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vpc.tf
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vpc.tf
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resource "aws_vpc" "eks_vpc" {
cidr_block = "${var.eks_vpc_cidr}"
instance_tenancy = "default"
tags = {
Name = "${var.eks_name}-vpc"
}
}
resource "aws_internet_gateway" "eks_igw" {
vpc_id = aws_vpc.eks_vpc.id
tags = {
Name = "${var.eks_name}-igw"
}
}
resource "aws_subnet" "eks_public_subnets" {
for_each = var.eks_public_subnets
vpc_id = aws_vpc.eks_vpc.id
cidr_block = each.value["cidr"]
availability_zone = each.value["az"]
tags = {
Name = "${var.eks_name}-${each.key}"
"kubernetes.io/cluster/${var.eks_name}"= "shared"
"kubernetes.io/role/elb" = 1
}
}
resource "aws_route_table" "public_rt" {
vpc_id = aws_vpc.eks_vpc.id
route {
cidr_block = "0.0.0.0/0"
gateway_id = aws_internet_gateway.eks_igw.id
}
tags = {
Name = "${var.eks_name}-public-rt"
}
}
resource "aws_route_table_association" "public" {
count = length(var.eks_public_subnets)
subnet_id = aws_subnet.eks_public_subnets["public-subnet-${count.index+1}"].id
route_table_id = aws_route_table.public_rt.id
}
resource "aws_eip" "nat_eip" {
count = length(var.eks_private_subnets)
tags = {
Name = "${var.eks_name}-eip-${count.index+1}"
}
}
resource "aws_nat_gateway" "nat_gw" {
count = length(var.eks_private_subnets)
allocation_id = aws_eip.nat_eip[count.index].id
subnet_id = aws_subnet.eks_public_subnets["public-subnet-${count.index+1}"].id
tags = {
Name = "${var.eks_name}-nat-${count.index+1}"
}
}
resource "aws_subnet" "eks_private_subnets" {
for_each = var.eks_private_subnets
vpc_id = aws_vpc.eks_vpc.id
cidr_block = each.value["cidr"]
availability_zone = each.value["az"]
tags = {
Name = "${var.eks_name}-${each.key}"
"kubernetes.io/cluster/${var.eks_name}"= "shared"
"kubernetes.io/role/internal-elb" = 1
}
}
resource "aws_route_table" "private_rt" {
count = length(var.eks_private_subnets)
vpc_id = aws_vpc.eks_vpc.id
route {
cidr_block = "0.0.0.0/0"
nat_gateway_id = aws_nat_gateway.nat_gw[count.index].id
}
tags = {
Name = "${var.eks_name}-private-rt-${count.index+1}"
}
}
resource "aws_route_table_association" "private" {
count = length(var.eks_private_subnets)
subnet_id = aws_subnet.eks_private_subnets["private-subnet-${count.index+1}"].id
route_table_id = aws_route_table.private_rt[count.index].id
}