2.0

miyagi-backup.sh

@@ -25,8 +25,6 @@ while getopts "c:" opt; do
     *) usage ;;
   esac
 done
-
-# Bei Einzelaufruf muss Konfiguration geladen sein
 shift $((OPTIND - 1))
 
 if [[ -n "${CONFIG_FILE:-}" ]]; then
@@ -36,110 +34,91 @@ if [[ -n "${CONFIG_FILE:-}" ]]; then
   fi
 
   if ! bash -n "$CONFIG_FILE"; then
-    log "Syntaxfehler in Konfigurationsdatei $CONFIG_FILE"
+    log "Syntax error in configuration file $CONFIG_FILE"
     exit 1
   fi
 
   source "$CONFIG_FILE"
 
-    # ==========================
-    # Konfigurationsprüfung
-    # ==========================
   REQUIRED_VARS=(
-        SOURCEPORT
-        BACKUPSERVER
-        ZSYNC
-        MAINTDAY
-        SHUTDOWN
-        UPDATES
-        SOURCEHOST
-        ZFSROOT
-        ZFSSECOND
-        ZFSTRGT
-        ZPUSHTAG
-        ZPUSHMINKEEP
-        ZPUSHKEEP
-        ZPUSHLABEL
-        PBSHOST
-        BACKUPSTORE
-        BACKUPSTOREPBS
-        BACKUPEXCLUDE
-        REPLEXCLUDE
+    SOURCEPORT BACKUPSERVER ZSYNC MAINTDAY SHUTDOWN UPDATES
+    SOURCEHOST ZFSROOT ZFSSECOND ZFSTRGT ZPUSHTAG ZPUSHMINKEEP ZPUSHKEEP ZPUSHLABEL
+    PBSHOST BACKUPSTORE BACKUPSTOREPBS BACKUPEXCLUDE REPLEXCLUDE
   )
 
   MISSING_VARS=()
   for var in "${REQUIRED_VARS[@]}"; do
-        #if [[ -z "${!var:-}" ]]; then
-        if ! declare -p "$var" &>/dev/null || [[ -z "${!var}" ]]; then
+    if [[ -z "${!var:-}" ]]; then
       MISSING_VARS+=("$var")
     fi
   done
 
-    if [[ "${#MISSING_VARS[@]}" -ne 0 ]]; then
-        log "Fehlende Konfigurationsvariablen:"
+  if [[ "${#MISSING_VARS[@]}" -gt 0 ]]; then
+    log "Missing configuration variables:"
     for var in "${MISSING_VARS[@]}"; do
       log " - $var"
     done
-        log "Breche ab – bitte Konfigurationsdatei prüfen."
+    log "Aborting — please check your configuration file."
     exit 1
   else
-        log "Alle erforderlichen Konfigurationsvariablen sind gesetzt."
+    log "All required configuration variables are set."
   fi
 fi
 
-# Funktionen
-#remote_ssh() {
-#    ssh -p "$SOURCEPORT" "$@"
-#}
+rssh() { ssh -p "$SOURCEPORT" "$@"; }
+rscp() { scp -P "$SOURCEPORT" "$@"; }
 
-#remote_scp() {
-#    scp -P "$SOURCEPORT" "$@"
-#}
+get_sourcehostname() {
+  if [[ -z "${SOURCEHOSTNAME:-}" ]]; then
+    log "SOURCEHOSTNAME is empty, retrieving via SSH from $SOURCEHOST..."
+    SOURCEHOSTNAME=$(rssh "$SOURCEHOST" hostname)
+    log "Detected SOURCEHOSTNAME: $SOURCEHOSTNAME"
+  fi
+}
 
 set_wol_g_enabled() {
-    log "Pruefe, ob ethtool installiert ist..."
+  log "Checking if ethtool is installed..."
 
   if ! command -v ethtool >/dev/null 2>&1; then
-        log "ethtool ist nicht installiert, versuche Installation..."
+    log "ethtool is not installed, attempting installation..."
     apt update && apt install -y ethtool || {
-            log "Fehler: ethtool konnte nicht installiert werden."
+      log "Error: ethtool could not be installed."
       return 1
     }
   else
-        log "ethtool ist bereits installiert."
+    log "ethtool is already installed."
   fi
 
-    log "Pruefe und setze Wake-on-LAN (WOL) auf 'g' nur bei Interfaces mit statischer IP..."
+  log "Setting Wake-on-LAN (WOL) to 'g' on interfaces with static IP..."
 
   for iface in $(ls /sys/class/net | grep -vE '^(lo|tap|vmbr|veth|br|docker|bond|wl)'); do
     if [[ -e "/sys/class/net/$iface/device" ]]; then
-            log "Bearbeite physisches Interface: $iface"
+      log "Processing physical interface: $iface"
 
