| # Copyright (c) 2017 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Library to run xfstests in autotest. |
| |
| """ |
| |
| import os |
| from autotest_lib.client.bin import partition |
| |
| class xfstests_env: |
| """ |
| Setup the environment for running xfstests. |
| """ |
| XFS_MOUNT_PATH = '/mnt/stateful_partition/unencrypted/cache' |
| |
| env_names={} |
| env_partition={} |
| env_vp={} |
| env_device={} |
| fs_types={} |
| |
| def setup_partitions(self, job, fs_types, crypto=False, |
| env_names=['TEST', 'SCRATCH']): |
| """ |
| xfttests needs 2 partitions: TEST and SCRATCH. |
| - TEST_DEV: "device containing TEST PARTITION" |
| - TEST_DIR: "mount point of TEST PARTITION" |
| - SCRATCH_DEV "device containing SCRATCH PARTITION" |
| - SCRATCH_MNT "mount point for SCRATCH PARTITION" |
| |
| - SCRATCH_DIR "directory on a large partition" |
| |
| @param job: The job object. |
| """ |
| |
| self.env_names = env_names |
| self.fs_types = fs_types |
| for name in self.env_names: |
| file_name = 'xfstests_%s' % name |
| file_img = os.path.join( |
| self.XFS_MOUNT_PATH, '%s.img' % file_name) |
| self.env_vp[name] = partition.virtual_partition( |
| file_img=file_img, file_size=4096) |
| self.env_device[name] = self.env_vp[name].device |
| |
| # You can use real block devices, such as /dev/sdc1 by populating |
| # env_device directly, but going through the virtual partition |
| # object. |
| |
| # By default, we create a directory under autotest |
| mountpoint = os.path.join(job.tmpdir, file_name) |
| if not os.path.isdir(mountpoint): |
| os.makedirs(mountpoint) |
| |
| self.env_partition[name] = job.partition( |
| device=self.env_device[name], mountpoint=mountpoint) |
| |
| # |
| # Job configuration, instead of editing xfstests config files, set them |
| # right here as environment variables |
| # |
| for name in self.env_names: |
| os.environ['%s_DEV' % name] = self.env_partition[name].device |
| |
| test_dir = self.env_partition['TEST'].mountpoint |
| |
| os.environ['TEST_DIR'] = test_dir |
| os.environ['SCRATCH_MNT'] = self.env_partition['SCRATCH'].mountpoint |
| os.environ['SCRATCH_DIR'] = self.XFS_MOUNT_PATH |
| |
| # ChromeOS does not need special option when SELinux is enabled. |
| os.environ['SELINUX_MOUNT_OPTIONS'] = ' ' |
| |
| mkfs_args = '' |
| mnt_options = '' |
| if crypto: |
| mkfs_args += '-O encrypt' |
| # TODO: update this when blockers are updated b:169251326 |
| mnt_options += '-o test_dummy_encryption' |
| |
| for fs_type in self.fs_types: |
| for name in self.env_names: |
| self.env_partition[name].mkfs(fstype=fs_type, args=mkfs_args) |
| |
| os.environ['EXT_MOUNT_OPTIONS'] = mnt_options |
| |
| def unmount_partitions(self): |
| """ |
| Unmount the partition created. |
| """ |
| for name in self.env_names: |
| self.env_partition[name].unmount(ignore_status=True) |
| self.env_vp[name].destroy() |
