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Code Packages Releases Activity

add PreEvictionFilter extension to DefaultEvictor Plugin

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This commit is contained in:
Lucas Severo Alves
2022-09-19 18:18:46 +02:00
parent 15045c5dcb
commit edec8fe010
14 changed files with 406 additions and 246 deletions
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55
pkg/framework/plugins/nodeutilization/nodeutilization.go
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@@ -18,9 +18,10 @@ package nodeutilization
import (
"context"
"sigs.k8s.io/descheduler/pkg/api"
"sort"
"sigs.k8s.io/descheduler/pkg/api"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/klog/v2"
@@ -286,36 +287,38 @@ func evictPods(
continue
}
if podEvictor.Evict(ctx, pod, evictions.EvictOptions{}) {
klog.V(3).InfoS("Evicted pods", "pod", klog.KObj(pod))
if podEvictor.PreEvictionFilter(pod) {
if podEvictor.Evict(ctx, pod, evictions.EvictOptions{}) {
klog.V(3).InfoS("Evicted pods", "pod", klog.KObj(pod))
for name := range totalAvailableUsage {
if name == v1.ResourcePods {
nodeInfo.usage[name].Sub(*resource.NewQuantity(1, resource.DecimalSI))
totalAvailableUsage[name].Sub(*resource.NewQuantity(1, resource.DecimalSI))
} else {
quantity := utils.GetResourceRequestQuantity(pod, name)
nodeInfo.usage[name].Sub(quantity)
totalAvailableUsage[name].Sub(quantity)
for name := range totalAvailableUsage {
if name == v1.ResourcePods {
nodeInfo.usage[name].Sub(*resource.NewQuantity(1, resource.DecimalSI))
totalAvailableUsage[name].Sub(*resource.NewQuantity(1, resource.DecimalSI))
} else {
quantity := utils.GetResourceRequestQuantity(pod, name)
nodeInfo.usage[name].Sub(quantity)
totalAvailableUsage[name].Sub(quantity)
}
}
}
keysAndValues := []interface{}{
"node", nodeInfo.node.Name,
"CPU", nodeInfo.usage[v1.ResourceCPU].MilliValue(),
"Mem", nodeInfo.usage[v1.ResourceMemory].Value(),
"Pods", nodeInfo.usage[v1.ResourcePods].Value(),
}
for name := range totalAvailableUsage {
if !nodeutil.IsBasicResource(name) {
keysAndValues = append(keysAndValues, string(name), totalAvailableUsage[name].Value())
keysAndValues := []interface{}{
"node", nodeInfo.node.Name,
"CPU", nodeInfo.usage[v1.ResourceCPU].MilliValue(),
"Mem", nodeInfo.usage[v1.ResourceMemory].Value(),
"Pods", nodeInfo.usage[v1.ResourcePods].Value(),
}
for name := range totalAvailableUsage {
if !nodeutil.IsBasicResource(name) {
keysAndValues = append(keysAndValues, string(name), totalAvailableUsage[name].Value())
}
}
}
klog.V(3).InfoS("Updated node usage", keysAndValues...)
// check if pods can be still evicted
if !continueEviction(nodeInfo, totalAvailableUsage) {
break
klog.V(3).InfoS("Updated node usage", keysAndValues...)
// check if pods can be still evicted
if !continueEviction(nodeInfo, totalAvailableUsage) {
break
}
}
}
if podEvictor.NodeLimitExceeded(nodeInfo.node) {