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PodEvictor: turn an exceeded limit into an error

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When checking for node limit getting exceeded the pod eviction
never fails. Thus, ignoring the metric reporting when a pod fails
to be evicted due to node limit constrains.

The error also allows plugin to react on other limits getting
exceeded. E.g. the limit on the number of pods evicted per namespace.
This commit is contained in:
Jan Chaloupka
2024-07-06 20:02:55 +02:00
parent 7657345079
commit 18d0e4a540
17 changed files with 182 additions and 104 deletions
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10
pkg/framework/profile/profile_test.go
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@@ -185,10 +185,11 @@ func TestProfileDescheduleBalanceExtensionPointsEviction(t *testing.T) {
if test.extensionPoint == frameworktypes.DescheduleExtensionPoint {
fakePlugin.AddReactor(string(frameworktypes.DescheduleExtensionPoint), func(action fakeplugin.Action) (handled, filter bool, err error) {
if dAction, ok := action.(fakeplugin.DescheduleAction); ok {
if dAction.Handle().Evictor().Evict(ctx, p1, evictions.EvictOptions{StrategyName: fakePlugin.PluginName}) {
err := dAction.Handle().Evictor().Evict(ctx, p1, evictions.EvictOptions{StrategyName: fakePlugin.PluginName})
if err == nil {
return true, false, nil
}
return true, false, fmt.Errorf("pod not evicted")
return true, false, fmt.Errorf("pod not evicted: %v", err)
}
return false, false, nil
})
@@ -196,10 +197,11 @@ func TestProfileDescheduleBalanceExtensionPointsEviction(t *testing.T) {
if test.extensionPoint == frameworktypes.BalanceExtensionPoint {
fakePlugin.AddReactor(string(frameworktypes.BalanceExtensionPoint), func(action fakeplugin.Action) (handled, filter bool, err error) {
if dAction, ok := action.(fakeplugin.BalanceAction); ok {
if dAction.Handle().Evictor().Evict(ctx, p1, evictions.EvictOptions{StrategyName: fakePlugin.PluginName}) {
err := dAction.Handle().Evictor().Evict(ctx, p1, evictions.EvictOptions{StrategyName: fakePlugin.PluginName})
if err == nil {
return true, false, nil
}
return true, false, fmt.Errorf("pod not evicted")
return true, false, fmt.Errorf("pod not evicted: %v", err)
}
return false, false, nil
})