diff --git a/packages/opentelemetry-plugin-ioredis/.npmignore b/packages/opentelemetry-plugin-ioredis/.npmignore new file mode 100644 index 0000000000..9505ba9450 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/.npmignore @@ -0,0 +1,4 @@ +/bin +/coverage +/doc +/test diff --git a/packages/opentelemetry-plugin-ioredis/LICENSE b/packages/opentelemetry-plugin-ioredis/LICENSE new file mode 100644 index 0000000000..261eeb9e9f --- /dev/null +++ b/packages/opentelemetry-plugin-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/packages/opentelemetry-plugin-ioredis/README.md b/packages/opentelemetry-plugin-ioredis/README.md new file mode 100644 index 0000000000..78095ac4e2 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/README.md @@ -0,0 +1,61 @@ +# 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/master/packages/opentelemetry-node) package. + +## Installation + +``` +npm install --save @opentelemetry/plugin-ioredis +``` + +### Supported Versions + - `>=2.0.0` + +## Usage + +To load a specific plugin (**ioredis** in this case), specify it in the Node Tracer's configuration +```js +const { NodeTracer } = require('@opentelemetry/node'); + +const tracer = new NodeTracer({ + plugins: { + ioredis: { + enabled: true, + // You may use a package name or absolute path to the file. + path: '@opentelemetry/plugin-ioredis', + } + } +}); +``` + +To load all the [supported plugins](https://github.com/open-telemetry/opentelemetry-js#plugins), use below approach. Each plugin is only loaded when the module that it patches is loaded; in other words, there is no computational overhead for listing plugins for unused modules. +```javascript +const { NodeTracer } = require('@opentelemetry/node'); + +const tracer = new NodeTracer(); +``` + +## 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.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/blob/master/LICENSE +[license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat +[dependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js/status.svg?path=packages/opentelemetry-plugin-ioredis +[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js?path=packages%2Fopentelemetry-plugin-ioredis +[devDependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js/dev-status.svg?path=packages/opentelemetry-plugin-ioredis +[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js?path=packages%2Fopentelemetry-plugin-ioredis&type=dev diff --git a/packages/opentelemetry-plugin-ioredis/package.json b/packages/opentelemetry-plugin-ioredis/package.json new file mode 100644 index 0000000000..f95400abf5 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/package.json @@ -0,0 +1,71 @@ +{ + "name": "@opentelemetry/plugin-ioredis", + "version": "0.3.1", + "description": "OpenTelemetry ioredis automatic instrumentation package.", + "main": "build/src/index.js", + "types": "build/src/index.d.ts", + "repository": "open-telemetry/opentelemetry-js", + "scripts": { + "test": "nyc ts-mocha -p tsconfig.json '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 yarn test", + "tdd": "yarn test -- --watch-extensions ts --watch", + "clean": "rimraf build/*", + "check": "gts check", + "precompile": "tsc --version", + "compile": "tsc -p .", + "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../", + "fix": "gts fix", + "prepare": "npm run compile" + }, + "keywords": [ + "opentelemetry", + "ioredis", + "redis", + "nodejs", + "tracing", + "profiling", + "plugin" + ], + "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/node": "^0.3.1", + "@opentelemetry/test-utils": "^0.3.1", + "@opentelemetry/tracing": "^0.3.1", + "@types/ioredis": "^4.14.3", + "@types/mocha": "^5.2.7", + "@types/node": "^13.1.0", + "@types/shimmer": "^1.0.1", + "codecov": "^3.6.1", + "cross-env": "^6.0.3", + "gts": "^1.1.2", + "ioredis": "^4.14.1", + "mocha": "^6.2.2", + "nyc": "^15.0.0", + "rimraf": "^3.0.0", + "ts-mocha": "^6.0.0", + "ts-node": "^8.5.4", + "tslint-consistent-codestyle": "^1.16.0", + "tslint-microsoft-contrib": "^6.2.0", + "typescript": "3.7.4" + }, + "dependencies": { + "@opentelemetry/core": "^0.3.1", + "@opentelemetry/types": "^0.3.1", + "shimmer": "^1.2.1" + } +} diff --git a/packages/opentelemetry-plugin-ioredis/src/enums.ts b/packages/opentelemetry-plugin-ioredis/src/enums.ts new file mode 100644 index 0000000000..035287a14b --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/src/enums.ts @@ -0,0 +1,32 @@ +/*! + * Copyright 2019, 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 enum AttributeNames { + // required by https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/data-semantic-conventions.md#databases-client-calls + COMPONENT = 'component', + DB_TYPE = 'db.type', + DB_INSTANCE = 'db.instance', + DB_STATEMENT = 'db.statement', + PEER_ADDRESS = 'peer.address', + PEER_HOSTNAME = 'peer.host', + + // optional + DB_USER = 'db.user', + PEER_PORT = 'peer.port', + PEER_IPV4 = 'peer.ipv4', + PEER_IPV6 = 'peer.ipv6', + PEER_SERVICE = 'peer.service', +} diff --git a/packages/opentelemetry-plugin-ioredis/src/index.ts b/packages/opentelemetry-plugin-ioredis/src/index.ts new file mode 100644 index 0000000000..795d06430b --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/src/index.ts @@ -0,0 +1,17 @@ +/*! + * Copyright 2019, 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'; diff --git a/packages/opentelemetry-plugin-ioredis/src/ioredis.ts b/packages/opentelemetry-plugin-ioredis/src/ioredis.ts new file mode 100644 index 0000000000..4fedf82c53 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/src/ioredis.ts @@ -0,0 +1,74 @@ +/*! + * Copyright 2019, 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 { BasePlugin } from '@opentelemetry/core'; +import * as ioredisTypes from 'ioredis'; +import * as shimmer from 'shimmer'; +import { traceConnection, traceSendCommand } from './utils'; + +export class IORedisPlugin extends BasePlugin { + static readonly COMPONENT = 'ioredis'; + static readonly DB_TYPE = 'redis'; + readonly supportedVersions = ['^2.0.0']; + + constructor(readonly moduleName: string) { + super(); + } + + protected patch(): typeof ioredisTypes { + this._logger.debug('Patching ioredis.prototype.sendCommand'); + shimmer.wrap( + this._moduleExports.prototype, + 'sendCommand', + this._patchSendCommand() + ); + + this._logger.debug('patching ioredis.prototype.connect'); + shimmer.wrap( + this._moduleExports.prototype, + 'connect', + this._patchConnection() + ); + + return this._moduleExports.prototype; + } + + protected unpatch(): void { + if (this._moduleExports) { + shimmer.unwrap(this._moduleExports.prototype, 'sendCommand'); + shimmer.unwrap(this._moduleExports.prototype, 'connect'); + } + } + + /** + * Patch send command internal to trace requests + */ + private _patchSendCommand() { + const tracer = this._tracer; + return (original: Function) => { + return traceSendCommand(tracer, original); + }; + } + + private _patchConnection() { + const tracer = this._tracer; + return (original: Function) => { + return traceConnection(tracer, original); + }; + } +} + +export const plugin = new IORedisPlugin(IORedisPlugin.COMPONENT); diff --git a/packages/opentelemetry-plugin-ioredis/src/types.ts b/packages/opentelemetry-plugin-ioredis/src/types.ts new file mode 100644 index 0000000000..5c8a618fa0 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/src/types.ts @@ -0,0 +1,31 @@ +/*! + * Copyright 2019, 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 * as ioredisTypes from 'ioredis'; + +export interface IORedisCommand { + reject: (err: Error) => void; + resolve: (result: {}) => void; + promise: Promise<{}>; + args: Array; + callback: ioredisTypes.CallbackFunction; + name: string; +} + +export interface IORedisPluginClientTypes { + // https://github.com/luin/ioredis/blob/master/API.md + options: ioredisTypes.RedisOptions; +} diff --git a/packages/opentelemetry-plugin-ioredis/src/utils.ts