func (o *StdoutOutput) Encode(ev *message.Event) (buffer.Sizer, error) {
var err error
b := &bytes.Buffer{}
if o.tmpl != nil {
err = o.tmpl.Execute(b, ev)
} else {
fmt.Fprintf(b, "[%s] %v: ", ev.Tag, ev.Time)
err = json.NewEncoder(b).Encode(ev.Record)
}
if err != nil {
return nil, err
}
return buffer.BytesItem(bytes.TrimRight(b.Bytes(), "\n")), nil
}
func (p *OutFile) Encode(ev *message.Event) (buffer.Sizer, error) {
var err error
b := new(bytes.Buffer)
if p.tmpl != nil {
err = p.tmpl.Execute(b, ev)
b.Write([]byte{'\n'})
} else {
fmt.Fprintf(b, "[%s] %v: ", ev.Tag, ev.Time)
err = json.NewEncoder(b).Encode(ev.Record)
}
if err != nil {
return nil, err
}
return buffer.BytesItem(b.Bytes()), nil
}
func (o *ForwardOutput) Encode(ev *message.Event) (buffer.Sizer, error) {
var v []interface{}
if o.conf.Compatible == CompatibleDisable {
v = []interface{}{ev.Tag, ev.Time, ev.Record}
} else {
v = []interface{}{ev.Tag, ev.Time.Unix(), ev.Record}
}
b, err := encode(v)
if err != nil {
return nil, err
}
if o.ackEnabled {
// temporary invalid msgpack data, it will be corrected before sending
b[0] = 0x94
}
return buffer.BytesItem(b), nil
}
func (o *ElasticsearchOutput) Encode(ev *message.Event) (buffer.Sizer, error) {
index := o.conf.IndexName
if o.conf.LogstashFormat {
if _, ok := ev.Record["@timestamp"]; !ok {
ev.Record["@timestamp"] = ev.Time.Format("2006-01-02T15:04:05.000-07:00")
}
index = ev.Time.In(o.utc).Format(o.conf.LogstashPrefix + "-" + o.conf.LogstashDateFormat)
}
if o.conf.TagKey != "" {
ev.Record[o.conf.TagKey] = ev.Tag
}
action := map[string]string{
"_index": index,
"_type": o.conf.TypeName,
}
if o.conf.IDKey != "" {
if v, ok := ev.Record[o.conf.IDKey].(string); ok {
action["_id"] = v
}
}
if o.conf.ParentKey != "" {
if v, ok := ev.Record[o.conf.ParentKey].(string); ok {
action["_parent"] = v
}
}
b1, err := json.Marshal(map[string]interface{}{"index": action})
if err != nil {
return nil, err
}
b2, err := json.Marshal(ev.Record)
if err != nil {
return nil, err
}
b := append(b1, '\n')
b = append(b, b2...)
b = append(b, '\n')
return buffer.BytesItem(b), nil
}