Create check_pivpn.sh

Scripts to auto-update the openvpn_exporter "service_openvpn" metrics

check_pivpn.sh

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+#!/bin/bash
+
+# /usr/local/bin/check_pivpn.sh
+
+# Set the initial status
+status=""
+
+# Function to restart OpenVPN service
+restart_openvpn() {
+    systemctl restart openvpn_exporter
+}
+
+# Check if OpenVPN service is active
+if systemctl is-active --quiet openvpn; then
+    status="ACTIVE"
+else
+    status="NON-ACTIVE"
+fi
+
+# Display the initial status
+echo "Service is $status"
+
+# Continuously monitor the status and restart if it changes
+while true; do
+    # Check if OpenVPN service is active
+    if systemctl is-active --quiet openvpn; then
+        new_status="ACTIVE"
+    else
+        new_status="NON-ACTIVE"
+    fi
+
+    # Check if the status has changed
+    if [ "$new_status" != "$status" ]; then
+        status="$new_status"
+        echo "Service is now $status"
+
+        # Restart OpenVPN service
+        restart_openvpn
+    fi
+
+    # Sleep for a while before checking again
+    sleep 5
+done