Change /ping endpoint to /healthz

README.md

@@ -404,7 +404,8 @@ Go templates also support some basic methods for text manipulation which can be
 Different URI (handlers) are available :
 
 * `/` : main and default handler, your falco config must be configured to use it
-* `/ping` : you will get a  `pong` as answer, useful to test if falcosidekick is running and its port is opened (for healthcheck purpose for example)
+* `/ping` : you will get a  `pong` as answer, useful to test if falcosidekick is running and its port is opened (for healthcheck purpose for example). This endpoint is deprecated and it will be removed in `3.0.0`.
+* `/healthz`: you will get a HTTP status code `200` response as answer, useful to test if falcosidekick is running and its port is opened (for healthcheck or purpose for example)
 * `/test` : (for debug only) send a test event to all enabled outputs.
 * `/debug/vars` : get statistics from daemon (in JSON format), it uses classic `expvar` package and some custom values are added
 * `/metrics` : prometheus endpoint, for scraping metrics about events and `falcosidekick`

handlers.go

@@ -73,6 +73,12 @@ func pingHandler(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("pong\n"))
 }
 
+// healthHandler is a simple handler to test if daemon is UP.
+func healthHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Add("Content-Type", "application/json")
+	w.Write([]byte("{\"status\": \"ok\"}"))
+}
+
 // testHandler sends a test event to all enabled outputs.
 func testHandler(w http.ResponseWriter, r *http.Request) {
 	r.Body = ioutil.NopCloser(bytes.NewReader([]byte(`{"output":"This is a test from falcosidekick","priority":"Debug","rule":"Test rule", "time":"` + time.Now().UTC().Format(time.RFC3339) + `","outputfields": {"proc.name":"falcosidekick","user.name":"falcosidekick"}}`)))

main.go

@@ -321,6 +321,7 @@ func init() {
 func main() {
 	http.HandleFunc("/", mainHandler)
 	http.HandleFunc("/ping", pingHandler)
+	http.HandleFunc("/healthz", healthHandler)
 	http.HandleFunc("/test", testHandler)
 	http.Handle("/metrics", promhttp.Handler())