diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/.eslintignore b/plugins/node/opentelemetry-instrumentation-ioredis/.eslintignore new file mode 100644 index 0000000000..378eac25d3 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/.eslintignore @@ -0,0 +1 @@ +build diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/.eslintrc.js b/plugins/node/opentelemetry-instrumentation-ioredis/.eslintrc.js new file mode 100644 index 0000000000..f756f4488b --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/.eslintrc.js @@ -0,0 +1,7 @@ +module.exports = { + "env": { + "mocha": true, + "node": true + }, + ...require('../../../eslint.config.js') +} diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/.npmignore b/plugins/node/opentelemetry-instrumentation-ioredis/.npmignore new file mode 100644 index 0000000000..9505ba9450 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/.npmignore @@ -0,0 +1,4 @@ +/bin +/coverage +/doc +/test diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/LICENSE b/plugins/node/opentelemetry-instrumentation-ioredis/LICENSE new file mode 100644 index 0000000000..261eeb9e9f --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/README.md b/plugins/node/opentelemetry-instrumentation-ioredis/README.md new file mode 100644 index 0000000000..bb2f86d513 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/README.md @@ -0,0 +1,88 @@ +# OpenTelemetry ioredis Instrumentation for Node.js + +[![Gitter chat][gitter-image]][gitter-url] +[![dependencies][dependencies-image]][dependencies-url] +[![devDependencies][devDependencies-image]][devDependencies-url] +[![Apache License][license-image]][license-image] + +This module provides automatic instrumentation for [`ioredis`](https://github.com/luin/ioredis). + +For automatic instrumentation see the +[@opentelemetry/node](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-node) package. + +## Installation + +```sh +npm install --save @opentelemetry/instrumentation-ioredis +``` + +### Supported Versions + +- `>=2.0.0` + +## Usage + +To load a specific instrumentation (**ioredis** in this case), specify it in the Node Tracer's configuration + +```javascript +const { NodeTracerProvider } = require('@opentelemetry/node'); +const { IORedisInstrumentation } = require('@opentelemetry/instrumentation-ioredis'); + +const provider = new NodeTracerProvider({ + // be sure to disable old plugin + plugins: { + ioredis: { enabled: false, path: '@opentelemetry/plugin-ioredis' } + }, +}); +provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter())); +provider.register(); + +const ioredisInstrumentation = new IORedisInstrumentation({ + // see under for available configuration +}); + +``` + +### IORedis Instrumentation Options + +IORedis instrumentation has few options available to choose from. You can set the following: + +| Options | Type | Description | +| ------- | ---- | ----------- | +| `dbStatementSerializer` | `DbStatementSerializer` | IORedis instrumentation will serialize db.statement using the specified function. | + +#### Custom db.statement Serializer +The instrumentation serializes the whole command into a Span attribute called `db.statement`. The standard serialization format is `{cmdName} {cmdArgs.join(',')}`. +It is also possible to define a custom serialization function. The function will receive the command name and arguments and must return a string. + +Here is a simple example to serialize the command name skipping arguments: + +```javascript +const { IORedisInstrumentation } = require('@opentelemetry/instrumentation-ioredis'); + +const ioredisInstrumentation = new IORedisInstrumentation({ + dbStatementSerializer: function (cmdName, cmdArgs) { + return cmdName; + } +}); + +``` + +## Useful links + +- For more information on OpenTelemetry, visit: +- For more about OpenTelemetry JavaScript: +- For help or feedback on this project, join us on [gitter][gitter-url] + +## License + +Apache 2.0 - See [LICENSE][license-url] for more information. + +[gitter-image]: https://badges.gitter.im/open-telemetry/opentelemetry-js-contrib.svg +[gitter-url]: https://gitter.im/open-telemetry/opentelemetry-node?