first commit

.gitignore

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+# Terraform
+.terraform/
+*.tfstate
+*.tfstate.backup
+*.tfvars
+
+# IDE
+.idea/

.terraform.lock.hcl

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+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version     = "5.100.0"
+  constraints = "~> 5.0"
+  hashes = [
+    "h1:edXOJWE4ORX8Fm+dpVpICzMZJat4AX0VRCAy/xkcOc0=",
+    "zh:054b8dd49f0549c9a7cc27d159e45327b7b65cf404da5e5a20da154b90b8a644",
+    "zh:0b97bf8d5e03d15d83cc40b0530a1f84b459354939ba6f135a0086c20ebbe6b2",
+    "zh:1589a2266af699cbd5d80737a0fe02e54ec9cf2ca54e7e00ac51c7359056f274",
+    "zh:6330766f1d85f01ae6ea90d1b214b8b74cc8c1badc4696b165b36ddd4cc15f7b",
+    "zh:7c8c2e30d8e55291b86fcb64bdf6c25489d538688545eb48fd74ad622e5d3862",
+    "zh:99b1003bd9bd32ee323544da897148f46a527f622dc3971af63ea3e251596342",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:9f8b909d3ec50ade83c8062290378b1ec553edef6a447c56dadc01a99f4eaa93",
+    "zh:aaef921ff9aabaf8b1869a86d692ebd24fbd4e12c21205034bb679b9caf883a2",
+    "zh:ac882313207aba00dd5a76dbd572a0ddc818bb9cbf5c9d61b28fe30efaec951e",
+    "zh:bb64e8aff37becab373a1a0cc1080990785304141af42ed6aa3dd4913b000421",
+    "zh:dfe495f6621df5540d9c92ad40b8067376350b005c637ea6efac5dc15028add4",
+    "zh:f0ddf0eaf052766cfe09dea8200a946519f653c384ab4336e2a4a64fdd6310e9",
+    "zh:f1b7e684f4c7ae1eed272b6de7d2049bb87a0275cb04dbb7cda6636f600699c9",
+    "zh:ff461571e3f233699bf690db319dfe46aec75e58726636a0d97dd9ac6e32fb70",
+  ]
+}

main.tf

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+terraform {
+  required_version = ">= 1.0"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = var.aws_region
+
+  default_tags {
+    tags = {
+      Owner    = var.owner
+      CourseId = var.course_id
+    }
+  }
+}
+
+# --- VPC ---
+resource "aws_vpc" "main" {
+  cidr_block           = var.vpc_cidr
+  enable_dns_support   = true
+  enable_dns_hostnames = true
+
+  tags = {
+    Name = "${var.trigramme}-vpc"
+  }
+}
+
+# --- Sous-reseaux ---
+resource "aws_subnet" "subnets" {
+  count = length(var.subnet_cidrs)
+
+  vpc_id            = aws_vpc.main.id
+  cidr_block        = var.subnet_cidrs[count.index]
+  availability_zone = var.availability_zones[count.index]
+
+  tags = {
+    Name = "${var.trigramme}-subnet-${count.index + 1}"
+  }
+}
+
+# --- AMI Amazon Linux 2023 (derniere version) ---
+data "aws_ami" "amazon_linux" {
+  most_recent = true
+  owners      = ["amazon"]
+
+  filter {
+    name   = "name"
+    values = ["al2023-ami-*-x86_64"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+}
+
+# --- Instance EC2 ---
+resource "aws_instance" "server" {
+  ami           = data.aws_ami.amazon_linux.id
+  instance_type = var.instance_type
+  subnet_id     = aws_subnet.subnets[0].id
+
+  root_block_device {
+    volume_size = var.root_volume_size
+    volume_type = "gp3"
+  }
+
+  tags = {
+    Name = "${var.trigramme}-instance"
+  }
+}

outputs.tf

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+output "vpc_id" {
+  description = "ID du VPC"
+  value       = aws_vpc.main.id
+}
+
+output "subnet_ids" {
+  description = "IDs des sous-reseaux"
+  value       = aws_subnet.subnets[*].id
+}
+
+output "instance_id" {
+  description = "ID de l'instance EC2"
+  value       = aws_instance.server.id
+}
+
+output "instance_private_ip" {
+  description = "IP privee de l'instance EC2"
+  value       = aws_instance.server.private_ip
+}

variables.tf

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+variable "aws_region" {
+  description = "Region AWS de deploiement"
+  type        = string
+  default     = "eu-west-3"
+
+  validation {
+    condition     = can(regex("^eu-west-3$", var.aws_region))
+    error_message = "La region doit etre eu-west-3."
+  }
+}
+
+variable "owner" {
+  description = "Identifiant du proprietaire des ressources (tag Owner)"
+  type        = string
+  default     = "johan.leroy2023"
+
+  validation {
+    condition     = length(var.owner) > 0
+    error_message = "Le owner ne peut pas etre vide."
+  }
+}
+
+variable "course_id" {
+  description = "Identifiant du cours (tag CourseId)"
+  type        = string
+  default     = "cours-tf-aws-s14"
+
+  validation {
+    condition     = length(var.course_id) > 0
+    error_message = "Le CourseId ne peut pas etre vide."
+  }
+}
+
+variable "trigramme" {
+  description = "Trigramme pour prefixer les ressources"
+  type        = string
+  default     = "jle"
+
+  validation {
+    condition     = can(regex("^[a-z]{3}$", var.trigramme))
+    error_message = "Le trigramme doit etre compose de 3 lettres minuscules."
+  }
+}
+
+variable "vpc_cidr" {
+  description = "CIDR du VPC"
+  type        = string
+  default     = "10.0.0.0/16"
+
+  validation {
+    condition     = can(cidrhost(var.vpc_cidr, 0))
+    error_message = "Le CIDR du VPC doit etre un bloc CIDR valide."
+  }
+}
+
+variable "subnet_cidrs" {
+  description = "Liste des CIDR pour les sous-reseaux (un par AZ)"
+  type        = list(string)
+  default     = ["10.0.1.0/24", "10.0.2.0/24"]
+
+  validation {
+    condition     = length(var.subnet_cidrs) == 2
+    error_message = "Il faut exactement 2 sous-reseaux."
+  }
+}
+
+variable "availability_zones" {
+  description = "Liste des zones de disponibilite"
+  type        = list(string)
+  default     = ["eu-west-3a", "eu-west-3b"]
+
+  validation {
+    condition     = length(var.availability_zones) == 2
+    error_message = "Il faut exactement 2 zones de disponibilite."
+  }
+}
+
+variable "instance_type" {
+  description = "Type d'instance EC2"
+  type        = string
+  default     = "t3.micro"
+
+  validation {
+    condition     = var.instance_type == "t3.micro"
+    error_message = "Le type d'instance doit etre t3.micro."
+  }
+}
+
+variable "root_volume_size" {
+  description = "Taille du disque racine en Go (max 30)"
+  type        = number
+  default     = 30
+
+  validation {
+    condition     = var.root_volume_size > 0 && var.root_volume_size <= 30
+    error_message = "La taille du disque doit etre entre 1 et 30 Go."
+  }
+}