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3250994c95
* Allow users to extend the route table using a data reference and adding route resources (e.g. unusual peering setups) * Note: Internally connecting AWS clusters can reduce cross-cloud flexibility and inhibits blue-green cluster patterns. It is not recommended
70 lines
1.7 KiB
HCL
70 lines
1.7 KiB
HCL
data "aws_availability_zones" "all" {
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}
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# Network VPC, gateway, and routes
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resource "aws_vpc" "network" {
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cidr_block = var.host_cidr
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assign_generated_ipv6_cidr_block = true
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enable_dns_support = true
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enable_dns_hostnames = true
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tags = {
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"Name" = var.cluster_name
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}
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}
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resource "aws_internet_gateway" "gateway" {
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vpc_id = aws_vpc.network.id
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tags = {
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"Name" = var.cluster_name
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}
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}
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resource "aws_route_table" "default" {
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vpc_id = aws_vpc.network.id
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tags = {
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"Name" = var.cluster_name
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}
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}
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resource "aws_route" "egress-ipv4" {
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route_table_id = aws_route_table.default.id
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destination_cidr_block = "0.0.0.0/0"
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gateway_id = aws_internet_gateway.gateway.id
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}
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resource "aws_route" "egress-ipv6" {
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route_table_id = aws_route_table.default.id
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destination_ipv6_cidr_block = "::/0"
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gateway_id = aws_internet_gateway.gateway.id
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}
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# Subnets (one per availability zone)
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resource "aws_subnet" "public" {
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count = length(data.aws_availability_zones.all.names)
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vpc_id = aws_vpc.network.id
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availability_zone = data.aws_availability_zones.all.names[count.index]
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cidr_block = cidrsubnet(var.host_cidr, 4, count.index)
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ipv6_cidr_block = cidrsubnet(aws_vpc.network.ipv6_cidr_block, 8, count.index)
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map_public_ip_on_launch = true
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assign_ipv6_address_on_creation = true
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tags = {
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"Name" = "${var.cluster_name}-public-${count.index}"
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}
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}
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resource "aws_route_table_association" "public" {
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count = length(data.aws_availability_zones.all.names)
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route_table_id = aws_route_table.default.id
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subnet_id = aws_subnet.public.*.id[count.index]
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}
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