diff --git a/packages/opentelemetry-metrics/src/index.ts b/packages/opentelemetry-metrics/src/index.ts index 0be805519a..2a0c408d71 100644 --- a/packages/opentelemetry-metrics/src/index.ts +++ b/packages/opentelemetry-metrics/src/index.ts @@ -26,3 +26,4 @@ export * from './export/Batcher'; export * from './export/ConsoleMetricExporter'; export * from './export/types'; export * from './UpDownCounterMetric'; +export { MeterConfig } from './types'; diff --git a/packages/opentelemetry-node/src/index.ts b/packages/opentelemetry-node/src/index.ts index bece472ede..092ae180c9 100644 --- a/packages/opentelemetry-node/src/index.ts +++ b/packages/opentelemetry-node/src/index.ts @@ -14,4 +14,6 @@ * limitations under the License. */ +export { NodeTracerConfig } from './config'; +export { Plugins } from './instrumentation/PluginLoader'; export * from './NodeTracerProvider'; diff --git a/packages/opentelemetry-sdk-node/.eslintignore b/packages/opentelemetry-sdk-node/.eslintignore new file mode 100644 index 0000000000..378eac25d3 --- /dev/null +++ b/packages/opentelemetry-sdk-node/.eslintignore @@ -0,0 +1 @@ +build diff --git a/packages/opentelemetry-sdk-node/.eslintrc.js b/packages/opentelemetry-sdk-node/.eslintrc.js new file mode 100644 index 0000000000..f726f3becb --- /dev/null +++ b/packages/opentelemetry-sdk-node/.eslintrc.js @@ -0,0 +1,7 @@ +module.exports = { + "env": { + "mocha": true, + "node": true + }, + ...require('../../eslint.config.js') +} diff --git a/packages/opentelemetry-sdk-node/LICENSE b/packages/opentelemetry-sdk-node/LICENSE new file mode 100644 index 0000000000..5d6f747bfd --- /dev/null +++ b/packages/opentelemetry-sdk-node/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 2020 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 + + 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-sdk-node/README.md b/packages/opentelemetry-sdk-node/README.md new file mode 100644 index 0000000000..2db342d0d7 --- /dev/null +++ b/packages/opentelemetry-sdk-node/README.md @@ -0,0 +1,146 @@ +# OpenTelemetry SDK for Node.js + +[![Gitter chat][gitter-image]][gitter-url] +[![NPM Published Version][npm-img]][npm-url] +[![dependencies][dependencies-image]][dependencies-url] +[![devDependencies][devDependencies-image]][devDependencies-url] +[![Apache License][license-image]][license-image] + +This package provides the full OpenTelemetry SDK for Node.js including tracing and metrics. + +## Quick Start + +To get started you need to install `@opentelemetry/sdk-node`, a metrics and/or tracing exporter, and any appropriate plugins for the node modules used by your application. + +### Installation + +```sh +$ # Install the SDK +$ npm install @opentelemetry/sdk-node + +$ # Install exporters and plugins +$ npm install \ + @opentelemetry/exporter-jaeger \ # add tracing exporters as needed + @opentelemetry/exporter-prometheus # add metrics exporters as needed + @opentelemetry/plugin-http # add plugins as needed + +$ # or install all officially supported core and contrib plugins +$ npm install @opentelemetry/plugins-node-all +``` + +> Note: this example is for Node.js. See [examples/tracer-web](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/tracer-web) for a browser example. + +### Initialize the SDK + +Before any other module in your application is loaded, you must initialize the SDK. +If you fail to initialize the SDK or initialize it too late, no-op implementations will be provided to any library which acquires a tracer or meter from the API. +This example uses Jaeger and Prometheus, but exporters exist for [other tracing backends][other-tracing-backends]. + +```javascript +const opentelemetry = require("@opentelemetry/sdk-node"); +const { JaegerExporter } = require("@opentelemetry/exporter-jaeger"); +const { PrometheusExporter } = require("@opentelemetry/exporter-prometheus"); + +const