"""
LsDev - Command ``ls -lanR /dev``
=================================
The ``ls -lanR /dev`` command provides information for the listing of the
``/dev`` directory.
See :class:`insights.parsers.ls.FileListing` for more information.
"""
from insights import CommandParser, FileListing, parser
from insights.specs import Specs
[docs]
@parser(Specs.ls_dev)
class LsDev(CommandParser, FileListing):
"""
Parses output of ``ls -lanR /dev`` command.
.. warning::
For Insights Advisor Rules, it's recommended to use the
:class:`insights.parsers.ls.LSlanR` and add the ``"/dev"`` to
the filter list of `Specs.ls_lanR_dirs` instead.
Sample directory listing::
/dev:
total 3
brw-rw----. 1 0 6 253, 0 Aug 4 16:56 dm-0
brw-rw----. 1 0 6 253, 1 Aug 4 16:56 dm-1
brw-rw----. 1 0 6 253, 10 Aug 4 16:56 dm-10
crw-rw-rw-. 1 0 5 5, 2 Aug 5 2016 ptmx
drwxr-xr-x. 2 0 0 0 Aug 4 16:56 pts
lrwxrwxrwx. 1 0 0 25 Oct 25 14:48 initctl -> /run/systemd/initctl/fifo
/dev/rhel:
total 0
drwxr-xr-x. 2 0 0 100 Jul 25 10:00 .
drwxr-xr-x. 23 0 0 3720 Jul 25 12:43 ..
lrwxrwxrwx. 1 0 0 7 Jul 25 10:00 home -> ../dm-2
lrwxrwxrwx. 1 0 0 7 Jul 25 10:00 root -> ../dm-0
lrwxrwxrwx. 1 0 0 7 Jul 25 10:00 swap -> ../dm-1
Examples:
>>> type(ls_dev)
<class 'insights.parsers.ls_dev.LsDev'>
>>> "/dev/rhel" in ls_dev
True
>>> ls_dev.files_of("/dev/rhel")
['home', 'root', 'swap']
>>> ls_dev.dirs_of("/dev/rhel")
['.', '..']
>>> ls_dev.specials_of("/dev/rhel")
[]
>>> sorted(ls_dev.listing_of("/dev/rhel").keys())
['.', '..', 'home', 'root', 'swap']
>>> ls_dev.listing_of('/dev/rhel')['.']['type'] == 'd'
True
>>> ls_dev.listing_of('/dev/rhel')['home']['link']
'../dm-2'
"""
__root_path = '/dev'