| 1 | """ |
| 2 | libremanage - Lightweight, free software for remote side-chanel server management |
| 3 | |
| 4 | Copyright (C) 2018 Alyssa Rosenzweig |
| 5 | |
| 6 | This program is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU Affero General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU Affero General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Affero General Public License |
| 17 | along with this program. If not, see <https://www.gnu.org/licenses/>. |
| 18 | """ |
| 19 | |
| 20 | import sys |
| 21 | import json |
| 22 | import functools |
| 23 | |
| 24 | USAGE = """ |
| 25 | Usage: |
| 26 | |
| 27 | $ libremanage [server name] [command] |
| 28 | |
| 29 | Example: |
| 30 | |
| 31 | $ libremanage web2 reboot |
| 32 | |
| 33 | Server names are defined in the accompanying config.py. |
| 34 | |
| 35 | Valid commands are as follows: |
| 36 | |
| 37 | - shutdown, reboot, poweron: Power management |
| 38 | - tty: Open TTY in GNU Screen |
| 39 | """ |
| 40 | |
| 41 | with open("config.json") as f: |
| 42 | CONFIG = json.load(f) |
| 43 | print(CONFIG) |
| 44 | |
| 45 | def die_with_usage(message): |
| 46 | print(message) |
| 47 | print(USAGE) |
| 48 | sys.exit(1) |
| 49 | |
| 50 | if len(sys.argv) != 3: |
| 51 | die_with_usage("Incorrect number of arguments") |
| 52 | |
| 53 | def get_server_handle(name): |
| 54 | # TODO: resolve based on config, SSH in, give self-contained handle? |
| 55 | return name |
| 56 | |
| 57 | def set_server_power(state, server): |
| 58 | print("Setting server " + server + " to power state " + str(state)) |
| 59 | |
| 60 | COMMANDS = { |
| 61 | # Power managemment |
| 62 | |
| 63 | "shutdown": (False, functools.partial(set_server_power, 0)), |
| 64 | "poweron": (False, functools.partial(set_server_power, 1)), |
| 65 | "reboot": (False, lambda s: (set_server_power(0, s), set_server_power(1, s))), |
| 66 | |
| 67 | # TTY access (or keyboard if wired as such) |
| 68 | |
| 69 | "tty": (True, lambda s: print("Screening on " + s)) |
| 70 | } |
| 71 | |
| 72 | def issue_command(server_name, command): |
| 73 | server = get_server_handle(server_name) |
| 74 | print(server_name, command) |
| 75 | |
| 76 | try: |
| 77 | (visible_shell, callback) = COMMANDS[command] |
| 78 | except KeyError: |
| 79 | die_with_usage("Invalid command supplied") |
| 80 | |
| 81 | print("Shell visible? " + str(visible_shell)) |
| 82 | callback(server_name) |
| 83 | |
| 84 | issue_command(sys.argv[1], sys.argv[2]) |