Allow customizing the default target group name, target type, and tags (

#29)

* Allow for specifying default target group name, type and tags

* Update documentation

* Revert "Update documentation"

This reverts commit c48f854.

* Update documentation (hopefully) properly

* Merge additional target group tags with label tags

README.md

@@ -118,7 +118,10 @@ Available targets:
 | stage | Stage, e.g. `prod`, `staging`, `dev`, or `test` | string | - | yes |
 | subnet_ids | A list of subnet IDs to associate with ALB | list | - | yes |
 | tags | Additional tags (e.g. `map(`BusinessUnit`,`XYZ`) | map | `<map>` | no |
+| target_group_additional_tags | The additional tags to apply to the target group | map | `<map>` | no |
+| target_group_name | The name for the default target group, uses a module label name if left empty | string | `` | no |
 | target_group_port | The port for the default target group | string | `80` | no |
+| target_group_target_type | The type (instance, ip or lambda) of targets that can be registered with the target group | string | `ip` | no |
 | vpc_id | VPC ID to associate with ALB | string | - | yes |
 
 ## Outputs
@@ -276,13 +279,13 @@ Check out [our other projects][github], [follow us on twitter][twitter], [apply
 |---|---|---|---|
 
   [osterman_homepage]: https://github.com/osterman
-  [osterman_avatar]: https://github.com/osterman.png?size=150
+  [osterman_avatar]: https://img.cloudposse.com/150x150/https://github.com/osterman.png
   [goruha_homepage]: https://github.com/goruha
-  [goruha_avatar]: https://github.com/goruha.png?size=150
+  [goruha_avatar]: https://img.cloudposse.com/150x150/https://github.com/goruha.png
   [aknysh_homepage]: https://github.com/aknysh
-  [aknysh_avatar]: https://github.com/aknysh.png?size=150
+  [aknysh_avatar]: https://img.cloudposse.com/150x150/https://github.com/aknysh.png
   [sarkis_homepage]: https://github.com/sarkis
-  [sarkis_avatar]: https://github.com/sarkis.png?size=150
+  [sarkis_avatar]: https://img.cloudposse.com/150x150/https://github.com/sarkis.png
 
 
 

docs/terraform.md

@@ -37,7 +37,10 @@
 | stage | Stage, e.g. `prod`, `staging`, `dev`, or `test` | string | - | yes |
 | subnet_ids | A list of subnet IDs to associate with ALB | list | - | yes |
 | tags | Additional tags (e.g. `map(`BusinessUnit`,`XYZ`) | map | `<map>` | no |
+| target_group_additional_tags | The additional tags to apply to the target group | map | `<map>` | no |
+| target_group_name | The name for the default target group, uses a module label name if left empty | string | `` | no |
 | target_group_port | The port for the default target group | string | `80` | no |
+| target_group_target_type | The type (instance, ip or lambda) of targets that can be registered with the target group | string | `ip` | no |
 | vpc_id | VPC ID to associate with ALB | string | - | yes |
 
 ## Outputs

main.tf

@@ -89,11 +89,11 @@ module "default_target_group_label" {
 }
 
 resource "aws_lb_target_group" "default" {
-  name                 = "${module.default_target_group_label.id}"
+  name                 = "${var.target_group_name == "" ? module.default_target_group_label.id : var.target_group_name}"
   port                 = "${var.target_group_port}"
   protocol             = "HTTP"
   vpc_id               = "${var.vpc_id}"
-  target_type          = "ip"
+  target_type          = "${var.target_group_target_type}"
   deregistration_delay = "${var.deregistration_delay}"
 
   health_check {
@@ -108,6 +108,8 @@ resource "aws_lb_target_group" "default" {
   lifecycle {
     create_before_destroy = true
   }
+
+  tags = "${merge(module.default_target_group_label.tags, var.target_group_additional_tags)}"
 }
 
 resource "aws_lb_listener" "http" {

variables.tf

@@ -211,3 +211,21 @@ variable "target_group_port" {
   description = "The port for the default target group"
   default     = "80"
 }
+
+variable "target_group_name" {
+  type        = "string"
+  default     = ""
+  description = "The name for the default target group, uses a module label name if left empty"
+}
+
+variable "target_group_target_type" {
+  type        = "string"
+  default     = "ip"
+  description = "The type (instance, ip or lambda) of targets that can be registered with the target group"
+}
+
+variable "target_group_additional_tags" {
+  type        = "map"
+  default     = {}
+  description = "The additional tags to apply to the target group"
+}