├── Jenkinsfile
├── main.tf
├── output.tf
├── provider.tf
└── variables.tf


/Jenkinsfile:
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 1 | pipeline {
 2 |     agent any
 3 | 
 4 |     parameters {
 5 |         booleanParam(name: 'autoApprove', defaultValue: false, description: 'Automatically run apply after generating plan?')
 6 |         choice(name: 'action', choices: ['apply', 'destroy'], description: 'Select the action to perform')
 7 |     }
 8 | 
 9 |     environment {
10 |         AWS_ACCESS_KEY_ID     = credentials('aws-access-key-id')
11 |         AWS_SECRET_ACCESS_KEY = credentials('aws-secret-access-key')
12 |         AWS_DEFAULT_REGION    = 'ap-south-1'
13 |     }
14 | 
15 |     stages {
16 |         stage('Checkout') {
17 |             steps {
18 |                 git branch: 'main', url: 'https://github.com/CodeSagarOfficial/jenkins-scripts.git'
19 |             }
20 |         }
21 |         stage('Terraform init') {
22 |             steps {
23 |                 sh 'terraform init'
24 |             }
25 |         }
26 |         stage('Plan') {
27 |             steps {
28 |                 sh 'terraform plan -out tfplan'
29 |                 sh 'terraform show -no-color tfplan > tfplan.txt'
30 |             }
31 |         }
32 |         stage('Apply / Destroy') {
33 |             steps {
34 |                 script {
35 |                     if (params.action == 'apply') {
36 |                         if (!params.autoApprove) {
37 |                             def plan = readFile 'tfplan.txt'
38 |                             input message: "Do you want to apply the plan?",
39 |                             parameters: [text(name: 'Plan', description: 'Please review the plan', defaultValue: plan)]
40 |                         }
41 | 
42 |                         sh 'terraform ${action} -input=false tfplan'
43 |                     } else if (params.action == 'destroy') {
44 |                         sh 'terraform ${action} --auto-approve'
45 |                     } else {
46 |                         error "Invalid action selected. Please choose either 'apply' or 'destroy'."
47 |                     }
48 |                 }
49 |             }
50 |         }
51 | 
52 |     }
53 | }


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/main.tf:
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1 | resource "aws_instance" "public_instance" {
2 |  ami           = var.ami
3 |  instance_type = var.instance_type
4 | 
5 |  tags = {
6 |    Name = var.name_tag,
7 |  }
8 | }


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/output.tf:
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1 | output "public_ip" {
2 |  value       = aws_instance.public_instance.public_ip
3 |  description = "Public IP Address of EC2 instance"
4 | }
5 | 
6 | output "instance_id" {
7 |  value       = aws_instance.public_instance.id
8 |  description = "Instance ID"
9 | }


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/provider.tf:
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 1 | terraform {
 2 |   required_providers {
 3 |     aws = {
 4 |       source  = "hashicorp/aws"
 5 |       version = "~> 4.0"
 6 |     }
 7 |   }
 8 | }
 9 | 
10 | provider "aws" {
11 |   access_key = var.aws_access_key
12 |   secret_key = var.aws_secret_key
13 |   region     = var.aws_region
14 | }


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/variables.tf:
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 1 | variable "aws_access_key" {
 2 |   description = "AWS access key"
 3 |   type        = string
 4 |   default     = ""
 5 | }
 6 | 
 7 | variable "aws_secret_key" {
 8 |   description = "AWS secret key"
 9 |   type        = string
10 |   default     = ""
11 | }
12 | 
13 | variable "aws_region" {
14 |   description = "AWS region"
15 |   type        = string
16 |   default     = "ap-south-1"
17 | }
18 | 
19 | 
20 | variable "ami" {
21 |    type        = string
22 |    description = "Ubuntu AMI ID"
23 |    default     = "ami-0f5ee92e2d63afc18"
24 | }
25 | 
26 | variable "instance_type" {
27 |    type        = string
28 |    description = "Instance type"
29 |    default     = "t2.micro"
30 | }
31 | 
32 | variable "name_tag" {
33 |    type        = string
34 |    description = "Name of the EC2 instance"
35 |    default     = "My EC2 Instance"
36 | }
37 | 


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