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge +[license-url]: https://github.com/open-telemetry/opentelemetry-js-contrib/blob/main/LICENSE +[license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat +[dependencies-image]: https://david-dm.org/open-telemetryopentelemetry-js-contrib/status.svg?path=packages/opentelemetry-instrumentation-ioredis +[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-instrumentation-ioredis +[devDependencies-image]: https://david-dm.org/open-telemetryopentelemetry-js-contrib/dev-status.svg?path=packages/opentelemetry-instrumentation-ioredis +[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=packages%2Fopentelemetry-instrumentation-ioredis&type=dev diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/package.json b/plugins/node/opentelemetry-instrumentation-ioredis/package.json new file mode 100644 index 0000000000..cef479fa50 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/package.json @@ -0,0 +1,73 @@ +{ + "name": "@opentelemetry/instrumentation-ioredis", + "version": "0.13.0", + "description": "OpenTelemetry ioredis automatic instrumentation package.", + "main": "build/src/index.js", + "types": "build/src/index.d.ts", + "repository": "open-telemetry/opentelemetry-js-contrib", + "scripts": { + "test": "nyc ts-mocha -p tsconfig.json 'test/**/*.test.ts'", + "test:debug": "cross-env RUN_REDIS_TESTS_LOCAL=true ts-mocha --inspect-brk --no-timeouts -p tsconfig.json 'test/**/*.test.ts'", + "test:local": "cross-env RUN_REDIS_TESTS_LOCAL=true npm run test", + "tdd": "npm run test -- --watch-extensions ts --watch", + "clean": "rimraf build/*", + "lint": "eslint . --ext .ts", + "lint:fix": "eslint . --ext .ts --fix", + "precompile": "tsc --version", + "version:update": "node ../../../scripts/version-update.js", + "compile": "npm run version:update && tsc -p .", + "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../", + "prepare": "npm run compile" + }, + "keywords": [ + "opentelemetry", + "ioredis", + "redis", + "nodejs", + "tracing", + "profiling", + "instrumentation" + ], + "author": "OpenTelemetry Authors", + "license": "Apache-2.0", + "engines": { + "node": ">=8.0.0" + }, + "files": [ + "build/src/**/*.js", + "build/src/**/*.d.ts", + "doc", + "LICENSE", + "README.md" + ], + "publishConfig": { + "access": "public" + }, + "devDependencies": { + "@opentelemetry/context-async-hooks": "^0.15.0", + "@opentelemetry/node": "^0.15.0", + "@opentelemetry/test-utils": "^0.13.0", + "@opentelemetry/tracing": "^0.15.0", + "@types/ioredis": "4.17.3", + "@types/mocha": "7.0.2", + "@types/node": "14.0.27", + "@types/shimmer": "1.0.1", + "codecov": "3.7.2", + "cross-env": "7.0.2", + "gts": "2.0.2", + "ioredis": "4.17.3", + "mocha": "7.2.0", + "nyc": "15.1.0", + "rimraf": "3.0.2", + "ts-mocha": "8.0.0", + "ts-node": "9.0.0", + "tslint-consistent-codestyle": "1.16.0", + "tslint-microsoft-contrib": "6.2.0", + "typescript": "3.9.7" + }, + "dependencies": { + "@opentelemetry/api": "^0.15.0", + "@opentelemetry/instrumentation": "^0.15.0", + "@opentelemetry/semantic-conventions": "^0.15.0" + } +} diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/src/index.ts b/plugins/node/opentelemetry-instrumentation-ioredis/src/index.ts new file mode 100644 index 0000000000..1e4e8c2556 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/src/index.ts @@ -0,0 +1,18 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +export * from './ioredis'; +export { IORedisInstrumentationConfig } from './types'; diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/src/ioredis.ts b/plugins/node/opentelemetry-instrumentation-ioredis/src/ioredis.ts new file mode 100644 index 0000000000..4ab9f98e35 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/src/ioredis.ts @@ -0,0 +1,86 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import type * as ioredisTypes from 'ioredis'; +import { + InstrumentationBase, + InstrumentationNodeModuleDefinition, + isWrapped, +} from '@opentelemetry/instrumentation'; +import { IORedisInstrumentationConfig } from './types'; +import { traceConnection, traceSendCommand } from './utils'; +import { VERSION } from './version'; + +export class IORedisInstrumentation extends InstrumentationBase< + typeof ioredisTypes +> { + static readonly DB_SYSTEM = 'redis'; + readonly supportedVersions = ['>1 <5']; + + constructor(protected _config: IORedisInstrumentationConfig = {}) { + super('@opentelemetry/instrumentation-ioredis', VERSION, _config); + } + + init(): InstrumentationNodeModuleDefinition[] { + return [ + new InstrumentationNodeModuleDefinition( + 'ioredis', + this.supportedVersions, + moduleExports => { + this._logger.debug('Applying patch for ioredis'); + if (isWrapped(moduleExports.prototype.sendCommand)) { + this._unwrap(moduleExports.prototype, 'sendCommand'); + } + this._wrap( + moduleExports.prototype, + 'sendCommand', + this._patchSendCommand() + ); + if (isWrapped(moduleExports.prototype.connect)) { + this._unwrap(moduleExports.prototype, 'connect'); + } + this._wrap( + moduleExports.prototype, + 'connect', + this._patchConnection() + ); + return