From 7192863481b0482941a39ec840680033aa27963c Mon Sep 17 00:00:00 2001 From: Sergey Kanzhelev Date: Mon, 22 Jul 2024 05:18:19 +0000 Subject: [PATCH] add AllocatedResourcesStatus field to ContainerStatus Kubernetes-commit: 16e8911fdccbdb348a0b3291acf6102494494f9b --- core/v1/types.go | 59 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/core/v1/types.go b/core/v1/types.go index f2fc2053f..3a74138ba 100644 --- a/core/v1/types.go +++ b/core/v1/types.go @@ -3091,6 +3091,65 @@ type ContainerStatus struct { // +featureGate=SupplementalGroupsPolicy // +optional User *ContainerUser `json:"user,omitempty" protobuf:"bytes,13,opt,name=user,casttype=ContainerUser"` + // AllocatedResourcesStatus represents the status of various resources + // allocated for this Pod. + // +featureGate=ResourceHealthStatus + // +optional + // +patchMergeKey=name + // +patchStrategy=merge + // +listType=map + // +listMapKey=name + AllocatedResourcesStatus []ResourceStatus `json:"allocatedResourcesStatus,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,14,rep,name=allocatedResourcesStatus"` +} + +type ResourceStatus struct { + // Name of the resource. Must be unique within the pod and match one of the resources from the pod spec. + // +required + Name ResourceName `json:"name" protobuf:"bytes,1,opt,name=name"` + // List of unique Resources health. Each element in the list contains an unique resource ID and resource health. + // At a minimum, ResourceID must uniquely identify the Resource + // allocated to the Pod on the Node for the lifetime of a Pod. + // See ResourceID type for it's definition. + // +listType=map + // +listMapKey=resourceID + Resources []ResourceHealth `json:"resources,omitempty" protobuf:"bytes,2,rep,name=resources"` +} + +type ResourceHealthStatus string + +const ( + ResourceHealthStatusHealthy ResourceHealthStatus = "Healthy" + ResourceHealthStatusUnhealthy ResourceHealthStatus = "Unhealthy" + ResourceHealthStatusUnknown ResourceHealthStatus = "Unknown" +) + +// ResourceID is calculated based on the source of this resource health information. +// For DevicePlugin: +// +// deviceplugin:DeviceID, where DeviceID is from the Device structure of DevicePlugin's ListAndWatchResponse type: https://github.com/kubernetes/kubernetes/blob/eda1c780543a27c078450e2f17d674471e00f494/staging/src/k8s.io/kubelet/pkg/apis/deviceplugin/v1alpha/api.proto#L61-L73 +// +// DevicePlugin ID is usually a constant for the lifetime of a Node and typically can be used to uniquely identify the device on the node. +// For DRA: +// +// dra://: such a device can be looked up in the information published by that DRA driver to learn more about it. It is designed to be globally unique in a cluster. +type ResourceID string + +// ResourceHealth represents the health of a resource. It has the latest device health information. +// This is a part of KEP https://kep.k8s.io/4680 and historical health changes are planned to be added in future iterations of a KEP. +type ResourceHealth struct { + // ResourceID is the unique identifier of the resource. See the ResourceID type for more information. + ResourceID ResourceID `json:"resourceID" protobuf:"bytes,1,opt,name=resourceID"` + // Health of the resource. + // can be one of: + // - Healthy: operates as normal + // - Unhealthy: reported unhealthy. We consider this a temporary health issue + // since we do not have a mechanism today to distinguish + // temporary and permanent issues. + // - Unknown: The status cannot be determined. + // For example, Device Plugin got unregistered and hasn't been re-registered since. + // + // In future we may want to introduce the PermanentlyUnhealthy Status. + Health ResourceHealthStatus `json:"health,omitempty" protobuf:"bytes,2,name=health"` } // ContainerUser represents user identity information