point the resource to the nextjs server for maintenance screen

This commit is contained in:
Pallavi Kumari
2025-11-06 20:27:24 +05:30
committed by Owen Schwartz
parent 1d862131dd
commit d82535d3e1
6 changed files with 86 additions and 224 deletions

View File

@@ -23,7 +23,6 @@ import { initCleanup } from "#dynamic/cleanup";
import license from "#dynamic/license/license";
import { initLogCleanupInterval } from "@server/lib/cleanupLogs";
import { fetchServerIp } from "@server/lib/serverIpService";
import { startMaintenanceServer } from "./maintenance/maintenance-server.js";
async function startServers() {
await setHostMeta();
@@ -56,8 +55,6 @@ async function startServers() {
integrationServer = createIntegrationApiServer();
}
startMaintenanceServer();
await initCleanup();
return {

View File

@@ -218,7 +218,7 @@ export const configSchema = z
file_mode: z.boolean().optional().default(false),
pp_transport_prefix: z.string().optional().default("pp-transport-v"),
maintenance_host: z.string().optional(),
maintenance_port: z.number().optional().default(8888)
maintenance_port: z.number().optional().default(3002)
})
.optional()
.prefault({}),

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@@ -1,111 +0,0 @@
import express from 'express';
import { db, resources } from '@server/db';
import { eq } from 'drizzle-orm';
import { generateMaintenanceHTML } from './maintenanceUI';
import config from '@server/lib/config';
import logger from '@server/logger';
import path from 'path';
import fs from 'fs';
const MAINTENANCE_DIR = path.join(process.cwd(), 'maintenance-pages');
if (!fs.existsSync(MAINTENANCE_DIR)) {
fs.mkdirSync(MAINTENANCE_DIR, { recursive: true });
}
export async function generateMaintenanceFiles() {
logger.info('Regenerating maintenance page files');
const maintenanceResources = await db
.select()
.from(resources)
.where(eq(resources.maintenanceModeEnabled, true));
// Clear old files
const files = fs.readdirSync(MAINTENANCE_DIR);
files.forEach(file => {
if (file.startsWith('maintenance-')) {
fs.unlinkSync(path.join(MAINTENANCE_DIR, file));
}
});
// Generate new files
for (const resource of maintenanceResources) {
if (resource.fullDomain && resource.http) {
const html = generateMaintenanceHTML(
resource.maintenanceTitle,
resource.maintenanceMessage,
resource.maintenanceEstimatedTime
);
const filename = `maintenance-${resource.fullDomain.replace(/\./g, '_')}.html`;
const filepath = path.join(MAINTENANCE_DIR, filename);
fs.writeFileSync(filepath, html, 'utf-8');
logger.info(`Generated maintenance page: ${filename}`);
}
}
}
export function startMaintenanceServer() {
const app = express();
app.use(express.static(MAINTENANCE_DIR, {
setHeaders: (res) => {
res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
res.setHeader('Pragma', 'no-cache');
res.setHeader('Expires', '0');
}
}));
app.use(async (req, res) => {
const host = req.headers.host;
if (!host) {
return res.status(400).send("Missing Host header");
}
const hostname = host.split(':')[0];
const maintenanceFile = path.join(MAINTENANCE_DIR, `maintenance-${hostname}.html`);
if (fs.existsSync(maintenanceFile)) {
res.status(503)
.header('Content-Type', 'text/html; charset=utf-8')
.header('Retry-After', '3600')
.sendFile(maintenanceFile);
} else {
try {
const [resource] = await db
.select()
.from(resources)
.where(eq(resources.fullDomain, hostname));
if (resource?.maintenanceModeEnabled) {
const html = generateMaintenanceHTML(
resource.maintenanceTitle,
resource.maintenanceMessage,
resource.maintenanceEstimatedTime
);
return res.status(503)
.header('Content-Type', 'text/html; charset=utf-8')
.header('Retry-After', '3600')
.send(html);
}
} catch (error) {
logger.error(`Error serving maintenance page: ${error}`);
}
res.status(404).send('Not found');
}
});
const port = config.getRawConfig().traefik?.maintenance_port || 8888;
app.listen(port, '0.0.0.0', () => {
logger.info(`Maintenance server listening on ${port}`);
generateMaintenanceFiles().catch(err => {
logger.error(`Failed to generate initial maintenance files: ${err}`);
});
});
}

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@@ -1,102 +0,0 @@
function escapeHtml(text: string): string {
const map: Record<string, string> = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#039;'
};
return text.replace(/[&<>"']/g, (char) => map[char]);
}
export function generateMaintenanceHTML(
title: string | null,
message: string | null,
estimatedTime: string | null
): string {
const safeTitle = escapeHtml(title || 'Service Temporarily Unavailable');
const safeMessage = escapeHtml(message || 'We are currently experiencing technical difficulties. Please check back soon.');
const safeEstimatedTime = estimatedTime ? escapeHtml(estimatedTime) : null;
return `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="robots" content="noindex, nofollow">
<title>${safeTitle}</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #fff;
color: #000;
padding: 1rem;
line-height: 1.6;
}
.container {
text-align: center;
padding: 3rem 2rem;
max-width: 600px;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border-radius: 20px;
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
border: 1px solid rgba(255, 255, 255, 0.2);
}
.icon {
font-size: 4rem;
margin-bottom: 1.5rem;
animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.1); }
}
h1 {
font-size: 2.5rem;
margin-bottom: 1rem;
font-weight: 700;
line-height: 1.2;
}
.message {
font-size: 1.2rem;
margin-bottom: 1rem;
opacity: 0.95;
}
.time {
margin-top: 1.5rem;
padding: 1rem;
background: rgba(255, 255, 255, 0.15);
border-radius: 10px;
font-size: 1rem;
font-weight: 500;
}
@media (max-width: 640px) {
h1 { font-size: 2rem; }
.message { font-size: 1rem; }
.container { padding: 2rem 1.5rem; }
}
</style>
</head>
<body>
<div class="container">
<div class="icon">🔧</div>
<h1>${safeTitle}</h1>
<p class="message">${safeMessage}</p>
${safeEstimatedTime ?
`<div class="time">
<strong>Estimated completion:</strong><br>
${safeEstimatedTime}
</div>`
: ''}
</div>
</body>
</html>`;
}

