azurerm_mysql_flexible_server - support geo_backup_key_vault_key_id and geo_backup_user_assigned_identity_id

internal/services/mysql/mysql_flexible_server_resource.go

@@ -117,6 +117,20 @@ func resourceMysqlFlexibleServer() *pluginsdk.Resource {
 							Optional:     true,
 							ValidateFunc: commonids.ValidateUserAssignedIdentityID,
 						},
+						"geo_backup_key_vault_key_id": {
+							Type:         pluginsdk.TypeString,
+							Optional:     true,
+							ValidateFunc: keyVaultValidate.NestedItemIdWithOptionalVersion,
+							RequiredWith: []string{
+								"identity",
+								"customer_managed_key.0.geo_backup_user_assigned_identity_id",
+							},
+						},
+						"geo_backup_user_assigned_identity_id": {
+							Type:         pluginsdk.TypeString,
+							Optional:     true,
+							ValidateFunc: commonids.ValidateUserAssignedIdentityID,
+						},
 					},
 				},
 			},
@@ -930,9 +944,23 @@ func expandFlexibleServerDataEncryption(input []interface{}) *servers.DataEncryp
 
 	det := servers.DataEncryptionTypeAzureKeyVault
 	dataEncryption := servers.DataEncryption{
-		Type:                          &det,
-		PrimaryKeyURI:                 utils.String(v["key_vault_key_id"].(string)),
-		PrimaryUserAssignedIdentityId: utils.String(v["primary_user_assigned_identity_id"].(string)),
+		Type: &det,
+	}
+
+	if keyVaultKeyId := v["key_vault_key_id"].(string); keyVaultKeyId != "" {
+		dataEncryption.PrimaryKeyURI = utils.String(keyVaultKeyId)
+	}
+
+	if primaryUserAssignedIdentityId := v["primary_user_assigned_identity_id"].(string); primaryUserAssignedIdentityId != "" {
+		dataEncryption.PrimaryUserAssignedIdentityId = utils.String(primaryUserAssignedIdentityId)
+	}
+
+	if geoBackupKeyVaultKeyId := v["geo_backup_key_vault_key_id"].(string); geoBackupKeyVaultKeyId != "" {
+		dataEncryption.GeoBackupKeyURI = utils.String(geoBackupKeyVaultKeyId)
+	}
+
+	if geoBackupUserAssignedIdentityId := v["geo_backup_user_assigned_identity_id"].(string); geoBackupUserAssignedIdentityId != "" {
+		dataEncryption.GeoBackupUserAssignedIdentityId = utils.String(geoBackupUserAssignedIdentityId)
 	}
 
 	return &dataEncryption
@@ -955,6 +983,17 @@ func flattenFlexibleServerDataEncryption(de *servers.DataEncryption) ([]interfac
 		item["primary_user_assigned_identity_id"] = parsed.ID()
 	}
 
+	if de.GeoBackupKeyURI != nil {
+		item["geo_backup_key_vault_key_id"] = *de.GeoBackupKeyURI
+	}
+	if identity := de.GeoBackupUserAssignedIdentityId; identity != nil {
+		parsed, err := commonids.ParseUserAssignedIdentityIDInsensitively(*identity)
+		if err != nil {
+			return nil, fmt.Errorf("parsing %q: %+v", *identity, err)
+		}
+		item["geo_backup_user_assigned_identity_id"] = parsed.ID()
+	}
+
 	return []interface{}{item}, nil
 }
 

internal/services/mysql/mysql_flexible_server_resource_test.go

@@ -463,6 +463,22 @@ func TestAccMySqlFlexibleServer_updateToCustomerManagedKey(t *testing.T) {
 	})
 }
 
