| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| import { NodeSDK } from "@opentelemetry/sdk-node"; |
| import type { NodeSDKConfiguration } from "@opentelemetry/sdk-node"; |
| |
| export type ObservableOptions = { |
| /** |
| * Enable the monitor, default is false. |
| */ |
| enable?: boolean, |
| |
| /** |
| * Configuration for the monitor. Can see all the configuration options in the |
| * [OpenTelemetry docs](https://opentelemetry.io/docs/languages/js/automatic/configuration/). |
| */ |
| configuration?: Partial<NodeSDKConfiguration> |
| }; |
| |
| /** |
| * Observability service management for managing the complete lifecycle of OT services |
| */ |
| export class Observable { |
| private sdk?: NodeSDK; |
| |
| constructor(options?: ObservableOptions) { |
| const config = validateOpenTelemetryOption(options); |
| this.sdk = new NodeSDK(config); |
| } |
| start(){ |
| this.sdk?.start(); |
| } |
| shutdown() { |
| return this.sdk?.shutdown(); |
| } |
| } |
| |
| /** |
| * Creates a new instance of the Observable. |
| */ |
| export function createObservable(options?: ObservableOptions): Observable { |
| return new Observable(options) |
| } |
| |
| /** |
| * Asserts that the options are within sane limits, and returns default values |
| * where no value is provided. |
| * |
| * @param options |
| */ |
| export function validateOpenTelemetryOption(options?: ObservableOptions): Partial<NodeSDKConfiguration> { |
| |
| return { |
| serviceName: options?.configuration?.serviceName ?? "Dubbo", |
| ...options?.configuration, |
| }; |
| } |