---
page_title: "ona_warm_pools Data Source - ona"
subcategory: "Projects"
description: |-
  Fetches Ona warm pools.
---

# ona_warm_pools (Data Source)

Fetches Ona warm pools.

For product context, see [Warm Pools](https://ona.com/docs/ona/projects/warm-pools).

## Example Usage

```terraform
data "ona_warm_pools" "project" {
  project_ids           = ["00000000-0000-0000-0000-000000000000"]
  environment_class_ids = ["11111111-1111-1111-1111-111111111111"]
}
```

<!-- schema generated by tfplugindocs -->
## Schema

### Optional

- `environment_class_ids` (Set of String) Environment class IDs to filter warm pools by.
- `page_size` (Number) API page size to use while listing warm pools. Defaults to 100.
- `project_ids` (Set of String) Project IDs to filter warm pools by.

### Read-Only

- `id` (String) Terraform data source ID.
- `warm_pools` (Attributes List) Ona warm pools matching the filters. (see [below for nested schema](#nestedatt--warm_pools))

<a id="nestedatt--warm_pools"></a>
### Nested Schema for `warm_pools`

Read-Only:

- `created_at` (String) Time when the warm pool was created.
- `environment_class_id` (String) Environment class ID whose instances are warmed.
- `id` (String) Terraform data source ID. This is the same value as `warm_pool_id`.
- `max_size` (Number) Maximum number of warm instances to maintain.
- `min_size` (Number) Minimum number of warm instances to maintain.
- `project_id` (String) Project ID this warm pool belongs to.
- `warm_pool_id` (String) Warm pool ID.