b/packages/opentelemetry-plugin-ioredis/src/utils.ts new file mode 100644 index 0000000000..8dbae4478b --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/src/utils.ts @@ -0,0 +1,104 @@ +/*! + * Copyright 2019, 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 * as ioredisTypes from 'ioredis'; +import { Tracer, SpanKind, Span, CanonicalCode } from '@opentelemetry/types'; +import { IORedisPluginClientTypes, IORedisCommand } from './types'; +import { IORedisPlugin } from './ioredis'; +import { AttributeNames } from './enums'; + +const endSpan = (span: Span, err: NodeJS.ErrnoException | null | undefined) => { + if (err) { + span.setStatus({ + code: CanonicalCode.UNKNOWN, + message: err.message, + }); + } else { + span.setStatus({ code: CanonicalCode.OK }); + } + span.end(); +}; + +export const traceConnection = (tracer: Tracer, original: Function) => { + return function(this: ioredisTypes.Redis & IORedisPluginClientTypes) { + const parentSpan = tracer.getCurrentSpan(); + const span = tracer.startSpan('connect', { + kind: SpanKind.CLIENT, + parent: parentSpan, + attributes: { + [AttributeNames.COMPONENT]: IORedisPlugin.COMPONENT, + [AttributeNames.DB_TYPE]: IORedisPlugin.DB_TYPE, + [AttributeNames.DB_STATEMENT]: 'connect', + }, + }); + const { host, port } = this.options; + + span.setAttributes({ + [AttributeNames.PEER_HOSTNAME]: host, + [AttributeNames.PEER_PORT]: port, + [AttributeNames.PEER_ADDRESS]: `redis://${host}:${port}`, + }); + try { + const client = original.apply(this, arguments); + endSpan(span, null); + return client; + } catch (error) { + endSpan(span, error); + throw error; + } + }; +}; + +export const traceSendCommand = (tracer: Tracer, original: Function) => { + return function( + this: ioredisTypes.Redis & IORedisPluginClientTypes, + cmd?: IORedisCommand + ) { + const parentSpan = tracer.getCurrentSpan(); + + if (arguments.length >= 1 && typeof cmd === 'object') { + const span = tracer.startSpan(cmd.name, { + kind: SpanKind.CLIENT, + parent: parentSpan, + attributes: { + [AttributeNames.COMPONENT]: IORedisPlugin.COMPONENT, + [AttributeNames.DB_TYPE]: IORedisPlugin.DB_TYPE, + [AttributeNames.DB_STATEMENT]: + Array.isArray(cmd.args) && cmd.args.length + ? `${cmd.name} ${cmd.args.join(' ')}` + : cmd.name, + }, + }); + + const { host, port } = this.options; + + span.setAttributes({ + [AttributeNames.PEER_HOSTNAME]: host, + [AttributeNames.PEER_PORT]: port, + [AttributeNames.PEER_ADDRESS]: `redis://${host}:${port}`, + }); + + try { + const result = original.apply(this, arguments); + endSpan(span, null); + return result; + } catch (error) { + endSpan(span, error); + throw error; + } + } else return original.apply(this, arguments); + }; +}; diff --git a/packages/opentelemetry-plugin-ioredis/test/ioredis.test.ts b/packages/opentelemetry-plugin-ioredis/test/ioredis.test.ts new file mode 100644 index 0000000000..ba68af4dd4 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/test/ioredis.test.ts @@ -0,0 +1,537 @@ +/*! + * Copyright 2019, OpenTelemetry Authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import * as assert from 'assert'; +import { + InMemorySpanExporter, + SimpleSpanProcessor, +} from '@opentelemetry/tracing'; +import { NodeTracer } from '@opentelemetry/node'; +import { plugin, IORedisPlugin } from '../src'; +import * as ioredisTypes from 'ioredis'; +import { NoopLogger } from '@opentelemetry/core'; +import * as testUtils from '@opentelemetry/test-utils'; +import { SpanKind, Status, CanonicalCode } from '@opentelemetry/types'; +import { AttributeNames } from '../src/enums'; + +const memoryExporter = new InMemorySpanExporter(); + +const CONFIG = { + host: process.env.OPENTELEMETRY_REDIS_HOST || 'localhost', + port: parseInt(process.env.OPENTELEMETRY_REDIS_PORT || '63790', 10), +}; + +const URL = `redis://${CONFIG.host}:${CONFIG.port}`; + +const DEFAULT_ATTRIBUTES = { + [AttributeNames.COMPONENT]: IORedisPlugin.COMPONENT, + [AttributeNames.DB_TYPE]: