Data.

Terraform Data source

• var.
• local.
• module.
• data.

identity_store_id = tolist(data.aws_ssoadmin_instances.example.identity_store_ids)[0]

data.aws_caller_identity
data.aws_availability_zones.available.names

provider "kubernetes" {
 host                   = data.aws_eks_cluster.cluster.endpoint
 token                  = data.aws_eks_cluster_auth.cluster.token
 cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority.0.data)
}

Examples

resource "aws_s3_bucket" "example" {
  bucket = "my-tf-test-bucket"
}

resource "aws_s3_bucket_policy" "allow_access_from_another_account" {
  bucket = aws_s3_bucket.example.id
  policy = data.aws_iam_policy_document.allow_access_from_another_account.json
}

aws_ami

data "aws_ami" "ubuntu" {
 most_recent = true

 filter {
   name   = "name"
   values = ["ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*"]
 }

 filter {
   name   = "virtualization-type"
   values = ["hvm"]
 }

 owners = ["099720109477"] # Canonical
}

See also

• AWS Data sources: aws_region, aws_vpc, aws_caller_identity, aws_availability_zones, aws_eip, aws_flow_log, template_file, aws_ami
• Terraform functions, Terraform collection functions: tolist, toset, length, sum, file, join, depends_on, zipmap, replace, lookup, read files, concat, merge, templatefile, for_each, format, element, slice, try, filebase64, upper, filemd5, coalesce, formatlist, flatten