mirror of
https://github.com/ansible-collections/community.general.git
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44e21dd407
* sudoers: fix handling of state: absent (#4852) * typo fixes
231 lines
6 KiB
Python
231 lines
6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2019, Jon Ellis (@JonEllis) <ellis.jp@gmail.com>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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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: sudoers
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short_description: Manage sudoers files
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version_added: "4.3.0"
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description:
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- This module allows for the manipulation of sudoers files.
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author:
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- "Jon Ellis (@JonEllis) <ellis.jp@gmail.com>"
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options:
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commands:
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description:
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- The commands allowed by the sudoers rule.
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- Multiple can be added by passing a list of commands.
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- Use C(ALL) for all commands.
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type: list
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elements: str
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group:
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description:
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- The name of the group for the sudoers rule.
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- This option cannot be used in conjunction with I(user).
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type: str
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name:
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required: true
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description:
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- The name of the sudoers rule.
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- This will be used for the filename for the sudoers file managed by this rule.
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type: str
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nopassword:
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description:
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- Whether a password will be required to run the sudo'd command.
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default: true
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type: bool
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runas:
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description:
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- Specify the target user the command(s) will run as.
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type: str
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version_added: 4.7.0
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sudoers_path:
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description:
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- The path which sudoers config files will be managed in.
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default: /etc/sudoers.d
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type: str
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state:
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default: "present"
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choices:
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- present
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- absent
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description:
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- Whether the rule should exist or not.
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type: str
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user:
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description:
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- The name of the user for the sudoers rule.
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- This option cannot be used in conjunction with I(group).
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type: str
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'''
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EXAMPLES = '''
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- name: Allow the backup user to sudo /usr/local/bin/backup
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community.general.sudoers:
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name: allow-backup
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state: present
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user: backup
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commands: /usr/local/bin/backup
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- name: Allow the bob user to run any commands as alice with sudo -u alice
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community.general.sudoers:
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name: bob-do-as-alice
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state: present
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user: bob
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runas: alice
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commands: ALL
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- name: >-
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Allow the monitoring group to run sudo /usr/local/bin/gather-app-metrics
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without requiring a password
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community.general.sudoers:
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name: monitor-app
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group: monitoring
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commands: /usr/local/bin/gather-app-metrics
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- name: >-
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Allow the alice user to run sudo /bin/systemctl restart my-service or
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sudo /bin/systemctl reload my-service, but a password is required
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community.general.sudoers:
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name: alice-service
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user: alice
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commands:
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- /bin/systemctl restart my-service
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- /bin/systemctl reload my-service
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nopassword: false
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- name: Revoke the previous sudo grants given to the alice user
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community.general.sudoers:
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name: alice-service
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state: absent
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'''
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import os
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.common.text.converters import to_native
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class Sudoers(object):
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FILE_MODE = 0o440
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def __init__(self, module):
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self.check_mode = module.check_mode
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self.name = module.params['name']
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self.user = module.params['user']
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self.group = module.params['group']
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self.state = module.params['state']
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self.nopassword = module.params['nopassword']
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self.runas = module.params['runas']
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self.sudoers_path = module.params['sudoers_path']
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self.file = os.path.join(self.sudoers_path, self.name)
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self.commands = module.params['commands']
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def write(self):
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if self.check_mode:
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return
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with open(self.file, 'w') as f:
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f.write(self.content())
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os.chmod(self.file, self.FILE_MODE)
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def delete(self):
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if self.check_mode:
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return
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os.remove(self.file)
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def exists(self):
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return os.path.exists(self.file)
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def matches(self):
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with open(self.file, 'r') as f:
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content_matches = f.read() == self.content()
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current_mode = os.stat(self.file).st_mode & 0o777
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mode_matches = current_mode == self.FILE_MODE
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return content_matches and mode_matches
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def content(self):
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if self.user:
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owner = self.user
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elif self.group:
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owner = '%{group}'.format(group=self.group)
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commands_str = ', '.join(self.commands)
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nopasswd_str = 'NOPASSWD:' if self.nopassword else ''
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runas_str = '({runas})'.format(runas=self.runas) if self.runas is not None else ''
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return "{owner} ALL={runas}{nopasswd} {commands}\n".format(owner=owner, runas=runas_str, nopasswd=nopasswd_str, commands=commands_str)
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def run(self):
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if self.state == 'absent':
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if self.exists():
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self.delete()
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return True
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else:
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return False
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if self.exists() and self.matches():
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return False
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self.write()
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return True
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def main():
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argument_spec = {
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'commands': {
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'type': 'list',
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'elements': 'str',
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},
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'group': {},
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'name': {
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'required': True,
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},
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'nopassword': {
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'type': 'bool',
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'default': True,
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},
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'runas': {
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'type': 'str',
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'default': None,
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},
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'sudoers_path': {
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'type': 'str',
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'default': '/etc/sudoers.d',
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},
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'state': {
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'default': 'present',
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'choices': ['present', 'absent'],
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},
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'user': {},
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}
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module = AnsibleModule(
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argument_spec=argument_spec,
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mutually_exclusive=[['user', 'group']],
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supports_check_mode=True,
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required_if=[('state', 'present', ['commands'])],
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)
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sudoers = Sudoers(module)
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try:
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changed = sudoers.run()
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module.exit_json(changed=changed)
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except Exception as e:
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module.fail_json(msg=to_native(e))
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if __name__ == '__main__':
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main()
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