#!/usr/bin/env python3 # # Copyright (C) 2018-2020 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import os from copy import deepcopy from socket import gethostname from sys import exit from urllib3 import PoolManager from vyos.config import Config from vyos.template import render from vyos.util import call, chown from vyos import ConfigError from vyos import airbag airbag.enable() config_file = r'/etc/salt/minion' master_keyfile = r'/opt/vyatta/etc/config/salt/pki/minion/master_sign.pub' default_config_data = { 'hash': 'sha256', 'log_level': 'warning', 'master' : 'salt', 'user': 'minion', 'group': 'vyattacfg', 'salt_id': gethostname(), 'mine_interval': '60', 'verify_master_pubkey_sign': 'false', 'master_key': '' } def get_config(config=None): salt = deepcopy(default_config_data) if config: conf = config else: conf = Config() base = ['service', 'salt-minion'] if not conf.exists(base): return None else: conf.set_level(base) if conf.exists(['hash']): salt['hash'] = conf.return_value(['hash']) if conf.exists(['master']): salt['master'] = conf.return_values(['master']) if conf.exists(['id']): salt['salt_id'] = conf.return_value(['id']) if conf.exists(['user']): salt['user'] = conf.return_value(['user']) if conf.exists(['interval']): salt['interval'] = conf.return_value(['interval']) if conf.exists(['master-key']): salt['master_key'] = conf.return_value(['master-key']) salt['verify_master_pubkey_sign'] = 'true' return salt def verify(salt): return None def generate(salt): if not salt: return None render(config_file, 'salt-minion/minion.tmpl', salt, user=salt['user'], group=salt['group']) if not os.path.exists(master_keyfile): if salt['master_key']: req = PoolManager().request('GET', salt['master_key'], preload_content=False) with open(master_keyfile, 'wb') as f: while True: data = req.read(1024) if not data: break f.write(data) req.release_conn() chown(master_keyfile, salt['user'], salt['group']) return None def apply(salt): if not salt: # Salt removed from running config call('systemctl stop salt-minion.service') if os.path.exists(config_file): os.unlink(config_file) else: call('systemctl restart salt-minion.service') return None if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)