ISSUE-31 - Add an option to create a randomized name (#33)

README.md

@@ -44,12 +44,13 @@ In order to run all checks at any point run the following command:
 | Name | Version |
 |------|---------|
 | <a name="provider_aws"></a> [aws](#provider\_aws) | 4.24.0 |
+| <a name="provider_random"></a> [random](#provider\_random) | 3.3.2 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module_lb_logs_s3"></a> [lb\_logs\_s3](#module\_lb\_logs\_s3) | cn-terraform/logs-s3-bucket/aws | 1.0.2 |
+| <a name="module_lb_logs_s3"></a> [lb\_logs\_s3](#module\_lb\_logs\_s3) | cn-terraform/logs-s3-bucket/aws | 1.0.3 |
 
 ## Resources
 
@@ -64,6 +65,7 @@ In order to run all checks at any point run the following command:
 | [aws_security_group.lb_access_sg](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) | resource |
 | [aws_security_group_rule.ingress_through_http](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
 | [aws_security_group_rule.ingress_through_https](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
+| [random_string.lb_name](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/string) | resource |
 | [aws_elb_service_account.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/elb_service_account) | data source |
 
 ## Inputs
@@ -107,6 +109,7 @@ In order to run all checks at any point run the following command:
 | <a name="input_target_group_health_check_path"></a> [target\_group\_health\_check\_path](#input\_target\_group\_health\_check\_path) | The destination for the health check request. | `string` | `"/"` | no |
 | <a name="input_target_group_health_check_timeout"></a> [target\_group\_health\_check\_timeout](#input\_target\_group\_health\_check\_timeout) | (Optional) The amount of time, in seconds, during which no response means a failed health check. The range is 2 to 120 seconds, and the default is 5 seconds. | `number` | `5` | no |
 | <a name="input_target_group_health_check_unhealthy_threshold"></a> [target\_group\_health\_check\_unhealthy\_threshold](#input\_target\_group\_health\_check\_unhealthy\_threshold) | (Optional) The number of consecutive health check failures required before considering the target unhealthy. Defaults to 3. | `number` | `3` | no |
+| <a name="input_use_random_name_for_lb"></a> [use\_random\_name\_for\_lb](#input\_use\_random\_name\_for\_lb) | If true the LB name will be a random string | `bool` | `false` | no |
 | <a name="input_vpc_id"></a> [vpc\_id](#input\_vpc\_id) | ID of the VPC | `any` | n/a | yes |
 
 ## Outputs

main.tf

@@ -23,8 +23,16 @@ module "lb_logs_s3" {
 #------------------------------------------------------------------------------
 # APPLICATION LOAD BALANCER
 #------------------------------------------------------------------------------
+resource "random_string" "lb_name" {
+  count   = var.use_random_name_for_lb ? 1 : 0
+  length  = 32
+  numeric = true
+  special = false
+}
+
 resource "aws_lb" "lb" {
-  name                             = "${var.name_prefix}-lb"
+  name = var.use_random_name_for_lb ? random_string.lb_name[0].result : substr("${var.name_prefix}-lb", 0, 31)
+
   internal                         = var.internal
   load_balancer_type               = "application"
   drop_invalid_header_fields       = var.drop_invalid_header_fields

variables.tf

@@ -5,6 +5,12 @@ variable "name_prefix" {
   description = "Name prefix for resources on AWS"
 }
 
+variable "use_random_name_for_lb" {
+  description = "If true the LB name will be a random string"
+  type        = bool
+  default     = false
+}
+
 variable "tags" {
   type        = map(string)
   default     = {}