68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package particle
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import (
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"encoding/json"
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"log"
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"net/http"
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"time"
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"github.com/gorilla/mux"
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"github.com/influxdata/telegraf"
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)
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type event struct {
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Name string `json:"event"`
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Data data `json:"data"`
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TTL int `json:"ttl"`
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PublishedAt string `json:"published_at"`
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Database string `json:"influx_db"`
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}
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type data struct {
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Tags map[string]string `json:"tags"`
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Fields map[string]interface{} `json:"values"`
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}
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func newEvent() *event {
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return &event{
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Data: data{
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Tags: make(map[string]string),
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Fields: make(map[string]interface{}),
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},
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}
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}
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func (e *event) Time() (time.Time, error) {
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return time.Parse("2006-01-02T15:04:05Z", e.PublishedAt)
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}
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type ParticleWebhook struct {
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Path string
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acc telegraf.Accumulator
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}
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func (rb *ParticleWebhook) Register(router *mux.Router, acc telegraf.Accumulator) {
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router.HandleFunc(rb.Path, rb.eventHandler).Methods("POST")
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log.Printf("I! Started the webhooks_particle on %s\n", rb.Path)
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rb.acc = acc
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}
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func (rb *ParticleWebhook) eventHandler(w http.ResponseWriter, r *http.Request) {
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defer r.Body.Close()
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e := newEvent()
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if err := json.NewDecoder(r.Body).Decode(e); err != nil {
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log.Println(err)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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pTime, err := e.Time()
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if err != nil {
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pTime = time.Now()
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log.Printf("error parsing particle event time: %s. Using telegraf host time instead: %s", e.PublishedAt, pTime)
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}
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rb.acc.AddFields(e.Name, e.Data.Fields, e.Data.Tags, pTime)
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w.WriteHeader(http.StatusOK)
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}
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