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Code Packages Releases Activity

Move default LNU threshold setting under setDefaultForLNUThresholds

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This commit is contained in:
Jan Chaloupka
2024-10-11 16:31:37 +02:00
parent b07be078c3
commit e0ff750fa7
1 changed files with 33 additions and 28 deletions
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61
pkg/framework/plugins/nodeutilization/lownodeutilization.go
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@@ -24,6 +24,7 @@ import (
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/klog/v2"
"sigs.k8s.io/descheduler/pkg/api"
"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
@@ -75,34 +76,7 @@ func (l *LowNodeUtilization) Balance(ctx context.Context, nodes []*v1.Node) *fra
thresholds := l.args.Thresholds
targetThresholds := l.args.TargetThresholds
// check if Pods/CPU/Mem are set, if not, set them to 100
if _, ok := thresholds[v1.ResourcePods]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourcePods] = MinResourcePercentage
targetThresholds[v1.ResourcePods] = MinResourcePercentage
} else {
thresholds[v1.ResourcePods] = MaxResourcePercentage
targetThresholds[v1.ResourcePods] = MaxResourcePercentage
}
}
if _, ok := thresholds[v1.ResourceCPU]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourceCPU] = MinResourcePercentage
targetThresholds[v1.ResourceCPU] = MinResourcePercentage
} else {
thresholds[v1.ResourceCPU] = MaxResourcePercentage
targetThresholds[v1.ResourceCPU] = MaxResourcePercentage
}
}
if _, ok := thresholds[v1.ResourceMemory]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourceMemory] = MinResourcePercentage
targetThresholds[v1.ResourceMemory] = MinResourcePercentage
} else {
thresholds[v1.ResourceMemory] = MaxResourcePercentage
targetThresholds[v1.ResourceMemory] = MaxResourcePercentage
}
}
setDefaultForLNUThresholds(thresholds, targetThresholds, useDeviationThresholds)
resourceNames := getResourceNames(thresholds)
lowNodes, sourceNodes := classifyNodes(
@@ -199,3 +173,34 @@ func (l *LowNodeUtilization) Balance(ctx context.Context, nodes []*v1.Node) *fra
return nil
}
func setDefaultForLNUThresholds(thresholds, targetThresholds api.ResourceThresholds, useDeviationThresholds bool) {
// check if Pods/CPU/Mem are set, if not, set them to 100
if _, ok := thresholds[v1.ResourcePods]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourcePods] = MinResourcePercentage
targetThresholds[v1.ResourcePods] = MinResourcePercentage
} else {
thresholds[v1.ResourcePods] = MaxResourcePercentage
targetThresholds[v1.ResourcePods] = MaxResourcePercentage
}
}
if _, ok := thresholds[v1.ResourceCPU]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourceCPU] = MinResourcePercentage
targetThresholds[v1.ResourceCPU] = MinResourcePercentage
} else {
thresholds[v1.ResourceCPU] = MaxResourcePercentage
targetThresholds[v1.ResourceCPU] = MaxResourcePercentage
}
}
if _, ok := thresholds[v1.ResourceMemory]; !ok {
if useDeviationThresholds {
thresholds[v1.ResourceMemory] = MinResourcePercentage
targetThresholds[v1.ResourceMemory] = MinResourcePercentage
} else {
thresholds[v1.ResourceMemory] = MaxResourcePercentage
targetThresholds[v1.ResourceMemory] = MaxResourcePercentage
}
}
}