Failure to Deploy Cloud Function When Using Wildcard in Trigger

Question

I'm trying to deploy a cloud function that will trigger whenever a document is added to a particular collection as below:

const admin = require("firebase-admin");
const functions = require("firebase-functions");

const Firestore = require("@google-cloud/firestore");
const firestore = new Firestore({ projectId: config.projectId });

admin.initializeApp(config);

exports.checkCapacity = functions.firestore.document("gran_canaria/las_palmas_1/miller_pendientes/{albnum}")
  .onCreate(async (snapshot, context) => {});

However this throws the Deployment failure error:

Failed to configure trigger providers/cloud.firestore/eventTypes/[email protected] (gcf.us-central1.checkCapacity)

The error clears if I remove the wildcard and change the reference to:

"gran_canaria/las_palmas_1/miller_pendientes/albnum"

I've attempted changing the method to onWrite(), deleting and re-deploying the function and checking the cloud status at https://status.cloud.google.com/ but can't find any solutions.

bhito bhito · Accepted Answer · 2019-09-05T09:19:11

I have been able to deploy successfully a Cloud Function with a trigger on an onCreate event on my Cloud Firestore.

I have been successful by imply using the provided template in the Console UI when creating the Cloud with the following:

The index.js used is the sample provided by GCP when created the function, which simply prints to the logs which document triggered the change.

Looking at the documentation in Firestore, I see that you probably used the samples provided there, so maybe using the above settings will make it work for you.

Failure to Deploy Cloud Function When Using Wildcard in Trigger

1 Answers