IORedisPlugin.DB_TYPE, + [AttributeNames.PEER_HOSTNAME]: CONFIG.host, + [AttributeNames.PEER_PORT]: CONFIG.port, + [AttributeNames.PEER_ADDRESS]: URL, +}; + +const okStatus: Status = { + code: CanonicalCode.OK, +}; + +describe('ioredis', () => { + const tracer = new NodeTracer(); + let ioredis: typeof ioredisTypes; + const shouldTestLocal = process.env.RUN_REDIS_TESTS_LOCAL; + const shouldTest = process.env.RUN_REDIS_TESTS || shouldTestLocal; + + before(function() { + // needs to be "function" to have MochaContext "this" scope + 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'); + } + + ioredis = require('ioredis'); + tracer.addSpanProcessor(new SimpleSpanProcessor(memoryExporter)); + plugin.enable(ioredis, tracer, new NoopLogger()); + }); + + after(() => { + if (shouldTestLocal) { + testUtils.cleanUpDocker('redis'); + } + }); + + it('should have correct module name', () => { + assert.strictEqual(plugin.moduleName, IORedisPlugin.COMPONENT); + }); + + describe('#createClient()', () => { + it('should propagate the current span to event handlers', done => { + const span = tracer.startSpan('test span'); + let client: ioredisTypes.Redis; + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'connect', + }; + const readyHandler = () => { + const endedSpans = memoryExporter.getFinishedSpans(); + + assert.strictEqual(tracer.getCurrentSpan(), 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, + [], + okStatus + ); + span.end(); + assert.strictEqual(endedSpans.length, 3); + assert.strictEqual(endedSpans[2].name, `test span`); + + client.quit(done); + assert.strictEqual(endedSpans.length, 4); + assert.strictEqual(endedSpans[3].name, `quit`); + }; + const errorHandler = (err: Error) => { + assert.ifError(err); + client.quit(done); + }; + + tracer.withSpan(span, () => { + client = new ioredis(URL); + client.on('ready', readyHandler); + client.on('error', errorHandler); + }); + }); + }); + + describe('#send_internal_message()', () => { + 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: ['hash', 'testField', 'testValue'], + method: (cb: ioredisTypes.CallbackFunction) => + client.hset('hash', 'testField', 'testValue', cb), + }, + { + description: 'get', + name: 'get', + args: ['test'], + method: (cb: ioredisTypes.CallbackFunction) => + client.get('test', cb), + }, + ]; + + before(done => { + client = new ioredis(URL); + client.on('error', err => { + done(err); + }); + client.on('ready', done); + }); + + beforeEach(async () => { + await client.set('test', 'data'); + memoryExporter.reset(); + }); + + after(done => { + client.quit(done); + }); + + afterEach(async () => { + client.del('hash'); + memoryExporter.reset(); + }); + + describe('Instrumenting query operations', () => { + IOREDIS_CALLBACK_OPERATIONS.forEach(command => { + it(`should create a child span for cb style ${command.description}`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: `${command.name} ${command.args.join( + ' ' + )}`, + }; + const span = tracer.startSpan('test span'); + tracer.withSpan(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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + }); + + it('should create a child span for hset promise', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'hset hash random random', + }; + const span = tracer.startSpan('test span'); + await tracer.withSpan(span, async () => { + try { + await client.hset('hash', '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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it('should create a child span for streamify scanning', done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'scan 0', + }; + const span = tracer.startSpan('test span'); + tracer.withSpan(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 (var 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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }) + .on('error', err => { + done(err); + }); + }); + }); + + it('should create a child span for