Firebase schedule function subpub axios POST request - node.js

Question

I'm using firebase functions to schedule a puppeteer task from a firebase pubsub namespace.
I also want to post the response back to an API endpoint outside google using axios.
I tried Axios directly from the worker but I get a 500 error.
My goal:
Use firebase schedule and pubsub namespace to generate puppeteer
jobs - complete
Post results back to external endpoint using axios - need your help :)
Code:
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const functions = require("firebase-functions");
const admin = require("firebase-admin");
const puppeteer = require('puppeteer');
const url = require('url');
// Request Data From A URL
var axios = require('axios');
var https = require('https');
// var cors = require("cors");
// Initalise App
admin.initializeApp();
const db = admin.firestore();
const workers = {
extract: async ({ uri, post_id, store_id, domain }) => {
let theTitle = null;
let thePrice = null;
let host = url.parse(uri).host;
let postId = post_id;
let storeId = store_id;
let theDomain = domain;
const SELECTORS = {
amazonPrice: '#priceblock_ourprice',
ebayPrice: '#prcIsum',
const browser = await puppeteer.launch({ args: ['--no-sandbox', '--disable-setuid-sandbox'] });
console.log('spawning chrome headless');
console.log(postId);
console.log(storeId);
console.log(domain);
const page = await browser.newPage();
// Goto page and then do stuff
console.log('going to ', uri);
await page.goto(uri, {
waitUntil: ["domcontentloaded", "networkidle0"]
});
console.log('waiting for page to load ');
console.log(host);
// theTitle = await page.title();
try {
theTitle = await page.title();
// find amazon price
if (host === 'www.amazon.co.uk' || 'amazon.co.uk') {
const priceInput = await page.$(SELECTORS.amazonPrice)
thePrice = await page.evaluate(element => element.textContent, priceInput)
}
// find ebay price
if (host === 'www.ebay.co.uk' || 'ebay.co.uk') {
const priceInput = await page.$(SELECTORS.ebayPrice)
thePrice = await page.evaluate(element => element.value, priceInput)
}
else {
console.log('failed scrape at', host);
}
}
catch (error) {
console.error('There was an error processing the page:', error);
}
finally {
// close browser
if (browser !== null) {
await browser.close();
}
}
console.log(theTitle);
console.log(thePrice);
const response = {
title: theTitle,
price: thePrice,
};
console.log('post' + postId + storeId + thePrice + theDomain);
axios.post('endpoint', {
price: thePrice,
store_id: storeId,
post_id: postId,
domain: theDomain,
},
{
headers: {
'Content-Type': 'multipart/form-data',
}
})
.then(function (response) {
console.log(response);
})
.catch(function (error) {
console.log(error);
});
// axios post end
return response;
}
};
exports.taskRunner = functions.runWith({ memory: '2GB' }).pubsub
// export const taskRunner = functions.region('europe-west2').runWith( { memory: '2GB' }).pubsub
.schedule('*/15 * * * *').onRun(async (context) => {
// Consistent timestamp
const now = admin.firestore.Timestamp.now();
// Query all documents ready to perform
const query = db.collection('tasks').where('performAt', '<=', now).where('status', '==', 'scheduled');
const tasks = await query.get();
// Jobs to execute concurrently.
const jobs = [];
// Loop over documents and push job.
tasks.forEach(snapshot => {
const { worker, options } = snapshot.data();
const job = workers[worker](options)
// Update doc with status on success or error
// .then(() => snapshot.ref.update({ status: 'complete' }))
.catch((err) => snapshot.ref.update({ status: 'error' }));
jobs.push(job);
});
// Execute all jobs concurrently
return await Promise.all(jobs);
});
Error
Error: Request failed with status code 500
at createError (/srv/node_modules/axios/lib/core/createError.js:16:15)
at settle (/srv/node_modules/axios/lib/core/settle.js:17:12)
at IncomingMessage.handleStreamEnd (/srv/node_modules/axios/lib/adapters/http.js:236:11)
at emitNone (events.js:111:20)
at IncomingMessage.emit (events.js:208:7)
at endReadableNT (_stream_readable.js:1064:12)
at _combinedTickCallback (internal/process/next_tick.js:139:11)
at process._tickDomainCallback (internal/process/next_tick.js:219:9)
config:
{ url: 'endpoint',
method: 'post',
data: '{"£59.99":null,"store_id":32,"post_id":25,"domain":"amazon.co.uk"}',
headers:
{ Accept: 'application/json, text/plain, */*',
'Content-Type': 'multipart/form-data',
'User-Agent': 'axios/0.19.2',
'Content-Length': 65 },
transformRequest: [ [Function: transformRequest] ],
transformResponse: [ [Function: transformResponse] ],
timeout: 0,
adapter: [Function: httpAdapter],
xsrfCookieName: 'XSRF-TOKEN',
xsrfHeaderName: 'X-XSRF-TOKEN',
maxContentLength: -1,
validateStatus: [Function: validateStatus] },
request:
ClientRequest {
domain:
Domain {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
members: [Array] },
_events:
{ socket: [Function],
abort: [Function],
aborted: [Function],
error: [Function],
timeout: [Function],
prefinish: [Function: requestOnPrefinish] },
_eventsCount: 6,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: true,
upgrading: false,
chunkedEncoding: false,
shouldKeepAlive: false,
useChunkedEncodingByDefault: true,
sendDate: false,
_removedConnection: false,
_removedContLen: false,
_removedTE: false,
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: 'SERVERNAME',
npnProtocol: false,
alpnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
connecting: false,
_hadError: false,
_handle: [Object],
_parent: null,
_host: 'HOST',
_readableState: [Object],
readable: true,
domain: [Object],
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
_bytesDispatched: 259,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: [Object],
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Circular],
[Symbol(asyncId)]: 538,
[Symbol(bytesRead)]: 0 },
connection:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: 'HOST',
npnProtocol: false,
alpnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
connecting: false,
_hadError: false,
_handle: [Object],
_parent: null,
_host: 'HOST',
_readableState: [Object],
readable: true,
domain: [Object],
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
_bytesDispatched: 259,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: [Object],
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Circular],
[Symbol(asyncId)]: 538,
[Symbol(bytesRead)]: 0 },
_header: 'POST ENDPOINT HTTP/1.1\r\nAccept: application/json, text/plain, */*\r\nContent-Type: multipart/form-data\r\nUser-Agent: axios/0.19.2\r\nContent-Length: 65\r\nHost: HOST\r\nConnection: close\r\n\r\n',
_onPendingData: [Function: noopPendingOutput],
agent:
Agent {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
defaultPort: 443,
protocol: 'https:',
options: [Object],
requests: {},
sockets:
more_vert
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Answer 1

After some work and trial & error. I settled on using the Request package to solve for the issue - https://www.npmjs.com/package/request
Not had time to investigate why Axios was not working but will review and if enlightened I will post here.