bd8365efc8
Adapted from MikaelKW/nodecast-tv-plus readiness and container context work. Co-authored-by: MikaelKW <87399352+MikaelKW@users.noreply.github.com>
32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
const http = require('node:http');
|
|
|
|
function checkHealth(port = process.env.PORT || 3000, timeout = 4000) {
|
|
return new Promise(resolve => {
|
|
let settled = false;
|
|
const finish = healthy => {
|
|
if (settled) return;
|
|
settled = true;
|
|
clearTimeout(timer);
|
|
resolve(healthy);
|
|
};
|
|
const request = http.get({ host: '127.0.0.1', port, path: '/api/health' }, response => {
|
|
let body = '';
|
|
response.setEncoding('utf8');
|
|
response.on('data', chunk => {
|
|
body += chunk;
|
|
if (body.length > 4096) { finish(false); request.destroy(); }
|
|
});
|
|
response.on('error', () => finish(false));
|
|
response.on('end', () => {
|
|
try { finish(response.statusCode === 200 && JSON.parse(body).status === 'ok'); }
|
|
catch { finish(false); }
|
|
});
|
|
});
|
|
request.on('error', () => finish(false));
|
|
const timer = setTimeout(() => { finish(false); request.destroy(); }, timeout);
|
|
});
|
|
}
|
|
|
|
if (require.main === module) checkHealth().then(healthy => { process.exitCode = healthy ? 0 : 1; });
|
|
module.exports = { checkHealth };
|