Google cloud with terraform

[gcloudLearning]

I need to take vm snapshot programmatically by reading vmid from a storage bucket .

first task is reading from Storage bucket (vm detail) ,

next is to run vm snapshot (using terrform) -

I need to do it for each project , what are different way to do this , any suggested one.

for reading the storage bucket - i need to write some scripts/functions, . please suggest how to perform these 2 task

[DamianS]

Hello,

Why would you decide to use terraform to perform snapshots ? 

cheers,
DamianS

[gcloudLearning]

actually we want to automate this whole process - using cloud function is time restrictive and if we have more instances then it would timeout. appreciate if we have any other ways to plan the same .