feat: Add launch_template_tags variable for additional launch template tags (#1835)

Author: baibailiha

modules/eks-managed-node-group/README.md

@@ -129,6 +129,7 @@ module "eks_managed_node_group" {
 | <a name="input_launch_template_default_version"></a> [launch\_template\_default\_version](#input\_launch\_template\_default\_version) | Default version of the launch template | `string` | `null` | no |
 | <a name="input_launch_template_description"></a> [launch\_template\_description](#input\_launch\_template\_description) | Description of the launch template | `string` | `null` | no |
 | <a name="input_launch_template_name"></a> [launch\_template\_name](#input\_launch\_template\_name) | Launch template name - either to be created (`var.create_launch_template` = `true`) or existing (`var.create_launch_template` = `false`) | `string` | `""` | no |
+| <a name="input_launch_template_tags"></a> [launch\_template\_tags](#input\_launch\_template\_tags) | A map of additional tags to add to the tag\_specifications of launch template created | `map(string)` | `{}` | no |
 | <a name="input_launch_template_use_name_prefix"></a> [launch\_template\_use\_name\_prefix](#input\_launch\_template\_use\_name\_prefix) | Determines whether to use `launch_template_name` as is or create a unique name beginning with the `launch_template_name` as the prefix | `bool` | `true` | no |
 | <a name="input_launch_template_version"></a> [launch\_template\_version](#input\_launch\_template\_version) | Launch template version number. The default is `$Default` | `string` | `null` | no |
 | <a name="input_license_specifications"></a> [license\_specifications](#input\_license\_specifications) | A list of license specifications to associate with | `map(string)` | `null` | no |

modules/eks-managed-node-group/main.tf

@@ -238,7 +238,7 @@ resource "aws_launch_template" "this" {
     for_each = toset(["instance", "volume", "network-interface"])
     content {
       resource_type = tag_specifications.key
-      tags          = merge(var.tags, { Name = var.name })
+      tags          = merge(var.tags, { Name = var.name }, var.launch_template_tags)
     }
   }
 

modules/eks-managed-node-group/variables.tf

@@ -238,6 +238,12 @@ variable "placement" {
   default     = null
 }
 
+variable "launch_template_tags" {
+  description = "A map of additional tags to add to the tag_specifications of launch template created"
+  type        = map(string)
+  default     = {}
+}
+
 ################################################################################
 # EKS Managed Node Group
 ################################################################################

modules/self-managed-node-group/README.md

@@ -128,6 +128,7 @@ module "self_managed_node_group" {
 | <a name="input_launch_template_default_version"></a> [launch\_template\_default\_version](#input\_launch\_template\_default\_version) | Default Version of the launch template | `string` | `null` | no |
 | <a name="input_launch_template_description"></a> [launch\_template\_description](#input\_launch\_template\_description) | Description of the launch template | `string` | `null` | no |
 | <a name="input_launch_template_name"></a> [launch\_template\_name](#input\_launch\_template\_name) | Launch template name - either to be created (`var.create_launch_template` = `true`) or existing (`var.create_launch_template` = `false`) | `string` | `null` | no |
+| <a name="input_launch_template_tags"></a> [launch\_template\_tags](#input\_launch\_template\_tags) | A map of additional tags to add to the tag\_specifications of launch template created | `map(string)` | `{}` | no |
 | <a name="input_launch_template_use_name_prefix"></a> [launch\_template\_use\_name\_prefix](#input\_launch\_template\_use\_name\_prefix) | Determines whether to use `launch_template_name` as is or create a unique name beginning with the `launch_template_name` as the prefix | `bool` | `true` | no |
 | <a name="input_launch_template_version"></a> [launch\_template\_version](#input\_launch\_template\_version) | Launch template version. Can be version number, `$Latest`, or `$Default` | `string` | `null` | no |
 | <a name="input_license_specifications"></a> [license\_specifications](#input\_license\_specifications) | A list of license specifications to associate with | `map(string)` | `null` | no |

modules/self-managed-node-group/main.tf

@@ -229,7 +229,7 @@ resource "aws_launch_template" "this" {
     for_each = toset(["instance", "volume", "network-interface"])
     content {
       resource_type = tag_specifications.key
-      tags          = merge(var.tags, { Name = var.name })
+      tags          = merge(var.tags, { Name = var.name }, var.launch_template_tags)
     }
   }
 

modules/self-managed-node-group/variables.tf

@@ -250,6 +250,12 @@ variable "metadata_options" {
   }
 }
 
+variable "launch_template_tags" {
+  description = "A map of additional tags to add to the tag_specifications of launch template created"
+  type        = map(string)
+  default     = {}
+}
+
 ################################################################################
 # Autoscaling group
 ################################################################################

node_groups.tf

@@ -273,6 +273,7 @@ module "eks_managed_node_group" {
   launch_template_use_name_prefix = try(each.value.launch_template_use_name_prefix, var.eks_managed_node_group_defaults.launch_template_use_name_prefix, true)
   launch_template_version         = try(each.value.launch_template_version, var.eks_managed_node_group_defaults.launch_template_version, null)
   launch_template_description     = try(each.value.launch_template_description, var.eks_managed_node_group_defaults.launch_template_description, "Custom launch template for ${try(each.value.name, each.key)} EKS managed node group")
+  launch_template_tags            = try(each.value.launch_template_tags, var.eks_managed_node_group_defaults.launch_template_tags, {})
 
   ebs_optimized                          = try(each.value.ebs_optimized, var.eks_managed_node_group_defaults.ebs_optimized, null)
   key_name                               = try(each.value.key_name, var.eks_managed_node_group_defaults.key_name, null)
@@ -390,6 +391,7 @@ module "self_managed_node_group" {
   launch_template_use_name_prefix = try(each.value.launch_template_use_name_prefix, var.self_managed_node_group_defaults.launch_template_use_name_prefix, true)
   launch_template_version         = try(each.value.launch_template_version, var.self_managed_node_group_defaults.launch_template_version, null)
   launch_template_description     = try(each.value.launch_template_description, var.self_managed_node_group_defaults.launch_template_description, "Custom launch template for ${try(each.value.name, each.key)} self managed node group")
+  launch_template_tags            = try(each.value.launch_template_tags, var.self_managed_node_group_defaults.launch_template_tags, {})
 
   ebs_optimized   = try(each.value.ebs_optimized, var.self_managed_node_group_defaults.ebs_optimized, null)
   ami_id          = try(each.value.ami_id, var.self_managed_node_group_defaults.ami_id, "")