Make redis host configurable

main.cpp

@@ -30,7 +30,10 @@ int main(int argc, char *argv[])
     QHostAddress listenAddress = QHostAddress::Any;
     uint16_t port = 8000;
     QString identity = "test";
+#ifdef FEATURE_REDIS
+    QString redisHost = "localhost";
     QString redisPassword;
+#endif
 
     {
         QCommandLineParser parser;
@@ -53,10 +56,17 @@ int main(int argc, char *argv[])
                                           QCoreApplication::translate("main", "identity")};
         parser.addOption(identityOption);
 
+#ifdef FEATURE_REDIS
+        QCommandLineOption redisHostOption{QStringList{ "H", "redisHost" },
+                                           QCoreApplication::translate("main", "The redis host"),
+                                           QCoreApplication::translate("main", "redisHost")};
+        parser.addOption(redisHostOption);
+
         QCommandLineOption redisPasswordOption{QStringList{ "r", "redisPassword" },
                                                QCoreApplication::translate("main", "The redis password"),
                                                QCoreApplication::translate("main", "redisPassword")};
         parser.addOption(redisPasswordOption);
+#endif
 
         parser.process(app);
 
@@ -88,8 +98,12 @@ int main(int argc, char *argv[])
         }
         if (parser.isSet(identityOption))
             identity = parser.value(identityOption);
+#ifdef FEATURE_REDIS
+        if (parser.isSet(redisHostOption))
+            redisHost = parser.value(redisHostOption);
         if (parser.isSet(redisPasswordOption))
             redisPassword = parser.value(redisPasswordOption);
+#endif
     }
 
     qSetMessagePattern(QString{"%{time dd.MM.yyyy HH:mm:ss.zzz} %0 "
@@ -104,7 +118,7 @@ int main(int argc, char *argv[])
                        "%{message}"}.arg(identity));
 
 #ifdef FEATURE_REDIS
-    redisAsyncContext * const redis = redisAsyncConnect("localhost", 6379);
+    redisAsyncContext * const redis = redisAsyncConnect(redisHost.toUtf8().constData(), 6379);
 
     if (redis->err)
         qFatal("error with redis connection: %s", redis->errstr);
@@ -112,10 +126,13 @@ int main(int argc, char *argv[])
     RedisQtAdapter redisAdapter;
     redisAdapter.setContext(redis);
 
-    qDebug() << "redis AUTH" << redisPassword;
+    if (!redisPassword.isEmpty())
+    {
+        qDebug() << "redis AUTH" << redisPassword;
 
-    redisAsyncCommand(redis, NULL, NULL, "AUTH %s",
-                      redisPassword.toUtf8().constData());
+        redisAsyncCommand(redis, NULL, NULL, "AUTH %s",
+                          redisPassword.toUtf8().constData());
+    }
 
     redisAsyncCommand(redis, NULL, NULL, "SET %s %s",
                       QString{"traefik/http/services/proxyjs_%0/loadbalancer/servers/0/url"}.arg(identity).toUtf8().constData(),