dragonflight/services/mam-api/src/index.js

294 lines
10 KiB
JavaScript

import 'dotenv/config';
import express from 'express';
import cors from 'cors';
import session from 'express-session';
import connectPgSimple from 'connect-pg-simple';
const PgStore = connectPgSimple(session);
import os from 'node:os';
import { exec } from 'node:child_process';
import pool from './db/pool.js';
import { errorHandler } from './middleware/errors.js';
import { requireAuth, requireUiHeader, requireAdmin } from './middleware/auth.js';
import { loadS3ConfigFromDb } from './s3/client.js';
import authRouter from './routes/auth.js';
import tokensRouter from './routes/tokens.js';
import usersRouter from './routes/users.js';
// Routes
import assetsRouter from './routes/assets.js';
import projectsRouter from './routes/projects.js';
import binsRouter from './routes/bins.js';
import jobsRouter from './routes/jobs.js';
import captureRouter from './routes/capture.js';
import uploadRouter from './routes/upload.js';
import recordersRouter from './routes/recorders.js';
import playoutRouter from './routes/playout.js';
import settingsRouter from './routes/settings.js';
import amppRouter from './routes/ampp.js';
import groupsRouter from './routes/groups.js';
import sequencesRouter from './routes/sequences.js';
import systemRouter from './routes/system.js';
import clusterRouter from './routes/cluster.js';
import sdkRouter from './routes/sdk.js';
import schedulesRouter from './routes/schedules.js';
import metricsRouter from './routes/metrics.js';
import commentsRouter from './routes/comments.js';
import importsRouter from './routes/imports.js';
import storageRouter from './routes/storage.js';
import { startSchedulerLoop, stopSchedulerLoop } from './scheduler.js';
import { startCleanupLoop } from './tasks/cleanupTempSegments.js';
const app = express();
const PORT = process.env.PORT || 3000;
const allowedOrigins = (process.env.ALLOWED_ORIGINS || '')
.split(',').map(s => s.trim()).filter(Boolean);
app.use(cors({
origin: (origin, cb) => {
if (!origin) return cb(null, true);
if (allowedOrigins.length === 0 || allowedOrigins.includes(origin)) return cb(null, true);
console.warn('[cors] rejected origin:', origin);
return cb(null, false);
},
credentials: true,
}));
app.use(express.json({ limit: '50mb' }));
if (process.env.TRUST_PROXY === 'true') app.set('trust proxy', 1);
if (process.env.AUTH_ENABLED === 'true') {
app.use((req, res, next) => {
if (req.secure) res.setHeader('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
next();
});
}
if (process.env.AUTH_ENABLED === 'true' && !process.env.SESSION_SECRET) {
console.error('[fatal] SESSION_SECRET is required when AUTH_ENABLED=true');
process.exit(1);
}
app.use(session({
store: new PgStore({ pool, tableName: 'sessions', pruneSessionInterval: 60 * 15 }),
secret: process.env.SESSION_SECRET,
name: 'dragonflight.sid',
cookie: {
httpOnly: true,
sameSite: 'lax',
secure: process.env.TRUST_PROXY === 'true',
path: '/',
maxAge: 8 * 3600 * 1000,
},
rolling: false,
resave: false,
saveUninitialized: false,
}));
app.get('/health', (_req, res) => res.json({ status: 'ok' }));
const UNAUTH_PATHS = new Set([
'/auth/login', '/auth/login/totp', '/auth/setup', '/auth/setup-required',
'/auth/google', '/auth/google/callback', '/auth/google/enabled',
]);
app.use('/api/v1', requireUiHeader);
app.use('/api/v1', (req, res, next) => {
if (UNAUTH_PATHS.has(req.path)) return next();
return requireAuth(req, res, next);
});
app.use('/api/v1/auth', authRouter);
app.use('/api/v1/auth/users', requireAdmin, usersRouter);
app.use('/api/v1/users', requireAdmin, usersRouter);
app.use('/api/v1/auth/tokens', requireAuth, tokensRouter);
app.use('/api/v1/assets', assetsRouter);
app.use('/api/v1/projects', projectsRouter);
app.use('/api/v1/bins', binsRouter);
app.use('/api/v1/jobs', jobsRouter);
app.use('/api/v1/capture', captureRouter);
app.use('/api/v1/upload', uploadRouter);
app.use('/api/v1/recorders', recordersRouter);
app.use('/api/v1/playout', playoutRouter);
app.use('/api/v1/settings', settingsRouter);
app.use('/api/v1/ampp', amppRouter);
app.use('/api/v1/groups', requireAdmin, groupsRouter);
app.use('/api/v1/sequences', sequencesRouter);
app.use('/api/v1/system', systemRouter);
app.use('/api/v1/cluster', clusterRouter);
app.use('/api/v1/sdk', sdkRouter);
app.use('/api/v1/schedules', schedulesRouter);
app.use('/api/v1/metrics', metricsRouter);
app.use('/api/v1/assets/:assetId/comments', commentsRouter);
app.use('/api/v1/imports', importsRouter);
app.use('/api/v1/storage', storageRouter);
app.use(errorHandler);
import { readdirSync, readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import { dirname, join } from 'node:path';
const __dirnameMig = dirname(fileURLToPath(import.meta.url));
async function runMigrations() {
const dir = join(__dirnameMig, 'db', 'migrations');
let files = [];
try { files = readdirSync(dir).filter(f => f.endsWith('.sql')).sort(); } catch { return; }
