Add wavefront serializer plugin (#5670)

plugins/serializers/registry.go

@@ -12,6 +12,7 @@ import (
 	"github.com/influxdata/telegraf/plugins/serializers/json"
 	"github.com/influxdata/telegraf/plugins/serializers/nowmetric"
 	"github.com/influxdata/telegraf/plugins/serializers/splunkmetric"
+	"github.com/influxdata/telegraf/plugins/serializers/wavefront"
 )
 
 // SerializerOutput is an interface for output plugins that are able to
@@ -66,6 +67,13 @@ type Config struct {
 
 	// Include HEC routing fields for splunkmetric output
 	HecRouting bool
+
+	// Point tags to use as the source name for Wavefront (if none found, host will be used).
+	WavefrontSourceOverride []string
+
+	// Use Strict rules to sanitize metric and tag names from invalid characters for Wavefront
+	// When enabled forward slash (/) and comma (,) will be accepted
+	WavefrontUseStrict bool
 }
 
 // NewSerializer a Serializer interface based on the given config.
@@ -85,12 +93,18 @@ func NewSerializer(config *Config) (Serializer, error) {
 		serializer, err = NewNowSerializer()
 	case "carbon2":
 		serializer, err = NewCarbon2Serializer()
+	case "wavefront":
+		serializer, err = NewWavefrontSerializer(config.Prefix, config.WavefrontUseStrict, config.WavefrontSourceOverride)
 	default:
 		err = fmt.Errorf("Invalid data format: %s", config.DataFormat)
 	}
 	return serializer, err
 }
 
+func NewWavefrontSerializer(prefix string, useStrict bool, sourceOverride []string) (Serializer, error) {
+	return wavefront.NewSerializer(prefix, useStrict, sourceOverride)
+}
+
 func NewJsonSerializer(timestampUnits time.Duration) (Serializer, error) {
 	return json.NewSerializer(timestampUnits)
 }