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https://github.com/ansible-collections/community.general.git
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9a14980ca7
multiple modules: use new vardict in module (#8411)
* use new vardict in module
* add changelog frag
* Update changelogs/fragments/8411-locale-gen-vardict.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
* set use_old_vardict to false in snap
* set use_old_vardict to false in cpanm
* set use_old_vardict to false in django mod helper
* set use_old_vardict to false in gconftool2_info
* set use_old_vardict to false in kernel_blacklist
* set use_old_vardict to false in mksysb
* set use_old_vardict to false in pipx_info
* set use_old_vardict to false in snap_alias
* update chglog frag
* fix typo
---------
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit ec886203fc)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
120 lines
3.8 KiB
Python
120 lines
3.8 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2021, Alexei Znamensky (@russoz) <russoz@gmail.com>
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# Copyright (c) 2013, Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = '''
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---
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module: kernel_blacklist
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author:
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- Matthias Vogelgesang (@matze)
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short_description: Blacklist kernel modules
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description:
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- Add or remove kernel modules from blacklist.
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extends_documentation_fragment:
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- community.general.attributes
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attributes:
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check_mode:
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support: full
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diff_mode:
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support: full
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options:
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name:
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type: str
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description:
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- Name of kernel module to black- or whitelist.
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required: true
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state:
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type: str
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description:
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- Whether the module should be present in the blacklist or absent.
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choices: [ absent, present ]
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default: present
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blacklist_file:
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type: str
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description:
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- If specified, use this blacklist file instead of
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C(/etc/modprobe.d/blacklist-ansible.conf).
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default: /etc/modprobe.d/blacklist-ansible.conf
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'''
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EXAMPLES = '''
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- name: Blacklist the nouveau driver module
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community.general.kernel_blacklist:
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name: nouveau
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state: present
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'''
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import os
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import re
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from ansible_collections.community.general.plugins.module_utils.module_helper import StateModuleHelper
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class Blacklist(StateModuleHelper):
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output_params = ('name', 'state')
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module = dict(
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argument_spec=dict(
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name=dict(type='str', required=True),
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state=dict(type='str', default='present', choices=['absent', 'present']),
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blacklist_file=dict(type='str', default='/etc/modprobe.d/blacklist-ansible.conf'),
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),
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supports_check_mode=True,
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)
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use_old_vardict = False
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def __init_module__(self):
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self.pattern = re.compile(r'^blacklist\s+{0}$'.format(re.escape(self.vars.name)))
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self.vars.filename = self.vars.blacklist_file
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self.vars.set('file_exists', os.path.exists(self.vars.filename), output=False, change=True)
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if not self.vars.file_exists:
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with open(self.vars.filename, 'a'):
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pass
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self.vars.file_exists = True
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self.vars.set('lines', [], change=True, diff=True)
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else:
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with open(self.vars.filename) as fd:
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self.vars.set('lines', [x.rstrip() for x in fd.readlines()], change=True, diff=True)
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self.vars.set('is_blacklisted', self._is_module_blocked(), change=True)
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def _is_module_blocked(self):
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for line in self.vars.lines:
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stripped = line.strip()
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if stripped.startswith('#'):
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continue
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if self.pattern.match(stripped):
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return True
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return False
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def state_absent(self):
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if not self.vars.is_blacklisted:
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return
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self.vars.is_blacklisted = False
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self.vars.lines = [line for line in self.vars.lines if not self.pattern.match(line.strip())]
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def state_present(self):
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if self.vars.is_blacklisted:
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return
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self.vars.is_blacklisted = True
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self.vars.lines = self.vars.lines + ['blacklist %s' % self.vars.name]
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def __quit_module__(self):
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if self.has_changed() and not self.module.check_mode:
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bkp = self.module.backup_local(self.vars.filename)
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with open(self.vars.filename, "w") as fd:
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fd.writelines(["{0}\n".format(x) for x in self.vars.lines])
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self.module.add_cleanup_file(bkp)
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def main():
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Blacklist.execute()
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if __name__ == '__main__':
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main()
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