Add temp input plugin (#4411)

plugins/inputs/temp/temp.go

@@ -0,0 +1,46 @@
+package temp
+
+import (
+	"fmt"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/plugins/inputs"
+	"github.com/influxdata/telegraf/plugins/inputs/system"
+)
+
+type Temperature struct {
+	ps system.PS
+}
+
+func (t *Temperature) Description() string {
+	return "Read metrics about temperature"
+}
+
+const sampleConfig = ""
+
+func (t *Temperature) SampleConfig() string {
+	return sampleConfig
+}
+
+func (t *Temperature) Gather(acc telegraf.Accumulator) error {
+	temps, err := t.ps.Temperature()
+	if err != nil {
+		return fmt.Errorf("error getting temperatures info: %s", err)
+	}
+	for _, temp := range temps {
+		tags := map[string]string{
+			"sensor": temp.SensorKey,
+		}
+		fields := map[string]interface{}{
+			"temp": temp.Temperature,
+		}
+		acc.AddFields("temp", fields, tags)
+	}
+	return nil
+}
+
+func init() {
+	inputs.Add("temp", func() telegraf.Input {
+		return &Temperature{ps: system.NewSystemPS()}
+	})
+}