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LowNodeUtilization: test metrics based utilization

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This commit is contained in:
Jan Chaloupka
2024-11-05 17:03:12 +01:00
parent 646a383b37
commit b7b352780e
10 changed files with 513 additions and 94 deletions
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14
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"
@@ -88,6 +89,13 @@ func NewLowNodeUtilization(args runtime.Object, handle frameworktypes.Handle) (f
resourceNames := getResourceNames(lowNodeUtilizationArgsArgs.Thresholds)
var usageSnapshot usageClient
if lowNodeUtilizationArgsArgs.MetricsUtilization.MetricsServer {
usageSnapshot = newActualUsageSnapshot(resourceNames, handle.GetPodsAssignedToNodeFunc(), handle.MetricsCollector())
} else {
usageSnapshot = newRequestedUsageSnapshot(resourceNames, handle.GetPodsAssignedToNodeFunc())
}
return &LowNodeUtilization{
handle: handle,
args: lowNodeUtilizationArgsArgs,
@@ -95,7 +103,7 @@ func NewLowNodeUtilization(args runtime.Object, handle frameworktypes.Handle) (f
overutilizationCriteria: overutilizationCriteria,
resourceNames: resourceNames,
podFilter: podFilter,
usageSnapshot: newRequestedUsageSnapshot(resourceNames, handle.GetPodsAssignedToNodeFunc()),
usageSnapshot: usageSnapshot,
}, nil
}
@@ -182,7 +190,9 @@ func (l *LowNodeUtilization) Balance(ctx context.Context, nodes []*v1.Node) *fra
evictions.EvictOptions{StrategyName: LowNodeUtilizationPluginName},
l.podFilter,
l.resourceNames,
continueEvictionCond)
continueEvictionCond,
l.usageSnapshot,
)
return nil
}