Create tf_cloud_aws.yml (#22)

* Create tf_cloud_aws.yml

* updates for tfcloud code

* updates for tfcloud code

.github/workflows/tf_cloud_aws.yml

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+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+# It is reusable workflow that can be called in other workflows
+
+name: AWS Infra Creation Using in TF Cloud 
+
+on:
+  workflow_call:
+    secrets:
+        TF_API_TOKEN:
+            required: true
+  push:
+    branches: [ "*" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  tfcode_path: tfcloud_samples/amazon_ec2
+
+jobs: 
+  aws_tfc_job:
+    name: Create AWS Infra Using TFC
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout tf code in runner environment
+      uses: actions/[email protected]
+
+    # Configure Terraform cloud API token, since we are using Remote backend option of Terraform cloud in AWS code
+    - name: Setup Terraform CLI
+      uses: hashicorp/[email protected]
+      with:
+        cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
+
+    # Add the AWS Creds as ENV variable in TF Cloud workspace, since the tf run happens in TF Cloud environment
+
+    # Call rest of the Terraform commands
+    - name: Terraform init and validate
+      run: |
+        echo `pwd`
+        echo "** Running Terraform Init**"
+        terraform init
+          
+        echo "** Running Terraform Validate**"
+        terraform validate
+      working-directory: ${{ env.tfcode_path }}
+    - name: Terraform plan and apply
+      run: |
+        echo `pwd`   
+        echo "** Running Terraform Plan**"
+        terraform plan
+          
+        echo "** Running Terraform Apply**"
+        terraform apply -auto-approve
+      working-directory: ${{ env.tfcode_path }}
+
+    - name: Terraform Destroy
+      run: |
+        echo "** Running Terraform Destroy**"
+        terraform destroy -auto-approve
+      working-directory: ${{ env.tfcode_path }}

tfcloud_samples/amazon_ec2/TF_README.md

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+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.14.9 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | ~> 3.27 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | 3.75.1 |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_instance.app_server](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/instance) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_instance_count"></a> [instance\_count](#input\_instance\_count) | n/a | `number` | `2` | no |
+| <a name="input_instance_count_needed"></a> [instance\_count\_needed](#input\_instance\_count\_needed) | n/a | `string` | `"true"` | no |
+| <a name="input_region"></a> [region](#input\_region) | n/a | `string` | `"us-west-2"` | no |
+
+## Outputs
+
+No outputs.
+<!-- END_TF_DOCS -->

tfcloud_samples/amazon_ec2/install_docker.sh

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+#!/bin/bash
+# SET UP THE REPOSITORY
+# Update the apt package index and install packages to allow apt to use a repository over HTTPS:
+sudo apt-get update -y 
+sudo apt-get remove -y docker docker-engine docker.io containerd runc
+sudo apt-get install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common
+
+sudo install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+sudo chmod a+r /etc/apt/keyrings/docker.gpg
+
+echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+# Update the apt package index, and install the latest version of Docker Engine and containerd, 
+# or go to the next step to install a specific version:
+sudo apt-get update -y
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io

tfcloud_samples/amazon_ec2/main.tf

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+# Variables Block
+# Common values used across the terraform code can be added as variables
+# We can override the values using .tfvars files while running terraform plan/apply
+variable "region" {
+  default = "us-west-2"
+}
+
+# Terraform Required provider Block
+# In this section, we need to declare the providers and their version constraint used to create the infrastructure
+# It is needed to avoid any version mismatch of the provider 
+# Also it is good to mention what is the required version of Terraform CLI needed for the infra creation
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 3.27"
+    }
+  }
+
+  required_version = ">= 1.0.0"
+
+  backend "remote" {
+    hostname     = "app.terraform.io"
+    organization = "gsaravanan-tf"
+
+    workspaces {
+      name = "example-workspace"
+    }
+  }
+}
+
+# Provider block declares the provider on which the infra will be created
+# For AWS, one way of doing the cred authentication is to install AWS CLI and configure it to add access_key_id and secret_access_key
+provider "aws" {
+  profile = "default"
+  region  = var.region
+}
+
+# Resource Block
+# In this section, we will add the resources that we will be adding and managing in Cloud infra
+# 
+resource "aws_instance" "app_server" {
+  # x86 AMIs with hvm Ubuntu 22.04 -> ami-03f65b8614a860c29, 20.04 -> ami-0c65adc9a5c1b5d7c. Amz Linux ami-07dfed28fcf95241c
+  ami           = "ami-03f65b8614a860c29"
+  instance_type = "t2.micro"
+
+  # We can use the provisioners like user_data to run scripts that will be executed when the instance is getting created.
+  user_data = "./install_docker.sh > /tmp/install_docker.log"
+
+  tags = {
+    Name = "ExampleAppServerInstance"
+  }
+}
+
+# Output Block
+# Here we can print the values of Infra resources that is supported
+# For ex: We are printing instance_id and instance_state
+output "instance_id" {
+  description = "ID of the EC2 instance(s)"
+  value       = aws_instance.app_server.*.id
+}
+
+output "instance_state" {
+  description = "State of the EC2 instance(s)"
+  value       = aws_instance.app_server.*.instance_state
+}