minecraft-bot

minecraft-bot

minecraft-bot has the following features.

• notification Bot : notify Minecraft login/logout events to some chat-tool (LINE/Slack/Discord)
• operation of Minecraft whitelist : operate to whitelist of Minecraft Server through ChatBot
• Prometheus exporter : support some Minecraft metrics in Prometheus exporter format
• source is only RCON : minecraft-bot is not required any Mod, not required reading Minecraft world data, only using RCON

Demo

Dashboard

• using ./dashboard/minecraft_users.json
  • pre-install vonage-status-panel Panel Plugin

Installation

• only download binary from release

• or execute bellow command

go get -u github.com/ShotaKitazawa/minecraft-bot/cmd/minecraft-bot

Usage

$ minecraft-bot -h
Usage of minecraft-bot:
  -f string
        TOML configuration filepath
  -v    show application version

• TOML Configuration File

# Minecraft Server Hostname (requirement)
minecraft-hostname = "your_domain"

# basic setting (option)
bind-addr = "0.0.0.0"  # default: "0.0.0.0"
bind-port = 8080       # default: 8080
log-level = "info"     # default: "info",  support "debug", "info", "warn", or "error"


[bot]
# bot basic Configuration (option)
notification-mode = "XXX"  # default: "all", support "none", or "all"

[[bot.line]]
# LINE Bot Configuration (requirement)
endpoint = "/linebot"
channel-secret = "XXX"
channel-token = "XXX"

# LINE Bot Configuration (option)
group-ids = "XXX"  # default: none, cannot push notification without this


[[bot.slack]]
# Slack Bot Configuration (requirement)
token = "XXX"

# Slack Bot Configuration (option)
channel-ids = "XXX"  # default: none, cannot push notification without this


[[bot.discord]]
# Discord Bot Configuration (requirement)
token = "XXX"

# Discord Bot Configuration (option)
channel-ids = "XXX"  # default: none, cannot push notification without this


[rcon]
# connect in RCON to Minecraft (option)
host = "127.0.0.1"    # default: "127.0.0.1"
port = 25575          # default: 25575

# RCON password (requirement)
password = "XXX"


[sharedmem]
# place to store state (support "redis" (recommended), or "local")
mode = "redis"        # default: "local"


[sharedmem.redis]
# Redis info (option if sharedmem.mode == "redis")
host = "127.0.0.1"    # default: "127.0.0.1"
port = 6379           # default: 6379

Execution example

• enable one LINE Bot belong to 2 Groups
• using Redis in sharedmem
• minecraft-bot, Minecraft, Redis exist in the same server

$ cat config.toml
minecraft-hostname = "your_domain"

[[bot.line]]
endpoint = "/linebot"
channel-secret = "XXX"
channel-token = "XXX"
group-ids = "GROUP1,GROUP2"

[rcon]
password = "XXX"

[sharedmem]
mode = "redis"

• enable two LINE Bot & one Slack Bot, each belong to 1 group
• using Redis in sharedmem
• minecraft-bot, Minecraft, Redis exist in the same server

$ cat config.toml
minecraft-hostname = "your_domain"

[[bot.line]]
endpoint = "/linebot"
channel-secret = "XXX"
channel-token = "XXX"
group-ids = "XXX"

[[bot.line]]
endpoint = "/test"
channel-secret = "XXX"
channel-token = "XXX"
group-ids = "XXX"

[[bot.slack]]
token = "XXX"
channel-ids = "XXX"

[rcon]
password = "XXX"

[sharedmem]
mode = "redis"

Required pre-setup

Minecraft Server Setup

In your Minecraft server.properties, make sure you have and restart the server.

enable-rcon=true
rcon.password=[minecraftRconPassword]
rcon.port=[minecraftRconPort]

setup Bot for LINE

• Setup LINE Messageing API : https://developers.line.biz/console/

  • Webhook URL: https://<your_domain>/<bot.line.endpoint>

• Look up GroupID

  1. run bot without group-ids of [[bot.line]] in config.toml
  2. chat !id in specified group
  3. check response of GroupID: XXX
  4. postscript group-ids of [[bot.line]] in config.toml & re-run bot

setup Bot for Slack

• Setup Slack Bot & Get Bot User OAuth Access Token : https://api.slack.com/apps/

• Look up GroupID

  1. run bot without group-ids of [[bot.slack]] in config.toml
  2. chat !id in specified group
  3. check response of GroupID: XXX
  4. postscript group-ids of [[bot.slack]] in config.toml & re-run bot

setup Bot for Discord

• Setup Slack Bot & Get Bot TOKEN : https://discord.com/developers/applications/

• Look up GroupID

  1. run bot without group-ids of [[bot.discord]] in config.toml
  2. chat !id in specified group
  3. check response of GroupID: XXX
  4. postscript group-ids of [[bot.discord]] in config.toml & re-run bot

Bot needs to support HTTPS separately

This bot run HTTP server, but Webhook configuration required HTTPS in most chat-provider. Please following the below.

• using HTTPS reverse-proxy server (nginx, Caddy, etc..) & run Bot beside Minecraft server
• using PaaS (Heroku, Google App Engine, etc..)
  • not recommended (RCON connection is not crypted)

Architecture