+// this test can fail with a uninformative error, tracked here https://github.com/Azure/azure-rest-api-specs/issues/22980
+func TestAccMySqlFlexibleServer_enableGeoRedundantBackup(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_mysql_flexible_server", "test")
+	r := MySqlFlexibleServerResource{}
+
+	data.ResourceTest(t, r, []acceptance.TestStep{
+		{
+			Config: r.enableGeoRedundantBackup(data),
+			Check: acceptance.ComposeTestCheckFunc(
+				check.That(data.ResourceName).ExistsInAzure(r),
+			),
+		},
+		data.ImportStep("administrator_password"),
+	})
+}
+
 func (MySqlFlexibleServerResource) Exists(ctx context.Context, clients *clients.Client, state *pluginsdk.InstanceState) (*bool, error) {
 	id, err := servers.ParseFlexibleServerID(state.ID)
 	if err != nil {
@@ -1080,3 +1096,81 @@ resource "azurerm_mysql_flexible_server" "test" {
 }
 `, r.cmkTemplate(data), data.RandomInteger)
 }
+
+func (r MySqlFlexibleServerResource) enableGeoRedundantBackup(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+%s
+
+resource "azurerm_resource_group" "test2" {
+  name     = "acctestRG-mysql2-%d"
+  location = "%s"
+}
+
+resource "azurerm_user_assigned_identity" "test2" {
+  name                = "acctestmi%s"
+  location            = azurerm_resource_group.test2.location
+  resource_group_name = azurerm_resource_group.test2.name
+}
+
+resource "azurerm_key_vault" "test2" {
+  name                     = "acctestkv2%s"
+  location                 = azurerm_resource_group.test2.location
+  resource_group_name      = azurerm_resource_group.test2.name
+  tenant_id                = data.azurerm_client_config.current.tenant_id
+  sku_name                 = "standard"
+  purge_protection_enabled = true
+}
+
+resource "azurerm_key_vault_access_policy" "server2" {
+  key_vault_id = azurerm_key_vault.test2.id
+  tenant_id    = data.azurerm_client_config.current.tenant_id
+  object_id    = azurerm_user_assigned_identity.test2.principal_id
+
+  key_permissions = ["Get", "List", "WrapKey", "UnwrapKey"]
+}
+
+resource "azurerm_key_vault_access_policy" "client2" {
+  key_vault_id = azurerm_key_vault.test2.id
+  tenant_id    = data.azurerm_client_config.current.tenant_id
+  object_id    = data.azurerm_client_config.current.object_id
+
+  key_permissions = ["Get", "Create", "Delete", "List", "Restore", "Recover", "UnwrapKey", "WrapKey", "Purge", "Encrypt", "Decrypt", "Sign", "Verify", "GetRotationPolicy"]
+}
+
+resource "azurerm_key_vault_key" "test2" {
+  name         = "test2"
+  key_vault_id = azurerm_key_vault.test2.id
+  key_type     = "RSA"
+  key_size     = 2048
+  key_opts     = ["decrypt", "encrypt", "sign", "unwrapKey", "verify", "wrapKey"]
+
+  depends_on = [
+    azurerm_key_vault_access_policy.client2,
+    azurerm_key_vault_access_policy.server2,
+  ]
+}
+
+resource "azurerm_mysql_flexible_server" "test" {
+  name                         = "acctest-fs-%d"
+  resource_group_name          = azurerm_resource_group.test.name
+  location                     = azurerm_resource_group.test.location
+  administrator_login          = "_admin_Terraform_892123456789312"
+  administrator_password       = "QAZwsx123"
+  sku_name                     = "B_Standard_B1s"
+  zone                         = "2"
+  geo_redundant_backup_enabled = true
+
+  identity {
+    type         = "UserAssigned"
+    identity_ids = [azurerm_user_assigned_identity.test.id, azurerm_user_assigned_identity.test2.id]
+  }
+
+  customer_managed_key {
+    key_vault_key_id                     = azurerm_key_vault_key.test.id
+    primary_user_assigned_identity_id    = azurerm_user_assigned_identity.test.id
+    geo_backup_key_vault_key_id          = azurerm_key_vault_key.test2.id
+    geo_backup_user_assigned_identity_id = azurerm_user_assigned_identity.test2.id
+  }
+}
+`, r.cmkTemplate(data), data.RandomInteger, data.Locations.Secondary, data.RandomString, data.RandomString, data.RandomInteger)
+}

website/docs/r/mysql_flexible_server.html.markdown

@@ -139,7 +139,11 @@ A `customer_managed_key` block supports the following:
 
 * `primary_user_assigned_identity_id` - (Optional) Specifies the primary user managed identity id for a Customer Managed Key. Should be added with `identity_ids`.
 
-~> **NOTE:** This is required when `type` is set to `UserAssigned` or `SystemAssigned, UserAssigned`.
+* `geo_backup_key_vault_key_id` - (Optional) The ID of the geo backup Key Vault Key. It can't cross region and need Customer Managed Key in same region as geo backup.
+
+* `geo_backup_user_assigned_identity_id` - (Optional) The geo backup user managed identity id for a Customer Managed Key. Should be added with `identity_ids`. It can't cross region and need identity in same region as geo backup.
+
+~> **NOTE:** `primary_user_assigned_identity_id` or `geo_backup_user_assigned_identity_id` is required when `type` is set to `UserAssigned` or `SystemAssigned, UserAssigned`.
 
 ---