jaegerExporter = new JaegerExporter({ + serviceName: 'my-service', +}); +const prometheusExporter = new PrometheusExporter({ startServer: true }); + +const sdk = new opentelemetry.NodeSDK({ + // Optional - if omitted, the tracing SDK will not be initialized + traceExporter: jaegerExporter, + // Optional - If omitted, the metrics SDK will not be initialized + metricExporter: prometheusExporter, + + // See the Configuration section below for additional configuration options +}); + +// You can optionally detect resources asynchronously from the environment. +// Detected resources are merged with the resources provided in the SDK configuration. +sdk + .start() + .then(() => { + // Resources have been detected and SDK is started + }) +``` + +## Configuration + +Below is a full list of configuration options which may be passed into the `NodeSDK` constructor; + +### autoDetectResources + +Detect resources automatically from the environment using the default resource detectors. Default `true`. + +### contextManager + +Use a custom context manager. Default: [AsyncHooksContextManager](../opentelemetry-context-async-hooks/README.md) + +### httpTextPropagator + +Use a custom propagator. Default: [CompositePropagator](../opentelemetry-core/src/context/propagation/composite.ts) using [W3C Trace Context](../opentelemetry-core/README.md#httptracecontext-propagator) and [Correlation Context](../opentelemetry-core/README.md#correlation-context-propagator) + +### logger + +Use a custom logger. Default: Logging disabled + +### logLevel + +Default: [INFO](../opentelemetry-core/src/common/types.ts#L19) + +### metricBatcher + +Use a custom batcher for metrics. Default: [UngroupedBatcher](../opentelemetry-metrics/src/export/Batcher.ts#L50) + +### metricExporter + +Configure a metric exporter. If an exporter is not configured, the metrics SDK will not be initialized and registered. + +### metricInterval + +Configure an interval for metrics export in ms. Default: 60,000 (60 seconds) + +### plugins + +Configure plugins. By default, all plugins which are installed and in the [Default Plugins List](../opentelemetry-node/src/config.ts#L29) will be enabled. + +### resource + +Configure a resource. Resources may also be detected by using the `autoDetectResources` method of the SDK. + +### sampler + +Configure a custom sampler. By default all traces will be sampled. + +### spanProcessor + +### traceExporter + +Configure a trace exporter. If an exporter OR span processor is not configured, the tracing SDK will not be initialized and registered. If an exporter is configured, it will be used with a [BatchSpanProcessor](../opentelemetry-tracing/src/export/BatchSpanProcessor.ts). + +### traceParams + +Configure tracing parameters. These are the same trace parameters used to [configure a tracer](../opentelemetry-tracing/src/types.ts#L71). + +## 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-sdk-node +[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js?path=packages%2Fopentelemetry-sdk-node +[devDependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js/dev-status.svg?path=packages/opentelemetry-sdk-node +[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js?path=packages%2Fopentelemetry-sdk-node&type=dev +[npm-url]: https://www.npmjs.com/package/@opentelemetry/sdk-node +[npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fsdk-node.svg + +[other-tracing-backends]: https://github.com/open-telemetry/opentelemetry-js#trace-exporters diff --git a/packages/opentelemetry-sdk-node/package.json b/packages/opentelemetry-sdk-node/package.json new file mode 100644 index 0000000000..7815a67644 --- /dev/null +++ b/packages/opentelemetry-sdk-node/package.json @@ -0,0 +1,66 @@ +{ + "name": "@opentelemetry/sdk-node", + "version": "0.9.0", + "description": "OpenTelemetry SDK for