refactor(alb): variable object optional attributes with optional value of null

Author: saumitra-dev

modules/alb/README.md

@@ -30,13 +30,13 @@ No modules.
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
 | <a name="input_internal"></a> [internal](#input\_internal) | Either the ALB is internal or internet-facing | `bool` | `false` | no |
-| <a name="input_listeners"></a> [listeners](#input\_listeners) | Listeners to forward ALB ingress to desired Target Groups | <pre>list(object({<br>    default_action = list(object({<br>      type                 = string<br>      target_group         = string<br>      authenticate_cognito = optional(any)<br>      authenticate_oidc    = optional(any)<br>      fixed_response       = optional(any)<br>      forward              = optional(any)<br>      order                = optional(number)<br>      redirect             = optional(any)<br>    }))<br>    alpn_policy           = optional(string)<br>    certificate_arn       = optional(string)<br>    mutual_authentication = optional(any)<br>    port                  = optional(number)<br>    protocol              = optional(string)<br>    ssl_policy            = optional(string)<br>    tags                  = optional(map(any), {})<br>  }))</pre> | n/a | yes |
+| <a name="input_listeners"></a> [listeners](#input\_listeners) | Listeners to forward ALB ingress to desired Target Groups | <pre>list(object({<br>    default_action = list(object({<br>      type                 = string<br>      target_group         = string<br>      authenticate_cognito = optional(any, {})<br>      authenticate_oidc    = optional(any, {})<br>      fixed_response       = optional(any, {})<br>      forward              = optional(any, {})<br>      order                = optional(number)<br>      redirect             = optional(any, {})<br>    }))<br>    alpn_policy           = optional(string)<br>    certificate_arn       = optional(string)<br>    mutual_authentication = optional(any, {})<br>    port                  = optional(number)<br>    protocol              = optional(string)<br>    ssl_policy            = optional(string)<br>    tags                  = optional(map(any), {})<br>  }))</pre> | n/a | yes |
 | <a name="input_name"></a> [name](#input\_name) | Name of the ALB | `string` | `""` | no |
 | <a name="input_preserve_host_header"></a> [preserve\_host\_header](#input\_preserve\_host\_header) | Whether the ALB should preserve the Host Header in HTTP requests and send it to the target without any changes | `bool` | `false` | no |
 | <a name="input_security_groups_ids"></a> [security\_groups\_ids](#input\_security\_groups\_ids) | Identifiers of Security Groups for the ALB | `list(string)` | `[]` | no |
 | <a name="input_subnets_ids"></a> [subnets\_ids](#input\_subnets\_ids) | Identifiers of the VPC Subnets where the ALB will be active | `list(string)` | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | Resource Tags for the ALB | `map(any)` | `{}` | no |
-| <a name="input_target_groups"></a> [target\_groups](#input\_target\_groups) | Target Groups to create and forward ALB ingress to | <pre>map(object({<br>    name         = optional(string)<br>    vpc_id       = optional(string)<br>    port         = optional(number)<br>    protocol     = optional(string)<br>    target_type  = optional(string)<br>    health_check = optional(any)<br>    tags         = optional(map(any), {})<br>  }))</pre> | `{}` | no |
+| <a name="input_target_groups"></a> [target\_groups](#input\_target\_groups) | Target Groups to create and forward ALB ingress to | <pre>map(object({<br>    name         = optional(string)<br>    vpc_id       = optional(string)<br>    port         = optional(number)<br>    protocol     = optional(string)<br>    target_type  = optional(string)<br>    health_check = optional(any, {})<br>    tags         = optional(map(any), {})<br>  }))</pre> | `{}` | no |
 
 ## Outputs
 

modules/alb/variables.tf

@@ -49,7 +49,7 @@ variable "target_groups" {
     port         = optional(number)
     protocol     = optional(string)
     target_type  = optional(string)
-    health_check = optional(any)
+    health_check = optional(any, {})
     tags         = optional(map(any), {})
   }))
   default = {}
@@ -65,16 +65,16 @@ variable "listeners" {
     default_action = list(object({
       type                 = string
       target_group         = string
-      authenticate_cognito = optional(any)
-      authenticate_oidc    = optional(any)
-      fixed_response       = optional(any)
-      forward              = optional(any)
+      authenticate_cognito = optional(any, {})
+      authenticate_oidc    = optional(any, {})
+      fixed_response       = optional(any, {})
+      forward              = optional(any, {})
       order                = optional(number)
-      redirect             = optional(any)
+      redirect             = optional(any, {})
     }))
     alpn_policy           = optional(string)
     certificate_arn       = optional(string)
-    mutual_authentication = optional(any)
+    mutual_authentication = optional(any, {})
     port                  = optional(number)
     protocol              = optional(string)
     ssl_policy            = optional(string)