Terraform: How to Use Conditionals to Dynamically Create Resources

Terraform: How to Use Conditionals to Dynamically Create Resources

This particular example is referred to ELB creation with a target group and a listener.

As you (probably) know, Terraform doesn’t support if statements.

Luckily we can achieve the same result by using a specific parameter called count.

You can think about it this way: you can set _count _to 1 on a specific resource and get one copy of that resource.

However, setting the same _count _parameter to 0 you won’t get any resource created.

So, as already mentioned, you won’t need if/else statements at all, Terraform use conditional expressions with the following format:


All that Terraform does is nothing but evaluating the boolean logic in CONDITION and, based on that, if the value is true _it will return TRUE_VAL otherwise it’ll return FALSE_VAL if the result is _false.

cloud terraform infrastructure-as-code cloud-computing aws

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