import os
import subprocess
import threading
import requests
from fastapi import FastAPI
from fastapi.responses import HTMLResponse
import uvicorn
app = FastAPI()
MC_PATH = "/data/minecraft"
PORT = 7860
MAX_RAM = "2G"
MIN_RAM = "1G"
SERVER_VERSION = "1.20.1"
logs = []
mc_process = None
def log(msg):
print(msg)
logs.append(msg)
if len(logs) > 100:
logs.pop(0)
def setup():
os.makedirs(MC_PATH, exist_ok=True)
with open(f"{MC_PATH}/eula.txt", "w") as f:
f.write("eula=true\n")
props = f"{MC_PATH}/server.properties"
if not os.path.exists(props):
with open(props, "w") as f:
f.write(
"online-mode=false\n"
"server-port=25565\n"
"motd=HF Fabric Server\n"
)
def download_fabric():
jar = f"{MC_PATH}/fabric-server-launch.jar"
if os.path.exists(jar):
log("Fabric already exists")
return
log("Downloading Fabric...")
loader = requests.get(
"https://meta.fabricmc.net/v2/versions/loader"
).json()[0]
loader_version = loader["loader"]["version"]
installer_version = loader["installer"]["version"]
installer_url = (
f"https://meta.fabricmc.net/v2/versions/installer/"
f"{installer_version}"
)
r = requests.get(installer_url)
with open("/tmp/fabric-installer.jar", "wb") as f:
f.write(r.content)
cmd = [
"java",
"-jar",
"/tmp/fabric-installer.jar",
"server",
"-mcversion",
SERVER_VERSION,
"-loader",
loader_version,
"-downloadMinecraft"
]
subprocess.run(cmd, cwd=MC_PATH)
log("Fabric installed!")
def start_mc():
global mc_process
setup()
download_fabric()
jar = f"{MC_PATH}/fabric-server-launch.jar"
cmd = [
"java",
f"-Xms{MIN_RAM}",
f"-Xmx{MAX_RAM}",
"-jar",
jar,
"nogui"
]
log("Starting Minecraft...")
mc_process = subprocess.Popen(
cmd,
cwd=MC_PATH,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True
)
def read_logs():
for line in mc_process.stdout:
log(line.strip())
threading.Thread(target=read_logs, daemon=True).start()
def start_playit():
log("Downloading Playit...")
r = requests.get(
"https://github.com/playit-cloud/playit-agent/releases/latest/download/playit-linux-amd64"
)
with open("/tmp/playit", "wb") as f:
f.write(r.content)
os.chmod("/tmp/playit", 0o755)
log("Starting Playit...")
p = subprocess.Popen(
["/tmp/playit"],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True
)
def read_playit():
for line in p.stdout:
log("[PLAYIT] " + line.strip())
threading.Thread(target=read_playit, daemon=True).start()
@app.on_event("startup")
async def startup():
threading.Thread(target=start_mc, daemon=True).start()
@app.get("/", response_class=HTMLResponse)
async def home():
text = "\n".join(logs[-50:])
return f"""
Minecraft Server
{text}
"""
@app.get("/start-playit")
async def playit_route():
threading.Thread(
target=start_playit,
daemon=True
).start()
return {"ok": True}
if __name__ == "__main__":
uvicorn.run(app, host="0.0.0.0", port=PORT)