Remove legacy cloud-init template

The user-data.yml.tftpl file was replaced with OS-specific templates to
support
different init systems. The new templates are
user-data-systemd.yml.tftpl and
user-data-alpine.yml.tftpl, selected based on the VM's OS type.

cloud-init/user-data.yml.tftpl

@@ -1,32 +0,0 @@
-#cloud-config
-
-# 1. Configuration du nom d'hôte de la machine
-hostname: ${hostname}
-fqdn: ${hostname}
-preserve_hostname: false
-
-# 2. Création de l'utilisateur
-users:
-  - name: ${username}
-    sudo: ALL=(ALL) NOPASSWD:ALL
-    groups: sudo, admin
-    shell: /bin/bash
-    ssh_authorized_keys:
-      - ${ssh_key}
-
-# 3. Mise à jour du système
-package_update: true
-package_upgrade: true
-
-# 4. Installation des paquets
-packages:
-  - qemu-guest-agent
-  - curl
-
-# 5. Installation et configuration de Tailscale
-runcmd:
-  # Enable and start qemu-guest-agent (systemd)
-  - [ systemctl, enable, qemu-guest-agent, --now ]
-  # Install and configure Tailscale
-  - [ sh, -c, "curl -fsSL https://tailscale.com/install.sh | sh" ]
-  - [ tailscale, up, --authkey=${tailscale_auth_key}, --hostname=${vm_name} ]

terraform/prod/02-cloud-init.tf

@@ -1,8 +1,18 @@
-# Fichier: terraform/prod/02-cloud-init.tf
+# File: terraform/prod/02-cloud-init.tf
 
 locals {
-  # Utilise le contenu direct si fourni (CI), sinon lit depuis le fichier (local)
+  # Use direct content if provided (CI), otherwise read from file (local).
   ssh_public_key = var.admin_ssh_public_key != "" ? var.admin_ssh_public_key : file(var.admin_ssh_public_key_path)
+
+  # OS -> cloud-init template family mapping.
+  # Selects the correct user-data based on init system / package manager.
+  os_template_family = {
+    ubuntu   = "systemd"
+    debian   = "systemd"
+    rocky    = "systemd"
+    ipfabric = "systemd"
+    alpine   = "alpine"
+  }
 }
 
 resource "proxmox_virtual_environment_file" "cloud_config" {
@@ -13,18 +23,21 @@ resource "proxmox_virtual_environment_file" "cloud_config" {
   content_type = "snippets"
 
   source_raw {
-    data = templatefile("${path.module}/../../cloud-init/user-data.yml.tftpl", {
-      # Variables pour définir les informations de l'utilisateur
-      username = lookup(each.value, "username", var.default_vm_user)
-      ssh_key  = local.ssh_public_key
+    data = templatefile(
+      "${path.module}/../../cloud-init/user-data-${local.os_template_family[each.value.os]}.yml.tftpl",
+      {
+        # User information
+        username = lookup(each.value, "username", var.default_vm_user)
+        ssh_key  = local.ssh_public_key
 
-      # Variables pour définir les informations de la VM
-      hostname = "${each.key}.${var.domain_suffix}"
+        # VM information
+        hostname = "${each.key}.${var.domain_suffix}"
 
-      # Nouvelles variables pour Tailscale
-      vm_name            = each.key # Le nom de la VM (ex: "web-01")
-      tailscale_auth_key = var.tailscale_auth_key
-    })
+        # Tailscale variables
+        vm_name            = each.key
+        tailscale_auth_key = var.tailscale_auth_key
+      }
+    )
 
     file_name = "${each.key}-cloud-init.yml"
   }