What are approaches to calling gcp APIs from terraform For ex creating GCP pubsub Snapshot

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I want to create snapshot, which is currently not available through GCP Terraform provider. So I want to be able to use the snapshot API call to achieve this. Once the snapshot is created, I need to call some external APIs as well, for instance call the remote server endpoint to restart the service.

What are the standard / better approaches with Terraform to do this? I am newbie with terraform. So no idea how to approach this.

Apr 6, 2022 in GCP by Rahul
• 3,380 points
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1 answer to this question.

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You don't want to start using null resources or calling scripts from Terraform if you can at all help it. You'd only want to use a local-exec/remote-exec where you really can't architect a proper solution.

One alternative is to wrap this up in a Cloud Function and apply a cron trigger to it if the snapshotting is predictable. Alternatively you could also wrap it up in a Workflow.

answered Apr 6, 2022 by Korak
• 5,820 points

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