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Export general metrics via the /metrics endpoint

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This commit is contained in:
Matthew Macdonald-Wallace 2021-07-22 08:43:04 +01:00
parent e3d4a896b1
commit 582fb2fe29
3 changed files with 205 additions and 83 deletions
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14
server/server.js
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@ -15,8 +15,7 @@ const gracefulShutdown = require('http-graceful-shutdown');
const Database = require("./database");
const {sleep} = require("./util");
const args = require('args-parser')(process.argv);
const prom_client = require('prom-client')
const apiMetrics = require('prometheus-api-metrics');
const version = require('../package.json').version;
const hostname = args.host || "0.0.0.0"
const port = args.port || 3001
@ -33,11 +32,6 @@ app.use(express.json())
* Total WebSocket client connected to server currently, no actual use
* @type {number}
*/
console.log("Setting up the Prometheus Client")
const collectDefaultMetrics = prom_client.collectDefaultMetrics;
collectDefaultMetrics({ prefix: 'uptimekuma' });
let totalClient = 0;
/**
@ -63,12 +57,8 @@ let needSetup = false;
console.log("Adding route")
app.use('/', express.static("dist"));
app.use(apiMetrics())
console.log("Adding /metrics")
app.get('/metrics', function (req, res) {
res.set('Content-Type', prom_client.register.contentType);
res.end(prom_client.register.metrics());
});
app.get('*', function(request, response, next) {
response.sendFile(process.cwd() + '/dist/index.html');