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