// makeSignalObservations derives observations using the specified summary provider.
func makeSignalObservations(summaryProvider stats.SummaryProvider) (signalObservations, statsFunc, error) {
summary, err := summaryProvider.Get()
if err != nil {
return nil, nil, err
}
// build the function to work against for pod stats
statsFunc := cachedStatsFunc(summary.Pods)
// build an evaluation context for current eviction signals
result := signalObservations{}
if memory := summary.Node.Memory; memory != nil && memory.AvailableBytes != nil && memory.WorkingSetBytes != nil {
result[SignalMemoryAvailable] = signalObservation{
available: resource.NewQuantity(int64(*memory.AvailableBytes), resource.BinarySI),
capacity: resource.NewQuantity(int64(*memory.AvailableBytes+*memory.WorkingSetBytes), resource.BinarySI),
}
}
if nodeFs := summary.Node.Fs; nodeFs != nil && nodeFs.AvailableBytes != nil && nodeFs.CapacityBytes != nil {
result[SignalNodeFsAvailable] = signalObservation{
available: resource.NewQuantity(int64(*nodeFs.AvailableBytes), resource.BinarySI),
capacity: resource.NewQuantity(int64(*nodeFs.CapacityBytes), resource.BinarySI),
}
}
if summary.Node.Runtime != nil {
if imageFs := summary.Node.Runtime.ImageFs; imageFs != nil && imageFs.AvailableBytes != nil && imageFs.CapacityBytes != nil {
result[SignalImageFsAvailable] = signalObservation{
available: resource.NewQuantity(int64(*imageFs.AvailableBytes), resource.BinarySI),
capacity: resource.NewQuantity(int64(*imageFs.CapacityBytes), resource.BinarySI),
}
}
}
return result, statsFunc, nil
}
// makeSignalObservations derives observations using the specified summary provider.
func makeSignalObservations(summaryProvider stats.SummaryProvider) (signalObservations, statsFunc, error) {
summary, err := summaryProvider.Get()
if err != nil {
return nil, nil, err
}
// build the function to work against for pod stats
statsFunc := cachedStatsFunc(summary.Pods)
// build an evaluation context for current eviction signals
result := signalObservations{}
result[SignalMemoryAvailable] = resource.NewQuantity(int64(*summary.Node.Memory.AvailableBytes), resource.BinarySI)
return result, statsFunc, nil
}