Add Dynu brownfield DNS inventory outputs and generator

infrastructure/terraform/dynu/inventory.tf

@@ -0,0 +1,16 @@
+data "dynu_dns_records" "root" {
+  hostname = var.dynu_root_domain
+}
+
+locals {
+  dynu_dns_record_name_map = {
+    for record in data.dynu_dns_records.root.records :
+    format(
+      "%s_%s",
+      can(regex("^[a-z]", regexreplace(lower(format("%s_%s", record.hostname, record.record_type)), "[^a-z0-9]+", "_")))
+      ? trim(regexreplace(lower(format("%s_%s", record.hostname, record.record_type)), "[^a-z0-9]+", "_"), "_")
+      : format("record_%s", trim(regexreplace(lower(format("%s_%s", record.hostname, record.record_type)), "[^a-z0-9]+", "_"), "_")),
+      record.id
+    ) => record
+  }
+}