moduleExports; + }, + moduleExports => { + if (moduleExports === undefined) return; + this._logger.debug('Removing patch for ioredis'); + this._unwrap(moduleExports.prototype, 'sendCommand'); + this._unwrap(moduleExports.prototype, 'connect'); + } + ), + ]; + } + + /** + * Patch send command internal to trace requests + */ + private _patchSendCommand() { + return (original: Function) => { + return traceSendCommand(this.tracer, original, this._config); + }; + } + + private _patchConnection() { + return (original: Function) => { + return traceConnection(this.tracer, original); + }; + } +} diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/src/types.ts b/plugins/node/opentelemetry-instrumentation-ioredis/src/types.ts new file mode 100644 index 0000000000..545fda0c31 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/src/types.ts @@ -0,0 +1,49 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import type * as ioredisTypes from 'ioredis'; +import { InstrumentationConfig } from '@opentelemetry/instrumentation'; + +// eslint-disable-next-line @typescript-eslint/interface-name-prefix +export interface IORedisCommand { + reject: (err: Error) => void; + resolve: (result: {}) => void; + promise: Promise<{}>; + args: Array; + callback: ioredisTypes.CallbackFunction; + name: string; +} + +/** + * Function that can be used to serialize db.statement tag + * @param cmdName - The name of the command (eg. set, get, mset) + * @param cmdArgs - Array of arguments passed to the command + * + * @returns serialized string that will be used as the db.statement attribute. + */ +export type DbStatementSerializer = ( + cmdName: IORedisCommand['name'], + cmdArgs: IORedisCommand['args'] +) => string; + +/** + * Options available for the IORedis Instrumentation (see [documentation](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-instrumentation-ioredis#ioredis-instrumentation-options)) + */ +// eslint-disable-next-line @typescript-eslint/interface-name-prefix +export interface IORedisInstrumentationConfig extends InstrumentationConfig { + /** Custom serializer function for the db.statement tag */ + dbStatementSerializer?: DbStatementSerializer; +} diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/src/utils.ts b/plugins/node/opentelemetry-instrumentation-ioredis/src/utils.ts new file mode 100644 index 0000000000..7955c3a55c --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/src/utils.ts @@ -0,0 +1,140 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import type * as ioredisTypes from 'ioredis'; +import { + Tracer, + SpanKind, + Span, + StatusCode, + getSpan, + context, +} from '@opentelemetry/api'; +import { + IORedisCommand, + IORedisInstrumentationConfig, + DbStatementSerializer, +} from './types'; +import { IORedisInstrumentation } from './ioredis'; +import { + DatabaseAttribute, + GeneralAttribute, +} from '@opentelemetry/semantic-conventions'; + +const endSpan = (span: Span, err: NodeJS.ErrnoException | null | undefined) => { + if (err) { + span.recordException(err); + span.setStatus({ + code: StatusCode.ERROR, + message: err.message, + }); + } + span.end(); +}; + +export const traceConnection = (tracer: Tracer, original: Function) => { + return function (this: ioredisTypes.Redis) { + const span = tracer.startSpan('connect', { + kind: SpanKind.CLIENT, + attributes: { + [DatabaseAttribute.DB_SYSTEM]: IORedisInstrumentation.DB_SYSTEM, + [DatabaseAttribute.DB_STATEMENT]: 'connect', + }, + }); + const { host, port } = this.options; + + span.setAttributes({ + [GeneralAttribute.NET_PEER_NAME]: host, + [GeneralAttribute.NET_PEER_PORT]: port, + [GeneralAttribute.NET_PEER_ADDRESS]: `redis://${host}:${port}`, + }); + try { + const client = original.apply(this, arguments); + endSpan(span, null); + return client; + } catch (error) { + endSpan(span, error); + throw error; + } + }; +}; + +const defaultDbStatementSerializer: DbStatementSerializer = ( + cmdName, + cmdArgs +) => + Array.isArray(cmdArgs) && cmdArgs.length + ? `${cmdName} ${cmdArgs.join(' ')}` + : cmdName; + +export const traceSendCommand = ( + tracer: Tracer, + original: Function, + config?: IORedisInstrumentationConfig +) => { + const dbStatementSerializer = + config?.dbStatementSerializer || defaultDbStatementSerializer; + return function (this: ioredisTypes.Redis, cmd?: IORedisCommand) { + if (arguments.length < 1 || typeof cmd !