How to utilize Boolean variables to backup resources in Terraform?

208    Asked by Unnatigautam in Devops , Asked on Nov 27, 2023

In the context of terraform configuration, I have a module that provisions virtual machines. Among these modules, there is a module Boolean variable named “ enable_ backup”. How can I utilize this boolean variable to include or exclude the backup resources block within the module? 

Answered by Jake CARTER

 If you want to conditionally include or even exclude a backup resource block based on the “ enable_ backup” in the context of a terraform boolean variable in the module like terraform then you should use the ' count’ argument within the resource block. For example, if ' enable_ backup’ is set to ' true’ then the count would be 1. In this scenario, the backup resources block would be included. On the other hand, if the ‘enable_ backup’ is set to ‘false’ then the count would be 0. Here is an example of it:-

Variable “ enable_ feature” { type = bool default = true}
Resource “ example_ resource”
“Example” { name = “ example”
Active = var.enable_ feature }

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