import * as core from '@actions/core' const defaultMaxAttempts = 3 const defaultMinSeconds = 10 const defaultMaxSeconds = 20 export class RetryHelper { private maxAttempts: number private minSeconds: number private maxSeconds: number constructor( maxAttempts: number = defaultMaxAttempts, minSeconds: number = defaultMinSeconds, maxSeconds: number = defaultMaxSeconds ) { this.maxAttempts = maxAttempts this.minSeconds = Math.floor(minSeconds) this.maxSeconds = Math.floor(maxSeconds) if (this.minSeconds > this.maxSeconds) { throw new Error('min seconds should be less than or equal to max seconds') } } async execute(action: () => Promise): Promise { let attempt = 1 while (attempt < this.maxAttempts) { // Try try { return await action() } catch (err) { core.info(err.message) } // Sleep const seconds = this.getSleepAmount() core.info(`Waiting ${seconds} seconds before trying again`) await this.sleep(seconds) attempt++ } // Last attempt return await action() } private getSleepAmount(): number { return ( Math.floor(Math.random() * (this.maxSeconds - this.minSeconds + 1)) + this.minSeconds ) } private async sleep(seconds: number): Promise { return new Promise(resolve => setTimeout(resolve, seconds * 1000)) } } export async function execute(action: () => Promise): Promise { const retryHelper = new RetryHelper() return await retryHelper.execute(action) }