update terraform workshop

terraform-workshop/index.md

@@ -6,7 +6,7 @@
 ## What is Terraform
 
 IaC (Infrastructure as Code) framework which enables programatic definition,
-deployment and management of infrastructure resources for cloud and on-premises 
+deployment and management of infrastructure resources for cloud and on-premises
 in a declarative manner. It targets all major cloud platforms (GCP, AWS, Azure, DO etc.)
 
 ---
@@ -30,7 +30,7 @@ in a declarative manner. It targets all major cloud platforms (GCP, AWS, Azure,
 
 ## Human-Readible Configuration Language
 
-* HashiCorp Configuration Language (HCL) or JSON
+HashiCorp Configuration Language (HCL) or JSON
 
 ```
 provider "aws" {
@@ -50,14 +50,16 @@ output "instance_public_ip" {
   value = aws_instance.example.public_ip
 }
 
-``` 
+```
 
 ---
 
-## Workflow
+# Workflow
 
 * Write your configuration file
 
+* Use `terraform init` to initialize a Terraform workspace
+
 * Use the the `terraform plan` action to simulate deployment of resources and assess the outcome
 
 * Use `terraform apply` to actually deploy resources
@@ -72,7 +74,35 @@ output "instance_public_ip" {
 
 * Use `terraform plan` and `terraform apply` in order to deploy the resource
 
-* Remove the resource by updating your configuration file and using `terraform plan` and `terraform apply`
+* Remove the resource by using `terraform destroy`
+
+* Take advantage of terraform docs and providers:
+
+  * https://registry.terraform.io/
+
+  * https://developer.hashicorp.com/terraform
+
+---
+
+# Solution
+
+```
+# Specify the provider
+provider "aws" {
+  region = "us-west-2"
+}
+
+# Create an EC2 instance
+resource "aws_instance" "my_ec2" {
+  ami           = "ami-03e383d33727f4804"
+  instance_type = "t2.micro"
+
+
+  tags = {
+    Name = "TestEC2Instance"
+  }
+}
+```
 
 ---
 
@@ -86,7 +116,65 @@ output "instance_public_ip" {
 
 ---
 
-# Next Steps
+# Solution
 
-* ...
+```
+# Specify the provider
+provider "aws" {
+  region = "us-west-2"
+}
+
+# Create a security group
+resource "aws_security_group" "allow_ssh" {
+  name        = "allow_ssh"
+  description = "Allow SSH access"
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}
+
+# Specify the provider
+provider "aws" {
+  region = "us-west-2"
+}
+
+# Create an EC2 instance
+resource "aws_instance" "my_ec2" {
+  ami           = "ami-03e383d33727f4804"
+  instance_type = "t2.micro"
+
+  security_groups = [aws_security_group.allow_ssh.name]
+
+  tags = {
+    Name = "TestEC2Instance"
+  }
+}
+```
+
+---
+
+# Additional Notes
+
+* Typically the terraform state is stored online in a manner that makes it retrievable by others
+
+---
+
+# SOPS for Secrets Management
+
+* Download from https://github.com/getsops/sops
+
+* Encrypt config file: `sops -e --pgp <key_id> credentials > credentials.enc`
+
+* Decrypt and set: `eval $(sops -d credentials.enc | sed 's/: /=/g')`