# Define IPs
OLD_IP="172.16.1.227"
NEW_IP="172.16.1.229"
CONF_FILE="/etc/rsyslog.d/99-remotelog.conf"

if [ -f "$CONF_FILE" ]; then
    echo "[+] Updating config from $OLD_IP to $NEW_IP..."
    
    # 1. Update the IP address
    sudo sed -i "s/$OLD_IP/$NEW_IP/g" "$CONF_FILE"
    
    # 2. Restart the service
    echo "[+] Restarting rsyslog..."
    sudo systemctl restart rsyslog
    
    # 3. Validation
    if grep -q "$NEW_IP" "$CONF_FILE"; then
        echo "[SUCCESS] Config updated."
        # Send a test log to the new server
        logger "MIGRATION_TEST: Hello 172.16.1.229 from $(hostname)"
        echo "[+] Test log sent. Check /var/log/syslog on the new server."
    else
        echo "[FAIL] Update failed. Check file permissions."
    fi
else
    echo "[-] Config file $CONF_FILE not found. Run the setup script first!"
fi