyPatch('oslo.utils.import_module',
                                 fake_import_fails))

        imgfile = tempfile.NamedTemporaryFile()
        self.addCleanup(imgfile.close)
        self.assertFalse(api.is_image_extendable(imgfile, use_cow=True))
Esempio n. 6
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    def test_can_resize_need_fs_type_specified(self):
        # NOTE(mikal): Bug 1094373 saw a regression where we failed to
        # treat a failure to mount as a failure to be able to resize the
        # filesystem
        def _fake_get_disk_size(path):
            return 10
        self.useFixture(fixtures.MonkeyPatch(
                'patron.virt.disk.api.get_disk_size', _fake_get_disk_size))

        def fake_trycmd(*args, **kwargs):
            return '', 'broken'
        self.useFixture(fixtures.MonkeyPatch('patron.utils.trycmd', fake_trycmd))

        def fake_returns_true(*args, **kwargs):
            return True

        def fake_returns_nothing(*args, **kwargs):
            return ''
        self.useFixture(fixtures.MonkeyPatch(
                'patron.virt.disk.mount.nbd.NbdMount.get_dev',
                fake_returns_true))
        self.useFixture(fixtures.MonkeyPatch(
                'patron.virt.disk.mount.nbd.NbdMount.map_dev',
                fake_returns_true))
        self.useFixture(fixtures.MonkeyPatch(
                'patron.virt.disk.vfs.localfs.VFSLocalFS.get_image_fs',
                fake_returns_nothing))

        # Force the use of localfs, which is what was used during the failure
        # reported in the bug
        def fake_import_fails(*args, **kwargs):
            raise Exception('Failed')
        self.useFixture(fixtures.MonkeyPatch(
                'oslo.utils.import_module',
                fake_import_fails))

        imgfile = tempfile.NamedTemporaryFile()
        self.addCleanup(imgfile.close)
        self.assertFalse(api.is_image_extendable(imgfile, use_cow=True))