== 'object') { + return original.apply(this, arguments); + } + // Do not trace if there is not parent span + if (getSpan(context.active()) === undefined) { + return original.apply(this, arguments); + } + + const span = tracer.startSpan(cmd.name, { + kind: SpanKind.CLIENT, + attributes: { + [DatabaseAttribute.DB_SYSTEM]: IORedisInstrumentation.DB_SYSTEM, + [DatabaseAttribute.DB_STATEMENT]: dbStatementSerializer( + cmd.name, + cmd.args + ), + }, + }); + + const { host, port } = this.options; + + span.setAttributes({ + [GeneralAttribute.NET_PEER_NAME]: host, + [GeneralAttribute.NET_PEER_PORT]: port, + [GeneralAttribute.NET_PEER_ADDRESS]: `redis://${host}:${port}`, + }); + + try { + const result = original.apply(this, arguments); + + const origResolve = cmd.resolve; + /* eslint-disable @typescript-eslint/no-explicit-any */ + cmd.resolve = function (result: any) { + endSpan(span, null); + origResolve(result); + }; + + const origReject = cmd.reject; + cmd.reject = function (err: Error) { + endSpan(span, err); + origReject(err); + }; + + return result; + } catch (error) { + endSpan(span, error); + throw error; + } + }; +}; diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/src/version.ts b/plugins/node/opentelemetry-instrumentation-ioredis/src/version.ts new file mode 100644 index 0000000000..c032ed99f3 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/src/version.ts @@ -0,0 +1,18 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// this is autogenerated file, see scripts/version-update.js +export const VERSION = '0.12.1'; diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/test/ioredis.test.ts b/plugins/node/opentelemetry-instrumentation-ioredis/test/ioredis.test.ts new file mode 100644 index 0000000000..80f15e1a8c --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/test/ioredis.test.ts @@ -0,0 +1,715 @@ +/* + * Copyright The OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import { + StatusCode, + context, + SpanKind, + Status, + getSpan, + setSpan, +} from '@opentelemetry/api'; +import { NodeTracerProvider } from '@opentelemetry/node'; +import { AsyncHooksContextManager } from '@opentelemetry/context-async-hooks'; +import * as testUtils from '@opentelemetry/test-utils'; +import { + InMemorySpanExporter, + ReadableSpan, + SimpleSpanProcessor, +} from '@opentelemetry/tracing'; +import * as assert from 'assert'; +import * as ioredisTypes from 'ioredis'; +import { IORedisInstrumentation } from '../src'; +import { + IORedisInstrumentationConfig, + DbStatementSerializer, +} from '../src/types'; +import { + DatabaseAttribute, + ExceptionAttribute, + GeneralAttribute, +} from '@opentelemetry/semantic-conventions'; + +const memoryExporter = new InMemorySpanExporter(); + +const CONFIG = { + host: process.env.OPENTELEMETRY_REDIS_HOST || 'localhost', + port: parseInt(process.env.OPENTELEMETRY_REDIS_PORT || '63790', 10), +}; + +const URL = `redis://${CONFIG.host}:${CONFIG.port}`; + +const DEFAULT_ATTRIBUTES = { + [DatabaseAttribute.DB_SYSTEM]: IORedisInstrumentation.DB_SYSTEM, + [GeneralAttribute.NET_PEER_NAME]: CONFIG.host, + [GeneralAttribute.NET_PEER_PORT]: CONFIG.port, + [GeneralAttribute.NET_PEER_ADDRESS]: URL, +}; + +const unsetStatus: Status = { + code: StatusCode.UNSET, +}; + +const predictableStackTrace = + '-- Stack trace replaced by test to predictable value -- '; +const sanitizeEventForAssertion = (span: ReadableSpan) => { + span.events.forEach(e => { + // stack trace includes data such as /user/{userName}/repos/{projectName} + if (e.attributes?.[ExceptionAttribute.STACKTRACE]) { + e.attributes[ExceptionAttribute.STACKTRACE] = predictableStackTrace; + } + + // since time will change on each test invocation, it is being replaced to predicable value + e.time = [0, 0]; + }); +}; + +describe('ioredis', () => { + const provider = new NodeTracerProvider(); + let ioredis: typeof ioredisTypes; + let instrumentation: IORedisInstrumentation; + const shouldTestLocal = process.env.RUN_REDIS_TESTS_LOCAL; + const shouldTest = process.env.RUN_REDIS_TESTS || shouldTestLocal; + + let contextManager: AsyncHooksContextManager; + beforeEach(() => { + contextManager = new AsyncHooksContextManager().enable(); + context.setGlobalContextManager(contextManager); + }); + + afterEach(() => { + context.disable(); + }); + + before(function () { + // needs to be "function" to have MochaContext "this" context + if (!shouldTest) { + // this.skip() workaround + // https://github.com/mochajs/mocha/issues/2683#issuecomment-375629901 + this.test!.parent!.pending = true; + this.skip(); + } + + if (shouldTestLocal) { + testUtils.startDocker('redis'); + } + + provider.addSpanProcessor(new SimpleSpanProcessor(memoryExporter)); + instrumentation = new IORedisInstrumentation(); + instrumentation.setTracerProvider(provider); + ioredis = require('ioredis'); + }); + + after(() => { + if (shouldTestLocal) { + testUtils.cleanUpDocker('redis'); + } + }); + + it('should have correct module name', () => { + assert.strictEqual( + instrumentation.instrumentationName, + '@opentelemetry/instrumentation-ioredis' + ); + }); + + describe('#createClient()', () => { + it('should propagate the current span to event handlers', done => { + const span = provider.getTracer('ioredis-test').startSpan('test span'); + let client: ioredisTypes.Redis; + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: 'connect', + }; + const readyHandler = () => { + const endedSpans = memoryExporter.getFinishedSpans(); + + assert.strictEqual(getSpan(context.active()), span); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, 'connect'); + assert.strictEqual(endedSpans[1].name, 'info'); + testUtils.assertPropagation(endedSpans[0], span); + + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + span.end(); + assert.strictEqual(endedSpans.length, 3); + assert.strictEqual(endedSpans[2].name, 'test span'); + + client.quit(() => { + assert.strictEqual(endedSpans.length, 4); + assert.strictEqual(endedSpans[3].name, 'quit'); + done(); + }); + }; + const errorHandler = (err: Error) => { + assert.ifError(err); + client.quit(done); + }; + + context.with(setSpan(context.active(), span), () => { + client = new ioredis(URL); + client.on('ready', readyHandler); + client.on('error', errorHandler); + }); + }); + }); + + describe('#send_internal_message()', () => { + // use a random part in key names because redis instance is used for parallel running tests + const randomId = ((Math.random() * 2 ** 32) >>> 0).toString(16); + const testKeyName = `test-${randomId}`; + const hashKeyName = `hash-${randomId}`; + + let client: ioredisTypes.Redis; + + const IOREDIS_CALLBACK_OPERATIONS: Array<{ + description: string; + name: string; + args: Array; + method: (cb: ioredisTypes.CallbackFunction) => unknown; + }> = [ + { + description: 'insert', + name: 'hset', + args: [hashKeyName, 'testField', 'testValue'], + method: (cb: ioredisTypes.CallbackFunction) => + client.hset(hashKeyName, 'testField', 'testValue', cb), + }, + { + description: 'get', + name: 'get', + args: [testKeyName], + method: (cb: ioredisTypes.CallbackFunction) => + client.get(testKeyName, cb), + }, + ]; + + before(done => { + client = new ioredis(URL); + client.on('error', err => { + done(err); + }); + client.on('ready', done); + }); + + beforeEach(async () => { + await client.set(testKeyName, 'data'); + memoryExporter.reset(); + }); + + after(done => { + client.quit(done); + }); + + afterEach(async () => { + await client.del(hashKeyName); + await client.del(testKeyName); + memoryExporter.reset(); + }); + + describe('Instrumenting query operations', () => { + IOREDIS_CALLBACK_OPERATIONS.forEach(command => { + it(`should create a child span for cb style ${command.description}`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: `${ + command.name + } ${command.args.join(' ')}`, + }; + const span = provider + .getTracer('ioredis-test') + .startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + command.method((err, _result) => { + assert.ifError(err); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, command.name); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + }); + + it('should create a child span for hset promise', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: `hset ${hashKeyName} random random`, + }; + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + try { + await client.hset(hashKeyName, 'random', 'random'); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, 'hset'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it('should set span with error when redis return reject', async () => { + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + await client.set('non-int-key', 'non-int-value'); + try { + // should throw 'ReplyError: ERR value is not an integer or out of range' + // because the value im the key is not numeric and we try to increment it + await client.incr('non-int-key'); + } catch (ex) { + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + const ioredisSpan = endedSpans[1]; + // redis 'incr' operation failed with exception, so span should indicate it + assert.strictEqual(ioredisSpan.status.code, StatusCode.ERROR); + const exceptionEvent = ioredisSpan.events[0]; + assert.strictEqual(exceptionEvent.name, 'exception'); + assert.strictEqual( + exceptionEvent.attributes?.[ExceptionAttribute.MESSAGE], + ex.message + ); + assert.strictEqual( + exceptionEvent.attributes?.[ExceptionAttribute.STACKTRACE], + ex.stack + ); + assert.strictEqual( + exceptionEvent.attributes?.