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index.js
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index.js
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var strftime = require('strftime');
var express = require('express');
var bodyParser = require('body-parser');
var cors = require('cors');
var axios = require('axios');
var app = express();
var config = require('./config.json');
if (!config) {
console.error('Config not found!');
return;
}
app.use(cors());
app.use(bodyParser.json());
function handleRequest(req, res) {
if (!req.body) return;
let body = req.body;
// If an individual JSON object is passed in, put into an
// array ("batch of one")
if (!Array.isArray(req.body)) {
body = [req.body];
}
let requests = [];
body.forEach(logEntry => {
let request = axios.post(config.logstashUrl, {
...logEntry,
type: config.type,
index: strftime(config.index)
});
requests.push(request);
});
axios
.all(requests)
.then(() => {
res.send('');
})
.catch(error => {
console.error('Error connecting to logstash.', error.toString());
res.status(500).send('');
});
}
// Some logging tools like StackTrace.js POST entries to an endpoint
app.post(config.routeName, handleRequest);
// Others, like bunyan will PUT log entries
app.put(config.routeName, handleRequest);
app.listen(config.listenPort, function() {
console.log('recordatus listening on port ' + config.listenPort);
});