func NewManager(sources []source_api.Source, sinkManager sinks.ExternalSinkManager, res, bufferDuration time.Duration, c cache.Cache, useModel bool, modelRes time.Duration) (Manager, error) {
var newModel model.Model = nil
if useModel {
newModel = model.NewModel(modelRes)
// Temporary semi-hack to get model storage garbage-collected.
c.AddCacheListener(newModel.GetCacheListener())
}
return &realManager{
sources: sources,
sinkManager: sinkManager,
cache: c,
model: newModel,
lastSync: time.Now(),
resolution: res,
decoder: sink_api.NewDecoder(),
sinkStopChan: sinkManager.Sync(),
}, nil
}
func getNodeMetrics(model model_api.Model, name string) (*types.DerivedNodeMetrics, error) {
res, err := model.GetNodeStats(model_api.NodeRequest{
NodeName: name,
})
if err != nil {
return nil, err
}
metrics := &types.DerivedNodeMetrics{
NodeName: name,
NodeMetrics: types.MetricsWindows{
EndTime: unversioned.NewTime(res.Timestamp),
},
// TODO: fill SystemContainers
SystemContainers: make([]types.DerivedContainerMetrics, 0),
}
if err := portStats(&metrics.NodeMetrics, res.ByName); err != nil {
return nil, err
}
return metrics, nil
}