Terraform AWS Regions and Availability Zones

availability_zones.tf

//  Gist: https://gist.github.com/dwmkerr/58bfbf55eb9f05c8603958806add00cc
//  Source: https://aws.amazon.com/about-aws/global-infrastructure/
//  Updated: 2018-02-27

//  Examples:
//  1. Get the second az in singapore:
//      "${element(var.aws_availability_zones['ap-southeast-1'], 0)}"


//  Availability zones for each region
variable "aws_availability_zones" {
  default = {
    //  N. Virginia
    us-east-1 = [
      "eu-east-1a",
      "eu-east-1b",
      "eu-east-1c",
      "eu-east-1d",
      "eu-east-1e",
      "eu-east-1f"
    ]
    //  Ohio
    us-east-2 = [
      "eu-east-2a",
      "eu-east-2b",
      "eu-east-2c",
    ]
    //  N. California
    us-west-1 = [
      "us-west-1a",
      "us-west-1b",
      "us-west-1c",
    ]
    //  Oregon
    us-west-2 = [
      "us-west-2a",
      "us-west-2b",
      "us-west-2c",
    ]
    //  Mumbai
    ap-south-1 = [
      "ap-south-1a",
      "ap-south-1b",
    ]
    //  Seoul
    ap-northeast-2 = [
      "ap-northeast-2a",
      "ap-northeast-2b",
    ]
    //  Singapore
    ap-southeast-1 = [
      "ap-southeast-1a",
      "ap-southeast-1b",
      "ap-southeast-1c",
    ]
    //  Sydney
    ap-southeast-2 = [
      "ap-southeast-2a",
      "ap-southeast-2b",
      "ap-southeast-2c",
    ]
    //  Tokyo (4)
    ap-northeast-1 = [
      "ap-northeast-1a",
      "ap-northeast-1b",
      "ap-northeast-1c",
    ]
    //  Osaka-Local (1)
    //  Central
    ca-central-1 = [
      "ca-central-1a",
      "ca-central-1b",
    ]
    //  Beijing (2)
    //  Ningxia (2)
    
    //  Frankfurt (3)
    eu-central-1 = [
      "eu-central-1a",
      "eu-central-1b",
      "eu-central-1c",
    ]
    //  Ireland (3)
    eu-west-1 = [
      "eu-west-1a",
      "eu-west-1b",
      "eu-west-1c",
    ]
    //  London (3)
    eu-west-2 = [
      "eu-west-2a",
      "eu-west-2b",
      "eu-west-2c",
    ]
    //  Paris (3)
    eu-west-3 = [
      "eu-west-3a",
      "eu-west-3b",
      "eu-west-3c",
    ]
    //  São Paulo (3)
    sa-east-1 = [
      "sa-east-1a",
      "sa-east-1b",
      "sa-east-1c",
    ]
    //  AWS GovCloud (US-West) (2)
  }
}