#!/usr/bin/env python3
"""通过CMD Agent修复新服务器环境：安装Node.js、确认系统信息"""
import subprocess
import json
import urllib.request
import time

NEW_SERVER = "172.30.18.199"
API_KEY = "xiaoxia-cmd-agent-2026"

def cmd(cmd_str, timeout=120):
    url = f"http://{NEW_SERVER}:5927/cmd"
    data = json.dumps({"cmd": cmd_str, "timeout": timeout}).encode()
    req = urllib.request.Request(url, data=data, method="POST")
    req.add_header("Content-Type", "application/json")
    req.add_header("X-API-Key", API_KEY)
    try:
        with urllib.request.urlopen(req, timeout=timeout+10) as resp:
            result = json.loads(resp.read().decode())
            return result.get("returncode", -1), result.get("stdout", ""), result.get("stderr", "")
    except Exception as e:
        return -1, "", str(e)

print("=" * 50)
print("步骤1: 系统信息确认")
print("=" * 50)
rc, out, err = cmd("cat /etc/os-release | head -5 && echo '---' && uname -a && echo '---' && which yum dnf apt-get 2>/dev/null || true")
print(out[:500])

print("\n" + "=" * 50)
print("步骤2: 用yum安装Node.js 20 (nodesource)")
print("=" * 50)
# CentOS用curl下载nodesource的rpm包或者直接用yum模块
rc, out, err = cmd("""
# 先试curl下载Node.js二进制包（最稳妥，不依赖包管理器）
cd /tmp
curl -fsSL https://nodejs.org/dist/v20.15.0/node-v20.15.0-linux-x64.tar.xz -o node.tar.xz 2>&1 | tail -3
ls -lh node.tar.xz
""", timeout=120)
print(f"下载结果 RC={rc}")
print(out[:500])
if rc != 0:
    print(f"ERR: {err[:300]}")

print("\n" + "=" * 50)
print("步骤3: 解压并安装到/usr/local")
print("=" * 50)
rc, out, err = cmd("""
cd /tmp
tar -xf node.tar.xz
mv node-v20.15.0-linux-x64 /usr/local/node
ln -sf /usr/local/node/bin/node /usr/local/bin/node
ln -sf /usr/local/node/bin/npm /usr/local/bin/npm
ln -sf /usr/local/node/bin/npx /usr/local/bin/npx
node --version
npm --version
which node
""", timeout=60)
print(f"RC={rc}")
print(out[:300])
if err and rc != 0:
    print(f"ERR: {err[:200]}")

print("\n" + "=" * 50)
print("步骤4: 验证Node.js可用")
print("=" * 50)
rc, out, err = cmd("node -e 'console.log(\"node works: \" + process.version)'")
print(f"RC={rc}: {out.strip()}")

print("\n" + "=" * 50)
print("步骤5: 检查Runner进程和配置")
print("=" * 50)
rc, out, err = cmd("systemctl list-units 'act-runner-*' --no-legend | head -10 && echo '---' && ps aux | grep act_runner | grep -v grep | wc -l")
print(out[:500])

print("\n" + "=" * 50)
print("全部完成!")
print("=" * 50)