telegraf/plugins/inputs/swap/swap.go

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package swap
import (
"fmt"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/inputs/system"
)
type SwapStats struct {
ps system.PS
}
func (_ *SwapStats) Description() string {
return "Read metrics about swap memory usage"
}
func (_ *SwapStats) SampleConfig() string { return "" }
func (s *SwapStats) Gather(acc telegraf.Accumulator) error {
swap, err := s.ps.SwapStat()
if err != nil {
return fmt.Errorf("error getting swap memory info: %s", err)
}
fieldsG := map[string]interface{}{
"total": swap.Total,
"used": swap.Used,
"free": swap.Free,
"used_percent": swap.UsedPercent,
}
fieldsC := map[string]interface{}{
"in": swap.Sin,
"out": swap.Sout,
}
acc.AddGauge("swap", fieldsG, nil)
acc.AddCounter("swap", fieldsC, nil)
return nil
}
func init() {
ps := system.NewSystemPS()
inputs.Add("swap", func() telegraf.Input {
return &SwapStats{ps: ps}
})
}