pubsub', async () => { + const span = tracer.startSpan('test span'); + await tracer.withSpan(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', + 'subscribe', + 'info', + 'info', + '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, + [AttributeNames.DB_STATEMENT]: 'subscribe news music', + }; + testUtils.assertSpan( + endedSpans[5], + SpanKind.CLIENT, + attributes, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it(`should create a child span for lua`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'eval return {KEYS[1],ARGV[1]} 1 test', + }; + + const span = tracer.startSpan('test span'); + tracer.withSpan(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('test', (err, result) => { + assert.ifError(err); + + assert.strictEqual(memoryExporter.getFinishedSpans().length, 2); + span.end(); + const endedSpans = memoryExporter.getFinishedSpans(); + assert.strictEqual(endedSpans.length, 3); + assert.strictEqual(endedSpans[2].name, 'test span'); + assert.strictEqual(endedSpans[1].name, 'eval'); + assert.strictEqual(endedSpans[0].name, 'evalsha'); + testUtils.assertSpan( + endedSpans[1], + SpanKind.CLIENT, + attributes, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + + it(`should create a child span for multi/transaction`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'multi', + }; + + const span = tracer.startSpan('test span'); + tracer.withSpan(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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + + it(`should create a child span for pipeline`, done => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'set foo bar', + }; + + const span = tracer.startSpan('test span'); + tracer.withSpan(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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + done(); + }); + }); + }); + + it('should create a child span for get promise', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'get test', + }; + const span = tracer.startSpan('test span'); + await tracer.withSpan(span, async () => { + try { + const value = await client.get('test'); + 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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + + it('should create a child span for del', async () => { + const attributes = { + ...DEFAULT_ATTRIBUTES, + [AttributeNames.DB_STATEMENT]: 'del test', + }; + const span = tracer.startSpan('test span'); + await tracer.withSpan(span, async () => { + try { + const result = await client.del('test'); + 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, + [], + okStatus + ); + testUtils.assertPropagation(endedSpans[0], span); + } catch (error) { + assert.ifError(error); + } + }); + }); + }); + + describe('Removing instrumentation', () => { + before(() => { + plugin.disable(); + }); + + IOREDIS_CALLBACK_OPERATIONS.forEach(operation => { + it(`should not create a child span for cb style ${operation.description}`, done => { + const span = tracer.startSpan('test span'); + tracer.withSpan(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 = tracer.startSpan('test span'); + await tracer.withSpan(span, async () => { + try { + await client.hset('hash', '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/packages/opentelemetry-plugin-ioredis/tsconfig.json b/packages/opentelemetry-plugin-ioredis/tsconfig.json new file mode 100644 index 0000000000..a2042cd68b --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../tsconfig.base", + "compilerOptions": { + "rootDir": ".", + "outDir": "build" + }, + "include": [ + "src/**/*.ts", + "test/**/*.ts" + ] +} diff --git a/packages/opentelemetry-plugin-ioredis/tslint.json b/packages/opentelemetry-plugin-ioredis/tslint.json new file mode 100644 index 0000000000..0710b135d0 --- /dev/null +++ b/packages/opentelemetry-plugin-ioredis/tslint.json @@ -0,0 +1,4 @@ +{ + "rulesDirectory": ["node_modules/tslint-microsoft-contrib"], + "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"] +}