update for tf 0.12

Author: robertpeteuil

main.tf

@@ -1,67 +1,118 @@
-locals {
-  app_service_plan_id = "${var.app_service_plan_id != "" ? var.app_service_plan_id : element(coalescelist(azurerm_app_service_plan.main.*.id, list("")), 0)}"
-
-  container_type   = "${upper(var.container_type)}"
-  container_config = "${base64encode(var.container_config)}"
-
-  app_settings = {
-    "WEBSITES_CONTAINER_START_TIME_LIMIT" = "${var.start_time_limit}"
-    "WEBSITES_ENABLE_APP_SERVICE_STORAGE" = "${var.enable_storage}"
-    "WEBSITES_PORT"                       = "${var.port}"
-    "DOCKER_REGISTRY_SERVER_USERNAME"     = "${var.docker_registry_username}"
-    "DOCKER_REGISTRY_SERVER_URL"          = "${var.docker_registry_url}"
-    "DOCKER_REGISTRY_SERVER_PASSWORD"     = "${var.docker_registry_password}"
-  }
-}
+data "azurerm_client_config" "main" {}
 
 data "azurerm_resource_group" "main" {
-  name = "${var.resource_group_name}"
+  name = var.resource_group_name
 }
 
 resource "azurerm_app_service_plan" "main" {
-  count               = "${var.app_service_plan_id == "" ? 1 : 0}"
-  name                = "${var.name}-plan"
-  location            = "${data.azurerm_resource_group.main.location}"
-  resource_group_name = "${data.azurerm_resource_group.main.name}"
+  count               = local.plan.id == "" ? 1 : 0
+  name                = coalesce(local.plan.name, local.default_plan_name)
+  location            = data.azurerm_resource_group.main.location
+  resource_group_name = data.azurerm_resource_group.main.name
   kind                = "linux"
   reserved            = true
 
   sku {
-    tier = "${var.sku_tier}"
-    size = "${var.sku_size}"
+    tier = local.sku_tiers[local.plan.sku_size]
+    size = local.plan.sku_size
   }
 
-  tags = "${var.tags}"
+  tags = var.tags
 }
 
 resource "azurerm_app_service" "main" {
-  name                = "${var.name}"
-  location            = "${data.azurerm_resource_group.main.location}"
-  resource_group_name = "${data.azurerm_resource_group.main.name}"
-  app_service_plan_id = "${local.app_service_plan_id}"
+  name                = var.name
+  location            = data.azurerm_resource_group.main.location
+  resource_group_name = data.azurerm_resource_group.main.name
+  app_service_plan_id = local.plan_id
+
+  client_affinity_enabled = false
 
-  https_only = "${var.https_only}"
+  https_only = var.https_only
 
   site_config {
-    always_on        = "${var.always_on}"
-    app_command_line = "${var.command}"
-    ftps_state       = "${var.ftps_state}"
-    ip_restriction   = "${var.ip_restrictions}"
-    linux_fx_version = "${local.container_type}|${local.container_type == "DOCKER" ? var.container_image : local.container_config}"
+    always_on        = local.always_on
+    app_command_line = var.command
+    ftps_state       = var.ftps_state
+    ip_restriction   = local.ip_restrictions
+    linux_fx_version = local.linux_fx_version
+
+    use_32_bit_worker_process = local.use_32_bit_worker_process
   }
 
-  app_settings = "${merge(var.app_settings, local.app_settings)}"
+  app_settings = merge(var.app_settings, local.secure_app_settings, local.app_settings)
 
   identity {
-    type = "SystemAssigned"
+    type = (local.identity.enabled ?
+      (local.identity.ids != null ? "SystemAssigned, UserAssigned" : "SystemAssigned") :
+      "None"
+    )
+    identity_ids = local.identity.ids
   }
 
