bf4c57f7bc
* Use node: prefix for stdlib imports * Make code more ESM-friendly * Add missing mjs file * Drop mjs file from package.json
55 lines
1.9 KiB
TypeScript
55 lines
1.9 KiB
TypeScript
/*
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* Licensed to Elasticsearch B.V. under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch B.V. licenses this file to you under
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* the Apache License, Version 2.0 (the "License") you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import assert from 'node:assert'
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import { Transport, SniffOptions } from '@elastic/transport'
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export default class SniffingTransport extends Transport {
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sniff (opts: SniffOptions): void {
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if (this.isSniffing) return
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this.isSniffing = true
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const request = {
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method: 'GET',
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path: this.sniffEndpoint ?? '/_nodes/_all/http'
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}
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this.request(request, { id: opts.requestId, meta: true })
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.then(result => {
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assert(isObject(result.body), 'The body should be an object')
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this.isSniffing = false
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const protocol = result.meta.connection?.url.protocol ?? /* istanbul ignore next */ 'http:'
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const hosts = this.connectionPool.nodesToHost(result.body.nodes, protocol)
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this.connectionPool.update(hosts)
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result.meta.sniff = { hosts, reason: opts.reason }
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this.diagnostic.emit('sniff', null, result)
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})
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.catch(err => {
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this.isSniffing = false
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err.meta.sniff = { hosts: [], reason: opts.reason }
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this.diagnostic.emit('sniff', err, null)
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})
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}
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}
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function isObject (obj: any): obj is Record<string, any> {
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return typeof obj === 'object'
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}
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