await pool.query(`
CREATE TABLE IF NOT EXISTS schema_migrations (
filename TEXT PRIMARY KEY,
applied_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
checksum_sha TEXT
)
`);
const force = process.env.MIGRATIONS_FORCE === '1';
const allowFailures = process.env.MIGRATIONS_ALLOW_FAILURES === '1';
const appliedRes = await pool.query('SELECT filename FROM schema_migrations');
const applied = new Set(appliedRes.rows.map(r => r.filename));
for (const f of files) {
if (!force && applied.has(f)) continue;
const sql = readFileSync(join(dir, f), 'utf8');
const client = await pool.connect();
try {
await client.query('BEGIN');
await client.query(sql);
await client.query(
`INSERT INTO schema_migrations (filename) VALUES ($1)
ON CONFLICT (filename) DO UPDATE SET applied_at = NOW()`,
[f]
);
await client.query('COMMIT');
console.log('[migration] applied ' + f);
} catch (err) {
await client.query('ROLLBACK').catch(() => {});
console.error('[migration] FAILED ' + f + ': ' + err.message);
client.release();
if (allowFailures) continue;
console.error('[migration] aborting startup. Set MIGRATIONS_ALLOW_FAILURES=1 to override.');
process.exit(1);
}
client.release();
}
}
await runMigrations();
await loadS3ConfigFromDb();
function getLocalIp() {
if (process.env.NODE_IP) return process.env.NODE_IP;
const ifaces = os.networkInterfaces();
for (const name of Object.keys(ifaces)) {
for (const iface of (ifaces[name] || [])) {
if (iface.family === 'IPv4' && !iface.internal) return iface.address;
}
}
return '127.0.0.1';
}
function detectGpus() {
return new Promise(resolve => {
exec(
'nvidia-smi --query-gpu=index,name,memory.total --format=csv,noheader,nounits',
{ timeout: 5000 },
(err, stdout) => {
if (err || !stdout.trim()) return resolve([]);
const gpus = stdout.trim().split('\n').map(line => {
const parts = line.split(',').map(s => s.trim());
return {
index: parseInt(parts[0], 10),
name: parts[1] || 'Unknown GPU',
memory_mb: parseInt(parts[2], 10) || 0,
};
}).filter(g => !isNaN(g.index));
resolve(gpus);
}
);
});
}
// Primary mam-api node self-registers in cluster_nodes every 30s. Must write
// BOTH last_seen (legacy column) and last_seen_at (added by mig 031, used by
// playout failover) — otherwise the primary appears stale to the failover
// query and channels get re-placed off it incorrectly.
async function selfHeartbeat() {
const load = os.loadavg()[0];
const total = os.totalmem();
const used = total - os.freemem();
const gpus = await detectGpus();
const capabilities = { gpus, blackmagic: [] };
pool.query(
`INSERT INTO cluster_nodes
(hostname, ip_address, role, version, api_url,
cpu_usage, mem_used_mb, mem_total_mb, capabilities, last_seen, last_seen_at)
VALUES ($1,$2,'primary',$3,$4,$5,$6,$7,$8,NOW(),NOW())
ON CONFLICT (hostname) DO UPDATE SET
ip_address = EXCLUDED.ip_address,
cpu_usage = EXCLUDED.cpu_usage,
mem_used_mb = EXCLUDED.mem_used_mb,
mem_total_mb = EXCLUDED.mem_total_mb,
capabilities = EXCLUDED.capabilities,
last_seen_at = NOW(),
last_seen = NOW()`,
[
process.env.NODE_HOSTNAME || os.hostname(),
getLocalIp(),
process.env.npm_package_version || null,
`http://${getLocalIp()}:${PORT}`,
parseFloat(load.toFixed(2)),
Math.round(used / 1024 / 1024),
Math.round(total / 1024 / 1024),
JSON.stringify(capabilities),
]
).catch(err => console.error('[cluster] heartbeat failed:', err.message));
}
setInterval(selfHeartbeat, 30_000);
selfHeartbeat();
const server = app.listen(PORT, () => {
const authMode = process.env.AUTH_ENABLED === 'true' ? 'ENABLED' : 'DISABLED — dev mode (dev user attached to every request)';
console.log(`MAM API listening on port ${PORT}`);
console.log(`Authentication: ${authMode}`);
if (process.env.AUTH_ENABLED === 'true' && process.env.TRUST_PROXY !== 'true') {
console.warn('[auth] WARNING: AUTH_ENABLED=true but TRUST_PROXY=false — req.ip will be the proxy IP, login rate-limit will throttle all clients together. Set TRUST_PROXY=true when behind nginx/HTTPS.');
}
startSchedulerLoop();
startCleanupLoop();
});
let _shuttingDown = false;
async function gracefulShutdown(signal) {
if (_shuttingDown) return;
_shuttingDown = true;
console.log(`[shutdown] received ${signal} — closing gracefully…`);
try { stopSchedulerLoop(); } catch (_) {}
const killSwitch = setTimeout(() => {
console.error('[shutdown] forced exit after 25s timeout');
process.exit(1);
}, 25_000);
killSwitch.unref();
await new Promise(resolve => server.close(resolve));
try { await pool.end(); } catch (e) { console.warn('[shutdown] pool.end:', e.message); }
console.log('[shutdown] clean exit');
process.exit(0);
}
process.on('SIGTERM', () => gracefulShutdown('SIGTERM'));
process.on('SIGINT', () => gracefulShutdown('SIGINT'));
process.on('uncaughtException', (err) => {
console.error('[fatal] uncaughtException:', err);
gracefulShutdown('uncaughtException');
});
process.on('unhandledRejection', (reason) => {
console.error('[fatal] unhandledRejection:', reason);
});