[ExceptionAttribute.TYPE], + ex.name + ); + } + }); + }); + + it('should create a child span for streamify scanning', done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: 'scan 0', + }; + const span = provider.getTracer('ioredis-test').startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + const stream = client.scanStream(); + stream + .on('data', resultKeys => { + // `resultKeys` is an array of strings representing key names. + // Note that resultKeys may contain 0 keys, and that it will sometimes + // contain duplicates due to SCAN's implementation in Redis. + for (let i = 0; i < resultKeys.length; i++) { + console.log(resultKeys[i]); + } + }) + .on('end', () => { + console.log('all keys have been visited'); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, 'scan'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }) + .on('error', err => { + done(err); + }); + }); + }); + + it('should create a child span for pubsub', async () => { + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + try { + const pub = new ioredis(URL); + const sub = new ioredis(URL); + await sub.subscribe('news', 'music'); + await pub.publish('news', 'Hello world!'); + await pub.publish('music', 'Hello again!'); + await sub.unsubscribe('news', 'music'); + await sub.quit(); + await pub.quit(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 11); + span.end(); + assert.strictEqual(endedSpans.length, 12); + const spanNames = [ + 'connect', + 'connect', + 'info', + 'info', + 'subscribe', + 'subscribe', + 'publish', + 'publish', + 'unsubscribe', + 'quit', + 'quit', + 'test span', + ]; + let i = 0; + while (i < 12) { + assert.strictEqual(endedSpans[i].name, spanNames[i]); + i++; + } + + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: 'subscribe news music', + }; + testUtils.assertSpan( + endedSpans[5], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it('should create a child span for lua', done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: `evalsha bfbf458525d6a0b19200bfd6db3af481156b367b 1 ${testKeyName}`, + }; + + const span = provider.getTracer('ioredis-test').startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + // This will define a command echo: + client.defineCommand('echo', { + numberOfKeys: 1, + lua: 'return {KEYS[1],ARGV[1]}', + }); + // Now `echo` can be used just like any other ordinary command, + // and ioredis will try to use `EVALSHA` internally when possible for better performance. + client.echo(testKeyName, (err, result) => { + assert.ifError(err); + + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + const evalshaSpan = endedSpans[0]; + // the script may be already cached on server therefore we get either 2 or 3 spans + if (endedSpans.length === 3) { + assert.strictEqual(endedSpans[2].name, 'test span'); + assert.strictEqual(endedSpans[1].name, 'eval'); + assert.strictEqual(endedSpans[0].name, 'evalsha'); + // in this case, server returns NOSCRIPT error for evalsha, + // telling the client to use EVAL instead + sanitizeEventForAssertion(evalshaSpan); + testUtils.assertSpan( + evalshaSpan, + SpanKind.CLIENT, + attributes, + [ + { + attributes: { + [ExceptionAttribute.MESSAGE]: + 'NOSCRIPT No matching script. Please use EVAL.', + [ExceptionAttribute.STACKTRACE]: predictableStackTrace, + [ExceptionAttribute.TYPE]: 'ReplyError', + }, + name: 'exception', + time: [0, 0], + }, + ], + { + code: StatusCode.ERROR, + } + ); + } else { + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[1].name, 'test span'); + assert.strictEqual(endedSpans[0].name, 'evalsha'); + testUtils.assertSpan( + evalshaSpan, + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + } + testUtils.assertPropagation(evalshaSpan, span); + done(); + }); + }); + }); + + it('should create a child span for multi/transaction', done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: 'multi', + }; + + const span = provider.getTracer('ioredis-test').startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + client + .multi() + .set('foo', 'bar') + .get('foo') + .exec((err, _results) => { + assert.ifError(err); + + assert.strictEqual(memoryExporter.getFinishedSpans().length, 4); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 5); + assert.strictEqual(endedSpans[0].name, 'multi'); + assert.strictEqual(endedSpans[1].name, 'set'); + assert.strictEqual(endedSpans[2].name, 'get'); + assert.strictEqual(endedSpans[3].name, 'exec'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + + it('should create a child span for pipeline', done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: 'set foo bar', + }; + + const