-            # Aktuellen WOL-Status pruefen
       current_wol=$(ethtool "$iface" 2>/dev/null | awk '/Wake-on:/ {print $2}')
       if [[ "$current_wol" != "g" ]]; then
-                log "Setze WOL auf 'g' fuer $iface..."
-                ethtool -s "$iface" wol g || log "Fehler beim Setzen von WOL auf $iface"
+        log "Setting WOL to 'g' for $iface..."
+        ethtool -s "$iface" wol g || log "Error setting WOL on $iface"
       else
-                log "WOL ist bereits korrekt auf 'g' fuer $iface"
+        log "WOL already set to 'g' for $iface"
       fi
 
-            # Pruefen, ob ein 'iface $iface inet static' Eintrag existiert
       if grep -qE "^\s*iface\s+$iface\s+inet\s+static" /etc/network/interfaces; then
         if ! grep -A 5 -E "^\s*iface\s+$iface\s+inet\s+static" /etc/network/interfaces | grep -q "post-up ethtool -s $iface wol g"; then
-                    log "Ergaenze WOL-Befehl im statischen Block fuer $iface..."
+          log "Adding WOL command in static block for $iface..."
           sed -i "/^\s*iface\s\+$iface\s\+inet\s\+static/a \    post-up ethtool -s $iface wol g" /etc/network/interfaces
         else
-                    log "WOL-Befehl fuer $iface ist bereits im statischen Block vorhanden."
+          log "WOL command already present in static block for $iface."
         fi
       else
-                log "Kein statischer Eintrag fuer $iface gefunden, keine Aenderung vorgenommen."
+        log "No static entry found for $iface, no changes made."
       fi
     fi
   done
 }
 
 write_zsync_config() {
+  get_sourcehostname
   local conf_file="/etc/bashclub/$SOURCEHOST.conf"
   log "Writing zsync config to $conf_file"
   {
@@ -166,30 +145,34 @@ run_zsync() {
   if [[ "$ZSYNC" != "no" ]]; then
     /usr/bin/bashclub-zsync -c "/etc/bashclub/$SOURCEHOST.conf"
   else
-        log "Zsync is disabled"
+    log "Zsync is disabled."
   fi
 }
 
 run_remote_updates() {
-    if [[ "$UPDATES" == "yes" ]]; then
-        ssh "$PBSHOST" apt update && apt dist-upgrade -y
+  if [[ "${UPDATES,,}" == "yes" ]]; then
+    log "Running updates on local system..."
+    apt update && apt dist-upgrade -y || log "Error during local updates"
+
+    if [[ "${BACKUPSERVER,,}" == "yes" ]]; then
+      log "Running updates on PBS host ($PBSHOST)..."
+      ssh root@"$PBSHOST" apt update && ssh root@"$PBSHOST" apt dist-upgrade -y || {
+        log "Error during updates on $PBSHOST"
+      }
     else
-        log "Remote updates disabled"
+      log "PBS updates skipped (BACKUPSERVER=$BACKUPSERVER)"
+    fi
+  else
+    log "Updates disabled (UPDATES=$UPDATES)"
   fi
 }
 
-send_piggyback_data() {
-    # Falls SOURCEHOSTNAME leer ist, ueber SSH vom Zielhost ermitteln
-    if [[ -z "${SOURCEHOSTNAME:-}" ]]; then
-        log "SOURCEHOSTNAME is empty retrieving via SSH from $SOURCEHOST..."
-        SOURCEHOSTNAME=$(ssh -p "$SOURCEPORT" "$SOURCEHOST" hostname)
-        log "Detected SOURCEHOSTNAME: $SOURCEHOSTNAME"
-    fi
-
+send_piggyback() {
+  get_sourcehostname
   local combined_host="miyagi-${SOURCEHOSTNAME}-$(hostname)"
   local filename="90000_${combined_host}"
 
-    log "Do nott forget to add a Host in CMK named: ${combined_host} (without Agent, Piggyback enabled)!"
+  log "Reminder: Add a host named ${combined_host} in CMK (without Agent, Piggyback enabled)!"
   log "Creating piggyback file: $filename"
 
   {
@@ -198,76 +181,94 @@ send_piggyback_data() {
     echo "<<<<>>>>"
   } > "$filename"
 
-    if scp -P "$SOURCEPORT" "$filename" "$SOURCEHOST:/var/lib/check_mk_agent/spool/"; then
+  if rscp "$filename" "$SOURCEHOST:/var/lib/check_mk_agent/spool/"; then
     log "Piggyback data successfully sent to $SOURCEHOST"
   else
     log "ERROR: Failed to send piggyback data to $SOURCEHOST"
   fi
+
+  rm -f "$filename"
 }
 
 run_pbs_backup() {
-    if [[ -z "${SOURCEHOSTNAME:-}" ]]; then
-        SOURCEHOSTNAME=$(ssh -p "$SOURCEPORT" root@"$SOURCEHOST" hostname)
+  if [[ "${BACKUPSERVER,,}" != "yes" ]]; then
+    log "PBS Backup übersprungen: BACKUPSERVER='$BACKUPSERVER' (muss 'yes' sein)"
+    return 0
   fi
 
-    log "Running PBS vzdump job..."
+  get_sourcehostname
+  log "Starte PBS Backup auf Host: $SOURCEHOST"
 
