package webhooks import ( "fmt" "log" "net" "net/http" "reflect" "github.com/gorilla/mux" "github.com/influxdata/telegraf" "github.com/influxdata/telegraf/plugins/inputs" "github.com/influxdata/telegraf/plugins/inputs/webhooks/filestack" "github.com/influxdata/telegraf/plugins/inputs/webhooks/github" "github.com/influxdata/telegraf/plugins/inputs/webhooks/mandrill" "github.com/influxdata/telegraf/plugins/inputs/webhooks/papertrail" "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 Filestack *filestack.FilestackWebhook Mandrill *mandrill.MandrillWebhook Rollbar *rollbar.RollbarWebhook Papertrail *papertrail.PapertrailWebhook srv *http.Server } func NewWebhooks() *Webhooks { return &Webhooks{} } func (wb *Webhooks) SampleConfig() string { return ` ## Address and port to host Webhook listener on service_address = ":1619" [inputs.webhooks.filestack] path = "/filestack" [inputs.webhooks.github] path = "/github" # secret = "" [inputs.webhooks.mandrill] path = "/mandrill" [inputs.webhooks.rollbar] path = "/rollbar" [inputs.webhooks.papertrail] path = "/papertrail" ` } func (wb *Webhooks) Description() string { return "A Webhooks Event collector" } func (wb *Webhooks) Gather(_ telegraf.Accumulator) error { return nil } // 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 { r := mux.NewRouter() for _, webhook := range wb.AvailableWebhooks() { webhook.Register(r, acc) } wb.srv = &http.Server{Handler: r} ln, err := net.Listen("tcp", fmt.Sprintf("%s", wb.ServiceAddress)) if err != nil { log.Fatalf("E! Error starting server: %v", err) return err } go func() { if err := wb.srv.Serve(ln); err != nil { if err != http.ErrServerClosed { acc.AddError(fmt.Errorf("E! Error listening: %v", err)) } } }() log.Printf("I! Started the webhooks service on %s\n", wb.ServiceAddress) return nil } func (rb *Webhooks) Stop() { rb.srv.Close() log.Println("I! Stopping the Webhooks service") }