diff options
Diffstat (limited to 'tests/unittests/test_handler/test_handler_growpart.py')
-rw-r--r-- | tests/unittests/test_handler/test_handler_growpart.py | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/tests/unittests/test_handler/test_handler_growpart.py b/tests/unittests/test_handler/test_handler_growpart.py deleted file mode 100644 index b7d5d7ba..00000000 --- a/tests/unittests/test_handler/test_handler_growpart.py +++ /dev/null @@ -1,309 +0,0 @@ -# This file is part of cloud-init. See LICENSE file for license information. - -from cloudinit import cloud -from cloudinit.config import cc_growpart -from cloudinit import subp -from cloudinit import temp_utils - -from cloudinit.tests.helpers import TestCase - -import errno -import logging -import os -import shutil -import re -import unittest -from contextlib import ExitStack -from unittest import mock -import stat - -# growpart: -# mode: auto # off, on, auto, 'growpart' -# devices: ['root'] - -HELP_GROWPART_RESIZE = """ -growpart disk partition - rewrite partition table so that partition takes up all the space it can - options: - -h | --help print Usage and exit -<SNIP> - -u | --update R update the the kernel partition table info after growing - this requires kernel support and 'partx --update' - R is one of: - - 'auto' : [default] update partition if possible -<SNIP> - Example: - - growpart /dev/sda 1 - Resize partition 1 on /dev/sda -""" - -HELP_GROWPART_NO_RESIZE = """ -growpart disk partition - rewrite partition table so that partition takes up all the space it can - options: - -h | --help print Usage and exit -<SNIP> - Example: - - growpart /dev/sda 1 - Resize partition 1 on /dev/sda -""" - -HELP_GPART = """ -usage: gpart add -t type [-a alignment] [-b start] <SNIP> geom - gpart backup geom - gpart bootcode [-b bootcode] [-p partcode -i index] [-f flags] geom -<SNIP> - gpart resize -i index [-a alignment] [-s size] [-f flags] geom - gpart restore [-lF] [-f flags] provider [...] - gpart recover [-f flags] geom - gpart help -<SNIP> -""" - - -class Dir: - '''Stub object''' - def __init__(self, name): - self.name = name - self.st_mode = name - - def is_dir(self, *args, **kwargs): - return True - - def stat(self, *args, **kwargs): - return self - - -class Scanner: - '''Stub object''' - def __enter__(self): - return (Dir(''), Dir(''),) - - def __exit__(self, *args): - pass - - -class TestDisabled(unittest.TestCase): - def setUp(self): - super(TestDisabled, self).setUp() - self.name = "growpart" - self.cloud_init = None - self.log = logging.getLogger("TestDisabled") - self.args = [] - - self.handle = cc_growpart.handle - - def test_mode_off(self): - # Test that nothing is done if mode is off. - - # this really only verifies that resizer_factory isn't called - config = {'growpart': {'mode': 'off'}} - - with mock.patch.object(cc_growpart, 'resizer_factory') as mockobj: - self.handle(self.name, config, self.cloud_init, self.log, - self.args) - self.assertEqual(mockobj.call_count, 0) - - -class TestConfig(TestCase): - def setUp(self): - super(TestConfig, self).setUp() - self.name = "growpart" - self.paths = None - self.cloud = cloud.Cloud(None, self.paths, None, None, None) - self.log = logging.getLogger("TestConfig") - self.args = [] - - self.cloud_init = None - self.handle = cc_growpart.handle - self.tmppath = '/tmp/cloudinit-test-file' - self.tmpdir = os.scandir('/tmp') - self.tmpfile = open(self.tmppath, 'w') - - def tearDown(self): - self.tmpfile.close() - os.remove(self.tmppath) - - @mock.patch.dict("os.environ", clear=True) - def test_no_resizers_auto_is_fine(self): - with mock.patch.object( - subp, 'subp', - return_value=(HELP_GROWPART_NO_RESIZE, "")) as mockobj: - - config = {'growpart': {'mode': 'auto'}} - self.handle(self.name, config, self.cloud_init, self.log, - self.args) - - mockobj.assert_has_calls([ - mock.call(['growpart', '--help'], env={'LANG': 'C'}), - mock.call(['gpart', 'help'], env={'LANG': 'C'}, rcs=[0, 1])]) - - @mock.patch.dict("os.environ", clear=True) - def test_no_resizers_mode_growpart_is_exception(self): - with mock.patch.object( - subp, 'subp', - return_value=(HELP_GROWPART_NO_RESIZE, "")) as mockobj: - config = {'growpart': {'mode': "growpart"}} - self.assertRaises( - ValueError, self.handle, self.name, config, - self.cloud_init, self.log, self.args) - - mockobj.assert_called_once_with( - ['growpart', '--help'], env={'LANG': 'C'}) - - @mock.patch.dict("os.environ", clear=True) - def test_mode_auto_prefers_growpart(self): - with mock.patch.object( - subp, 'subp', - return_value=(HELP_GROWPART_RESIZE, "")) as mockobj: - ret = cc_growpart.resizer_factory(mode="auto") - self.assertIsInstance(ret, cc_growpart.ResizeGrowPart) - - mockobj.assert_called_once_with( - ['growpart', '--help'], env={'LANG': 'C'}) - - @mock.patch.dict("os.environ", {'LANG': 'cs_CZ.UTF-8'}, clear=True) - @mock.patch.object(temp_utils, 'mkdtemp', return_value='/tmp/much-random') - @mock.patch.object(stat, 'S_ISDIR', return_value=False) - @mock.patch.object(os.path, 'samestat', return_value=True) - @mock.patch.object(os.path, "join", return_value='/tmp') - @mock.patch.object(os, 'scandir', return_value=Scanner()) - @mock.patch.object(os, 'mkdir') - @mock.patch.object(os, 'unlink') - @mock.patch.object(os, 'rmdir') - @mock.patch.object(os, 'open', return_value=1) - @mock.patch.object(os, 'close') - @mock.patch.object(shutil, 'rmtree') - @mock.patch.object(os, 'lseek', return_value=1024) - @mock.patch.object(os, 'lstat', return_value='interesting metadata') - def test_force_lang_check_tempfile(self, *args, **kwargs): - with mock.patch.object( - subp, - 'subp', - return_value=(HELP_GROWPART_RESIZE, "")) as mockobj: - - ret = cc_growpart.resizer_factory(mode="auto") - self.assertIsInstance(ret, cc_growpart.ResizeGrowPart) - diskdev = '/dev/sdb' - partnum = 1 - partdev = '/dev/sdb' - ret.resize(diskdev, partnum, partdev) - mockobj.assert_has_calls([ - mock.call( - ["growpart", '--dry-run', diskdev, partnum], - env={'LANG': 'C', 'TMPDIR': '/tmp'}), - mock.call( - ["growpart", diskdev, partnum], - env={'LANG': 'C', 'TMPDIR': '/tmp'}), - ]) - - @mock.patch.dict("os.environ", {'LANG': 'cs_CZ.UTF-8'}, clear=True) - def test_mode_auto_falls_back_to_gpart(self): - with mock.patch.object( - subp, 'subp', - return_value=("", HELP_GPART)) as mockobj: - ret = cc_growpart.resizer_factory(mode="auto") - self.assertIsInstance(ret, cc_growpart.ResizeGpart) - - mockobj.assert_has_calls([ - mock.call(['growpart', '--help'], env={'LANG': 'C'}), - mock.call(['gpart', 'help'], env={'LANG': 'C'}, rcs=[0, 1])]) - - def test_handle_with_no_growpart_entry(self): - # if no 'growpart' entry in config, then mode=auto should be used - - myresizer = object() - retval = (("/", cc_growpart.RESIZE.CHANGED, "my-message",),) - - with ExitStack() as mocks: - factory = mocks.enter_context( - mock.patch.object(cc_growpart, 'resizer_factory', - return_value=myresizer)) - rsdevs = mocks.enter_context( - mock.patch.object(cc_growpart, 'resize_devices', - return_value=retval)) - mocks.enter_context( - mock.patch.object(cc_growpart, 'RESIZERS', - (('mysizer', object),) - )) - - self.handle(self.name, {}, self.cloud_init, self.log, self.args) - - factory.assert_called_once_with('auto') - rsdevs.assert_called_once_with(myresizer, ['/']) - - -class TestResize(unittest.TestCase): - def setUp(self): - super(TestResize, self).setUp() - self.name = "growpart" - self.log = logging.getLogger("TestResize") - - def test_simple_devices(self): - # test simple device list - # this patches out devent2dev, os.stat, and device_part_info - # so in the end, doesn't test a lot - devs = ["/dev/XXda1", "/dev/YYda2"] - devstat_ret = Bunch(st_mode=25008, st_ino=6078, st_dev=5, - st_nlink=1, st_uid=0, st_gid=6, st_size=0, - st_atime=0, st_mtime=0, st_ctime=0) - enoent = ["/dev/NOENT"] - real_stat = os.stat - resize_calls = [] - - class myresizer(object): - def resize(self, diskdev, partnum, partdev): - resize_calls.append((diskdev, partnum, partdev)) - if partdev == "/dev/YYda2": - return (1024, 2048) - return (1024, 1024) # old size, new size - - def mystat(path): - if path in devs: - return devstat_ret - if path in enoent: - e = OSError("%s: does not exist" % path) - e.errno = errno.ENOENT - raise e - return real_stat(path) - - try: - opinfo = cc_growpart.device_part_info - cc_growpart.device_part_info = simple_device_part_info - os.stat = mystat - - resized = cc_growpart.resize_devices(myresizer(), devs + enoent) - - def find(name, res): - for f in res: - if f[0] == name: - return f - return None - - self.assertEqual(cc_growpart.RESIZE.NOCHANGE, - find("/dev/XXda1", resized)[1]) - self.assertEqual(cc_growpart.RESIZE.CHANGED, - find("/dev/YYda2", resized)[1]) - self.assertEqual(cc_growpart.RESIZE.SKIPPED, - find(enoent[0], resized)[1]) - # self.assertEqual(resize_calls, - # [("/dev/XXda", "1", "/dev/XXda1"), - # ("/dev/YYda", "2", "/dev/YYda2")]) - finally: - cc_growpart.device_part_info = opinfo - os.stat = real_stat - - -def simple_device_part_info(devpath): - # simple stupid return (/dev/vda, 1) for /dev/vda - ret = re.search("([^0-9]*)([0-9]*)$", devpath) - x = (ret.group(1), ret.group(2)) - return x - - -class Bunch(object): - def __init__(self, **kwds): - self.__dict__.update(kwds) - - -# vi: ts=4 expandtab |