telegraf/plugins/inputs/webhooks/rollbar/rollbar_webhooks.go

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package rollbar
import (
"encoding/json"
"errors"
"io/ioutil"
"log"
"net/http"
"time"
"github.com/gorilla/mux"
"github.com/influxdata/telegraf"
)
type RollbarWebhook struct {
Path string
acc telegraf.Accumulator
}
func (rb *RollbarWebhook) Register(router *mux.Router, acc telegraf.Accumulator) {
router.HandleFunc(rb.Path, rb.eventHandler).Methods("POST")
log.Printf("I! Started the webhooks_rollbar on %s\n", rb.Path)
rb.acc = acc
}
func (rb *RollbarWebhook) eventHandler(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
data, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
dummyEvent := &DummyEvent{}
err = json.Unmarshal(data, dummyEvent)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
event, err := NewEvent(dummyEvent, data)
if err != nil {
w.WriteHeader(http.StatusOK)
return
}
rb.acc.AddFields("rollbar_webhooks", event.Fields(), event.Tags(), time.Now())
w.WriteHeader(http.StatusOK)
}
func generateEvent(event Event, data []byte) (Event, error) {
err := json.Unmarshal(data, event)
if err != nil {
return nil, err
}
return event, nil
}
func NewEvent(dummyEvent *DummyEvent, data []byte) (Event, error) {
switch dummyEvent.EventName {
case "new_item":
return generateEvent(&NewItem{}, data)
case "occurrence":
return generateEvent(&Occurrence{}, data)
case "deploy":
return generateEvent(&Deploy{}, data)
default:
return nil, errors.New("Not implemented type: " + dummyEvent.EventName)
}
}