70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package serializers
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import (
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"github.com/influxdata/telegraf/plugins"
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"github.com/influxdata/telegraf/plugins/serializers/graphite"
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"github.com/influxdata/telegraf/plugins/serializers/influx"
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"github.com/influxdata/telegraf/plugins/serializers/json"
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)
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// SerializerOutput is an interface for output plugins that are able to
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// serialize telegraf metrics into arbitrary data formats.
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type SerializerOutput interface {
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// SetSerializer sets the serializer function for the interface.
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SetSerializer(serializer Serializer)
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}
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// Serializer is an interface defining functions that a serializer plugin must
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// satisfy.
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type Serializer interface {
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// Serialize takes a single telegraf metric and turns it into a byte buffer.
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// separate metrics should be separated by a newline, and there should be
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// a newline at the end of the buffer.
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Serialize(metric plugins.Metric) ([]byte, error)
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}
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// Config is a struct that covers the data types needed for all serializer types,
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// and can be used to instantiate _any_ of the serializers.
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type Config struct {
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// Dataformat can be one of: influx, graphite
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DataFormat string
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// Prefix to add to all measurements, only supports Graphite
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Prefix string
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// Template for converting telegraf metrics into Graphite
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// only supports Graphite
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Template string
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}
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// NewSerializer a Serializer interface based on the given config.
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func NewSerializer(config *Config) (Serializer, error) {
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var err error
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var serializer Serializer
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switch config.DataFormat {
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case "influx":
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serializer, err = NewInfluxSerializer()
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case "graphite":
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serializer, err = NewGraphiteSerializer(config.Prefix, config.Template)
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case "json":
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serializer, err = NewJsonSerializer()
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}
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return serializer, err
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}
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func NewJsonSerializer() (Serializer, error) {
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return &json.JsonSerializer{}, nil
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}
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func NewInfluxSerializer() (Serializer, error) {
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return &influx.InfluxSerializer{}, nil
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}
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func NewGraphiteSerializer(prefix, template string) (Serializer, error) {
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return &graphite.GraphiteSerializer{
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Prefix: prefix,
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Template: template,
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}, nil
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}
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