DE-4747 instrumentation

server/handlers.go

@@ -68,7 +68,6 @@ func eventsHandler(w http.ResponseWriter, r *http.Request) {
 
 func eventsHandlerJson(w http.ResponseWriter, r *http.Request) {
 	var reader io.Reader
-
 	// check if body is gzip compressed
 	if r.Header.Get("Content-Encoding") == "gzip" {
 		var err error

server/server.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/gorilla/mux"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
 type Server struct {
@@ -37,6 +38,7 @@ func NewServer(port string)  (*Server, error) {
 	router.HandleFunc("/schema/get", getSchemaHandler).Methods("GET")
 	router.HandleFunc("/schema/refresh", refreshSchemaHandler).Methods("POST")
 	router.HandleFunc("/schema/add", addSchemaHandler).Methods("POST")
+	router.Path("/metrics").Handler(promhttp.Handler())
 	// router.HandleFunc("/test", testHandler).Methods("GET")
 	// router.HandleFunc("/stop", stopHandler).Methods("POST")