remote_cache: Fix redis connstr parsing (#18204)

* Fix redis connstr parsing

* Don’t log the password

pkg/infra/remotecache/redis_storage.go

@@ -22,8 +22,12 @@ func parseRedisConnStr(connStr string) (*redis.Options, error) {
 	keyValueCSV := strings.Split(connStr, ",")
 	options := &redis.Options{Network: "tcp"}
 	for _, rawKeyValue := range keyValueCSV {
-		keyValueTuple := strings.Split(rawKeyValue, "=")
+		keyValueTuple := strings.SplitN(rawKeyValue, "=", 2)
 		if len(keyValueTuple) != 2 {
+			if strings.HasPrefix(rawKeyValue, "password") {
+				// don't log the password
+				rawKeyValue = "password******"
+			}
 			return nil, fmt.Errorf("incorrect redis connection string format detected for '%v', format is key=value,key=value", rawKeyValue)
 		}
 		connKey := keyValueTuple[0]