feat(module): adding DNS module

This module create entries on a DNS Server with DNSUPDATE.

extracted from "Cadoles Production v2 project"

modules/cadolesDNS/main.tf

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+// Dependencies management
+resource "null_resource" "depends_on" {
+  triggers = {
+    depends_on = join("", var.depends)
+  }
+}
+
+resource "dns_a_record_set" "a_records" {    
+  for_each = var.dns_a_records
+
+  zone = var.dns_domain
+  name = each.key
+  ttl = 300
+
+  addresses = each.value
+  depends_on = [ null_resource.depends_on ]
+}
+
+resource "dns_cname_record" "cname_records" {    
+  for_each = var.dns_cname_records
+
+  zone  = var.dns_domain 
+  name  = each.key
+  cname = each.value
+  ttl   = 300
+
+  depends_on = [ null_resource.depends_on ]
+}

modules/cadolesDNS/variables.tf

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+variable "dns_domain" {
+  description = "DNS Domain name (FQDN)"
+  type = string
+  default = "cadoles.com."
+}
+
+variable "dns_a_records" {
+  description = "List of dns A records to create"
+  type = map
+  default = {}
+}
+
+variable "dns_cname_records" {
+  description =  "List of CNAME entires"
+  type = map
+  default = {}
+}
+
+variable "depends" {
+  description = "List of output_variables for dependences management"
+  type = list
+  default = []
+}