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69 lines
2.3 KiB
Go
69 lines
2.3 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package state
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// PodResourceInfo stores resource requirements for containers within a pod.
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type PodResourceInfo struct {
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// ContainerResources maps container names to their respective ResourceRequirements.
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ContainerResources map[string]v1.ResourceRequirements
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}
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// PodResourceInfoMap maps pod UIDs to their corresponding PodResourceInfo,
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// tracking resource requirements for all containers within each pod.
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type PodResourceInfoMap map[types.UID]PodResourceInfo
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// Clone returns a copy of PodResourceInfoMap
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func (pr PodResourceInfoMap) Clone() PodResourceInfoMap {
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prCopy := make(PodResourceInfoMap)
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for podUID, podInfo := range pr {
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prCopy[podUID] = PodResourceInfo{
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ContainerResources: make(map[string]v1.ResourceRequirements),
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}
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for containerName, containerInfo := range podInfo.ContainerResources {
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prCopy[podUID].ContainerResources[containerName] = *containerInfo.DeepCopy()
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}
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}
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return prCopy
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}
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// Reader interface used to read current pod resource state
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type Reader interface {
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GetContainerResources(podUID types.UID, containerName string) (v1.ResourceRequirements, bool)
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GetPodResourceInfoMap() PodResourceInfoMap
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GetPodResourceInfo(podUID types.UID) (PodResourceInfo, bool)
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}
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type writer interface {
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SetContainerResources(podUID types.UID, containerName string, resources v1.ResourceRequirements) error
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SetPodResourceInfo(podUID types.UID, resourceInfo PodResourceInfo) error
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RemovePod(podUID types.UID) error
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// RemoveOrphanedPods removes the stored state for any pods not included in the set of remaining pods.
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RemoveOrphanedPods(remainingPods sets.Set[types.UID])
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}
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// State interface provides methods for tracking and setting pod resources
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type State interface {
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Reader
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writer
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}
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