mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-01 10:48:15 +00:00
100 lines
2.7 KiB
Go
100 lines
2.7 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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"sync"
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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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"k8s.io/klog/v2"
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)
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type stateMemory struct {
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sync.RWMutex
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podAllocation PodResourceAllocation
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}
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var _ State = &stateMemory{}
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// NewStateMemory creates new State to track resources allocated to pods
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func NewStateMemory(alloc PodResourceAllocation) State {
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if alloc == nil {
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alloc = PodResourceAllocation{}
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}
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klog.V(2).InfoS("Initialized new in-memory state store for pod resource allocation tracking")
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return &stateMemory{
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podAllocation: alloc,
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}
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}
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func (s *stateMemory) GetContainerResourceAllocation(podUID types.UID, containerName string) (v1.ResourceRequirements, bool) {
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s.RLock()
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defer s.RUnlock()
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alloc, ok := s.podAllocation[podUID][containerName]
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return *alloc.DeepCopy(), ok
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}
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func (s *stateMemory) GetPodResourceAllocation() PodResourceAllocation {
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s.RLock()
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defer s.RUnlock()
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return s.podAllocation.Clone()
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}
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func (s *stateMemory) SetContainerResourceAllocation(podUID types.UID, containerName string, alloc v1.ResourceRequirements) error {
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s.Lock()
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defer s.Unlock()
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if _, ok := s.podAllocation[podUID]; !ok {
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s.podAllocation[podUID] = make(map[string]v1.ResourceRequirements)
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}
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s.podAllocation[podUID][containerName] = alloc
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klog.V(3).InfoS("Updated container resource allocation", "podUID", podUID, "containerName", containerName, "alloc", alloc)
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return nil
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}
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func (s *stateMemory) SetPodResourceAllocation(podUID types.UID, alloc map[string]v1.ResourceRequirements) error {
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s.Lock()
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defer s.Unlock()
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s.podAllocation[podUID] = alloc
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klog.V(3).InfoS("Updated pod resource allocation", "podUID", podUID, "allocation", alloc)
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return nil
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}
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func (s *stateMemory) RemovePod(podUID types.UID) error {
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s.Lock()
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defer s.Unlock()
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delete(s.podAllocation, podUID)
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klog.V(3).InfoS("Deleted pod resource allocation", "podUID", podUID)
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return nil
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}
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func (s *stateMemory) RemoveOrphanedPods(remainingPods sets.Set[types.UID]) {
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s.Lock()
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defer s.Unlock()
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for podUID := range s.podAllocation {
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if _, ok := remainingPods[types.UID(podUID)]; !ok {
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delete(s.podAllocation, podUID)
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}
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}
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}
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