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feat: Added segment synthesis for db client otel spans to db trace (#…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * Copyright 2024 New Relic Corporation. All rights reserved. | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| 'use strict' | ||
| const logger = require('../../logger').child({ component: 'elasticsearch_query_parser' }) | ||
| const { isNotEmpty } = require('../../util/objects') | ||
|
|
||
| /** | ||
| * Parses the parameters sent to elasticsearch for collection, | ||
| * method, and query | ||
| * | ||
| * @param {object} params Query object received by the datashim. | ||
| * Required properties: path {string}, method {string}. | ||
| * Optional properties: querystring {string}, body {object}, and | ||
| * bulkBody {object} | ||
| * @returns {object} consisting of collection {string}, operation {string}, | ||
| * and query {string} | ||
| */ | ||
| function queryParser(params) { | ||
| params = JSON.parse(params) | ||
| const { collection, operation } = parsePath(params.path, params.method) | ||
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| // the substance of the query may be in querystring or in body. | ||
| let queryParam = {} | ||
| if (isNotEmpty(params.querystring)) { | ||
| queryParam = params.querystring | ||
| } | ||
| // let body or bulkBody override querystring, as some requests have both | ||
| if (isNotEmpty(params.body)) { | ||
| queryParam = params.body | ||
| } else if (Array.isArray(params.bulkBody) && params.bulkBody.length) { | ||
| queryParam = params.bulkBody | ||
| } | ||
| // The helper interface provides a simpler API: | ||
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| const query = JSON.stringify(queryParam) | ||
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| return { | ||
| collection, | ||
| operation, | ||
| query | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Convenience function for parsing the params.path sent to the queryParser | ||
| * for normalized collection and operation | ||
| * | ||
| * @param {string} pathString params.path supplied to the query parser | ||
| * @param {string} method http method called by @elastic/elasticsearch | ||
| * @returns {object} consisting of collection {string} and operation {string} | ||
| */ | ||
| function parsePath(pathString, method) { | ||
| let collection | ||
| let operation | ||
| const defaultCollection = 'any' | ||
| const actions = { | ||
| GET: 'get', | ||
| PUT: 'create', | ||
| POST: 'create', | ||
| DELETE: 'delete', | ||
| HEAD: 'exists' | ||
| } | ||
| const suffix = actions[method] | ||
|
|
||
| try { | ||
| const path = pathString.split('/') | ||
| if (method === 'PUT' && path.length === 2) { | ||
| collection = path?.[1] || defaultCollection | ||
| operation = `index.create` | ||
| return { collection, operation } | ||
| } | ||
| path.forEach((segment, idx) => { | ||
| const prev = idx - 1 | ||
| let opname | ||
| if (segment === '_search') { | ||
| collection = path?.[prev] || defaultCollection | ||
| operation = `search` | ||
| } else if (segment[0] === '_') { | ||
| opname = segment.substring(1) | ||
| collection = path?.[prev] || defaultCollection | ||
| operation = `${opname}.${suffix}` | ||
| } | ||
| }) | ||
| if (!operation && !collection) { | ||
| // likely creating an index--no underscore segments | ||
| collection = path?.[1] || defaultCollection | ||
| operation = `index.${suffix}` | ||
| } | ||
| } catch (e) { | ||
| logger.warn('Failed to parse path for operation and collection. Using defaults') | ||
| logger.warn(e) | ||
| collection = defaultCollection | ||
| operation = 'unknown' | ||
| } | ||
|
|
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| return { collection, operation } | ||
| } | ||
|
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| module.exports = { queryParser, parsePath } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Copyright 2024 New Relic Corporation. All rights reserved. | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| 'use strict' | ||
|
|
||
| /** | ||
| * parser used to grab the collection and operation | ||
| * from a running query | ||
| * | ||
| * @param {object} operation mongodb operation | ||
| * @returns {object} { operation, collection } parsed operation and collection | ||
| */ | ||
| function queryParser(operation) { | ||
| let collection = this.collectionName || 'unknown' | ||
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| // cursor methods have collection on namespace.collection | ||
| if (this?.namespace?.collection) { | ||
| collection = this.namespace.collection | ||
| // (un)ordered bulk operations have collection on different key | ||
| } else if (this?.s?.collection?.collectionName) { | ||
| collection = this.s.collection.collectionName | ||
| } | ||
|
|
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| return { operation, collection } | ||
| } | ||
|
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| module.exports = queryParser |
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