86 lines
2.4 KiB
JavaScript
86 lines
2.4 KiB
JavaScript
/**
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* ═══════════════════════════════════════════════════════════
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* AGE OS · 数据库连接模块
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* ═══════════════════════════════════════════════════════════
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*
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* 签发: 铸渊 · ICE-GL-ZY001
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* 版权: 国作登字-2026-A-00037559
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*
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* PostgreSQL 连接池 — 所有 MCP 工具通过此模块访问数据库
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*/
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'use strict';
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const { Pool } = require('pg');
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const pool = new Pool({
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host: process.env.ZY_DB_HOST || '127.0.0.1',
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port: parseInt(process.env.ZY_DB_PORT || '5432', 10),
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user: process.env.ZY_DB_USER || 'zy_admin',
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password: process.env.ZY_DB_PASS || (() => {
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if (process.env.NODE_ENV === 'production') {
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console.error('[DB] 严重: 生产环境未配置ZY_DB_PASS');
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}
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return '';
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})(),
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database: process.env.ZY_DB_NAME || 'age_os',
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max: 10,
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idleTimeoutMillis: 30000,
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connectionTimeoutMillis: 5000
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});
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// 连接错误不应崩溃进程
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pool.on('error', (err) => {
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console.error('[DB] 连接池错误:', err.message);
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});
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/**
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* 执行查询
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* @param {string} text - SQL 语句（使用 $1, $2 参数占位符）
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* @param {any[]} params - 参数数组
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* @returns {Promise<import('pg').QueryResult>}
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*/
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async function query(text, params) {
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const start = Date.now();
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try {
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const result = await pool.query(text, params);
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const duration = Date.now() - start;
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if (duration > 1000) {
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console.warn(`[DB] 慢查询 (${duration}ms): ${text.substring(0, 80)}`);
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}
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return result;
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} catch (err) {
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console.error(`[DB] 查询失败: ${err.message}`);
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console.error(`[DB] SQL: ${text.substring(0, 200)}`);
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throw err;
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}
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}
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/**
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* 检查数据库连接
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* @returns {Promise<{connected: boolean, version?: string, error?: string}>}
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*/
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async function checkConnection() {
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try {
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const result = await pool.query('SELECT version()');
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return {
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connected: true,
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version: result.rows[0].version
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};
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} catch (err) {
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return {
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connected: false,
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error: err.message
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};
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}
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}
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/**
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* 关闭连接池（进程退出时调用）
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*/
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async function close() {
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await pool.end();
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}
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module.exports = { query, checkConnection, close };
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