Node.js", + "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/**/*.test.ts", + "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../", + "build": "npm run compile", + "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 .", + "prepare": "npm run compile", + "watch": "tsc -w" + }, + "keywords": [ + "opentelemetry", + "nodejs", + "tracing", + "profiling", + "metrics", + "stats", + "monitoring" + ], + "author": "OpenTelemetry Authors", + "license": "Apache-2.0", + "engines": { + "node": ">=8.0.0" + }, + "files": [ + "build/src/**/*.js", + "build/src/**/*.js.map", + "build/src/**/*.d.ts", + "LICENSE", + "README.md" + ], + "publishConfig": { + "access": "public" + }, + "dependencies": { + "@opentelemetry/api": "0.9.0", + "@opentelemetry/context-base": "0.9.0", + "@opentelemetry/core": "0.9.0", + "@opentelemetry/metrics": "0.9.0", + "@opentelemetry/node": "0.9.0", + "@opentelemetry/resources": "0.9.0", + "@opentelemetry/tracing": "0.9.0" + }, + "devDependencies": { + "@opentelemetry/context-async-hooks": "0.9.0", + "@types/mocha": "7.0.2", + "@types/node": "14.0.13", + "codecov": "3.7.0", + "gts": "2.0.2", + "istanbul-instrumenter-loader": "3.0.1", + "mocha": "7.2.0", + "nyc": "15.1.0", + "ts-loader": "7.0.5", + "ts-mocha": "7.0.0", + "typescript": "3.9.5" + } +} diff --git a/packages/opentelemetry-sdk-node/src/index.ts b/packages/opentelemetry-sdk-node/src/index.ts new file mode 100644 index 0000000000..b511af8046 --- /dev/null +++ b/packages/opentelemetry-sdk-node/src/index.ts @@ -0,0 +1,25 @@ +/* + * 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 * as api from '@opentelemetry/api'; +export * as contextBase from '@opentelemetry/context-base'; +export * as core from '@opentelemetry/core'; +export * as metrics from '@opentelemetry/metrics'; +export * as node from '@opentelemetry/node'; +export * as resources from '@opentelemetry/resources'; +export * as tracing from '@opentelemetry/tracing'; +export * from './sdk'; +export * from './types'; diff --git a/packages/opentelemetry-sdk-node/src/sdk.ts b/packages/opentelemetry-sdk-node/src/sdk.ts new file mode 100644 index 0000000000..3b27e1331e --- /dev/null +++ b/packages/opentelemetry-sdk-node/src/sdk.ts @@ -0,0 +1,161 @@ +/* + * 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 { HttpTextPropagator, metrics } from '@opentelemetry/api'; +import { ContextManager } from '@opentelemetry/context-base'; +import { MeterConfig, MeterProvider } from '@opentelemetry/metrics'; +import { NodeTracerConfig, NodeTracerProvider } from '@opentelemetry/node'; +import { detectResources, Resource } from '@opentelemetry/resources'; +import { BatchSpanProcessor, SpanProcessor } from '@opentelemetry/tracing'; +import { NodeSDKConfiguration } from './types'; + +/** This class represents everything needed to register a fully configured OpenTelemetry Node.js SDK */ +export class NodeSDK { + private _tracerProviderConfig?: { + tracerConfig: NodeTracerConfig; + spanProcessor: SpanProcessor; + contextManager?: ContextManager; + httpTextPropagator?: HttpTextPropagator; + }; + private _meterProviderConfig?: MeterConfig; + + private _resource: Resource; + + private _autoDetectResources: boolean; + + /** + * Create a new NodeJS SDK instance + */ + public constructor(configuration: Partial = {}) { + this._resource = configuration.resource ?? new Resource({}); + + this._autoDetectResources = configuration.autoDetectResources ?? true; + + if (configuration.spanProcessor || configuration.traceExporter) { + const tracerProviderConfig: NodeTracerConfig = {}; + + if (typeof configuration.logLevel === 'number') { + tracerProviderConfig.logLevel = configuration.logLevel; + } + if (configuration.logger) { + tracerProviderConfig.logger = configuration.logger; + } + if (configuration.plugins) { + tracerProviderConfig.plugins = configuration.plugins; + } + if (configuration.sampler) { + tracerProviderConfig.sampler = configuration.sampler; + } + if (configuration.traceParams) { + tracerProviderConfig.traceParams = configuration.traceParams; + } + + const spanProcessor = + configuration.spanProcessor ?? + new BatchSpanProcessor(configuration.traceExporter!); + + this.configureTracerProvider( + tracerProviderConfig, + spanProcessor, + configuration.contextManager, + configuration.httpTextPropagator + ); + } + + if (configuration.metricExporter) { + const meterConfig: MeterConfig = {}; + + if (configuration.metricBatcher) { + meterConfig.batcher = configuration.metricBatcher; + } + if (configuration.metricExporter) { + meterConfig.exporter = configuration.metricExporter; + } + if (typeof configuration.metricInterval === 'number') { + meterConfig.interval = configuration.metricInterval; + } + if (typeof configuration.logLevel === 'number') { + meterConfig.logLevel = configuration.logLevel; + } + if (configuration.logger) { + meterConfig.logger = configuration.logger; + } + + this.configureMeterProvider(meterConfig); + } + } + + /** Set configurations required to register a NodeTracerProvider */ + public configureTracerProvider( + tracerConfig: NodeTracerConfig, + spanProcessor: SpanProcessor, + contextManager?: ContextManager, + httpTextPropagator?: HttpTextPropagator + ) { + this._tracerProviderConfig = { + tracerConfig, + spanProcessor, + contextManager, + httpTextPropagator, + }; + } + + /** Set configurations needed to register a MeterProvider */ + public configureMeterProvider(config: MeterConfig) { + this._meterProviderConfig = config; + } + + /** Detect resource attributes */ + public async detectResources() { + this.addResource(await detectResources()); + } + + /** Manually add a resource */ + public addResource(resource: Resource) { + this._resource = this._resource.merge(resource); + } + + /** + * Once the SDK has been configured, call this method to construct SDK components and register them with the OpenTelemetry API. + */ + public async start() { + if (this._autoDetectResources) { + await this.detectResources(); + } + + if (this._tracerProviderConfig) { + const tracerProvider = new NodeTracerProvider({ + ...this._tracerProviderConfig.tracerConfig, + resource: this._resource, + }); + + tracerProvider.addSpanProcessor(this._tracerProviderConfig.spanProcessor); + tracerProvider.register({ + contextManager: this._tracerProviderConfig.contextManager, + propagator: this._tracerProviderConfig.httpTextPropagator, + }); + } + + if (this._meterProviderConfig) { + const meterProvider = new MeterProvider({ + ...this._meterProviderConfig, + resource: this._resource, + }); + + metrics.setGlobalMeterProvider(meterProvider); + } + } +} diff --git a/packages/opentelemetry-sdk-node/src/types.ts b/packages/opentelemetry-sdk-node/src/types.ts new file mode 100644 index 0000000000..a093cbcfa4 --- /dev/null +++ b/packages/opentelemetry-sdk-node/src/types.ts @@ -0,0 +1,36 @@ +/* + * 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 { ContextManager } from '@opentelemetry/context-base'; +import type { api, core, metrics, node, resources, tracing } from '.'; + +export interface NodeSDKConfiguration { + autoDetectResources: boolean; + contextManager: ContextManager; + defaultAttributes: api.Attributes; + httpTextPropagator: api.HttpTextPropagator; + logger: api.Logger; + logLevel: core.LogLevel; + metricBatcher: metrics.Batcher; + metricExporter: metrics.MetricExporter; + metricInterval: number; + plugins: node.Plugins; + resource: resources.Resource; + sampler: api.Sampler; + spanProcessor: tracing.SpanProcessor; + traceExporter: tracing.SpanExporter; + traceParams: tracing.TraceParams; +} diff --git a/packages/opentelemetry-sdk-node/src/version.ts b/packages/opentelemetry-sdk-node/src/version.ts new file mode 100644 index 0000000000..2c92beb616 --- /dev/null +++ b/packages/opentelemetry-sdk-node/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 = '0.9.0'; diff --git a/packages/opentelemetry-sdk-node/test/sdk.test.ts b/packages/opentelemetry-sdk-node/test/sdk.test.ts new file mode 100644 index 0000000000..b9d464025d --- /dev/null +++ b/packages/opentelemetry-sdk-node/test/sdk.test.ts @@ -0,0 +1,124 @@ +/* + * 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 { + context, + metrics, + NoopHttpTextPropagator, + NoopMeterProvider, + NoopTracerProvider, + propagation, + trace, +} from '@opentelemetry/api'; +import { AsyncHooksContextManager } from '@opentelemetry/context-async-hooks'; +import { NoopContextManager } from '@opentelemetry/context-base'; +import { CompositePropagator } from '@opentelemetry/core'; +import { ConsoleMetricExporter, MeterProvider } from '@opentelemetry/metrics'; +import { NodeTracerProvider } from '@opentelemetry/node'; +import { + ConsoleSpanExporter, + SimpleSpanProcessor, +} from '@opentelemetry/tracing'; +import * as assert from 'assert'; +import { NodeSDK } from '../src'; + +describe('Node SDK', () => { + beforeEach(() => { + context.disable(); + trace.disable(); + propagation.disable(); + metrics.disable(); + }); + + describe('Basic Registration', () => { + it('should not register any unconfigured SDK components', async () => { + const sdk = new NodeSDK({ + autoDetectResources: false, + }); + + await sdk.start(); + + assert.ok(context['_getContextManager']() instanceof NoopContextManager); + assert.ok( + propagation['_getGlobalPropagator']() instanceof NoopHttpTextPropagator + ); + + assert.ok(trace.getTracerProvider() instanceof NoopTracerProvider); + assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider); + }); + + it('should register a tracer provider if an exporter is provided', async () => { + const sdk = new NodeSDK({ + traceExporter: new ConsoleSpanExporter(), + autoDetectResources: false, + }); + + await sdk.start(); + + assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider); + + assert.ok( + context['_getContextManager']() instanceof AsyncHooksContextManager + ); + assert.ok( + propagation['_getGlobalPropagator']() instanceof CompositePropagator + ); + assert.ok(trace.getTracerProvider() instanceof NodeTracerProvider); + }); + + it('should register a tracer provider if a span processor is provided', async () => { + const exporter = new ConsoleSpanExporter(); + const spanProcessor = new SimpleSpanProcessor(exporter); + + const sdk = new NodeSDK({ + spanProcessor, + autoDetectResources: false, + }); + + await sdk.start(); + + assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider); + + assert.ok( + context['_getContextManager']() instanceof AsyncHooksContextManager + ); + assert.ok( + propagation['_getGlobalPropagator']() instanceof CompositePropagator + ); + assert.ok(trace.getTracerProvider() instanceof NodeTracerProvider); + }); + + it('should register a meter provider if an exporter is provided', async () => { + const exporter = new ConsoleMetricExporter(); + + const sdk = new NodeSDK({ + metricExporter: exporter, + autoDetectResources: false, + }); + + await sdk.start(); + + assert.ok(context['_getContextManager']() instanceof NoopContextManager); + assert.ok( + propagation['_getGlobalPropagator']() instanceof NoopHttpTextPropagator + ); + + assert.ok(trace.getTracerProvider() instanceof NoopTracerProvider); + + assert.ok(metrics.getMeterProvider() instanceof MeterProvider); + }); + }); +}); diff --git a/packages/opentelemetry-sdk-node/tsconfig.json b/packages/opentelemetry-sdk-node/tsconfig.json new file mode 100644 index 0000000000..a2042cd68b --- /dev/null +++ b/packages/opentelemetry-sdk-node/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../tsconfig.base", + "compilerOptions": { + "rootDir": ".", + "outDir": "build" + }, + "include": [ + "src/**/*.ts", + "test/**/*.ts" + ] +}