Bootstrap terraform remote config 🐔 🥚

bootstrap_tf

tf plan -target=aws_s3_bucket.tf_remote_config_bucket -out=confbucket.plan
tf apply confbucket.plan

# Configure against your new bucket.
terraform remote config -backend="S3" \
  -backend-config="bucket=project-name-terraform-state" \
  -backend-config="key=env-region-terraform-state/terraform.tfstate" \
  -backend-config="region=us-west-2" \
  -backend-config="encrypt=1"

tf refresh
tf plan -out=conf.plan
tf apply conf.plan

conf.tf

variable "aws_region" {
  default = "us-west-2"
}

variable "tf_remote_backend_bucket_name" {
  default = "project-name-terraform-state"
}

variable "tf_remote_backend_key" {
  default = "env-region-terraform-state/terraform.tfstate"
}

# Set this to 0 if you are using a local tfstate file.
variable "tf_remote_backend" {
  default = 1
}

variable "tf_remote_backend_type" {
  default = "s3"
}

resource "aws_s3_bucket" "tf_remote_config_bucket" {
  lifecycle {
    prevent_destroy = true
  }

  count = "${var.tf_remote_backend ? 1 : 0}"
  bucket = "${var.tf_remote_backend_bucket_name}"
  versioning {
    enabled = true
  }
}

# This might be useful at some point, for referencing values in the remote state.
data "terraform_remote_state" "this" {
  count = "${var.tf_remote_backend ? 1 : 0}"
  backend = "${var.tf_remote_backend ? var.tf_remote_backend_type : "local"}"

  config {
    bucket  = "${var.tf_remote_backend_bucket_name}"
    key     = "${var.tf_remote_backend_key}"
    region  = "${var.aws_region}"
    encrypt = 1
  }
  
}

output "tf_config_s3_bucket_id" {
  value = "${aws_s3_bucket.tf_remote_config_bucket.id}"
}

output "tf_config_s3_bucket_arn" {
  value = "${aws_s3_bucket.tf_remote_config_bucket.arn}"
}

output "tf_config_s3_bucket_region" {
  value = "${aws_s3_bucket.tf_remote_config_bucket.region}"
}