如何在Google Cloud Functions上使用Apify

问题描述

我正在使用Apify作为Google Cloud Functions部署一些代码.触发后，云功能将以静默方式终止.我在做什么错了?

I'm deploying some code using Apify as Google Cloud Functions. When triggered, the Cloud Function terminates silently. What am I doing wrong?

我有一些使用Apify 0.15.1的工作代码.它在本地运行良好.部署为Google Cloud Function后，它会静默失败，没有任何明显的错误.使用Puppeteer 1.18.1的等效代码可以正常工作.

I have some working code using Apify 0.15.1. It runs fine locally. Once deployed as a Google Cloud Function, it fails silently without any clear error. The equivalent code using Puppeteer 1.18.1 works fine.

我已在下面使用更简单的代码重现了该问题.尽管此示例并非严格要求Apify，但我希望能够使用Apify提供的额外功能.

I've reproduced the issue using more simple code below. While this example doesn't strictly require Apify, I would like to be able to use the extra functionality provided by Apify.

使用Apify的代码:

Code using Apify:

const Apify = require("apify");

exports.screenshotApify = async (req, res) => {
  let imageBuffer;
  Apify.main(async () => {
    const browser = await Apify.launchPuppeteer({ headless: true });
    const page = await browser.newPage();

    await page.goto("https://xenaccounting.com");

    imageBuffer = await page.screenshot({ fullPage: true });

    await browser.close();
  });

  if (res) {
    res.set("Content-Type", "image/png");
    res.send(imageBuffer);
  }

  return imageBuffer;
};

使用操纵up的代码:

const puppeteer = require("puppeteer");

exports.screenshotPup = async (req, res) => {
  const browser = await puppeteer.launch({ args: ["--no-sandbox"] });
  const page = await browser.newPage();

  await page.goto("https://xenaccounting.com");

  const imageBuffer = await page.screenshot({ fullpage: true });

  await browser.close();

  if (res) {
    res.set("Content-Type", "image/png");
    res.send(imageBuffer);
  }

  return imageBuffer;
};

一旦部署为Google Cloud Function(带有--trigger-http和--memory = 2048)，Puppeteer变体就可以正常工作，而Apify变体会无提示地无提示终止(除了'ok'/HTTP 200返回)值).

Once deployed as a Google Cloud Function (with --trigger-http and --memory=2048), the Puppeteer variant works fine, while the Apify variant terminates silently without result (apart from an 'ok' / HTTP 200 return value).

推荐答案

摆脱 Apify.main()函数，它会将调用安排在以后的时间，直到您的函数已经返回了结果.

Get rid of the Apify.main() function, it schedules the call to a later time, after your function already returned the result.

这篇关于如何在Google Cloud Functions上使用Apify的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！