Merge pull request #2 from cruxstack/anti-ddos

feat: handle null values for managed_rule_group_configs

Author: sgtoj

main.tf

@@ -135,7 +135,7 @@ resource "aws_wafv2_web_acl" "main" {
             version     = lookup(managed_rule_group_statement.value, "version", null)
 
             dynamic "managed_rule_group_configs" {
-              for_each = length(lookup(managed_rule_group_statement.value, "managed_rule_group_configs", {})) == 0 ? [] : [lookup(managed_rule_group_statement.value, "managed_rule_group_configs", {})]
+              for_each = contains(["AWSManagedRulesBotControlRuleSet", "AWSManagedRulesAntiDDoSRuleSet"], lookup(managed_rule_group_statement.value, "name")) ? [lookup(managed_rule_group_statement.value, "managed_rule_group_configs", {})] : []
               content {
                 dynamic "aws_managed_rules_bot_control_rule_set" {
                   for_each = lookup(managed_rule_group_statement.value, "name") == "AWSManagedRulesBotControlRuleSet" ? [lookup(managed_rule_group_configs.value, "aws_managed_rules_bot_control_rule_set", {})] : []