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aws_network.tf
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locals {
vpc_cidr = "10.0.0.0/16"
azs = ["${var.region}a", "${var.region}b"]
}
module "vpc" {
source = "terraform-aws-modules/vpc/aws"
version = "~> 4.0"
name = "eks-module-vpc"
cidr = local.vpc_cidr
azs = local.azs
private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 4, k)]
public_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 48)]
intra_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 52)]
enable_nat_gateway = true
single_nat_gateway = true
enable_dns_hostnames = true
enable_flow_log = true
create_flow_log_cloudwatch_iam_role = true
create_flow_log_cloudwatch_log_group = true
}
# Create subnet for each Wavelength Zone
resource "aws_subnet" "local_subnets" {
for_each = var.wavelength_zones
vpc_id = module.vpc.vpc_id
cidr_block = each.value.cidr_block
availability_zone_id = each.value.availability_zone_id
tags = {
Name = "local-eks-module-vpc-${each.key}"
}
}
# Create local Route Table for local subnets
resource "aws_route_table" "WLZ_route_table" {
vpc_id = module.vpc.vpc_id
tags = {
Name = "local Zone Route Table"
}
}
resource "aws_route" "WLZ_route" {
route_table_id = aws_route_table.WLZ_route_table.id
destination_cidr_block = "0.0.0.0/0"
# nat_gateway_id = module.vpc.natgw_ids[0]
carrier_gateway_id = aws_ec2_carrier_gateway.carrier_gateway.id
}
resource "aws_ec2_carrier_gateway" "carrier_gateway" {
vpc_id = module.vpc.vpc_id
tags = {
Name = "wlz-carrier-gateway"
}
}
resource "aws_route_table_association" "WLZ_route_associations" {
for_each = var.wavelength_zones
subnet_id = aws_subnet.local_subnets[each.key].id
route_table_id = aws_route_table.WLZ_route_table.id
}
# VPC Endpoints
resource "aws_vpc_endpoint" "ec2" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.ec2"
vpc_endpoint_type = "Interface"
subnet_ids = module.vpc.private_subnets
security_group_ids = [
module.eks.cluster_security_group_id, module.eks.node_security_group_id
]
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "ecr-dkr-endpoint" {
vpc_id = module.vpc.vpc_id
private_dns_enabled = true
service_name = "com.amazonaws.${var.region}.ecr.dkr"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
}
resource "aws_vpc_endpoint" "ecr-api-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.ecr.api"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "sts-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.sts"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "ssm-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.ssm"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "ssm-messages-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.ssmmessages"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "ec2-messages-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.ec2messages"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "eks-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.eks"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "elasticloadbalancing-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.elasticloadbalancing"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "autoscaling-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.autoscaling"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "cw-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.logs"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "kms-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.kms"
vpc_endpoint_type = "Interface"
security_group_ids = [module.eks.cluster_security_group_id, module.eks.node_security_group_id]
subnet_ids = module.vpc.private_subnets
private_dns_enabled = true
}
resource "aws_vpc_endpoint" "s3-endpoint" {
vpc_id = module.vpc.vpc_id
service_name = "com.amazonaws.${var.region}.s3"
route_table_ids = [aws_route_table.WLZ_route_table.id]
}