feat: Add tags to listener and listener rules (#199)

Author: DrFaust92

README.md

@@ -293,13 +293,13 @@ module "lb" {
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.27 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.40 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.27 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.40 |
 
 ## Modules
 
@@ -329,8 +329,11 @@ No modules.
 | <a name="input_enable_http2"></a> [enable\_http2](#input\_enable\_http2) | Indicates whether HTTP/2 is enabled in application load balancers. | `bool` | `true` | no |
 | <a name="input_extra_ssl_certs"></a> [extra\_ssl\_certs](#input\_extra\_ssl\_certs) | A list of maps describing any extra SSL certificates to apply to the HTTPS listeners. Required key/values: certificate\_arn, https\_listener\_index (the index of the listener within https\_listeners which the cert applies toward). | `list(map(string))` | `[]` | no |
 | <a name="input_http_tcp_listeners"></a> [http\_tcp\_listeners](#input\_http\_tcp\_listeners) | A list of maps describing the HTTP listeners or TCP ports for this ALB. Required key/values: port, protocol. Optional key/values: target\_group\_index (defaults to http\_tcp\_listeners[count.index]) | `any` | `[]` | no |
+| <a name="input_http_tcp_listeners_tags"></a> [http\_tcp\_listeners\_tags](#input\_http\_tcp\_listeners\_tags) | A map of tags to add to all tcp listeners | `map(string)` | `{}` | no |
 | <a name="input_https_listener_rules"></a> [https\_listener\_rules](#input\_https\_listener\_rules) | A list of maps describing the Listener Rules for this ALB. Required key/values: actions, conditions. Optional key/values: priority, https\_listener\_index (default to https\_listeners[count.index]) | `any` | `[]` | no |
+| <a name="input_https_listener_rules_tags"></a> [https\_listener\_rules\_tags](#input\_https\_listener\_rules\_tags) | A map of tags to add to all https listener rules | `map(string)` | `{}` | no |
 | <a name="input_https_listeners"></a> [https\_listeners](#input\_https\_listeners) | A list of maps describing the HTTPS listeners for this ALB. Required key/values: port, certificate\_arn. Optional key/values: ssl\_policy (defaults to ELBSecurityPolicy-2016-08), target\_group\_index (defaults to https\_listeners[count.index]) | `any` | `[]` | no |
+| <a name="input_https_listeners_tags"></a> [https\_listeners\_tags](#input\_https\_listeners\_tags) | A map of tags to add to all https listeners | `map(string)` | `{}` | no |
 | <a name="input_idle_timeout"></a> [idle\_timeout](#input\_idle\_timeout) | The time in seconds that the connection is allowed to be idle. | `number` | `60` | no |
 | <a name="input_internal"></a> [internal](#input\_internal) | Boolean determining if the load balancer is internal or externally facing. | `bool` | `false` | no |
 | <a name="input_ip_address_type"></a> [ip\_address\_type](#input\_ip\_address\_type) | The type of IP addresses used by the subnets for your load balancer. The possible values are ipv4 and dualstack. | `string` | `"ipv4"` | no |

examples/complete-alb/main.tf

@@ -328,6 +328,18 @@ module "alb" {
   target_group_tags = {
     MyGlobalTargetGroupTag = "bar"
   }
+
+  https_listener_rules_tags = {
+    MyLoadBalancerHTTPSListenerRule = "bar"
+  }
+
+  https_listeners_tags = {
+    MyLoadBalancerHTTPSListener = "bar"
+  }
+
+  http_tcp_listeners_tags = {
+    MyLoadBalancerTCPListener = "bar"
+  }
 }
 
 #########################

main.tf

@@ -347,6 +347,12 @@ resource "aws_lb_listener_rule" "https_listener_rule" {
       }
     }
   }
+
+  tags = merge(
+    var.tags,
+    var.https_listener_rules_tags,
+    lookup(var.https_listener_rules[count.index], "tags", {}),
+  )
 }
 
 resource "aws_lb_listener" "frontend_http_tcp" {
@@ -389,6 +395,12 @@ resource "aws_lb_listener" "frontend_http_tcp" {
       }
     }
   }
+
+  tags = merge(
+    var.tags,
+    var.http_tcp_listeners_tags,
+    lookup(var.http_tcp_listeners[count.index], "tags", {}),
+  )
 }
 
 resource "aws_lb_listener" "frontend_https" {
@@ -477,6 +489,12 @@ resource "aws_lb_listener" "frontend_https" {
       target_group_arn = aws_lb_target_group.main[lookup(default_action.value, "target_group_index", count.index)].id
     }
   }
+
+  tags = merge(
+    var.tags,
+    var.https_listeners_tags,
+    lookup(var.https_listeners[count.index], "tags", {}),
+  )
 }
 
 resource "aws_lb_listener_certificate" "https_listener" {

variables.tf

@@ -148,6 +148,25 @@ variable "target_group_tags" {
   default     = {}
 }
 
+variable "https_listener_rules_tags" {
+  description = "A map of tags to add to all https listener rules"
+  type        = map(string)
+  default     = {}
+}
+
+variable "https_listeners_tags" {
+  description = "A map of tags to add to all https listeners"
+  type        = map(string)
+  default     = {}
+}
+
+variable "http_tcp_listeners_tags" {
+  description = "A map of tags to add to all tcp listeners"
+  type        = map(string)
+  default     = {}
+}
+
+
 variable "security_groups" {
   description = "The security groups to attach to the load balancer. e.g. [\"sg-edcd9784\",\"sg-edcd9785\"]"
   type        = list(string)

versions.tf

@@ -2,6 +2,6 @@ terraform {
   required_version = ">= 0.13.1"
 
   required_providers {
-    aws = ">= 3.27"
+    aws = ">= 3.40"
   }
 }