CODEWITHSUNDEEP
amazon-web-servicesterraform
intechops6
intechops6

Reputation: 1097

how to read terraform list from vars file

I have a list of subnets as list in the vars file, which I want to read a list inside the AWS resource.

variables.tf
variable "alb_subnets" {
 type = list(string)
}

terraform.tfvars
subnets = ["subnet-a","subnet-b"]

main.tf
resource "<resource_name>" "test" {
  name               = var.Name
  security_groups    = ["${join(",",var.subnets)}"]
}

Error: ValidationError: subnet 'subnet-a,subnet-b' is not valid
        status code: 400, request id: dc4be07e-e353-4821-8bde-3d9849584bef

what is the right way to read the list as list inside the AWS resource.

Upvotes: 1

Views: 209

Answers (1)

Marcin
Marcin

Reputation: 238071

Normally you would just do:

security_groups = var.subnets

However, it seems to me that you are trying to assign subnets as security groups. Even if you fix the syntax, this will not work. For security_groups you need security groups, not subnets.

Upvotes: 1

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