demo-7

demo-7/nat.tf

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+# nat gw
+resource "aws_eip" "nat" {
+  vpc      = true
+}
+resource "aws_nat_gateway" "nat-gw" {
+  allocation_id = "${aws_eip.nat.id}"
+  subnet_id = "${aws_subnet.main-public-1.id}"
+  depends_on = ["aws_internet_gateway.main-gw"]
+}
+
+# VPC setup for NAT
+resource "aws_route_table" "main-private" {
+    vpc_id = "${aws_vpc.main.id}"
+    route {
+        cidr_block = "0.0.0.0/0"
+        nat_gateway_id = "${aws_nat_gateway.nat-gw.id}"
+    }
+
+    tags {
+        Name = "main-private-1"
+    }
+}
+# route associations private
+resource "aws_route_table_association" "main-private-1-a" {
+    subnet_id = "${aws_subnet.main-private-1.id}"
+    route_table_id = "${aws_route_table.main-private.id}"
+}
+resource "aws_route_table_association" "main-private-2-a" {
+    subnet_id = "${aws_subnet.main-private-2.id}"
+    route_table_id = "${aws_route_table.main-private.id}"
+}
+resource "aws_route_table_association" "main-private-3-a" {
+    subnet_id = "${aws_subnet.main-private-3.id}"
+    route_table_id = "${aws_route_table.main-private.id}"
+}

demo-7/provider.tf

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

demo-7/vars.tf

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+variable "AWS_REGION" {
+  default = "eu-west-1"
+}
+variable "PATH_TO_PRIVATE_KEY" {
+  default = "mykey"
+}
+variable "PATH_TO_PUBLIC_KEY" {
+  default = "mykey.pub"
+}

demo-7/vpc.tf

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+# Internet VPC
+resource "aws_vpc" "main" {
+    cidr_block = "10.0.0.0/16"
+    instance_tenancy = "default"
+    enable_dns_support = "true"
+    enable_dns_hostnames = "true"
+    enable_classiclink = "false"
+    tags {
+        Name = "main"
+    }
+}
+
+
+# Subnets
+resource "aws_subnet" "main-public-1" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.1.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1a"
+
+    tags {
+        Name = "main-public-1"
+    }
+}
+resource "aws_subnet" "main-public-2" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.2.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1b"
+
+    tags {
+        Name = "main-public-2"
+    }
+}
+resource "aws_subnet" "main-public-3" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.3.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1c"
+
+    tags {
+        Name = "main-public-3"
+    }
+}
+resource "aws_subnet" "main-private-1" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.4.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1a"
+
+    tags {
+        Name = "main-private-1"
+    }
+}
+resource "aws_subnet" "main-private-2" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.5.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1b"
+
+    tags {
+        Name = "main-private-2"
+    }
+}
+resource "aws_subnet" "main-private-3" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.6.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1c"
+
+    tags {
+        Name = "main-private-3"
+    }
+}
+
+# Internet GW
+resource "aws_internet_gateway" "main-gw" {
+    vpc_id = "${aws_vpc.main.id}"
+
+    tags {
+        Name = "main"
+    }
+}
+
+# route tables
+resource "aws_route_table" "main-public" {
+    vpc_id = "${aws_vpc.main.id}"
+    route {
+        cidr_block = "0.0.0.0/0"
+        gateway_id = "${aws_internet_gateway.main-gw.id}"
+    }
+
+    tags {
+        Name = "main-public-1"
+    }
+}
+
+# route associations public
+resource "aws_route_table_association" "main-public-1-a" {
+    subnet_id = "${aws_subnet.main-public-1.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}
+resource "aws_route_table_association" "main-public-2-a" {
+    subnet_id = "${aws_subnet.main-public-2.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}
+resource "aws_route_table_association" "main-public-3-a" {
+    subnet_id = "${aws_subnet.main-public-3.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}