UPD: module now supports more than 2 AZs. Still defaults to 2 for compatibility
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@ -1,9 +1,3 @@
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data "aws_caller_identity" "this" {}
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data "aws_availability_zones" "available-az" {
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state = "available"
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}
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data "aws_default_tags" "this" {
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lifecycle {
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postcondition {
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@ -13,29 +7,36 @@ data "aws_default_tags" "this" {
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}
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}
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data "aws_caller_identity" "this" {}
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data "aws_availability_zones" "available-az" {
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state = "available"
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}
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locals {
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no-az = 2 # hard-coding to 2AZ
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vpc-cidr = var.vpc-cidr
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vpc-cidr = var.vpc-cidr
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enabled-az-names = slice(data.aws_availability_zones.available-az.names, 0, var.num_azs)
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}
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resource "aws_subnet" "private-subnets" {
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count = length(var.private-subnet-cidrs)
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vpc_id = aws_vpc.vpc.id
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availability_zone = element(data.aws_availability_zones.available-az.names, count.index % 2)
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availability_zone = element(local.enabled-az-names, count.index)
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cidr_block = var.private-subnet-cidrs[count.index]
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tags = merge(data.aws_default_tags.this.tags, {
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Name = "${var.resource-prefix}-private-${split("-", element(data.aws_availability_zones.available-az.names, count.index))[2]}-${count.index + 1}"
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})
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tags = {
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Name = "${var.resource-prefix}-private-${split("-", element(local.enabled-az-names, count.index))[2]}-${count.index + 1}"
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}
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}
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resource "aws_subnet" "public-subnets" {
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count = length(var.public-subnet-cidrs)
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vpc_id = aws_vpc.vpc.id
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availability_zone = element(data.aws_availability_zones.available-az.names, count.index % 2)
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availability_zone = element(local.enabled-az-names, count.index)
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cidr_block = var.public-subnet-cidrs[count.index]
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tags = merge(data.aws_default_tags.this.tags, {
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Name = "${var.resource-prefix}-public-${split("-", element(data.aws_availability_zones.available-az.names, count.index))[2]}-${count.index + 1}"
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})
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tags = {
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Name = "${var.resource-prefix}-public-${split("-", element(local.enabled-az-names, count.index))[2]}-${count.index + 1}"
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}
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}
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resource "aws_vpc" "vpc" {
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@ -34,4 +34,10 @@ variable "secondary_cidr_blocks" {
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type = list(string)
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description = "Additional cidr blocks"
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default = []
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}
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variable num_azs {
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description = "By default, use 2 AZs for redundancy"
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type = number
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default = 2
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}
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