Source code for insights.parsers.dumpe2fs_h

DumpE2FS - Command ``dumpe2fs -h``

This parser handles ``dumpe2fs`` output.

The object provides access to this data using a dictionary.  Particular keys
are stored as lists:

* Filesystem features
* Filesystem flags
* Default mount options

Other keys are stored as strings.  The name of the device is stored in the
``dev_name`` property.

Typical contents of the ``/sbin/dumpe2fs -h /dev/device`` command::

    dumpe2fs 1.41.12 (17-May-2010)
    Filesystem volume name:   <none>
    Last mounted on:          /usr
    Filesystem UUID:          1b332c5d-2410-4934-9118-466f8a14841f
    Filesystem magic number:  0xEF53
    Filesystem revision #:    1 (dynamic)
    Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
    Filesystem flags:         signed_directory_hash
    Default mount options:    user_xattr acl


    >>> e2fs = shared[DumpE2fs]
    >>> e2fs.dev_name
    >>> e2fs['Filesystem volume name']
    >>> e2fs['Last mounted on']
    >>> e2fs['Filesystem UUID']
    >>> e2fs['Filesystem magic number']
    >>> e2fs['Filesystem revision #']
    '1 (dynamic)'
    >>> e2fs['Filesystem features']
    ['has_journal', 'ext_attr', 'resize_inode', 'dir_index', 'filetype',
     'needs_recovery', 'extent', 'flex_bg', 'sparse_super', 'large_file',
     'huge_file', 'uninit_bg', 'dir_nlink', 'extra_isize'],
    >>> e2fs['Filesystem flags']
    >>> e2fs['Default mount options']
    ['user_xattr', 'acl']


from .. import parser, LegacyItemAccess, CommandParser
from insights.specs import Specs

COMPOUND_FIELDS = ['Filesystem features', 'Filesystem flags', 'Default mount options']

[docs]@parser(Specs.dumpe2fs_h) class DumpE2fs(CommandParser, LegacyItemAccess): """ Parse each line in the output of the ``dumpe2fs`` command. """
[docs] def parse_content(self, content): dumpe2fs_values_dict = {} for line in content: if ":" in line: key, value = line.split(":", 1) if key in COMPOUND_FIELDS: dumpe2fs_values_dict[key] = list(value.strip().split()) else: dumpe2fs_values_dict[key] = value.strip() self.dev_name = self.file_name.split('dumpe2fs_-h_')[-1].replace('.', '/') = dumpe2fs_values_dict