diff options
Diffstat (limited to 'tests/unittests/test_handler/test_handler_mounts.py')
| -rw-r--r-- | tests/unittests/test_handler/test_handler_mounts.py | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/tests/unittests/test_handler/test_handler_mounts.py b/tests/unittests/test_handler/test_handler_mounts.py deleted file mode 100644 index 69e8b30d..00000000 --- a/tests/unittests/test_handler/test_handler_mounts.py +++ /dev/null @@ -1,406 +0,0 @@ -# This file is part of cloud-init. See LICENSE file for license information. - -import os.path -from unittest import mock - -from cloudinit.config import cc_mounts - -from cloudinit.tests import helpers as test_helpers - - -class TestSanitizeDevname(test_helpers.FilesystemMockingTestCase): - - def setUp(self): - super(TestSanitizeDevname, self).setUp() - self.new_root = self.tmp_dir() - self.patchOS(self.new_root) - - def _touch(self, path): - path = os.path.join(self.new_root, path.lstrip('/')) - basedir = os.path.dirname(path) - if not os.path.exists(basedir): - os.makedirs(basedir) - open(path, 'a').close() - - def _makedirs(self, directory): - directory = os.path.join(self.new_root, directory.lstrip('/')) - if not os.path.exists(directory): - os.makedirs(directory) - - def mock_existence_of_disk(self, disk_path): - self._touch(disk_path) - self._makedirs(os.path.join('/sys/block', disk_path.split('/')[-1])) - - def mock_existence_of_partition(self, disk_path, partition_number): - self.mock_existence_of_disk(disk_path) - self._touch(disk_path + str(partition_number)) - disk_name = disk_path.split('/')[-1] - self._makedirs(os.path.join('/sys/block', - disk_name, - disk_name + str(partition_number))) - - def test_existent_full_disk_path_is_returned(self): - disk_path = '/dev/sda' - self.mock_existence_of_disk(disk_path) - self.assertEqual(disk_path, - cc_mounts.sanitize_devname(disk_path, - lambda x: None, - mock.Mock())) - - def test_existent_disk_name_returns_full_path(self): - disk_name = 'sda' - disk_path = '/dev/' + disk_name - self.mock_existence_of_disk(disk_path) - self.assertEqual(disk_path, - cc_mounts.sanitize_devname(disk_name, - lambda x: None, - mock.Mock())) - - def test_existent_meta_disk_is_returned(self): - actual_disk_path = '/dev/sda' - self.mock_existence_of_disk(actual_disk_path) - self.assertEqual( - actual_disk_path, - cc_mounts.sanitize_devname('ephemeral0', - lambda x: actual_disk_path, - mock.Mock())) - - def test_existent_meta_partition_is_returned(self): - disk_name, partition_part = '/dev/sda', '1' - actual_partition_path = disk_name + partition_part - self.mock_existence_of_partition(disk_name, partition_part) - self.assertEqual( - actual_partition_path, - cc_mounts.sanitize_devname('ephemeral0.1', - lambda x: disk_name, - mock.Mock())) - - def test_existent_meta_partition_with_p_is_returned(self): - disk_name, partition_part = '/dev/sda', 'p1' - actual_partition_path = disk_name + partition_part - self.mock_existence_of_partition(disk_name, partition_part) - self.assertEqual( - actual_partition_path, - cc_mounts.sanitize_devname('ephemeral0.1', - lambda x: disk_name, - mock.Mock())) - - def test_first_partition_returned_if_existent_disk_is_partitioned(self): - disk_name, partition_part = '/dev/sda', '1' - actual_partition_path = disk_name + partition_part - self.mock_existence_of_partition(disk_name, partition_part) - self.assertEqual( - actual_partition_path, - cc_mounts.sanitize_devname('ephemeral0', - lambda x: disk_name, - mock.Mock())) - - def test_nth_partition_returned_if_requested(self): - disk_name, partition_part = '/dev/sda', '3' - actual_partition_path = disk_name + partition_part - self.mock_existence_of_partition(disk_name, partition_part) - self.assertEqual( - actual_partition_path, - cc_mounts.sanitize_devname('ephemeral0.3', - lambda x: disk_name, - mock.Mock())) - - def test_transformer_returning_none_returns_none(self): - self.assertIsNone( - cc_mounts.sanitize_devname( - 'ephemeral0', lambda x: None, mock.Mock())) - - def test_missing_device_returns_none(self): - self.assertIsNone( - cc_mounts.sanitize_devname('/dev/sda', None, mock.Mock())) - - def test_missing_sys_returns_none(self): - disk_path = '/dev/sda' - self._makedirs(disk_path) - self.assertIsNone( - cc_mounts.sanitize_devname(disk_path, None, mock.Mock())) - - def test_existent_disk_but_missing_partition_returns_none(self): - disk_path = '/dev/sda' - self.mock_existence_of_disk(disk_path) - self.assertIsNone( - cc_mounts.sanitize_devname( - 'ephemeral0.1', lambda x: disk_path, mock.Mock())) - - def test_network_device_returns_network_device(self): - disk_path = 'netdevice:/path' - self.assertEqual( - disk_path, - cc_mounts.sanitize_devname(disk_path, None, mock.Mock())) - - def test_device_aliases_remapping(self): - disk_path = '/dev/sda' - self.mock_existence_of_disk(disk_path) - self.assertEqual(disk_path, - cc_mounts.sanitize_devname('mydata', - lambda x: None, - mock.Mock(), - {'mydata': disk_path})) - - -class TestSwapFileCreation(test_helpers.FilesystemMockingTestCase): - - def setUp(self): - super(TestSwapFileCreation, self).setUp() - self.new_root = self.tmp_dir() - self.patchOS(self.new_root) - - self.fstab_path = os.path.join(self.new_root, 'etc/fstab') - self.swap_path = os.path.join(self.new_root, 'swap.img') - self._makedirs('/etc') - - self.add_patch('cloudinit.config.cc_mounts.FSTAB_PATH', - 'mock_fstab_path', - self.fstab_path, - autospec=False) - - self.add_patch('cloudinit.config.cc_mounts.subp.subp', - 'm_subp_subp') - - self.add_patch('cloudinit.config.cc_mounts.util.mounts', - 'mock_util_mounts', - return_value={ - '/dev/sda1': {'fstype': 'ext4', - 'mountpoint': '/', - 'opts': 'rw,relatime,discard' - }}) - - self.mock_cloud = mock.Mock() - self.mock_log = mock.Mock() - self.mock_cloud.device_name_to_device = self.device_name_to_device - - self.cc = { - 'swap': { - 'filename': self.swap_path, - 'size': '512', - 'maxsize': '512'}} - - def _makedirs(self, directory): - directory = os.path.join(self.new_root, directory.lstrip('/')) - if not os.path.exists(directory): - os.makedirs(directory) - - def device_name_to_device(self, path): - if path == 'swap': - return self.swap_path - else: - dev = None - - return dev - - @mock.patch('cloudinit.util.get_mount_info') - @mock.patch('cloudinit.util.kernel_version') - def test_swap_creation_method_fallocate_on_xfs(self, m_kernel_version, - m_get_mount_info): - m_kernel_version.return_value = (4, 20) - m_get_mount_info.return_value = ["", "xfs"] - - cc_mounts.handle(None, self.cc, self.mock_cloud, self.mock_log, []) - self.m_subp_subp.assert_has_calls([ - mock.call(['fallocate', '-l', '0M', self.swap_path], capture=True), - mock.call(['mkswap', self.swap_path]), - mock.call(['swapon', '-a'])]) - - @mock.patch('cloudinit.util.get_mount_info') - @mock.patch('cloudinit.util.kernel_version') - def test_swap_creation_method_xfs(self, m_kernel_version, - m_get_mount_info): - m_kernel_version.return_value = (3, 18) - m_get_mount_info.return_value = ["", "xfs"] - - cc_mounts.handle(None, self.cc, self.mock_cloud, self.mock_log, []) - self.m_subp_subp.assert_has_calls([ - mock.call(['dd', 'if=/dev/zero', - 'of=' + self.swap_path, - 'bs=1M', 'count=0'], capture=True), - mock.call(['mkswap', self.swap_path]), - mock.call(['swapon', '-a'])]) - - @mock.patch('cloudinit.util.get_mount_info') - @mock.patch('cloudinit.util.kernel_version') - def test_swap_creation_method_btrfs(self, m_kernel_version, - m_get_mount_info): - m_kernel_version.return_value = (4, 20) - m_get_mount_info.return_value = ["", "btrfs"] - - cc_mounts.handle(None, self.cc, self.mock_cloud, self.mock_log, []) - self.m_subp_subp.assert_has_calls([ - mock.call(['dd', 'if=/dev/zero', - 'of=' + self.swap_path, - 'bs=1M', 'count=0'], capture=True), - mock.call(['mkswap', self.swap_path]), - mock.call(['swapon', '-a'])]) - - @mock.patch('cloudinit.util.get_mount_info') - @mock.patch('cloudinit.util.kernel_version') - def test_swap_creation_method_ext4(self, m_kernel_version, - m_get_mount_info): - m_kernel_version.return_value = (5, 14) - m_get_mount_info.return_value = ["", "ext4"] - - cc_mounts.handle(None, self.cc, self.mock_cloud, self.mock_log, []) - self.m_subp_subp.assert_has_calls([ - mock.call(['fallocate', '-l', '0M', self.swap_path], capture=True), - mock.call(['mkswap', self.swap_path]), - mock.call(['swapon', '-a'])]) - - -class TestFstabHandling(test_helpers.FilesystemMockingTestCase): - - swap_path = '/dev/sdb1' - - def setUp(self): - super(TestFstabHandling, self).setUp() - self.new_root = self.tmp_dir() - self.patchOS(self.new_root) - - self.fstab_path = os.path.join(self.new_root, 'etc/fstab') - self._makedirs('/etc') - - self.add_patch('cloudinit.config.cc_mounts.FSTAB_PATH', - 'mock_fstab_path', - self.fstab_path, - autospec=False) - - self.add_patch('cloudinit.config.cc_mounts._is_block_device', - 'mock_is_block_device', - return_value=True) - - self.add_patch('cloudinit.config.cc_mounts.subp.subp', - 'm_subp_subp') - - self.add_patch('cloudinit.config.cc_mounts.util.mounts', - 'mock_util_mounts', - return_value={ - '/dev/sda1': {'fstype': 'ext4', - 'mountpoint': '/', - 'opts': 'rw,relatime,discard' - }}) - - self.mock_cloud = mock.Mock() - self.mock_log = mock.Mock() - self.mock_cloud.device_name_to_device = self.device_name_to_device - - def _makedirs(self, directory): - directory = os.path.join(self.new_root, directory.lstrip('/')) - if not os.path.exists(directory): - os.makedirs(directory) - - def device_name_to_device(self, path): - if path == 'swap': - return self.swap_path - else: - dev = None - - return dev - - def test_no_fstab(self): - """ Handle images which do not include an fstab. """ - self.assertFalse(os.path.exists(cc_mounts.FSTAB_PATH)) - fstab_expected_content = ( - '%s\tnone\tswap\tsw,comment=cloudconfig\t' - '0\t0\n' % (self.swap_path,) - ) - cc_mounts.handle(None, {}, self.mock_cloud, self.mock_log, []) - with