feat: optional resources

Author: Leonid_Frolov1

main.tf

@@ -4,11 +4,15 @@ locals {
 }
 
 data "azurerm_key_vault_secret" "sp_client_id" {
+  count = var.mountpoints == {} ? 0 : 1
+
   name         = var.sp_client_id_secret_name
   key_vault_id = var.key_vault_id
 }
 
 data "azurerm_key_vault_secret" "sp_key" {
+  count = var.mountpoints == {} ? 0 : 1
+
   name         = var.sp_key_secret_name
   key_vault_id = var.key_vault_id
 }

mount.tf

@@ -10,11 +10,11 @@ resource "databricks_mount" "adls" {
     } : {
     "fs.azure.account.auth.type" : "OAuth",
     "fs.azure.account.oauth.provider.type" : "org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider",
-    "fs.azure.account.oauth2.client.id" : data.azurerm_key_vault_secret.sp_client_id.value,
-    "fs.azure.account.oauth2.client.secret" : databricks_secret.main[data.azurerm_key_vault_secret.sp_key.name].config_reference,
+    "fs.azure.account.oauth2.client.id" : data.azurerm_key_vault_secret.sp_client_id[0].value,
+    "fs.azure.account.oauth2.client.secret" : databricks_secret.main[data.azurerm_key_vault_secret.sp_key[0].name].config_reference,
     "fs.azure.account.oauth2.client.endpoint" : "https://login.microsoftonline.com/${data.azurerm_key_vault_secret.tenant_id.value}/oauth2/token",
     "fs.azure.createRemoteFileSystemDuringInitialization" : "false",
-    "spark.databricks.sqldw.jdbc.service.principal.client.id" : data.azurerm_key_vault_secret.sp_client_id.value,
-    "spark.databricks.sqldw.jdbc.service.principal.client.secret" : databricks_secret.main[data.azurerm_key_vault_secret.sp_key.name].config_reference
+    "spark.databricks.sqldw.jdbc.service.principal.client.id" : data.azurerm_key_vault_secret.sp_client_id[0].value,
+    "spark.databricks.sqldw.jdbc.service.principal.client.secret" : databricks_secret.main[data.azurerm_key_vault_secret.sp_key[0].name].config_reference
   }
 }

secrets.tf

@@ -1,7 +1,7 @@
 locals {
-  sp_secrets = {
-    (var.sp_client_id_secret_name) = { value = data.azurerm_key_vault_secret.sp_client_id.value }
-    (var.sp_key_secret_name)       = { value = data.azurerm_key_vault_secret.sp_key.value }
+  sp_secrets = var.mountpoints == {} ? {} : {
+    (var.sp_client_id_secret_name) = { value = data.azurerm_key_vault_secret.sp_client_id[0].value }
+    (var.sp_key_secret_name)       = { value = data.azurerm_key_vault_secret.sp_key[0].value }
   }
 
   secrets_objects_list = flatten([for param in var.secret_scope : [