Create server.js

server.js

@@ -0,0 +1,151 @@
+// server.js
+const http = require('http');
+const os = require('os');
+const fs = require('fs');
+const { exec } = require('child_process');
+const path = require('path');
+
+// --- Hugging Face Spaces 核心配置 ---
+// 必须监听所有接口，以响应外部请求
+const HOST = '0.0.0.0';
+// 必须使用 Hugging Face 指定的端口
+const PORT = process.env.PORT || 7860;
+
+// --- 辅助函数：获取磁盘使用情况 ---
+function getDiskUsage() {
+    try {
+        const stats = fs.statfsSync('/'); // 获取根目录的磁盘信息
+        const total = stats.bsize * stats.blocks;
+        const free = stats.bsize * stats.bfree;
+        const used = total - free;
+        const usagePercent = ((used / total) * 100).toFixed(2);
+        return {
+            total: (total / (1024 ** 3)).toFixed(2),   // GB
+            used: (used / (1024 ** 3)).toFixed(2),     // GB
+            free: (free / (1024 ** 3)).toFixed(2),     // GB
+            usagePercent: `${usagePercent}%`
+        };
+    } catch (error) {
+        return { error: '无法获取磁盘信息' };
+    }
+}
+
+// --- 辅助函数：获取出口公网IP（cURL方式）---
+function getPublicIP() {
+    return new Promise(resolve => {
+        // Hugging Face Spaces 容器内通常可以访问外部网络
+        exec('curl -s --max-time 5 ifconfig.me', (err, stdout) => {
+            if (err) {
+                resolve('无法获取公网IP (可能为NAT环境)');
+            } else {
+                resolve(stdout.trim());
+            }
+        });
+    });
+}
+
+// --- 辅助函数：获取所有环境变量（过滤掉敏感信息）---
+function getSafeEnvVars() {
+    const safeVars = {};
+    const sensitiveKeys = ['PASSWORD', 'SECRET', 'TOKEN', 'KEY'];
+    for (const [key, value] of Object.entries(process.env)) {
+        if (sensitiveKeys.some(k => key.toLowerCase().includes(k.toLowerCase()))) {
+            safeVars[key] = '****** (已隐藏)';
+        } else {
+            safeVars[key] = value;
+        }
+    }
+    return safeVars;
+}
+
+// --- 创建 HTTP 服务器 ---
+const server = http.createServer(async (req, res) => {
+    // 1. 获取动态信息
+    const publicIP = await getPublicIP();
+    const diskInfo = getDiskUsage();
+    
+    // 2. 系统与硬件信息 (通过 os 模块)
+    const cpuInfo = os.cpus()[0];
+    const totalMem = (os.totalmem() / (1024 ** 3)).toFixed(2);     // GB
+    const freeMem = (os.freemem() / (1024 ** 3)).toFixed(2);       // GB
+    const usedMem = (totalMem - freeMem).toFixed(2);               // GB
+    const systemUptime = Math.floor(os.uptime() / 60) + ' 分钟';
+    
+    // 3. 关键环境检查
+    const isNodePathSet = !!process.env.NODE_PATH;
+    const isDataDirWritable = fs.accessSync('/data', fs.constants.W_OK) === undefined; // 检查 /data 是否可写
+    const isHfHomeSet = !!process.env.HF_HOME;
+    
+    // 4. 构建用于展示的数据模型
+    const envReport = {
+        // ========== 1. 访问信息 ==========
+        access: {
+            spaceUrl: `https://${process.env.SPACE_ID?.replace('/', '-')}.hf.space` || '未知 (请通过公网域名访问)',
+            publicIP: publicIP,
+            internalIP: (() => {
+                const interfaces = os.networkInterfaces();
+                for (const iface of Object.values(interfaces)) {
+                    for (const addr of iface) {
+                        if (addr.family === 'IPv4' && !addr.internal) return addr.address;
+                    }
+                }
+                return '127.0.0.1';
+            })(),
+            hostname: os.hostname(),
+            spaceId: process.env.SPACE_ID || '未知',
+            spaceRepoName: process.env.SPACE_REPO_NAME || '未知',
+        },
+        // ========== 2. 硬件资源 (免费层标准) ==========
+        hardware: {
+            cpuModel: cpuInfo?.model || '未知',
+            cpuCores: os.cpus().length,
+            totalRamGB: totalMem,
+            usedRamGB: usedMem,
+            freeRamGB: freeMem,
+            disk: diskInfo,
+            uptime: systemUptime,
+            expectedFreeTier: '2 vCPU / 16GB RAM / 50GB 临时磁盘'
+        },
+        // ========== 3. Node.js 环境 ==========
+        nodeEnv: {
+            version: process.version,
+            platform: process.platform,
+            arch: process.arch,
+            execPath: process.execPath,
+            cwd: process.cwd(),
+            nodePath: isNodePathSet ? process.env.NODE_PATH : '未设置'
+        },
+        // ========== 4. 容器与权限 ==========
+        container: {
+            userId: process.getuid?.(),
+            groupId: process.getgid?.(),
+            expectedUserId: '1000 (Hugging Face 默认用户ID)',
+            isDataDirWritable: isDataDirWritable,
+            hfHome: process.env.HF_HOME || '未设置 (可设置为 /data/.huggingface 加速重启)',
+            // 检测是否使用了 Persistent Storage
+            persistentStorageMounted: fs.existsSync('/data'),
+        },
+        // ========== 5. 关键环境变量 (安全过滤) ==========
+        envVars: getSafeEnvVars(),
+        // ========== 6. 部署建议 ==========
+        suggestions: [
+            '✅ 必须监听 0.0.0.0，并在 README.md 中设置 app_port: 7860',
+            '✅ 强烈建议为敏感信息（如 OPENCODE_PASSWORD）使用 HF Secrets，勿硬编码',
+            '✅ 如需数据持久化，请考虑升级 Persistent Storage 或将数据备份到 HF Dataset',
+            '✅ 容器默认以用户 ID 1000 运行，Dockerfile 中需创建此用户避免权限问题',
+            '✅ 可设置 HF_HOME=/data/.huggingface 以加速 Hugging Face 库的重复启动',
+        ]
+    };
+    
+    // 5. 输出美观的 JSON 报告
+    res.writeHead(200, { 'Content-Type': 'application/json; charset=utf-8' });
+    res.end(JSON.stringify(envReport, null, 2));
+});
+
+// 启动服务器
+server.listen(PORT, HOST, () => {
+    console.log(`🔍 Hugging Face Spaces 环境探针已启动`);
+    console.log(`📡 监听地址: http://${HOST}:${PORT}`);
+    console.log(`🌐 公网访问: https://${process.env.SPACE_ID?.replace('/', '-') || 'your-space'}.hf.space`);
+    console.log(`💡 提示: 访问上述 URL 即可查看详细的环境报告 JSON`);
+});