span = provider.getTracer('ioredis-test').startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + const pipeline = client.pipeline(); + pipeline.set('foo', 'bar'); + pipeline.del('cc'); + pipeline.exec((err, results) => { + assert.ifError(err); + + assert.strictEqual(memoryExporter.getFinishedSpans().length, 2); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 3); + assert.strictEqual(endedSpans[0].name, 'set'); + assert.strictEqual(endedSpans[1].name, 'del'); + assert.strictEqual(endedSpans[2].name, 'test span'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + + it('should create a child span for get promise', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: `get ${testKeyName}`, + }; + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + try { + const value = await client.get(testKeyName); + assert.strictEqual(value, 'data'); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, 'get'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it('should create a child span for del', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: `del ${testKeyName}`, + }; + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + try { + const result = await client.del(testKeyName); + assert.strictEqual(result, 1); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, 'del'); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + }); + + describe('Instrumenting without parent span', () => { + before(() => { + instrumentation.disable(); + instrumentation.enable(); + }); + it('should not create child span', async () => { + await client.set(testKeyName, 'data'); + const result = await client.del(testKeyName); + assert.strictEqual(result, 1); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 0); + }); + }); + + describe('Instrumenting with a custom db.statement serializer', () => { + const dbStatementSerializer: DbStatementSerializer = (cmdName, cmdArgs) => + `FOOBAR_${cmdName}: ${cmdArgs[0]}`; + before(() => { + instrumentation.disable(); + const config: IORedisInstrumentationConfig = { + dbStatementSerializer, + }; + instrumentation = new IORedisInstrumentation(config); + instrumentation.setTracerProvider(provider); + require('ioredis'); + }); + + IOREDIS_CALLBACK_OPERATIONS.forEach(command => { + it(`should tag the span with a custom db.statement for cb style ${command.description}`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [DatabaseAttribute.DB_STATEMENT]: dbStatementSerializer( + command.name, + command.args + ), + }; + const span = provider + .getTracer('ioredis-test') + .startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + command.method((err, _result) => { + assert.ifError(err); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 1); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 2); + assert.strictEqual(endedSpans[0].name, command.name); + testUtils.assertSpan( + endedSpans[0], + SpanKind.CLIENT, + attributes, + [], + unsetStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + }); + }); + + describe('Removing instrumentation', () => { + before(() => { + instrumentation.disable(); + }); + + IOREDIS_CALLBACK_OPERATIONS.forEach(operation => { + it(`should not create a child span for cb style ${operation.description}`, done => { + const span = provider + .getTracer('ioredis-test') + .startSpan('test span'); + context.with(setSpan(context.active(), span), () => { + operation.method((err, _) => { + assert.ifError(err); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 0); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 1); + assert.strictEqual(endedSpans[0], span); + done(); + }); + }); + }); + }); + + it('should not create a child span for hset promise upon error', async () => { + const span = provider.getTracer('ioredis-test').startSpan('test span'); + await context.with(setSpan(context.active(), span), async () => { + try { + await client.hset(hashKeyName, 'random', 'random'); + assert.strictEqual(memoryExporter.getFinishedSpans().length, 0); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 1); + assert.strictEqual(endedSpans[0].name, 'test span'); + } catch (error) { + assert.ifError(error); + } + }); + }); + }); + }); +}); diff --git a/plugins/node/opentelemetry-instrumentation-ioredis/tsconfig.json b/plugins/node/opentelemetry-instrumentation-ioredis/tsconfig.json new file mode 100644 index 0000000000..28be80d266 --- /dev/null +++ b/plugins/node/opentelemetry-instrumentation-ioredis/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../../../tsconfig.base", + "compilerOptions": { + "rootDir": ".", + "outDir": "build" + }, + "include": [ + "src/**/*.ts", + "test/**/*.ts" + ] +}