View File

@@ -87,6 +87,13 @@ export async function getTraefikConfig(
headers: resources.headers,
proxyProtocol: resources.proxyProtocol,
proxyProtocolVersion: resources.proxyProtocolVersion,
maintenanceModeEnabled: resources.maintenanceModeEnabled,
maintenanceModeType: resources.maintenanceModeType,
maintenanceTitle: resources.maintenanceTitle,
maintenanceMessage: resources.maintenanceMessage,
maintenanceEstimatedTime: resources.maintenanceEstimatedTime,
// Target fields
targetId: targets.targetId,
targetEnabled: targets.enabled,
@@ -220,7 +227,13 @@ export async function getTraefikConfig(
rewritePathType: row.rewritePathType,
priority: priority, // may be null, we fallback later
domainCertResolver: row.domainCertResolver,
preferWildcardCert: row.preferWildcardCert
preferWildcardCert: row.preferWildcardCert,
maintenanceModeEnabled: row.maintenanceModeEnabled,
maintenanceModeType: row.maintenanceModeType,
maintenanceTitle: row.maintenanceTitle,
maintenanceMessage: row.maintenanceMessage,
maintenanceEstimatedTime: row.maintenanceEstimatedTime,
});
}
@@ -348,8 +361,8 @@ export async function getTraefikConfig(
if (showMaintenancePage) {
const maintenanceServiceName = `${key}-maintenance-service`;
const maintenanceRouterName = `${key}-maintenance-router`;
const rewriteMiddlewareName = `${key}-maintenance-rewrite`;
const maintenancePort = config.getRawConfig().traefik.maintenance_port || 8888;
const entrypointHttp = config.getRawConfig().traefik.http_entrypoint;
const entrypointHttps = config.getRawConfig().traefik.https_entrypoint;
@@ -367,7 +380,8 @@ export async function getTraefikConfig(
: {})
};
const maintenanceHost = config.getRawConfig().traefik?.maintenance_host || 'pangolin';
const maintenancePort = config.getRawConfig().traefik?.maintenance_port;
const maintenanceHost = config.getRawConfig().traefik?.maintenance_host || 'dev_pangolin';
config_output.http.services[maintenanceServiceName] = {
loadBalancer: {
@@ -376,20 +390,32 @@ export async function getTraefikConfig(
}
};
// middleware to rewrite path to /maintenance-screen
if (!config_output.http.middlewares) {
config_output.http.middlewares = {};
}
config_output.http.middlewares[rewriteMiddlewareName] = {
replacePath: {
path: "/maintenance-screen"
}
};
const rule = `Host(\`${fullDomain}\`)`;
config_output.http.routers[maintenanceRouterName] = {
entryPoints: [resource.ssl ? entrypointHttps : entrypointHttp],
service: maintenanceServiceName,
middlewares: [rewriteMiddlewareName],
rule,
priority: 2000,
...(resource.ssl ? { tls } : {})
};
if (resource.ssl) {
config_output.http.routers[`${maintenanceRouterName}-redirect`] = {
config_output.http.routers[`${maintenanceRouterName}-redirect`] = {
entryPoints: [entrypointHttp],
middlewares: [redirectHttpsMiddlewareName],
middlewares: [redirectHttpsMiddlewareName, rewriteMiddlewareName],
service: maintenanceServiceName,
rule,
priority: 2000
@@ -398,7 +424,6 @@ export async function getTraefikConfig(
continue;
}
const domainParts = fullDomain.split(".");
let wildCard;
if (domainParts.length <= 2) {
@@ -885,7 +910,7 @@ export async function getTraefikConfig(
servers: [
{
url: `http://${config.getRawConfig().server
.internal_hostname
.internal_hostname
}:${config.getRawConfig().server.next_port}`
}
]

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@@ -0,0 +1,53 @@
import { headers } from 'next/headers';
import { db } from '@server/db';
import { resources } from '@server/db';
import { eq } from 'drizzle-orm';
export default async function MaintenanceScreen() {
const headersList = await headers();
const host = headersList.get('host') || '';
const hostname = host.split(':')[0];
const [resource] = await db
.select()
.from(resources)
.where(eq(resources.fullDomain, hostname))
.limit(1);
const title = resource?.maintenanceTitle || 'Service Temporarily Unavailable';
const message = resource?.maintenanceMessage || 'We are currently experiencing technical difficulties. Please check back soon.';
const estimatedTime = resource?.maintenanceEstimatedTime;
return (
<div className="min-h-screen flex items-center justify-center bg-gray-100">
<div className="max-w-2xl w-full bg-white/10 backdrop-blur-lg rounded-3xl p-8 shadow-2xl border border-white/20">
<div className="text-center">
<div className="text-6xl mb-6 animate-pulse">
🔧
</div>
<h1 className="text-4xl font-bold text-black mb-4">
{title}
</h1>
<p className="text-xl text-black/90 mb-6">
{message}
</p>
{estimatedTime && (
<div className="mt-8 p-4 bg-white/15 rounded-xl">
<p className="text-black font-semibold">
Estimated completion:
</p>
<p className="text-black/90 mt-2">
{estimatedTime}
</p>
</div>
)}
</div>
</div>
</div>
);
}