bc4bd79e90
* Basic process metrics * Enable Prometheus by an environment variable * Code formatting * Documentation for Prometheus metrics * Link from README to documentation of Prometheus * Link from README to documentation of Prometheus * Link from README to documentation of Prometheus * Separate module for metrics + tests * Metrics limited by IP * Metrics are forbidded for all requets by default * Code refactoring * allowedIps passed as a string to PrometheusMetrics * Handle missing config * METRICS_PROMETHEUS_ALLOWED_IPS added to documentation * Log info about enabled metrics * Unused code removed * package-lock.json updated * prom-client updated to 11.1.2 * Code refactoring * Do not read IP address from X-Forwarder-For header
94 lines
2.5 KiB
JavaScript
94 lines
2.5 KiB
JavaScript
'use strict'
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const { expect } = require('chai')
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const Camp = require('camp')
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const fetch = require('node-fetch')
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const config = require('../test-config')
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const Metrics = require('./prometheus-metrics')
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describe('Prometheus metrics route', function() {
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const baseUrl = `http://127.0.0.1:${config.port}`
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let camp
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afterEach(function(done) {
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if (camp) {
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camp.close(() => done())
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camp = undefined
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}
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})
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function startServer(metricsConfig) {
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return new Promise((resolve, reject) => {
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camp = Camp.start({ port: config.port, hostname: '::' })
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const metrics = new Metrics(metricsConfig)
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metrics.initialize(camp)
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camp.on('listening', () => resolve())
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})
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}
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it('returns 404 when metrics are disabled', async function() {
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startServer({ enabled: false })
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(404)
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expect(await res.text()).to.not.contains('nodejs_version_info')
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})
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it('returns 404 when there is no configuration', async function() {
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startServer()
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(404)
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expect(await res.text()).to.not.contains('nodejs_version_info')
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})
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it('returns metrics for allowed IP', async function() {
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startServer({
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enabled: true,
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allowedIps: '^(127\\.0\\.0\\.1|::1|::ffff:127\\.0\\.0\\.1)$',
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})
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(200)
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expect(await res.text()).to.contains('nodejs_version_info')
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})
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it('returns metrics for request from allowed remote address', async function() {
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startServer({
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enabled: true,
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allowedIps: '^(127\\.0\\.0\\.1|::1|::ffff:127\\.0\\.0\\.1)$',
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})
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(200)
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expect(await res.text()).to.contains('nodejs_version_info')
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})
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it('returns 403 for not allowed IP', async function() {
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startServer({
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enabled: true,
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allowedIps: '^127\\.0\\.0\\.200$',
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})
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(403)
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expect(await res.text()).to.not.contains('nodejs_version_info')
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})
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it('returns 403 for every request when list with allowed IPs not defined', async function() {
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startServer({
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enabled: true,
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})
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const res = await fetch(`${baseUrl}/metrics`)
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expect(res.status).to.be.equal(403)
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expect(await res.text()).to.not.contains('nodejs_version_info')
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})
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})
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