000226c87f
Use the global CONF variable instead of FLAGS. This is purely a cleanup since FLAGS is already just another reference to CONF. We leave the nova.flags imports until a later cleanup commit since removing them may cause unpredictable problems due to config options not being registered. Change-Id: Ic0168188dfe214fc81af04c8a9644d2d9f31600d
199 lines
7.4 KiB
Python
199 lines
7.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Isaku Yamahata
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# All Rights Reserved.
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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 os
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from nova import exception
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from nova import flags
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from nova import test
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from nova import tests
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from nova import utils
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from nova.virt.disk import api as disk_api
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from nova.virt import driver
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from nova.openstack.common import jsonutils
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class TestVirtDriver(test.TestCase):
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def test_block_device(self):
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swap = {'device_name': '/dev/sdb',
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'swap_size': 1}
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ephemerals = [{'num': 0,
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'virtual_name': 'ephemeral0',
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'device_name': '/dev/sdc1',
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'size': 1}]
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block_device_mapping = [{'mount_device': '/dev/sde',
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'device_path': 'fake_device'}]
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block_device_info = {
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'root_device_name': '/dev/sda',
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'swap': swap,
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'ephemerals': ephemerals,
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'block_device_mapping': block_device_mapping}
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empty_block_device_info = {}
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self.assertEqual(
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driver.block_device_info_get_root(block_device_info), '/dev/sda')
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self.assertEqual(
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driver.block_device_info_get_root(empty_block_device_info), None)
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self.assertEqual(
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driver.block_device_info_get_root(None), None)
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self.assertEqual(
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driver.block_device_info_get_swap(block_device_info), swap)
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self.assertEqual(driver.block_device_info_get_swap(
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empty_block_device_info)['device_name'], None)
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self.assertEqual(driver.block_device_info_get_swap(
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empty_block_device_info)['swap_size'], 0)
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self.assertEqual(
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driver.block_device_info_get_swap({'swap': None})['device_name'],
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None)
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self.assertEqual(
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driver.block_device_info_get_swap({'swap': None})['swap_size'],
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0)
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self.assertEqual(
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driver.block_device_info_get_swap(None)['device_name'], None)
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self.assertEqual(
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driver.block_device_info_get_swap(None)['swap_size'], 0)
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self.assertEqual(
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driver.block_device_info_get_ephemerals(block_device_info),
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ephemerals)
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self.assertEqual(
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driver.block_device_info_get_ephemerals(empty_block_device_info),
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[])
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self.assertEqual(
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driver.block_device_info_get_ephemerals(None),
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[])
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def test_swap_is_usable(self):
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self.assertFalse(driver.swap_is_usable(None))
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self.assertFalse(driver.swap_is_usable({'device_name': None}))
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self.assertFalse(driver.swap_is_usable({'device_name': '/dev/sdb',
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'swap_size': 0}))
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self.assertTrue(driver.swap_is_usable({'device_name': '/dev/sdb',
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'swap_size': 1}))
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class TestVirtDisk(test.TestCase):
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def setUp(self):
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super(TestVirtDisk, self).setUp()
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self.executes = []
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def fake_execute(*cmd, **kwargs):
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self.executes.append(cmd)
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return None, None
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self.stubs.Set(utils, 'execute', fake_execute)
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def test_lxc_destroy_container(self):
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def proc_mounts(self, mount_point):
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mount_points = {
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'/mnt/loop/nopart': '/dev/loop0',
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'/mnt/loop/part': '/dev/mapper/loop0p1',
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'/mnt/nbd/nopart': '/dev/nbd15',
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'/mnt/nbd/part': '/dev/mapper/nbd15p1',
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'/mnt/guestfs': 'guestmount',
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}
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return mount_points[mount_point]
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self.stubs.Set(os.path, 'exists', lambda _: True)
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self.stubs.Set(disk_api._DiskImage, '_device_for_path', proc_mounts)
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expected_commands = []
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disk_api.destroy_container('/mnt/loop/nopart')
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expected_commands += [
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('umount', '/dev/loop0'),
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('losetup', '--detach', '/dev/loop0'),
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]
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disk_api.destroy_container('/mnt/loop/part')
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expected_commands += [
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('umount', '/dev/mapper/loop0p1'),
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('kpartx', '-d', '/dev/loop0'),
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('losetup', '--detach', '/dev/loop0'),
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]
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disk_api.destroy_container('/mnt/nbd/nopart')
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expected_commands += [
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('umount', '/dev/nbd15'),
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('qemu-nbd', '-d', '/dev/nbd15'),
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]
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disk_api.destroy_container('/mnt/nbd/part')
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expected_commands += [
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('umount', '/dev/mapper/nbd15p1'),
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('kpartx', '-d', '/dev/nbd15'),
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('qemu-nbd', '-d', '/dev/nbd15'),
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]
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disk_api.destroy_container('/mnt/guestfs')
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expected_commands += [
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('fusermount', '-u', '/mnt/guestfs'),
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]
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# It's not worth trying to match the last timeout command
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self.executes.pop()
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self.assertEqual(self.executes, expected_commands)
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class TestVirtDiskPaths(test.TestCase):
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def setUp(self):
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super(TestVirtDiskPaths, self).setUp()
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real_execute = utils.execute
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def nonroot_execute(*cmd_parts, **kwargs):
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kwargs.pop('run_as_root', None)
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return real_execute(*cmd_parts, **kwargs)
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self.stubs.Set(utils, 'execute', nonroot_execute)
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def test_check_safe_path(self):
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if tests.utils.is_osx():
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self.skipTest("Unable to test on OSX")
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ret = disk_api._join_and_check_path_within_fs('/foo', 'etc',
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'something.conf')
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self.assertEquals(ret, '/foo/etc/something.conf')
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def test_check_unsafe_path(self):
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if tests.utils.is_osx():
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self.skipTest("Unable to test on OSX")
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self.assertRaises(exception.Invalid,
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disk_api._join_and_check_path_within_fs,
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'/foo', 'etc/../../../something.conf')
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def test_inject_files_with_bad_path(self):
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if tests.utils.is_osx():
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self.skipTest("Unable to test on OSX")
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self.assertRaises(exception.Invalid,
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disk_api._inject_file_into_fs,
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'/tmp', '/etc/../../../../etc/passwd',
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'hax')
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def test_inject_metadata(self):
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if tests.utils.is_osx():
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self.skipTest("Unable to test on OSX")
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with utils.tempdir() as tmpdir:
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meta_objs = [{"key": "foo", "value": "bar"}]
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metadata = {"foo": "bar"}
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disk_api._inject_metadata_into_fs(meta_objs, tmpdir)
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json_file = os.path.join(tmpdir, 'meta.js')
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json_data = jsonutils.loads(open(json_file).read())
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self.assertEqual(metadata, json_data)
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