Add workerGroupSpec.idleTimeoutSeconds to v1 RayCluster CRD

docs/reference/api.md

@@ -276,6 +276,7 @@ _Appears in:_
 | `replicas` _integer_ | Replicas is the number of desired Pods for this worker group. See https://github.com/ray-project/kuberay/pull/1443 for more details about the reason for making this field optional. | 0 |  |
 | `minReplicas` _integer_ | MinReplicas denotes the minimum number of desired Pods for this worker group. | 0 |  |
 | `maxReplicas` _integer_ | MaxReplicas denotes the maximum number of desired Pods for this worker group, and the default value is maxInt32. | 2147483647 |  |
+| `idleTimeoutSeconds` _integer_ | IdleTimeoutSeconds denotes the number of seconds to wait before the v2 autoscaler terminates an idle worker pod of this type.<br />This value is only used with the Ray Autoscaler enabled and defaults to the value set by the AutoscalingConfig if not specified for this worker group. |  |  |
 | `rayStartParams` _object (keys:string, values:string)_ | RayStartParams are the params of the start command: address, object-store-memory, ... |  |  |
 | `template` _[PodTemplateSpec](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.28/#podtemplatespec-v1-core)_ | Template is a pod template for the worker |  |  |
 | `scaleStrategy` _[ScaleStrategy](#scalestrategy)_ | ScaleStrategy defines which pods to remove |  |  |

ray-operator/apis/ray/v1/raycluster_types.go

@@ -56,6 +56,9 @@ type WorkerGroupSpec struct {
 	// MaxReplicas denotes the maximum number of desired Pods for this worker group, and the default value is maxInt32.
 	// +kubebuilder:default:=2147483647
 	MaxReplicas *int32 `json:"maxReplicas"`
+	// IdleTimeoutSeconds denotes the number of seconds to wait before the v2 autoscaler terminates an idle worker pod of this type.
+	// This value is only used with the Ray Autoscaler enabled and defaults to the value set by the AutoscalingConfig if not specified for this worker group.
+	IdleTimeoutSeconds *int32 `json:"idleTimeoutSeconds,omitempty"`
 	// RayStartParams are the params of the start command: address, object-store-memory, ...
 	RayStartParams map[string]string `json:"rayStartParams"`
 	// Template is a pod template for the worker