Fix provider produced an unexpected new value: .idle_timeout_minutes: was cty.NumberIntVal(5), but now null (#324)

Author: gkorolev

docs/index.md

@@ -1,7 +1,6 @@
 ---
 # generated by https://github.com/hashicorp/terraform-plugin-docs
 page_title: "clickhouse Provider"
-subcategory: ""
 description: |-
   This is the official provider for ClickHouse Cloud.
   With this provider you can deploy a ClickHouse instance on AWS, Google Cloud or Azure Cloud.

docs/resources/service.md

@@ -180,6 +180,8 @@ Read-Only:
 
 Import is supported using the following syntax:
 
+The [`terraform import` command](https://developer.hashicorp.com/terraform/cli/commands/import) can be used, for example:
+
 ```shell
 # Services can be imported by specifying the UUID.
 terraform import clickhouse_service.example xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

docs/resources/service_private_endpoints_attachment.md

@@ -51,6 +51,8 @@ resource "clickhouse_service_private_endpoints_attachment" "attachment" {
 
 Import is supported using the following syntax:
 
+The [`terraform import` command](https://developer.hashicorp.com/terraform/cli/commands/import) can be used, for example:
+
 ```shell
 # Endpoint Attachments can be imported by specifying the clickhouse service UUID
 terraform import clickhouse_service_private_endpoints_attachment.example xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

docs/resources/service_transparent_data_encryption_key_association.md

@@ -41,6 +41,8 @@ resource "clickhouse_service_transparent_data_encryption_key_association" "servi
 
 Import is supported using the following syntax:
 
+The [`terraform import` command](https://developer.hashicorp.com/terraform/cli/commands/import) can be used, for example:
+
 ```shell
 # Endpoint Attachments can be imported by specifying the clickhouse service UUID
 terraform import clickhouse_service_transparent_data_encryption_key_association.example xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

pkg/resource/service.go

@@ -629,10 +629,14 @@ func (r *ServiceResource) ModifyPlan(ctx context.Context, req resource.ModifyPla
 			resp.Plan.Set(ctx, plan)
 		}
 
-		if config.IdleTimeoutMinutes.IsNull() && state.IdleTimeoutMinutes.IsNull() {
+		if config.IdleTimeoutMinutes.IsNull() {
 			plan.IdleTimeoutMinutes = types.Int64Null()
 			resp.Plan.Set(ctx, plan)
 		}
+
+		if !state.IdleScaling.ValueBool() && plan.IdleScaling.ValueBool() {
+			plan.IdleTimeoutMinutes = config.IdleTimeoutMinutes
+		}
 	}
 
 	if plan.Tier.ValueString() == api.TierDevelopment {