How to trigger firebase function on all database instances rather than default one?

Question

I have 50 realtime firebase database instances which are all identical.

Is it possible to get all my firebase functions to trigger on all instances, rather than just the default instance?

I know you can do this

exports.myWriteFunction = functions.database.instance('my-secondary-db').ref('path/to/data').onUpdate((snap, context) => { ... })

But I really want to run this function on every instance...

Frank van Puffelen · Accepted Answer · 2018-11-22 14:36:50Z

4

There is no way to automatically associate a function with all database instances. You will have to associate it with each in your own code, although you can of course simply define a single function body that you associate all of them with:

const myfunc = (snap, context) => { ... }
exports.myWriteFunction1 = functions.database.instance('my-secondary-db').ref('path/to/data').onUpdate(myfunc)
exports.myWriteFunction2 = functions.database.instance('my-tertiary-db').ref('path/to/data').onUpdate(myfunc)

edited Nov 22, 2018 at 14:36

answered Nov 22, 2018 at 5:46

Frank van Puffelen

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3 Comments

Paul de Wit Over a year ago

Can I export 2 functions with the same name?

Paul de Wit Over a year ago

If I can export 2 functions with the same name how does this count towards the 1000 function quota?

Frank van Puffelen Over a year ago

Sorry, that was just a copy/paste mistake. Updated now.

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