Fix vpc module

modules/vpc/README.md

@@ -22,7 +22,7 @@ This module creates following resources.
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.6 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.58 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.3 |
 
 ## Providers
 

modules/vpc/variables.tf

@@ -173,6 +173,23 @@ variable "default_network_acl" {
   })
   default  = {}
   nullable = false
+
+  validation {
+    condition = alltrue([
+      for rule in var.default_network_acl.ingress_rules :
+      contains(["ALLOW", "DENY"], rule.action)
+      if var.default_network_acl.ingress_rules != null
+    ])
+    error_message = "Valid values for `action` of each rules are `ALLOW` and `DENY`."
+  }
+  validation {
+    condition = alltrue([
+      for rule in var.default_network_acl.egress_rules :
+      contains(["ALLOW", "DENY"], rule.action)
+      if var.default_network_acl.egress_rules != null
+    ])
+    error_message = "Valid values for `action` of each rules are `ALLOW` and `DENY`."
+  }
 }
 
 variable "default_security_group" {

modules/vpc/versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.58"
+      version = ">= 5.3"
     }
   }
 }