durgasidileep / terraform-state-module

Terraform module: Set up state backend using S3 & DynamoDB

terraform-state-module

Terraform module: Set up state backend using S3 & DynamoDB

Use

global/init/main.tf:

variable "name" {
  default = "NAME"
}
variable "region" {
  default = "us-east-1"
}
variable "profile" {
  default = "farrelllabs"
}

provider "aws" {
  region  = "${var.region}"
  profile = "${var.profile}"
}

module "state" {
  source = "[e-mail]/willfarrell/terraform-state-module"
  name = "${var.name}"
}

# Used in backend.s3 block
output "backend_s3_region" {
  value = "${var.region}"
}
output "backend_s3_profile" {
  value = "${var.profile}"
}
output "backend_s3_dynamodb_table" {
  value = "${module.state.dynamodb_table_id}"
}
output "backend_s3_bucket" {
  value = "${module.state.s3_bucket_id}"
}
output "backend_s3_bucket_logs" {
  value = "${module.state.s3_bucket_logs_id}"
}

Remote State

terraform {
  backend "s3" {
    bucket         = "tfstate-NAME"
    key            = "vpc/terraform.tfstate"
    region         = "us-east-1"
    profile        = "tesera"
    dynamodb_table = "tfstate-NAME"
    kms_key_id     = "arn:aws:kms:us-east-1:<account_id>:key/<key_id>"
  }
}

Inputs

• name: Makes name unique tfstate-${name} [Optional]

Ensure .gitignore saves these files.

# Compiled files
*.tfstate
*.tfstate.backup
!global/init/terraform.tfstate
!global/init/terraform.tfstate.backup

# Module directory
.terraform/