func (s *StatsNode) runStats([]byte) error {
ticker := time.NewTicker(s.s.Interval)
defer ticker.Stop()
point := models.Point{
Name: "stats",
Tags: map[string]string{"node": s.en.Name()},
}
for {
select {
case <-s.closing:
return nil
case now := <-ticker.C:
point.Time = now.UTC()
stats := s.en.nodeStatsByGroup()
for group, stat := range stats {
point.Fields = stat.Fields
point.Group = group
point.Dimensions = stat.Dimensions
point.Tags = stat.Tags
for _, out := range s.outs {
err := out.CollectPoint(point)
if err != nil {
return err
}
}
}
}
}
}
// Emit a set of stats data points.
func (s *StatsNode) emit(now time.Time) error {
s.timer.Start()
point := models.Point{
Name: "stats",
Tags: map[string]string{"node": s.en.Name()},
Time: now.UTC(),
}
if s.s.AlignFlag {
point.Time = point.Time.Round(s.s.Interval)
}
stats := s.en.nodeStatsByGroup()
for group, stat := range stats {
point.Fields = stat.Fields
point.Group = group
point.Dimensions = stat.Dimensions
point.Tags = stat.Tags
s.timer.Pause()
for _, out := range s.outs {
err := out.CollectPoint(point)
if err != nil {
return err
}
}
s.timer.Resume()
}
s.timer.Stop()
return nil
}
func setGroupOnPoint(p models.Point, allDimensions bool, dimensions []string) models.Point {
if allDimensions {
dimensions = models.SortedKeys(p.Tags)
}
p.Group = models.TagsToGroupID(dimensions, p.Tags)
p.Dimensions = dimensions
return p
}
func setGroupOnPoint(p models.Point, allDimensions bool, dimensions models.Dimensions) models.Point {
if allDimensions {
dimensions.TagNames = models.SortedKeys(p.Tags)
}
p.Group = models.ToGroupID(p.Name, p.Tags, dimensions)
p.Dimensions = dimensions
return p
}