a0610a97b3
This removes deprecated sets.String and sets.Int - replace sets.String with sets.Set[string] - replace sets.Int with sets.Set[int] - replace sets.NewString with sets.New[string] - replace sets.NewInt with sets.New[int] - replace sets.(OLD).List with sets.List(NEW)
79 lines
2.8 KiB
Go
79 lines
2.8 KiB
Go
/*
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Copyright 2018 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 cm
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import (
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"context"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/sets"
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internalapi "k8s.io/cri-api/pkg/apis"
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runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/pkg/kubelet/cm/containermap"
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evictionapi "k8s.io/kubernetes/pkg/kubelet/eviction/api"
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)
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// hardEvictionReservation returns a resourcelist that includes reservation of resources based on hard eviction thresholds.
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func hardEvictionReservation(thresholds []evictionapi.Threshold, capacity v1.ResourceList) v1.ResourceList {
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if len(thresholds) == 0 {
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return nil
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}
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ret := v1.ResourceList{}
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for _, threshold := range thresholds {
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if threshold.Operator != evictionapi.OpLessThan {
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continue
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}
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switch threshold.Signal {
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case evictionapi.SignalMemoryAvailable:
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memoryCapacity := capacity[v1.ResourceMemory]
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value := evictionapi.GetThresholdQuantity(threshold.Value, &memoryCapacity)
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ret[v1.ResourceMemory] = *value
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case evictionapi.SignalNodeFsAvailable:
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storageCapacity := capacity[v1.ResourceEphemeralStorage]
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value := evictionapi.GetThresholdQuantity(threshold.Value, &storageCapacity)
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ret[v1.ResourceEphemeralStorage] = *value
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}
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}
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return ret
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}
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func buildContainerMapAndRunningSetFromRuntime(ctx context.Context, runtimeService internalapi.RuntimeService) (containermap.ContainerMap, sets.Set[string]) {
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podSandboxMap := make(map[string]string)
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podSandboxList, _ := runtimeService.ListPodSandbox(ctx, nil)
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for _, p := range podSandboxList {
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podSandboxMap[p.Id] = p.Metadata.Uid
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}
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runningSet := sets.New[string]()
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containerMap := containermap.NewContainerMap()
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containerList, _ := runtimeService.ListContainers(ctx, nil)
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for _, c := range containerList {
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if _, exists := podSandboxMap[c.PodSandboxId]; !exists {
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klog.InfoS("No PodSandBox found for the container", "podSandboxId", c.PodSandboxId, "containerName", c.Metadata.Name, "containerId", c.Id)
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continue
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}
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podUID := podSandboxMap[c.PodSandboxId]
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containerMap.Add(podUID, c.Metadata.Name, c.Id)
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if c.State == runtimeapi.ContainerState_CONTAINER_RUNNING {
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klog.V(4).InfoS("Container reported running", "podSandboxId", c.PodSandboxId, "podUID", podUID, "containerName", c.Metadata.Name, "containerId", c.Id)
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runningSet.Insert(c.Id)
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}
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}
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return containerMap, runningSet
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}
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