Terraform data: aws subnets

aws_subnets (tf.io)

Official example

data "aws_subnets" "example" {
 filter {
   name   = "vpc-id"
   values = [var.vpc_id]
 }
}

data "aws_subnet" "example" {
 for_each = toset(data.aws_subnets.example.ids)
 id       = each.value
}

output "subnet_cidr_blocks" {
 value = [for s in data.aws_subnet.example : s.cidr_block]
}

Other examples

data "aws_subnets" "myfrontends" {
 filter {
   name   = "vpc-id"
   values = [data.aws_vpc.your_vpc.id]
 }
 filter {
   name   = "tag:Tier"
   values = ["private"]
 }
 filter {
   name   = "tag:Type"
   values = ["frontend"]
 }
}

Related

• Terraform data: aws_subnet
• Terraform resource: aws_subnet
• Terraform resource: aws_lb

See also

• Terraform data sources: aws_vpc, aws_subnet, aws_subnets, template_file, aws_subnet_ids, terraform remote state, aws_eks_cluster, aws_ami, aws_availability_zones, aws_partition, archive_file, aws_ecs_cluster, aws_caller_identity, Terraform resource: terraform data