-  tags = "${var.tags}"
+  dynamic "storage_account" {
+    for_each = local.storage_mounts
+    iterator = s
+
+    content {
+      name         = s.value.name
+      type         = s.value.share_name != "" ? "AzureFiles" : "AzureBlob"
+      account_name = s.value.account_name
+      share_name   = s.value.share_name != "" ? s.value.share_name : s.value.container_name
+      access_key   = s.value.access_key
+      mount_path   = s.value.mount_path
+    }
+  }
+
+  dynamic "auth_settings" {
+    for_each = local.auth.enabled ? [local.auth] : []
+
+    content {
+      enabled             = auth_settings.value.enabled
+      issuer              = format("https://sts.windows.net/%s/", data.azurerm_client_config.main.tenant_id)
+      token_store_enabled = local.auth.token_store_enabled
+      additional_login_params = {
+        response_type = "code id_token"
+        resource      = local.auth.active_directory.client_id
+      }
+      default_provider = "AzureActiveDirectory"
+
+      dynamic "active_directory" {
+        for_each = [auth_settings.value.active_directory]
+
+        content {
+          client_id     = active_directory.value.client_id
+          client_secret = active_directory.value.client_secret
+          allowed_audiences = formatlist("https://%s", concat(
+          [format("%s.azurewebsites.net", var.name)], var.custom_hostnames))
+        }
+      }
+    }
+  }
+
+  tags = var.tags
+
+  depends_on = [azurerm_key_vault_secret.main]
 }
 
 resource "azurerm_app_service_custom_hostname_binding" "main" {
-  count               = "${length(var.custom_hostnames)}"
-  hostname            = "${var.custom_hostnames[count.index]}"
-  app_service_name    = "${azurerm_app_service.main.name}"
-  resource_group_name = "${data.azurerm_resource_group.main.name}"
+  count               = length(var.custom_hostnames)
+  hostname            = var.custom_hostnames[count.index]
+  app_service_name    = azurerm_app_service.main.name
+  resource_group_name = data.azurerm_resource_group.main.name
+}
+
+resource "azurerm_key_vault_access_policy" "main" {
+  count              = length(var.secure_app_settings) > 0 ? 1 : 0
+  key_vault_id       = var.key_vault_id
+  tenant_id          = azurerm_app_service.main.identity[0].tenant_id
+  object_id          = azurerm_app_service.main.identity[0].principal_id
+  secret_permissions = ["get"]
+}
+
+resource "azurerm_key_vault_secret" "main" {
+  count        = length(local.key_vault_secrets)
+  key_vault_id = var.key_vault_id
+  name         = local.key_vault_secrets[count.index].name
+  value        = local.key_vault_secrets[count.index].value
 }

outputs.tf

@@ -1,28 +1,39 @@
 output "id" {
-  value = "${azurerm_app_service.main.id}"
-
+  value       = azurerm_app_service.main.id
   description = "The ID of the App Service."
 }
 
-output "hostname" {
-  value = "${azurerm_app_service.main.default_site_hostname}"
+output "name" {
+  value       = azurerm_app_service.main.name
+  description = "The name of the App Service."
+}
 
+output "hostname" {
+  value       = azurerm_app_service.main.default_site_hostname
   description = "The default hostname for the App Service."
 }
 
 output "outbound_ips" {
-  value = "${split(",", azurerm_app_service.main.outbound_ip_addresses)}"
-
+  value       = split(",", azurerm_app_service.main.outbound_ip_addresses)
   description = "A list of outbound IP addresses for the App Service."
 }
 
 output "possible_outbound_ips" {
-  value = "${split(",", azurerm_app_service.main.possible_outbound_ip_addresses)}"
-
+  value       = split(",", azurerm_app_service.main.possible_outbound_ip_addresses)
   description = "A list of possible outbound IP addresses for the App Service. Superset of outbound_ips."
 }
 
-output "principal_id" {
-  value       = "${azurerm_app_service.main.identity.0.principal_id}"
-  description = "The principal ID for the system-assigned identity associated with the App Service."
+output "plan" {
+  value = {
+    id = azurerm_app_service.main.app_service_plan_id
+  }
+  description = "A mapping of App Service plan properties."
+}
+
+output "identity" {
+  value = {
+    principal_id = azurerm_app_service.main.identity[0].principal_id
+    ids          = azurerm_app_service.main.identity[0].identity_ids
+  }
+  description = "A mapping og identity properties for the web app."
 }