UoL: Cloud Computing Networking

week_05.tf

variable "student_name" {
  default = "<STUDENT_NAME>" #fixme!
}

variable "region" {
  default = "us-east-2"
}

provider "aws" {
  region = "${var.region}"
}

resource "aws_vpc" "uol_vpc" {
  cidr_block       = "192.168.0.0/16"
  instance_tenancy = "default"
  enable_dns_support = true
  enable_dns_hostnames = true

  tags {
    Name = "VPC_CIT523_${var.student_name}"
  }
}

resource "aws_subnet" "uol_subnet" {
  vpc_id     = "${aws_vpc.uol_vpc.id}"
  cidr_block = "192.168.171.0/24"

  tags {
    Name = "SBNET_CIT523_${var.student_name}"
  }
}

resource "aws_eip" "uol_eip" {
  vpc = true

  depends_on = ["aws_internet_gateway.uol_gateway"]

  tags {
    Name = "GW_IP_CIT523_${var.student_name}"
  }
}

resource "aws_internet_gateway" "uol_gateway" {
  vpc_id = "${aws_vpc.uol_vpc.id}"

  tags {
    Name = "IGW_CIT523_${var.student_name}"
  }
}

resource "aws_nat_gateway" "uol_nat" {
  allocation_id = "${aws_eip.uol_eip.id}"
  subnet_id     = "${aws_subnet.uol_subnet.id}"

  depends_on = ["aws_internet_gateway.uol_gateway"]

  tags {
    Name = "NAT_CIT523_${var.student_name}"
  }
}

resource "aws_route" "internet_access" {
  route_table_id         = "${aws_vpc.uol_vpc.main_route_table_id}"
  destination_cidr_block = "0.0.0.0/0"
  gateway_id             = "${aws_internet_gateway.uol_gateway.id}"
}

resource "aws_route_table" "uol_route_table" {
  vpc_id = "${aws_vpc.uol_vpc.id}"

  route {
    cidr_block = "0.0.0.0/0"
    nat_gateway_id = "${aws_nat_gateway.uol_nat.id}"
  }

  tags {
    Name = "RT1_CIT523_${var.student_name}"
  }
}

resource "aws_route_table_association" "uol_route_table_association" {
  subnet_id      = "${aws_subnet.uol_subnet.id}"
  route_table_id = "${aws_route_table.uol_route_table.id}"
}