rest-api-starter/app/graphite.js

Rest API starter kit.

/**
 * Created by svinci on 3/16/17.
 */
'use strict';

const logger = require('./logger')('graphite');
const graphite  = require('graphite-tcp');
const configuration = require('config');
const Promise = require('bluebird');

module.exports = {
    'sendData': (data) => new Promise((resolve) => {

        let client = null;

        logger.debug('Opening graphite client.');
        const graphiteConfiguration = {
            'host': configuration.get('app.graphite.host'),
            'port': configuration.get('app.graphite.port'),
            'type': 'udp4',
            'prefix': configuration.get('app.graphite.prefix'),
            'callback': function(error) {
                if (error) {
                    logger.warning(`Could not send data to graphite. Cause: ${error}`);
                }
                if (client) {
                    logger.debug('Closing graphite client.');
                    client.close();
                    client = null;
                }
            }
        };

        client = graphite.createClient(graphiteConfiguration);

        data.forEach((item) => client.put(item.key, item.value));
        resolve();
    })
};