#!/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 . import os from copy import deepcopy from jinja2 import FileSystemLoader, Environment from pwd import getpwnam from socket import gethostname from sys import exit from urllib3 import PoolManager from vyos.config import Config from vyos.defaults import directories as vyos_data_dir from vyos import ConfigError config_file = r'/etc/salt/minion' default_config_data = { 'hash_type': 'sha256', 'log_file': '/var/log/salt/minion', 'log_level': 'warning', 'master' : 'salt', 'user': 'minion', 'salt_id': gethostname(), 'mine_interval': '60', 'verify_master_pubkey_sign': 'false' } def get_config(): salt = deepcopy(default_config_data) conf = Config() if not conf.exists('service salt-minion'): return None else: conf.set_level('service salt-minion') if conf.exists('hash_type'): salt['hash_type'] = conf.return_value('hash_type') if conf.exists('log_file'): salt['log_file'] = conf.return_value('log_file') if conf.exists('log_level'): salt['log_level'] = conf.return_value('log_level') if conf.exists('master'): master = conf.return_values('master') salt['master'] = 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('mine_interval'): salt['mine_interval'] = conf.return_value('mine_interval') salt['master-key'] = None if conf.exists('master-key'): salt['master-key'] = conf.return_value('master-key') salt['verify_master_pubkey_sign'] = 'true' return salt def generate(salt): paths = ['/etc/salt/','/var/run/salt','/opt/vyatta/etc/config/salt/'] directory = '/opt/vyatta/etc/config/salt/pki/minion' uid = getpwnam(salt['user']).pw_uid http = PoolManager() if salt is None: return None # Prepare Jinja2 template loader from files tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'salt-minion') fs_loader = FileSystemLoader(tmpl_path) env = Environment(loader=fs_loader) if not os.path.exists(directory): os.makedirs(directory) tmpl = env.get_template('minion.tmpl') config_text = tmpl.render(salt) with open(config_file, 'w') as f: f.write(config_text) path = "/etc/salt/" for path in paths: for root, dirs, files in os.walk(path): for usgr in dirs: os.chown(os.path.join(root, usgr), uid, 100) for usgr in files: os.chown(os.path.join(root, usgr), uid, 100) if not os.path.exists('/opt/vyatta/etc/config/salt/pki/minion/master_sign.pub'): if not salt['master-key'] is None: r = http.request('GET', salt['master-key'], preload_content=False) with open('/opt/vyatta/etc/config/salt/pki/minion/master_sign.pub', 'wb') as out: while True: data = r.read(1024) if not data: break out.write(data) r.release_conn() return None def apply(salt): if salt is not None: os.system("sudo systemctl restart salt-minion") else: # Salt access is removed in the commit os.system("sudo systemctl stop salt-minion") os.unlink(config_file) return None if __name__ == '__main__': try: c = get_config() generate(c) apply(c) except ConfigError as e: print(e) exit(1)