OpenClaw
825c6562ba
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- Create src/swagger.ts config module for swagger-jsdoc
- Add GET /openapi.json dynamic route (generated from @openapi annotations)
- Delete static public/openapi.json (was drifting from code)
- Add @openapi annotation for deprecated /v1/signup/free in index.ts
- Import swaggerSpec into index.ts
- All 12 endpoints now code-driven: demo/html, demo/markdown, convert/html,
convert/markdown, convert/url, templates, templates/{id}/render,
recover, recover/verify, billing/checkout, signup/free, health
113 lines
4 KiB
JavaScript
113 lines
4 KiB
JavaScript
import { Router } from "express";
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import { createRequire } from "module";
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import { getPoolStats } from "../services/browser.js";
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import { pool } from "../services/db.js";
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const require = createRequire(import.meta.url);
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const { version: APP_VERSION } = require("../../package.json");
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export const healthRouter = Router();
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const HEALTH_CHECK_TIMEOUT_MS = 3000;
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/**
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* @openapi
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* /health:
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* get:
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* tags: [System]
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* summary: Health check
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* description: Returns service health status including database connectivity and browser pool stats.
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* responses:
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* 200:
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* description: Service is healthy
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* content:
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* application/json:
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* schema:
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* type: object
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* properties:
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* status:
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* type: string
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* enum: [ok, degraded]
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* version:
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* type: string
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* example: '0.4.0'
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* database:
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* type: object
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* properties:
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* status:
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* type: string
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* enum: [ok, error]
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* version:
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* type: string
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* example: 'PostgreSQL 17.4'
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* pool:
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* type: object
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* properties:
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* size:
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* type: integer
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* active:
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* type: integer
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* available:
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* type: integer
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* queueDepth:
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* type: integer
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* pdfCount:
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* type: integer
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* restarting:
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* type: boolean
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* uptimeSeconds:
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* type: integer
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* 503:
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* description: Service is degraded (database issue)
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*/
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healthRouter.get("/", async (_req, res) => {
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const poolStats = getPoolStats();
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let databaseStatus;
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let overallStatus = "ok";
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let httpStatus = 200;
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// Check database connectivity with a real query and timeout
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try {
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const dbCheck = async () => {
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const client = await pool.connect();
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try {
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// Use SELECT 1 as a lightweight liveness probe
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await client.query('SELECT 1');
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const result = await client.query('SELECT version()');
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const version = result.rows[0]?.version || 'Unknown';
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const versionMatch = version.match(/PostgreSQL ([\d.]+)/);
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const shortVersion = versionMatch ? `PostgreSQL ${versionMatch[1]}` : 'PostgreSQL';
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client.release();
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return { status: "ok", version: shortVersion };
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}
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catch (queryErr) {
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// Destroy the bad connection so it doesn't go back to the pool
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try {
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client.release(true);
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}
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catch (_) { }
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throw queryErr;
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}
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};
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const timeout = new Promise((_resolve, reject) => setTimeout(() => reject(new Error("Database health check timed out")), HEALTH_CHECK_TIMEOUT_MS));
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databaseStatus = await Promise.race([dbCheck(), timeout]);
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}
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catch (error) {
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databaseStatus = {
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status: "error",
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message: error.message || "Database connection failed"
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};
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overallStatus = "degraded";
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httpStatus = 503;
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}
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const response = {
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status: overallStatus,
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version: APP_VERSION,
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database: databaseStatus,
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pool: {
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size: poolStats.poolSize,
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active: poolStats.totalPages - poolStats.availablePages,
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available: poolStats.availablePages,
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queueDepth: poolStats.queueDepth,
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pdfCount: poolStats.pdfCount,
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restarting: poolStats.restarting,
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uptimeSeconds: Math.round(poolStats.uptimeMs / 1000),
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},
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};
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res.status(httpStatus).json(response);
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});
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