From 7baf1fb7db90b223b78aaa45b2538720de276b50 Mon Sep 17 00:00:00 2001
From: daisukei777 <daisukei@microsoft.com>
Date: Mon, 6 Jul 2020 09:35:59 +0900
Subject: [PATCH] Added an Azure Front Door creation script.

---
 cluster/azure/afd/main.tf      | 79 ++++++++++++++++++++++++++++++++++
 cluster/azure/afd/variables.tf | 50 +++++++++++++++++++++
 2 files changed, 129 insertions(+)
 create mode 100644 cluster/azure/afd/main.tf
 create mode 100644 cluster/azure/afd/variables.tf

diff --git a/cluster/azure/afd/main.tf b/cluster/azure/afd/main.tf
new file mode 100644
index 0000000..9995fae
--- /dev/null
+++ b/cluster/azure/afd/main.tf
@@ -0,0 +1,79 @@
+data "azurerm_resource_group" "cluster" {
+  name = var.resource_group_name
+}
+
+resource "azurerm_frontdoor" "afd" {
+  name                                         = var.front_door_name
+  resource_group_name                          = data.azurerm_resource_group.cluster.name
+  enforce_backend_pools_certificate_name_check = false
+
+  dynamic "routing_rule" {
+    for_each = [for rr in var.routing_rules : {
+      name                = rr.routing_rule_name
+      patterns_to_match   = rr.patterns_to_match
+      forwarding_protocol = rr.forwarding_protocol
+      backend_pool_name   = rr.backend_pool_name
+    }]
+
+    content {
+      name               = routing_rule.value.name
+      accepted_protocols = ["Http", "Https"]
+      patterns_to_match  = routing_rule.value.patterns_to_match
+      frontend_endpoints = ["${var.frontend_endpoint}"]
+      forwarding_configuration {
+        forwarding_protocol = routing_rule.value.forwarding_protocol
+        backend_pool_name   = routing_rule.value.backend_pool_name
+      }
+    }
+  }
+
+  backend_pool_load_balancing {
+    name                            = var.load_balancing_name
+    sample_size                     = var.sample_size
+    successful_samples_required     = var.successful_samples_required
+    additional_latency_milliseconds = var.additional_latency_milliseconds
+  }
+
+  backend_pool_health_probe {
+    name                = var.health_probe_name
+    path                = var.path
+    interval_in_seconds = var.interval_in_seconds
+  }
+
+  dynamic "backend_pool" {
+    for_each = [for bp in var.backendpools : {
+      backend_pool_name = bp.backend_pool_name
+      backends          = bp.backends
+    }]
+
+    content {
+      name                = backend_pool.value.backend_pool_name
+      load_balancing_name = var.load_balancing_name
+      health_probe_name   = var.health_probe_name
+
+      dynamic "backend" {
+        for_each = [for b in backend_pool.value.backends : {
+          address  = b.address
+          priority = b.priority
+          weight   = b.weight
+        }]
+        content {
+          host_header = backend.value.address
+          address     = backend.value.address
+          http_port   = 80
+          https_port  = 443
+          priority    = backend.value.priority
+          weight      = backend.value.weight
+          enabled     = true
+        }
+      }
+    }
+  }
+
+  frontend_endpoint {
+    name                              = var.frontend_endpoint
+    host_name                         = "${var.front_door_name}.azurefd.net"
+    custom_https_provisioning_enabled = false
+  }
+}
+
diff --git a/cluster/azure/afd/variables.tf b/cluster/azure/afd/variables.tf
new file mode 100644
index 0000000..4ed9281
--- /dev/null
+++ b/cluster/azure/afd/variables.tf
@@ -0,0 +1,50 @@
+variable "resource_group_name" {
+  type = string
+}
+
+variable "front_door_name" {
+  type = string
+}
+
+variable "frontend_endpoint" {
+  type = string
+}
+
+variable "load_balancing_name" {
+  type = string
+}
+
+variable "sample_size" {
+  type = number
+}
+
+variable "successful_samples_required" {
+  type = number
+}
+
+variable "additional_latency_milliseconds" {
+  type = number
+}
+
+variable "health_probe_name" {
+  type = string
+}
+
+variable "backendpools" {
+}
+
+variable "routing_rules" {
+}
+
+variable "path" {
+  type = string
+}
+
+variable "interval_in_seconds" {
+  type = number
+}
+
+variable "patterns_to_match" {
+  type    = list(string)
+  default = ["/*"]
+}