Add Node Labels

README.md

@@ -180,6 +180,14 @@ Type: `string`
 
 Default: `null`
 
+### <a name="input_node_labels"></a> [node\_labels](#input\_node\_labels)
+
+Description: (Optional) A map of Kubernetes labels which should be applied to nodes in this Node Pool.
+
+Type: `map(string)`
+
+Default: `{}`
+
 ### <a name="input_node_pools"></a> [node\_pools](#input\_node\_pools)
 
 Description: A map of node pools that need to be created and attached on the Kubernetes cluster. The key of the map can be the name of the node pool, and the key must be static string. The value of the map is a `node_pool` block as defined below:  
@@ -193,6 +201,7 @@ map(object({
   mode                 = (Optional) Should this Node Pool be used for System or User resources? Possible values are `System` and `User`. Defaults to `User`.  
   os\_disk\_size\_gb      = (Optional) The Agent Operating System disk size in GB. Changing this forces a new resource to be created.  
   tags                 = (Optional) A mapping of tags to assign to the resource. At this time there's a bug in the AKS API where Tags for a Node Pool are not stored in the correct case - you [may wish to use Terraform's `ignore_changes` functionality to ignore changes to the casing](https://www.terraform.io/language/meta-arguments/lifecycle#ignore_changess) until this is fixed in the AKS API.  
+  labels               = (Optional) A map of Kubernetes labels which should be applied to nodes in this Node Pool.  
   zones                = (Optional) Specifies a list of Availability Zones in which this Kubernetes Cluster Node Pool should be located. Changing this forces a new Kubernetes Cluster Node Pool to be created.
 }))
 
@@ -234,6 +243,7 @@ map(object({
     mode            = optional(string)
     os_disk_size_gb = optional(number, null)
     tags            = optional(map(string), {})
+    labels          = optional(map(string), {})
     zones           = optional(set(string))
   }))
 ```

locals.tf

@@ -38,6 +38,7 @@ locals {
         orchestrator_version = pool.orchestrator_version
         max_count            = pool.max_count
         min_count            = pool.min_count
+        labels               = pool.labels
         os_sku               = pool.os_sku
         zone                 = zone
       }

main.tf

@@ -54,6 +54,7 @@ resource "azurerm_kubernetes_cluster" "this" {
     max_count              = 9
     max_pods               = 110
     min_count              = 3
+    node_labels            = var.node_labels
     orchestrator_version   = var.orchestrator_version
     os_sku                 = "Ubuntu"
     tags                   = merge(var.tags, var.agents_tags)
@@ -76,6 +77,7 @@ resource "azurerm_kubernetes_cluster" "this" {
   ## Resources that only support UserAssigned
   dynamic "identity" {
     for_each = local.managed_identities.user_assigned
+
     content {
       type         = identity.value.type
       identity_ids = identity.value.user_assigned_resource_ids
@@ -236,6 +238,7 @@ resource "azurerm_kubernetes_cluster_node_pool" "this" {
   enable_auto_scaling   = true
   max_count             = each.value.max_count
   min_count             = each.value.min_count
+  node_labels           = each.value.labels
   orchestrator_version  = each.value.orchestrator_version
   os_sku                = each.value.os_sku
   tags                  = var.tags

variables.tf

@@ -99,6 +99,12 @@ variable "node_cidr" {
   description = "(Optional) The CIDR to use for node IPs in the Kubernetes cluster. Changing this forces a new resource to be created."
 }
 
+variable "node_labels" {
+  type        = map(string)
+  default     = {}
+  description = "(Optional) A map of Kubernetes labels which should be applied to nodes in this Node Pool."
+}
+
 variable "node_pools" {
   type = map(object({
     name                 = string
@@ -111,6 +117,7 @@ variable "node_pools" {
     mode            = optional(string)
     os_disk_size_gb = optional(number, null)
     tags            = optional(map(string), {})
+    labels          = optional(map(string), {})
     zones           = optional(set(string))
   }))
   default     = {}
@@ -126,6 +133,7 @@ map(object({
   mode                 = (Optional) Should this Node Pool be used for System or User resources? Possible values are `System` and `User`. Defaults to `User`.
   os_disk_size_gb      = (Optional) The Agent Operating System disk size in GB. Changing this forces a new resource to be created.
   tags                 = (Optional) A mapping of tags to assign to the resource. At this time there's a bug in the AKS API where Tags for a Node Pool are not stored in the correct case - you [may wish to use Terraform's `ignore_changes` functionality to ignore changes to the casing](https://www.terraform.io/language/meta-arguments/lifecycle#ignore_changess) until this is fixed in the AKS API.
+  labels               = (Optional) A map of Kubernetes labels which should be applied to nodes in this Node Pool.
   zones                = (Optional) Specifies a list of Availability Zones in which this Kubernetes Cluster Node Pool should be located. Changing this forces a new Kubernetes Cluster Node Pool to be created.
 }))