feat: add set sniffing env variable (#120)

* feat: add set sniffing env variable

* fix: remove logs

* fix: sniffing should be opt-in

Co-authored-by: Siddharth Kothari <sids.aquarius@gmail.com>

Author: lakhansamani

config/manual.env

@@ -7,3 +7,4 @@ JWT_RSA_PUBLIC_KEY_LOC=sample/rsa-public
 HTTPS_CERT=sample/server.crt
 HTTPS_KEY=sample/server.key
 JWT_ROLE_KEY=role
+SET_SNIFFING=false

util/esclient.go

@@ -90,6 +90,15 @@ func getURL() string {
 	return url
 }
 
+func isSniffingEnabled() bool {
+	setSniffing := os.Getenv("SET_SNIFFING")
+	sniffing := false
+	if setSniffing == "true" {
+		sniffing = true
+	}
+	return sniffing
+}
+
 func initClient6() {
 	var err error
 
@@ -101,7 +110,7 @@ func initClient6() {
 	client6, err = es6.NewClient(
 		es6.SetURL(getURL()),
 		es6.SetRetrier(NewRetrier()),
-		es6.SetSniff(true),
+		es6.SetSniff(isSniffingEnabled()),
 		es6.SetHttpClient(HTTPClient()),
 		es6.SetErrorLog(wrappedLoggerError),
 		es6.SetInfoLog(wrappedLoggerDebug),
@@ -124,7 +133,7 @@ func initClient7() {
 	client7, err = es7.NewClient(
 		es7.SetURL(getURL()),
 		es7.SetRetrier(NewRetrier()),
-		es7.SetSniff(true),
+		es7.SetSniff(isSniffingEnabled()),
 		es7.SetHttpClient(HTTPClient()),
 		es7.SetErrorLog(wrappedLoggerError),
 		es7.SetInfoLog(wrappedLoggerDebug),