issue #36: Create DNS zone for inspection.alpha.canada.ca (#46)

* issue #36: created DNS zone for inspection.alpha.canada.ca

* issue #36: removed unused variables

* issue #36: fixed terraform linting errors

* issue #36: renamed versions.tf to providers.tf

* issue #36: renamed versions.tf to providers.tf for every modules

* issue #36: renamed wronf file

* issue #36: added A records for the DNS zone

* issue #36: deployed ingress nginx on the AKS cluster + folder structure

* issue #36: fixed yaml linting errors

* issue #36: fixed linting yaml error

* issue #36: fixed linting yaml error

* issue #36: fixed linting yaml error

* issue #36: added tags for azurerm_dns_a_record

terraform/modules/azure-dns/dns.tf

@@ -0,0 +1,20 @@
+resource "azurerm_dns_zone" "dns_zone" {
+  name                = var.dns_zone_name
+  resource_group_name = var.rg_name
+
+  soa_record {
+    email = var.soa_record_tech_contact_email
+  }
+
+  tags = var.tags
+}
+
+resource "azurerm_dns_a_record" "dns_zone_a_record" {
+  name                = var.dns_a_record_name
+  zone_name           = azurerm_dns_zone.dns_zone.name
+  resource_group_name = var.rg_name
+  ttl                 = 300
+  records             = var.dns_a_records
+
+  tags = var.tags
+}

terraform/modules/azure-dns/providers.tf

@@ -0,0 +1,11 @@
+terraform {
+
+  required_version = ">= 1.7.2"
+
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = "~> 3.25"
+    }
+  }
+}

terraform/modules/azure-dns/variables.tf

@@ -0,0 +1,29 @@
+variable "rg_name" {
+  description = "Name of the resource group"
+  type        = string
+}
+
+variable "dns_zone_name" {
+  description = "azurerm_dns_zone name"
+  type        = string
+}
+
+variable "tags" {
+  description = "(Optional) A mapping of tags to assign to the resource."
+  type        = map(string)
+}
+
+variable "soa_record_tech_contact_email" {
+  description = "SOA Record tech contact email"
+  type        = string
+}
+
+variable "dns_a_record_name" {
+  description = "DNS A Record name"
+  type        = string
+}
+
+variable "dns_a_records" {
+  description = "DNS A records list"
+  type        = list(string)
+}

terraform/staging/main.tf

@@ -60,6 +60,18 @@ module "cluster-network-0" {
 #   # ..
 # }
 
+module "azure-dns-staging" {
+  source = "../modules/azure-dns"
+
+  rg_name = azurerm_resource_group.rg.name
+
+  dns_zone_name     = var.dns_zone_name
+  dns_a_record_name = var.dns_a_record_name
+  dns_a_records     = var.dns_a_records
+
+  tags                          = var.tags
+  soa_record_tech_contact_email = var.soa_record_tech_contact_email
+}
 
 module "aks-cluster-0" {
 

terraform/staging/variables.tf

@@ -149,6 +149,26 @@ variable "aks_admin_group_object_ids" {
   type        = list(string)
 }
 
+variable "soa_record_tech_contact_email" {
+  description = "SOA Record tech contact email"
+  type        = string
+}
+
+variable "dns_zone_name" {
+  description = "azurerm_dns_zone name"
+  type        = string
+}
+
+variable "dns_a_record_name" {
+  description = "DNS A Record name"
+  type        = string
+}
+
+variable "dns_a_records" {
+  description = "DNS A records list"
+  type        = list(string)
+}
+
 # variable "ad_groups" {
 #   description = "ad groups to be used in aks rolebindings"
 #   type        = list(string)