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deploy done atelier 2

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Johan LEROY
2026-03-31 11:51:58 +02:00
parent 9c848044d9
commit fdbc1d04a3
6 changed files with 109 additions and 68 deletions
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38
README.md
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@@ -1,17 +1,20 @@
# ENI Terraform - Atelier 01 # ENI Terraform - Atelier 02
## Description ## Description
Projet Terraform pour deployer une infrastructure AWS basique dans le cadre du cours ENI. Projet Terraform pour deployer une infrastructure AWS dans le cadre du cours ENI.
### Ressources creees ### Ressources creees
| Ressource | Type | Details | | Ressource | Type | Details |
|-----------|------|---------| |-----------|------|---------|
| VPC | `aws_vpc` | CIDR `10.0.0.0/16` | | VPC | `aws_vpc` | CIDR `10.0.0.0/16` |
| Sous-reseau 1 | `aws_subnet` | CIDR `10.0.1.0/24` - AZ `eu-west-3a` | | Sous-reseau 1 | `aws_subnet` | CIDR `10.0.1.0/24` - AZ dynamique |
| Sous-reseau 2 | `aws_subnet` | CIDR `10.0.2.0/24` - AZ `eu-west-3b` | | Sous-reseau 2 | `aws_subnet` | CIDR `10.0.2.0/24` - AZ dynamique |
| Instance EC2 | `aws_instance` | Type `t3.micro`, disque 30 Go (gp3) | | Instance Ubuntu | `aws_instance` | Type `t3.micro`, sur sous-reseau 1 |
| Instance Amazon Linux | `aws_instance` | Type `t3.micro`, sur sous-reseau 2 |
| Volume EBS Ubuntu | `aws_ebs_volume` | 10 Go gp3, attache a l'instance Ubuntu |
| Volume EBS Amazon Linux | `aws_ebs_volume` | 10 Go gp3, attache a l'instance Amazon Linux |
### Tags appliques ### Tags appliques
@@ -94,7 +97,7 @@ terraform show
terraform state list terraform state list
# Detail d'une ressource specifique # Detail d'une ressource specifique
terraform state show aws_instance.server terraform state show aws_instance.servers[\"ubuntu\"]
# Affiche les outputs (vpc_id, subnet_ids, etc.) # Affiche les outputs (vpc_id, subnet_ids, etc.)
terraform output terraform output
@@ -124,12 +127,13 @@ terraform plan -var-file="custom.tfvars"
``` ```
. .
├── main.tf # Ressources AWS (VPC, subnets, EC2) ├── main.tf # Ressources AWS (VPC, subnets, EC2, EBS)
├── variables.tf # Variables avec valeurs par defaut et validations ├── variables.tf # Variables avec valeurs par defaut et validations
├── outputs.tf # Valeurs de sortie (IDs, IP) ├── outputs.tf # Valeurs de sortie (IDs, IPs)
├── .gitignore # Fichiers exclus du depot ├── .gitignore # Fichiers exclus du depot
├── .terraform.lock.hcl # Verrouillage des versions de providers ├── .terraform.lock.hcl # Verrouillage des versions de providers
├── atelier01.pdf # Enonce de l'atelier ├── atelier01.pdf # Enonce de l'atelier 01
├── atelier02.pdf # Enonce de l'atelier 02
└── README.md # Ce fichier └── README.md # Ce fichier
``` ```
@@ -138,9 +142,10 @@ terraform plan -var-file="custom.tfvars"
| Nom | Description | | Nom | Description |
|-----|-------------| |-----|-------------|
| `vpc_id` | ID du VPC | | `vpc_id` | ID du VPC |
| `subnet_ids` | IDs des 2 sous-reseaux | | `subnet_ids` | Map des IDs des sous-reseaux |
| `instance_id` | ID de l'instance EC2 | | `instance_ids` | Map des IDs des instances EC2 |
| `instance_private_ip` | IP privee de l'instance EC2 | | `instance_private_ips` | Map des IPs privees des instances EC2 |
| `ebs_volume_ids` | Map des IDs des volumes EBS additionnels |
## Variables ## Variables
@@ -151,8 +156,7 @@ terraform plan -var-file="custom.tfvars"
| `course_id` | `cours-tf-aws-s14` | Tag CourseId | | `course_id` | `cours-tf-aws-s14` | Tag CourseId |
| `trigramme` | `jle` | Prefixe des ressources | | `trigramme` | `jle` | Prefixe des ressources |
| `vpc_cidr` | `10.0.0.0/16` | CIDR du VPC | | `vpc_cidr` | `10.0.0.0/16` | CIDR du VPC |
| `subnet_cidrs` | `["10.0.1.0/24", "10.0.2.0/24"]` | CIDRs des sous-reseaux | | `subnets` | `map(object)` | Sous-reseaux avec name et cidr |
| `availability_zones` | `["eu-west-3a", "eu-west-3b"]` | Zones de disponibilite | | `instances` | `map(object)` | Instances avec ami, type et subnet_key |
| `ami_id` | `ami-03638fc4f87bac487` | AMI de l'instance | | `root_volume_size` | `30` | Taille du disque racine (Go) |
| `instance_type` | `t3.micro` | Type d'instance | | `ebs_volume_size` | `10` | Taille du volume EBS additionnel (Go) |
| `root_volume_size` | `30` | Taille du disque (Go) |

