Add different solutions to AWS exercises

Not only console solutions, but also Terraform and Pulumi.

In addition, this change fixes issues #279 and #280

topics/aws/exercises/subnets/exercise.md

@@ -2,7 +2,8 @@
 
 ### Requirements
 
-Single newly created VPC
+1. Single newly created VPC
+2. Region with more than two availability zones
 
 ### Objectives
 

topics/aws/exercises/subnets/pulumi/__main__.py

@@ -0,0 +1,27 @@
+import pulumi
+import pulumi_aws as aws
+
+availableZones = pulumi_aws.get_availability_zones(state="available")
+
+aws.ec2.Subnet("NewSubnet1",
+    vpc_id=aws_vpc["main"]["id"],
+    cidr_block="10.0.0.0/24",
+    availability_zone=availableZones.names[0],
+    tags={"Name": "NewSubnet1"}
+    )
+
+aws.ec2.Subnet("NewSubnet2",
+    vpc_id=aws_vpc["main"]["id"],
+    cidr_block="10.0.1.0/24",
+    availability_zone=availableZones.names[1]
+    tags={"Name": "NewSubnet2"}
+    )
+
+aws.ec2.Subnet("NewSubnet3",
+    vpc_id=aws_vpc["main"]["id"],
+    cidr_block="10.0.2.0/24",
+    availability_zone=availableZones.names[2]
+    tags={"Name": "NewSubnet3"}
+    )
+
+# Run "pulumi up"

topics/aws/exercises/subnets/solution.md

@@ -1,26 +1,27 @@
-## AWS VPC - Subnets
+# AWS VPC - Subnets
 
-### Requirements
+## Requirements
 
-Single newly created VPC
+1. Single newly created VPC
+2. Region with more than two availability zones
 
-### Objectives
+## Objectives
 
 1. Create a subnet in your newly created VPC
-  1. CIDR: 10.0.0.0/24
-  2. Name: NewSubnet1
+   1. CIDR: 10.0.0.0/24
+   1. Name: NewSubnet1
 2. Create additional subnet
-  1. CIDR: 10.0.1.0/24
-  2. Name: NewSubnet2
-  3. Different AZ compared to previous subnet
+   1. CIDR: 10.0.1.0/24
+   2. Name: NewSubnet2
+   3. Different AZ compared to previous subnet
 3. Create additional subnet
-  1. CIDR: 10.0.2.0/24
-  2. Name: NewSubnet3
-  3. Different AZ compared to previous subnets
+   4. CIDR: 10.0.2.0/24
+   5. Name: NewSubnet3
+   6. Different AZ compared to previous subnets
 
-### Solution
+## Solution
 
-#### Console
+### Console
 
 1. Click on "Subnets" under "Virtual Private Cloud"
 2. Make sure you filter by your newly created VPC (to not see the subnets in all other VPCs). You can do this in the left side menu
@@ -37,3 +38,11 @@ Single newly created VPC
 13. Set the subnet name to "NewSubnet3"
 14. Choose a different AZ
 15. Set CIDR to 10.0.2.0/24
+
+### Terraform
+
+Click [here](terraform/main.tf) to view the solution
+
+### Pulumi - Python
+
+Click [here](pulumi/__main__.py) to view the solution

topics/aws/exercises/subnets/terraform/main.tf

@@ -0,0 +1,49 @@
+# Variables
+
+variable "vpc_id" {
+  type = string
+}
+
+# AWS Subnets
+
+resource "aws_subnet" "NewSubnet1" {
+  cidr_block = "10.0.0.0/24"
+  vpc_id = var.vpc_id
+  availability_zone = data.aws_availability_zones.all.names[0]
+  tags = {
+    Purpose: exercise
+    Name: "NewSubnet1"
+  }
+}
+
+resource "aws_subnet" "NewSubnet2" {
+  cidr_block = "10.0.1.0/24"
+  vpc_id = var.vpc_id
+  availability_zone = data.aws_availability_zones.all.names[1]
+  tags = {
+    Purpose: exercise
+    Name: "NewSubnet2"
+  }
+}
+
+resource "aws_subnet" "NewSubnet3" {
+  cidr_block = "10.0.2.0/24"
+  vpc_id = var.vpc_id
+  availability_zone = data.aws_availability_zones.all.names[2]
+  tags = {
+    Purpose: exercise
+    Name: "NewSubnet3"
+  }
+}
+
+# Outputs
+
+output "NewSubnet1-id" {
+  value = aws_subnet.NewSubnet1.id
+}
+output "NewSubnet2-id" {
+  value = aws_subnet.NewSubnet2.id
+}
+output "NewSubnet3-id" {
+  value = aws_subnet.NewSubnet3.id
+}