open(cc_mounts.FSTAB_PATH, 'r') as fd: - fstab_new_content = fd.read() - self.assertEqual(fstab_expected_content, fstab_new_content) - - def test_swap_integrity(self): - '''Ensure that the swap file is correctly created and can - swapon successfully. Fixing the corner case of: - kernel: swapon: swapfile has holes''' - - fstab = '/swap.img swap swap defaults 0 0\n' - - with open(cc_mounts.FSTAB_PATH, 'w') as fd: - fd.write(fstab) - cc = {'swap': ['filename: /swap.img', 'size: 512', 'maxsize: 512']} - cc_mounts.handle(None, cc, self.mock_cloud, self.mock_log, []) - - def test_fstab_no_swap_device(self): - '''Ensure that cloud-init adds a discovered swap partition - to /etc/fstab.''' - - fstab_original_content = '' - fstab_expected_content = ( - '%s\tnone\tswap\tsw,comment=cloudconfig\t' - '0\t0\n' % (self.swap_path,) - ) - - with open(cc_mounts.FSTAB_PATH, 'w') as fd: - fd.write(fstab_original_content) - - cc_mounts.handle(None, {}, self.mock_cloud, self.mock_log, []) - - with open(cc_mounts.FSTAB_PATH, 'r') as fd: - fstab_new_content = fd.read() - self.assertEqual(fstab_expected_content, fstab_new_content) - - def test_fstab_same_swap_device_already_configured(self): - '''Ensure that cloud-init will not add a swap device if the same - device already exists in /etc/fstab.''' - - fstab_original_content = '%s swap swap defaults 0 0\n' % ( - self.swap_path,) - fstab_expected_content = fstab_original_content - - with open(cc_mounts.FSTAB_PATH, 'w') as fd: - fd.write(fstab_original_content) - - cc_mounts.handle(None, {}, self.mock_cloud, self.mock_log, []) - - with open(cc_mounts.FSTAB_PATH, 'r') as fd: - fstab_new_content = fd.read() - self.assertEqual(fstab_expected_content, fstab_new_content) - - def test_fstab_alternate_swap_device_already_configured(self): - '''Ensure that cloud-init will add a discovered swap device to - /etc/fstab even when there exists a swap definition on another - device.''' - - fstab_original_content = '/dev/sdc1 swap swap defaults 0 0\n' - fstab_expected_content = ( - fstab_original_content + - '%s\tnone\tswap\tsw,comment=cloudconfig\t' - '0\t0\n' % (self.swap_path,) - ) - - with open(cc_mounts.FSTAB_PATH, 'w') as fd: - fd.write(fstab_original_content) - - cc_mounts.handle(None, {}, self.mock_cloud, self.mock_log, []) - - with open(cc_mounts.FSTAB_PATH, 'r') as fd: - fstab_new_content = fd.read() - self.assertEqual(fstab_expected_content, fstab_new_content) - - def test_no_change_fstab_sets_needs_mount_all(self): - '''verify unchanged fstab entries are mounted if not call mount -a''' - fstab_original_content = ( - 'LABEL=cloudimg-rootfs / ext4 defaults 0 0\n' - 'LABEL=UEFI /boot/efi vfat defaults 0 0\n' - '/dev/vdb /mnt auto defaults,noexec,comment=cloudconfig 0 2\n' - ) - fstab_expected_content = fstab_original_content - cc = { - 'mounts': [ - ['/dev/vdb', '/mnt', 'auto', 'defaults,noexec'] - ] - } - with open(cc_mounts.FSTAB_PATH, 'w') as fd: - fd.write(fstab_original_content) - with open(cc_mounts.FSTAB_PATH, 'r') as fd: - fstab_new_content = fd.read() - self.assertEqual(fstab_expected_content, fstab_new_content) - cc_mounts.handle(None, cc, self.mock_cloud, self.mock_log, []) - self.m_subp_subp.assert_has_calls([ - mock.call(['mount', '-a']), - mock.call(['systemctl', 'daemon-reload'])]) - -# vi: ts=4 expandtab |