96 lines
2.3 KiB
JavaScript
96 lines
2.3 KiB
JavaScript
// Licensed to Elasticsearch B.V under one or more agreements.
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// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
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// See the LICENSE file in the project root for more information
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'use strict'
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const debug = require('debug')('elasticsearch-test')
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const workq = require('workq')
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const buildServer = require('./buildServer')
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var id = 0
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function buildCluster (options, callback) {
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const clusterId = id++
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debug(`Booting cluster '${clusterId}'`)
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if (typeof options === 'function') {
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callback = options
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options = {}
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}
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const q = workq()
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const nodes = {}
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const sniffResult = { nodes: {} }
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options.numberOfNodes = options.numberOfNodes || 4
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for (var i = 0; i < options.numberOfNodes; i++) {
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q.add(bootNode, { id: `node${i}` })
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}
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function bootNode (q, opts, done) {
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function handler (req, res) {
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res.setHeader('content-type', 'application/json')
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if (req.url === '/_nodes/_all/http') {
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res.end(JSON.stringify(sniffResult))
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} else {
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res.end(JSON.stringify({ hello: 'world' }))
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}
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}
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buildServer(options.handler || handler, ({ port }, server) => {
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nodes[opts.id] = {
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url: `http://127.0.0.1:${port}`,
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server
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}
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sniffResult.nodes[opts.id] = {
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http: {
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publish_address: options.hostPublishAddress
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? `localhost/127.0.0.1:${port}`
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: `127.0.0.1:${port}`
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},
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roles: ['master', 'data', 'ingest']
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}
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debug(`Booted cluster node '${opts.id}' on port ${port} (cluster id: '${clusterId}')`)
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done()
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})
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}
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function shutdown () {
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debug(`Shutting down cluster '${clusterId}'`)
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for (const id in nodes) {
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kill(id)
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}
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}
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function kill (id, callback) {
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debug(`Shutting down cluster node '${id}' (cluster id: '${clusterId}')`)
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const node = nodes[id]
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delete nodes[id]
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delete sniffResult.nodes[id]
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node.server.stop(callback)
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}
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function spawn (id, callback) {
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debug(`Spawning cluster node '${id}' (cluster id: '${clusterId}')`)
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q.add(bootNode, { id })
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q.add((q, done) => {
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callback()
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done()
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})
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}
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const cluster = {
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nodes,
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shutdown,
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kill,
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spawn
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}
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q.drain(done => {
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debug(`Cluster '${clusterId}' booted with ${options.numberOfNodes} nodes`)
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callback(cluster)
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done()
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})
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}
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module.exports = buildCluster
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