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# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
from sos.report.plugins import Plugin, IndependentPlugin
import os
import stat
class SosExtras(Plugin, IndependentPlugin):
short_desc = 'Collect extra data defined in /etc/sos/extras.d'
"""The plugin traverses 'extras_dir' directory and for each file there,
it executes commands or collects files optionally with sizelimit. Expected
content of a file:
- empty lines or those starting with '#' are ignored
- add_copy_spec called to lines starting by ':', optionally followed by
sizelimit
- otherwise, whole line will be executed as a command.
Example:
command1 --arg1 val1
command2
:/path/to/file
:/path/to/files* sizelimit
WARNING: be careful what files to collect or what commands to execute:
- prevent calling potentially dangerous or system altering commands, like:
- using multiple commands on a line (via pipes, semicolon etc.)
- executing commands on background
- setting env.variables (as those will be ignored)
- altering a system (not only by "rm -rf")
- be aware, no secret obfuscation is made
"""
plugin_name = "sos_extras"
extras_dir = '/etc/sos/extras.d/'
files = (extras_dir,)
def setup(self):
try:
st = os.stat(self.extras_dir)
if (st.st_uid != 0) or (st.st_mode & stat.S_IWGRP) or \
(st.st_mode & stat.S_IWOTH):
self._log_warn("Skipping sos extras as %s has too wide"
" permissions or ownership." % self.extras_dir)
return
except OSError:
self._log_warn("can't stat %s, skipping sos extras" %
self.extras_dir)
return
for path, dirlist, filelist in os.walk(self.extras_dir):
for f in filelist:
_file = self.path_join(path, f)
self._log_warn("Collecting data from extras file %s" % _file)
try:
for line in open(_file).read().splitlines():
# ignore empty lines or comments
if len(line.split()) == 0 or line.startswith('#'):
continue
# lines starting by ':' specify file pattern to collect
# optionally followed by sizelimit
if line.startswith(':'):
words = line.split()
limit = None
if len(words) > 1:
try:
limit = int(words[1])
except ValueError:
self._log_warn("Can't decode integer"
" sizelimit on line '%s'"
" in file %s, using"
" default."
% (line, _file))
self.add_copy_spec(words[0][1:], sizelimit=limit)
else:
# command to execute
self.add_cmd_output(line, subdir=f)
except IOError:
self._log_warn("unable to read extras file %s" % _file)
# vim: set et ts=4 sw=4 :
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