Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/webhooks/mandrill/mandrill_webhooks.go

@@ -0,0 +1,67 @@
+package mandrill
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/gorilla/mux"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/plugins/common/auth"
+)
+
+type Webhook struct {
+	Path string
+	acc  telegraf.Accumulator
+	log  telegraf.Logger
+	auth.BasicAuth
+}
+
+// Register registers the webhook with the provided router
+func (md *Webhook) Register(router *mux.Router, acc telegraf.Accumulator, log telegraf.Logger) {
+	router.HandleFunc(md.Path, returnOK).Methods("HEAD")
+	router.HandleFunc(md.Path, md.eventHandler).Methods("POST")
+
+	md.log = log
+	md.log.Infof("Started the webhooks_mandrill on %s", md.Path)
+	md.acc = acc
+}
+
+func returnOK(w http.ResponseWriter, _ *http.Request) {
+	w.WriteHeader(http.StatusOK)
+}
+
+func (md *Webhook) eventHandler(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+
+	if !md.Verify(r) {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+	data, err := url.ParseQuery(string(body))
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+	var events []mandrillEvent
+	err = json.Unmarshal([]byte(data.Get("mandrill_events")), &events)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	for _, event := range events {
+		md.acc.AddFields("mandrill_webhooks", event.fields(), event.tags(), time.Unix(event.TimeStamp, 0))
+	}
+
+	w.WriteHeader(http.StatusOK)
+}