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48
main.tf
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@@ -21,6 +21,11 @@ provider "aws" {
} }
} }
# --- Zones de disponibilite ---
data "aws_availability_zones" "available" {
state = "available"
}
# --- VPC --- # --- VPC ---
resource "aws_vpc" "main" { resource "aws_vpc" "main" {
cidr_block = var.vpc_cidr cidr_block = var.vpc_cidr
@@ -34,24 +39,24 @@ resource "aws_vpc" "main" {
# --- Sous-reseaux --- # --- Sous-reseaux ---
resource "aws_subnet" "subnets" { resource "aws_subnet" "subnets" {
count = length(var.subnet_cidrs) for_each = var.subnets
vpc_id = aws_vpc.main.id vpc_id = aws_vpc.main.id
cidr_block = var.subnet_cidrs[count.index] cidr_block = each.value.cidr
availability_zone = var.availability_zones[count.index] availability_zone = data.aws_availability_zones.available.names[index(keys(var.subnets), each.key)]
tags = { tags = {
Name = "${var.trigramme}-subnet-${count.index + 1}" Name = "${var.trigramme}-${each.value.name}"
} }
} }
# --- AMI --- # --- Instances EC2 ---
resource "aws_instance" "servers" {
for_each = var.instances
# --- Instance EC2 --- ami = each.value.ami
resource "aws_instance" "server" { instance_type = each.value.instance_type
ami = var.ami_id subnet_id = aws_subnet.subnets[each.value.subnet_key].id
instance_type = var.instance_type
subnet_id = aws_subnet.subnets[0].id
root_block_device { root_block_device {
volume_size = var.root_volume_size volume_size = var.root_volume_size
@@ -59,6 +64,27 @@ resource "aws_instance" "server" {
} }
tags = { tags = {
Name = "${var.trigramme}-instance" Name = "${var.trigramme}-${each.key}"
} }
} }
# --- Volumes EBS additionnels ---
resource "aws_ebs_volume" "additional" {
for_each = var.instances
availability_zone = aws_instance.servers[each.key].availability_zone
size = var.ebs_volume_size
type = "gp3"
tags = {
Name = "${var.trigramme}-ebs-${each.key}"
}
}
resource "aws_volume_attachment" "attach" {
for_each = var.instances
device_name = "/dev/sdf"
volume_id = aws_ebs_volume.additional[each.key].id
instance_id = aws_instance.servers[each.key].id
}

19
outputs.tf
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@@ -5,15 +5,20 @@ output "vpc_id" {
output "subnet_ids" { output "subnet_ids" {
description = "IDs des sous-reseaux" description = "IDs des sous-reseaux"
value = aws_subnet.subnets[*].id value = { for k, s in aws_subnet.subnets : k => s.id }
} }
output "instance_id" { output "instance_ids" {
description = "ID de l'instance EC2" description = "IDs des instances EC2"
value = aws_instance.server.id value = { for k, i in aws_instance.servers : k => i.id }
} }
output "instance_private_ip" { output "instance_private_ips" {
description = "IP privee de l'instance EC2" description = "IPs privees des instances EC2"
value = aws_instance.server.private_ip value = { for k, i in aws_instance.servers : k => i.private_ip }
}
output "ebs_volume_ids" {
description = "IDs des volumes EBS additionnels"
value = { for k, v in aws_ebs_volume.additional : k => v.id }
} }

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72
variables.tf
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@@ -59,42 +59,42 @@ variable "vpc_cidr" {
} }
} }
variable "subnet_cidrs" { variable "subnets" {
description = "Liste des CIDR pour les sous-reseaux (un par AZ)" description = "Map des sous-reseaux avec name et cidr"
type = list(string) type = map(object({
default = ["10.0.1.0/24", "10.0.2.0/24"] name = string
cidr = string
validation { }))
condition = length(var.subnet_cidrs) == 2 default = {
error_message = "Il faut exactement 2 sous-reseaux." subnet1 = {
name = "subnet-1"
cidr = "10.0.1.0/24"
}
subnet2 = {
name = "subnet-2"
cidr = "10.0.2.0/24"
}
} }
} }
variable "availability_zones" { variable "instances" {
description = "Liste des zones de disponibilite" description = "Map des instances EC2 avec ami, type et subnet"
type = list(string) type = map(object({
default = ["eu-west-3a", "eu-west-3b"] ami = string
instance_type = string
validation { subnet_key = string
condition = length(var.availability_zones) == 2 }))
error_message = "Il faut exactement 2 zones de disponibilite." default = {
} ubuntu = {
} ami = "ami-03638fc4f87bac487"
instance_type = "t3.micro"
variable "ami_id" { subnet_key = "subnet1"
description = "ID de l'AMI pour l'instance EC2" }
type = string amazon_linux = {
default = "ami-03638fc4f87bac487" ami = "ami-063039a3666cc5ce3"
} instance_type = "t3.micro"
subnet_key = "subnet2"
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."
} }
} }
@@ -108,3 +108,9 @@ variable "root_volume_size" {
error_message = "La taille du disque doit etre entre 1 et 30 Go." error_message = "La taille du disque doit etre entre 1 et 30 Go."
} }
} }
variable "ebs_volume_size" {
description = "Taille du volume EBS additionnel en Go"
type = number
default = 10
}