How to use match_ext_options method in autotest

Best Python code snippet using autotest_python Github


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...236 for feature in current_feature:237 if feature not in needed_feature:238 return False239 return True240def match_ext_options(fs_type, dev, needed_options):241 """Compare the current ext* filesystem tunables with needed ones."""242 # mkfs.ext* will load default options from /etc/mke2fs.conf243 conf_opt = parse_mke2fs_conf(fs_type)244 # We need to convert the conf options to mkfs options.245 conf_mkfs_opt = convert_conf_opt(conf_opt)246 # Breaks user mkfs option string to dictionary.247 needed_opt_dict = opt_string2dict(needed_options)248 # Removes ignored options.249 ignored_option = ['-c', '-q', '-E', '-F']250 for opt in ignored_option:251 if opt in needed_opt_dict:252 del needed_opt_dict[opt]253 # User options override config options.254 needed_opt = conf_mkfs_opt255 for key, value in needed_opt_dict.iteritems():256 if key == '-N' or key == '-T':257 raise Exception('-N/T is not allowed.')258 elif key == '-O':259 needed_opt[key] = merge_ext_features(needed_opt[key], value)260 else:261 needed_opt[key] = value262 # '-j' option will add 'has_journal' feature.263 if '-j' in needed_opt and 'has_journal' not in needed_opt['-O']:264 needed_opt['-O'].append('has_journal')265 # 'extents' will be shown as 'extent' in the outcome of tune2fs266 if 'extents' in needed_opt['-O']:267 needed_opt['-O'].append('extent')268 needed_opt['-O'].remove('extents')269 # large_file is a byproduct of resize_inode.270 if 'large_file' not in needed_opt['-O'] and (271 'resize_inode' in needed_opt['-O']):272 needed_opt['-O'].append('large_file')273 current_opt = {}274 tune2fs_dict = ext_tunables(dev)275 ext_mkfs_options(tune2fs_dict, current_opt)276 # Does the match277 for key, value in needed_opt.iteritems():278 if key == '-O':279 if not compare_features(value, current_opt[key].split(',')):280 return False281 elif key not in current_opt or value != current_opt[key]:282 return False283 return True284def match_xfs_options(dev, needed_options):285 """Compare the current ext* filesystem tunables with needed ones."""286 tmp_mount_dir = tempfile.mkdtemp()287 cmd = 'mount %s %s' % (dev, tmp_mount_dir)288 utils.system_output(cmd)289 xfs_growfs = os.path.join(os.environ['AUTODIR'], 'tools', 'xfs_growfs')290 cmd = '%s -n %s' % (xfs_growfs, dev)291 try:292 current_option = utils.system_output(cmd)293 finally:294 # Clean.295 cmd = 'umount %s' % dev296 utils.system_output(cmd, ignore_status=True)297 os.rmdir(tmp_mount_dir)298 # '-N' has the same effect as '-n' in mkfs.ext*. Man mkfs.xfs for details.299 cmd = 'mkfs.xfs %s -N -f %s' % (needed_options, dev)300 needed_out = utils.system_output(cmd)301 # 'mkfs.xfs -N' produces slightly different result than 'xfs_growfs -n'302 needed_out = re.sub('internal log', 'internal ', needed_out)303 if current_option == needed_out:304 return True305 else:306 return False307def match_mkfs_option(fs_type, dev, needed_options):308 """Compare the current filesystem tunables with needed ones."""309 if fs_type.startswith('ext'):310 ret = match_ext_options(fs_type, dev, needed_options)311 elif fs_type == 'xfs':312 ret = match_xfs_options(dev, needed_options)313 else:314 ret = False...

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