/
tagger.go
49 lines (43 loc) · 1.08 KB
/
tagger.go
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package tagger
import (
"metron/writers"
"code.cloudfoundry.org/localip"
"github.com/cloudfoundry/sonde-go/events"
"github.com/gogo/protobuf/proto"
)
type Tagger struct {
deploymentName string
job string
index string
ip string
outputWriter writers.EnvelopeWriter
}
func New(deploymentName string, job string, index string, outputWriter writers.EnvelopeWriter) *Tagger {
ip, _ := localip.LocalIP()
return &Tagger{
deploymentName: deploymentName,
job: job,
index: index,
ip: ip,
outputWriter: outputWriter,
}
}
func (t *Tagger) Write(envelope *events.Envelope) {
newEnvelope := envelope
t.setDefaultTags(newEnvelope)
t.outputWriter.Write(newEnvelope)
}
func (t *Tagger) setDefaultTags(envelope *events.Envelope) {
if envelope.Deployment == nil {
envelope.Deployment = proto.String(t.deploymentName)
}
if envelope.Job == nil {
envelope.Job = proto.String(t.job)
}
if envelope.Index == nil {
envelope.Index = proto.String(t.index)
}
if envelope.Ip == nil {
envelope.Ip = proto.String(t.ip)
}
}