From a192d0b94e469e00e91024a89408a151fb7004cd Mon Sep 17 00:00:00 2001
From: Edward Viaene <ward.viaene@gmail.com>
Date: Fri, 15 Jun 2018 10:57:00 +0000
Subject: [PATCH] demo-18

---
 demo-18/instance.tf      | 29 +++++++++++++++++++++++++
 demo-18/key.tf           |  4 ++++
 demo-18/provider.tf      |  3 +++
 demo-18/securitygroup.tf | 47 ++++++++++++++++++++++++++++++++++++++++
 demo-18/vars.tf          | 15 +++++++++++++
 demo-18/vpc.tf           | 37 +++++++++++++++++++++++++++++++
 6 files changed, 135 insertions(+)
 create mode 100644 demo-18/instance.tf
 create mode 100644 demo-18/key.tf
 create mode 100644 demo-18/provider.tf
 create mode 100644 demo-18/securitygroup.tf
 create mode 100644 demo-18/vars.tf
 create mode 100644 demo-18/vpc.tf

diff --git a/demo-18/instance.tf b/demo-18/instance.tf
new file mode 100644
index 0000000..135388d
--- /dev/null
+++ b/demo-18/instance.tf
@@ -0,0 +1,29 @@
+data "aws_ami" "ubuntu" {
+  most_recent = true
+
+  filter {
+    name   = "name"
+    values = ["ubuntu/images/hvm-ssd/ubuntu-trusty-14.04-amd64-server-*"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+
+  owners = ["099720109477"] # Canonical
+}
+
+resource "aws_instance" "example" {
+  ami           = "${data.aws_ami.ubuntu.id}"
+  instance_type = "t2.micro"
+
+  # the VPC subnet
+  subnet_id = "${var.ENV == "prod" ? module.vpc-prod.public_subnets[0] : module.vpc-dev.public_subnets[0] }"
+
+  # the security group
+  vpc_security_group_ids = ["${var.ENV == "prod" ? aws_security_group.allow-ssh-prod.id : aws_security_group.allow-ssh-dev.id }"]
+
+  # the public SSH key
+  key_name = "${aws_key_pair.mykeypair.key_name}"
+}
diff --git a/demo-18/key.tf b/demo-18/key.tf
new file mode 100644
index 0000000..2b92f43
--- /dev/null
+++ b/demo-18/key.tf
@@ -0,0 +1,4 @@
+resource "aws_key_pair" "mykeypair" {
+  key_name   = "mykeypair"
+  public_key = "${file("${var.PATH_TO_PUBLIC_KEY}")}"
+}
diff --git a/demo-18/provider.tf b/demo-18/provider.tf
new file mode 100644
index 0000000..5606109
--- /dev/null
+++ b/demo-18/provider.tf
@@ -0,0 +1,3 @@
+provider "aws" {
+  region  = "${var.AWS_REGION}"
+}
diff --git a/demo-18/securitygroup.tf b/demo-18/securitygroup.tf
new file mode 100644
index 0000000..6509648
--- /dev/null
+++ b/demo-18/securitygroup.tf
@@ -0,0 +1,47 @@
+resource "aws_security_group" "allow-ssh-prod" {
+  vpc_id      = "${module.vpc-prod.vpc_id}"
+  name        = "allow-ssh"
+  description = "security group that allows ssh and all egress traffic"
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags {
+    Name = "allow-ssh"
+  }
+}
+
+resource "aws_security_group" "allow-ssh-dev" {
+  vpc_id      = "${module.vpc-dev.vpc_id}"
+  name        = "allow-ssh"
+  description = "security group that allows ssh and all egress traffic"
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags {
+    Name = "allow-ssh"
+  }
+}
diff --git a/demo-18/vars.tf b/demo-18/vars.tf
new file mode 100644
index 0000000..d89ef11
--- /dev/null
+++ b/demo-18/vars.tf
@@ -0,0 +1,15 @@
+variable "AWS_REGION" {
+  default = "eu-west-1"
+}
+
+variable "PATH_TO_PRIVATE_KEY" {
+  default = "mykey"
+}
+
+variable "PATH_TO_PUBLIC_KEY" {
+  default = "mykey.pub"
+}
+
+variable "ENV" {
+  default = "prod"
+}
diff --git a/demo-18/vpc.tf b/demo-18/vpc.tf
new file mode 100644
index 0000000..b25704a
--- /dev/null
+++ b/demo-18/vpc.tf
@@ -0,0 +1,37 @@
+module "vpc-prod" {
+  source = "terraform-aws-modules/vpc/aws"
+
+  name = "vpc-prod"
+  cidr = "10.0.0.0/16"
+
+  azs             = ["${var.AWS_REGION}a", "${var.AWS_REGION}b", "${var.AWS_REGION}c"]
+  private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
+  public_subnets  = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]
+
+  enable_nat_gateway = false
+  enable_vpn_gateway = false
+
+  tags = {
+    Terraform   = "true"
+    Environment = "prod"
+  }
+}
+
+module "vpc-dev" {
+  source = "terraform-aws-modules/vpc/aws"
+
+  name = "vpc-dev"
+  cidr = "10.0.0.0/16"
+
+  azs             = ["${var.AWS_REGION}a", "${var.AWS_REGION}b", "${var.AWS_REGION}c"]
+  private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
+  public_subnets  = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]
+
+  enable_nat_gateway = false
+  enable_vpn_gateway = false
+
+  tags = {
+    Terraform   = "true"
+    Environment = "dev"
+  }
+}