package webhooks import ( "fmt" "log" "net/http" "reflect" "github.com/gorilla/mux" "github.com/influxdata/telegraf" "github.com/influxdata/telegraf/plugins/inputs" "github.com/influxdata/telegraf/plugins/inputs/webhooks/github" "github.com/influxdata/telegraf/plugins/inputs/webhooks/mandrill" "github.com/influxdata/telegraf/plugins/inputs/webhooks/rollbar" ) type Webhook interface { Register(router *mux.Router, acc telegraf.Accumulator) } func init() { inputs.Add("webhooks", func() telegraf.Input { return NewWebhooks() }) } type Webhooks struct { ServiceAddress string Github *github.GithubWebhook Mandrill *mandrill.MandrillWebhook Rollbar *rollbar.RollbarWebhook } func NewWebhooks() *Webhooks { return &Webhooks{} } func (wb *Webhooks) SampleConfig() string { return ` ## Address and port to host Webhook listener on service_address = ":1619" [inputs.webhooks.github] path = "/github" [inputs.webhooks.mandrill] path = "/mandrill" [inputs.webhooks.rollbar] path = "/rollbar" ` } func (wb *Webhooks) Description() string { return "A Webhooks Event collector" } func (wb *Webhooks) Gather(_ telegraf.Accumulator) error { return nil } func (wb *Webhooks) Listen(acc telegraf.Accumulator) { r := mux.NewRouter() for _, webhook := range wb.AvailableWebhooks() { webhook.Register(r, acc) } err := http.ListenAndServe(fmt.Sprintf("%s", wb.ServiceAddress), r) if err != nil { log.Printf("Error starting server: %v", err) } } // Looks for fields which implement Webhook interface func (wb *Webhooks) AvailableWebhooks() []Webhook { webhooks := make([]Webhook, 0) s := reflect.ValueOf(wb).Elem() for i := 0; i < s.NumField(); i++ { f := s.Field(i) if !f.CanInterface() { continue } if wbPlugin, ok := f.Interface().(Webhook); ok { if !reflect.ValueOf(wbPlugin).IsNil() { webhooks = append(webhooks, wbPlugin) } } } return webhooks } func (wb *Webhooks) Start(acc telegraf.Accumulator) error { go wb.Listen(acc) log.Printf("Started the webhooks service on %s\n", wb.ServiceAddress) return nil } func (rb *Webhooks) Stop() { log.Println("Stopping the Webhooks service") }