[AVM Module Issue]: Getting Error On Terraform Plan

[nrv-96]

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Issue Type?

Bug

(Optional) Module Version

"0.1.0"

(Optional) Correlation Id

No response

Description

I have below code:
main.tf

module "naming" {
source = "Azure/naming/azurerm"
version = ">= 0.4.1"
}

resource "azurerm_resource_group" "rg" {
location = var.location
name = module.naming.resource_group.name_unique
}

resource "azurerm_user_assigned_identity" "user_identity" {
location = azurerm_resource_group.rg.location
name = var.kubernetes_cluster_name
resource_group_name = azurerm_resource_group.rg.name
}

module "aks" {
source = "Azure/avm-ptn-aks-production/azurerm"
kubernetes_version = var.kubernetes_version
enable_telemetry = var.enable_telemetry
name = module.naming.kubernetes_cluster.name_unique
resource_group_name = azurerm_resource_group.rg.name
managed_identities = {
user_assigned_resource_ids = [
azurerm_user_assigned_identity.user_identity.id
]
}

location = azurerm_resource_group.rg.location
node_pools = {
workload = {
name = var.system_node_pool_name
vm_size = var.vm_size
orchestrator_version = var.kubernetes_version
max_count = 10
min_count = 1
os_sku = var.os_sku
mode = var.mode
}
}
}

Provider.tf

terraform {
required_version = ">= 1.3.0"
required_providers {
azurerm = {
source = "hashicorp/azurerm"
version = ">= 3.7.0, < 4.0.0"
}
}
}

provider "azurerm" {
features {
resource_group {
prevent_deletion_if_contains_resources = false
}
}
}

Variable.tf

variable "enable_telemetry" {
type = bool
default = true
description = <<DESCRIPTION
This variable controls whether or not telemetry is enabled for the module.
For more information see https://aka.ms/avm/telemetryinfo.
If it is set to false, then no telemetry will be collected.
DESCRIPTION
}

variable "kubernetes_cluster_name" {
type = string
default = "demoaks"
description = "The name of the Kubernetes cluster."
}
variable "location" {
type = string
default = "eastus"
description = "value of the resource group location"
}
variable "kubernetes_version" {
type = string
default = "1.29.4"
description = "value of the kubernetes version"
}
variable "system_node_pool_name" {
type = string
default = "systemnode"
description = "Define the name of system node pool name"
validation {
condition = can(regex("^([a-z])([a-z0-9]){0,11}$", var.system_node_pool_name))
error_message = "Name must begin with a lowercase letter, contain only lowercase letters and numbers, and be between 1 and 12 characters in length."
}
}
variable "mode" {
type = string
default = "System" #System or User
description = "Define the mode of the cluster's Node"
}
variable "os_sku" {
type = string
default = "Ubuntu" #Ubuntu, CBLMariner, Mariner, Windows2019, Windows2022.
description = "value of the System Node OS Sku"
}
variable "vm_size" {
type = string
default = "Standard_B2s"
description = "value of the System Node VM Size"
}
variable "subscription_id" {
default = ""
type = string
}

variable "tenant_id" {
default = ""
type = string
}

variable "client_id" {
default = ""
type = string
}

variable "client_secret" {
default = ""
type = string
}

Getting Below Error While Terraform Plan:

Error: the "name" must begin with a lowercase letter, contain only lowercase letters and numbers and be between 1 and 12 characters in length, got "npnpsystmnodp1"
│
│ with module.aks.azurerm_kubernetes_cluster_node_pool.this["npsystmnodp1"],
│ on .terraform\modules\aks\main.tf line 225, in resource "azurerm_kubernetes_cluster_node_pool" "this":
│ 225: name = "np${each.value.name}"
│
╵
╷
│ Error: the "name" must begin with a lowercase letter, contain only lowercase letters and numbers and be between 1 and 12 characters in length, got "npnpsystmnodp2"
│
│ with module.aks.azurerm_kubernetes_cluster_node_pool.this["npsystmnodp2"],
│ on .terraform\modules\aks\main.tf line 225, in resource "azurerm_kubernetes_cluster_node_pool" "this":
│ 225: name = "np${each.value.name}"
│
╵
╷
│ Error: the "name" must begin with a lowercase letter, contain only lowercase letters and numbers and be between 1 and 12 characters in length, got "npnpsystmnodp3"
│
│ with module.aks.azurerm_kubernetes_cluster_node_pool.this["npsystmnodp3"],
│ on .terraform\modules\aks\main.tf line 225, in resource "azurerm_kubernetes_cluster_node_pool" "this":
│ 225: name = "np${each.value.name}"
│

[zioproto]

hello @nrv-96 . The problem is the nodepool name that is too long

│ Error: the "name" must begin with a lowercase letter, contain only lowercase letters and numbers and be between 1 and 12 characters in length, got "npnpsystmnodp3"

[nrv-96]

@zioproto , Can you please add custom option enable and disable for log analytics and ACR registry?

[zioproto]

@zioproto , Can you please add custom option enable and disable for log analytics and ACR registry?

Sorry, this is a "pattern" module that includes ACR and Log Analytics. If you need more flexibility you should use https://github.com/Azure/terraform-azurerm-aks