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# -*- coding: utf-8 -*-
# Copyright: (c) 2018, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = """
name: sudo
short_description: Substitute User DO
description:
- This become plugin allows your remote/login user to execute commands as another user via the sudo utility.
author: ansible (@core)
version_added: "2.8"
options:
become_user:
description: User you 'become' to execute the task
default: root
ini:
- section: privilege_escalation
key: become_user
- section: sudo_become_plugin
key: user
vars:
- name: ansible_become_user
- name: ansible_sudo_user
env:
- name: ANSIBLE_BECOME_USER
- name: ANSIBLE_SUDO_USER
keyword:
- name: become_user
become_exe:
description: Sudo executable
default: sudo
ini:
- section: privilege_escalation
key: become_exe
- section: sudo_become_plugin
key: executable
vars:
- name: ansible_become_exe
- name: ansible_sudo_exe
env:
- name: ANSIBLE_BECOME_EXE
- name: ANSIBLE_SUDO_EXE
keyword:
- name: become_exe
become_flags:
description: Options to pass to sudo
default: -H -S -n
ini:
- section: privilege_escalation
key: become_flags
- section: sudo_become_plugin
key: flags
vars:
- name: ansible_become_flags
- name: ansible_sudo_flags
env:
- name: ANSIBLE_BECOME_FLAGS
- name: ANSIBLE_SUDO_FLAGS
keyword:
- name: become_flags
become_pass:
description: Password to pass to sudo
required: False
vars:
- name: ansible_become_password
- name: ansible_become_pass
- name: ansible_sudo_pass
env:
- name: ANSIBLE_BECOME_PASS
- name: ANSIBLE_SUDO_PASS
ini:
- section: sudo_become_plugin
key: password
"""
import re
import shlex
from ansible.plugins.become import BecomeBase
class BecomeModule(BecomeBase):
name = 'sudo'
# messages for detecting prompted password issues
fail = ('Sorry, try again.',)
missing = ('Sorry, a password is required to run sudo', 'sudo: a password is required')
def build_become_command(self, cmd, shell):
super(BecomeModule, self).build_become_command(cmd, shell)
if not cmd:
return cmd
becomecmd = self.get_option('become_exe') or self.name
flags = self.get_option('become_flags') or ''
prompt = ''
if self.get_option('become_pass'):
self.prompt = '[sudo via ansible, key=%s] password:' % self._id
if flags: # this could be simplified, but kept as is for now for backwards string matching
reflag = []
for flag in shlex.split(flags):
if flag in ('-n', '--non-interactive'):
continue
elif not flag.startswith('--'):
# handle -XnxxX flags only
flag = re.sub(r'^(-\w*)n(\w*.*)', r'\1\2', flag)
reflag.append(flag)
flags = shlex.join(reflag)
prompt = '-p "%s"' % (self.prompt)
user = self.get_option('become_user') or ''
if user:
user = '-u %s' % (user)
return ' '.join([becomecmd, flags, prompt, user, self._build_success_command(cmd, shell)])
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