You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.8 KiB
50 lines
1.8 KiB
6 years ago
|
/*
|
||
|
* Copyright 2018 Excitable Aardvark <excitableaardvark@tutanota.de>
|
||
|
*
|
||
|
* Licensed under the 3-Clause BSD license. See LICENSE in the project root for
|
||
|
* more information.
|
||
|
*/
|
||
|
|
||
|
const Daemon = require('monero-rpc').Daemon
|
||
|
const express = require('express')
|
||
|
const prometheus = require('prom-client')
|
||
|
const util = require('util')
|
||
|
|
||
|
const DAEMON_HOST = process.env.DAEMON_HOST || 'http://localhost:18081'
|
||
|
const Gauge = prometheus.Gauge
|
||
|
|
||
|
const app = express()
|
||
|
const daemon = new Daemon(DAEMON_HOST)
|
||
|
|
||
|
let getInfo = util.promisify(daemon.getInfo.bind(daemon))
|
||
|
let getLastBlockHeader = util.promisify(daemon.getLastBlockHeader.bind(daemon))
|
||
|
|
||
|
const difficulty = new Gauge({ name: 'monerod_block_difficulty', help: 'Last block difficulty' })
|
||
|
const incomingConnections = new Gauge({ name: 'monerod_connections_incoming', help: 'Number of incoming connections' })
|
||
|
const mempoolSize = new Gauge({ name: 'monerod_tx_mempool', help: 'Number of transactions in the mempool' })
|
||
|
const outgoingConnections = new Gauge({ name: 'monerod_connections_outgoing', help: 'Number of outgoing connections' })
|
||
|
const reward = new Gauge({ name: 'monerod_block_reward', help: 'Last block reward' })
|
||
|
const txCount = new Gauge({ name: 'monerod_tx_chain', help: 'Number of transactions in total' })
|
||
|
|
||
|
app.get('/metrics', (req, res) => {
|
||
|
Promise.all([
|
||
|
getInfo(),
|
||
|
getLastBlockHeader()
|
||
|
])
|
||
|
.then(([info, header]) => {
|
||
|
difficulty.set(Number(header.difficulty))
|
||
|
incomingConnections.set(Number(info.incoming_connections_count))
|
||
|
mempoolSize.set(Number(info.tx_pool_size))
|
||
|
outgoingConnections.set(Number(info.outgoing_connections_count))
|
||
|
reward.set(Number(header.reward / 1e12))
|
||
|
txCount.set(Number(info.tx_count))
|
||
|
|
||
|
res.end(prometheus.register.metrics())
|
||
|
})
|
||
|
.catch(e => {
|
||
|
console.log(e)
|
||
|
})
|
||
|
})
|
||
|
|
||
|
module.exports = app
|