improved exit

README.md

@@ -60,7 +60,7 @@ Dieses Projekt implementiert ein flexibles und robustes VPN-Überwachungsskript,
    chmod +x functions/*.sh
    ```
 
-4. Passe die `config.conf` Datei an:
+4. Kopiere `config.conf.sample` zu `config.conf` und passe die Datei an:
    - Definiere Netzwerkinterface, Schwellenwerte, Datenbankeinstellungen, SSH-Details und Logdateipfad.
 
 5. (Optional) Füge die Logrotation hinzu:

functions/network_check.sh

@@ -25,7 +25,9 @@ function check_network_traffic() {
     if (( $(echo "$avg_inbound < $THRESHOLD_INBOUND" | bc -l) )) || (( $(echo "$avg_outbound < $THRESHOLD_OUTBOUND" | bc -l) )); then
         log_critical "Network traffic below thresholds. Avg In: $avg_inbound KB/s, Avg Out: $avg_outbound KB/s."
         restart_service
+        exit 2  # Exit with error status if thresholds are not met
     else
         log_info "Network traffic is above thresholds. Avg In: $avg_inbound KB/s, Avg Out: $avg_outbound KB/s."
+        exit 0  # Exit with success status
     fi
 }

functions/restart_service.sh

@@ -21,4 +21,5 @@ function restart_service() {
     fi
 
     log_info "Service $SERVICE_NAME successfully restarted and verified."
+    return 0  # Erfolg
 }

functions/sql_check.sh

@@ -19,7 +19,9 @@ function check_sql_activity() {
     if (( (now - last_order_epoch) > 3600 && (now - last_bsi_epoch) > 7200 )); then
         log_critical "SQL activity check failed. No activity in expected timeframes."
         restart_service
+        exit 2  # Fehler, Dienst wurde neu gestartet
     else
         log_info "SQL activity is within acceptable limits."
+        exit 0  # Erfolg
     fi
 }

vpn_monitor.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 
-# Source Konfigurations- und Modul-Dateien
 source config.conf
 source functions/logging.sh
 source functions/network_check.sh
@@ -17,7 +16,7 @@ function is_within_business_hours() {
     fi
 }
 
-# Hauptlogik
+# Hauptscript
 function main() {
     log_info "Starting VPN monitoring script."
 
@@ -28,6 +27,9 @@ function main() {
         log_info "Outside business hours. Running SQL activity check."
         check_sql_activity
     fi
+
+    log_info "VPN monitoring script completed successfully."
+    exit 0
 }
 
 main