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vpc.tf
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vpc.tf
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#
# VPC Resources
# * VPC
# * Subnets
# * Internet Gateway
# * Nat Gateway
# * Route Table
#
resource "aws_vpc" "demo" {
cidr_block = "${var.vpc-cidr-block}"
tags = "${
map(
"Name", "terraform-eks-demo-node",
"kubernetes.io/cluster/${var.cluster-name}", "shared",
)
}"
}
resource "aws_subnet" "demo-private" {
vpc_id = "${aws_vpc.demo.id}"
availability_zone = "${data.aws_availability_zones.available.names[count.index]}"
cidr_block = "${lookup(var.private-subnet-blocks, count.index)}"
count = "${var.num-private-subnets}"
tags = "${
map(
"Name", "terraform-eks-demo-node",
"kubernetes.io/cluster/${var.cluster-name}", "shared",
)
}"
}
resource "aws_subnet" "demo-public" {
vpc_id = "${aws_vpc.demo.id}"
availability_zone = "${data.aws_availability_zones.available.names[count.index]}"
cidr_block = "${lookup(var.public-subnet-blocks, count.index)}"
count = "${var.num-public-subnets}"
tags = "${
map(
"Name", "terraform-eks-demo-node",
"kubernetes.io/cluster/${var.cluster-name}", "shared",
)
}"
map_public_ip_on_launch = true
# depends_on = ["aws_route_table_association.demo-public"]
}
resource "aws_internet_gateway" "demo" {
vpc_id = "${aws_vpc.demo.id}"
tags {
Name = "terraform-eks-demo"
}
}
resource "aws_eip" "nat" {
vpc = true
count = "${var.num-private-subnets}"
}
resource "aws_nat_gateway" "demo" {
allocation_id = "${element(aws_eip.nat.*.id, count.index)}"
subnet_id = "${element(aws_subnet.demo-public.*.id, count.index)}"
count = "${var.num-private-subnets}"
}
resource "aws_route_table" "demo-public" {
vpc_id = "${aws_vpc.demo.id}"
route {
cidr_block = "0.0.0.0/0"
gateway_id = "${aws_internet_gateway.demo.id}"
}
}
resource "aws_route_table" "demo-private" {
vpc_id = "${aws_vpc.demo.id}"
route {
cidr_block = "0.0.0.0/0"
nat_gateway_id = "${element(aws_nat_gateway.demo.*.id, count.index)}"
}
}
resource "aws_route_table_association" "demo-public" {
count = "${var.num-public-subnets}"
subnet_id = "${element(aws_subnet.demo-public.*.id, count.index)}"
route_table_id = "${aws_route_table.demo-public.id}"
}
resource "aws_route_table_association" "demo-private" {
count = "${var.num-private-subnets}"
subnet_id = "${aws_subnet.demo-private.*.id[count.index]}"
route_table_id = "${aws_route_table.demo-private.id}"
}