-    # PBS-Storage ggf. aktivieren
-    log "Checking if PBS storage '$BACKUPSTORE' is enabled on $SOURCEHOST..."
-    if ssh -p "$SOURCEPORT" root@"$SOURCEHOST" "pvesm status | grep -w '$BACKUPSTORE' | grep -q 'disabled'"; then
-        log "PBS storage '$BACKUPSTORE' is disabled. Attempting to enable... sleep 10 Sekunden"
-        ssh -p "$SOURCEPORT" root@"$SOURCEHOST" "pvesm set '$BACKUPSTORE' --disable 0 && sleep 10"
+  # PBS-Storage prüfen und ggf. aktivieren
+  log "Prüfe, ob PBS-Storage '$BACKUPSTORE' auf $SOURCEHOST aktiviert ist..."
+  if rssh root@"$SOURCEHOST" "pvesm status | grep -w '$BACKUPSTORE' | grep -q 'disabled'"; then
+    log "PBS-Storage '$BACKUPSTORE' ist deaktiviert – aktiviere temporär und warte 10 Sekunden..."
+    rssh root@"$SOURCEHOST" "pvesm set '$BACKUPSTORE' --disable 0 && sleep 10"
     pbs_enabled_by_script=true
   else
-        log "PBS storage '$BACKUPSTORE' is already enabled."
+    log "PBS-Storage '$BACKUPSTORE' ist bereits aktiviert."
     pbs_enabled_by_script=false
   fi
 
   vzdump_success=false
 
-    # Hauptversuch mit --pbs-change-detection-mode
-    if ssh -p "$SOURCEPORT" root@"$SOURCEHOST" vzdump --pbs-change-detection-mode metadata \
+  # Versuch: vzdump mit Change Detection
+  ## Eintrag muss in /etc/vzdump.conf entries-max 100000000
+  log "Starte vzdump mit Change Detection..."
+  if rssh root@"$SOURCEHOST" vzdump --pbs-change-detection-mode metadata \
     --node "$SOURCEHOSTNAME" --storage "$BACKUPSTORE" \
     --exclude "$BACKUPEXCLUDE" --mode snapshot --all 1 \
     --notes-template '{{guestname}}'; then
 
-        log "vzdump with change-detection-mode succeeded"
+    log "vzdump (Change Detection) erfolgreich."
     vzdump_success=true
-
   else
-        log "Fallback: vzdump with change-detection-mode failed, trying without it..."
+    log "vzdump (Change Detection) fehlgeschlagen – versuche Fallback ohne Change Detection..."
 
-        if ssh -p "$SOURCEPORT" root@"$SOURCEHOST" vzdump \
+    if rssh root@"$SOURCEHOST" vzdump \
       --node "$SOURCEHOSTNAME" --storage "$BACKUPSTORE" \
       --exclude "$BACKUPEXCLUDE" --mode snapshot --all 1 \
       --notes-template '{{guestname}}'; then
 
-            log "Fallback vzdump succeeded"
+      log "Fallback-vzdump erfolgreich."
       vzdump_success=true
-
     else
-            log "ERROR: vzdump failed even after fallback"
+      log "FEHLER: vzdump fehlgeschlagen – auch im Fallback."
     fi
   fi
 
-    # PBS-Storage wieder deaktivieren, wenn zuvor aktiviert und erfolgreich
+  # PBS-Storage ggf. wieder deaktivieren
   if [[ "$vzdump_success" == true && "$pbs_enabled_by_script" == true ]]; then
-        log "Disabling PBS storage '$BACKUPSTORE' again on $SOURCEHOST..."
-        ssh -p "$SOURCEPORT" root@"$SOURCEHOST" "pvesm set '$BACKUPSTORE' --disable 1"
+    log "Deaktiviere temporär aktiviertes PBS-Storage '$BACKUPSTORE' auf $SOURCEHOST..."
+    rssh root@"$SOURCEHOST" "pvesm set '$BACKUPSTORE' --disable 1"
   fi
 
-    # Monitoring-Output für Checkmk
+  # Monitoring-Ausgabe
   if [[ "$vzdump_success" == true ]]; then
-        echo "0 DailyPBS - Daily Backup" > /tmp/cmk_tmp.out
+    echo "0 DailyPBS - Daily Backup erfolgreich" > /tmp/cmk_tmp.out
   else
-        echo "2 DailyPBS - Daily Backup FAILED" > /tmp/cmk_tmp.out
+    echo "2 DailyPBS - Daily Backup FEHLGESCHLAGEN" > /tmp/cmk_tmp.out
   fi
 
-    ( echo "<<<local>>>" ; cat /tmp/cmk_tmp.out ) > /tmp/90000_checkpbs
-    scp -P "$SOURCEPORT" /tmp/90000_checkpbs root@"$SOURCEHOST":/var/lib/check_mk_agent/spool || log "Fehler beim SCP des Monitoring-Outputs"
+  {
+    echo "<<<local>>>"
+    cat /tmp/cmk_tmp.out
+  } > /tmp/90000_checkpbs
+
+  rscp /tmp/90000_checkpbs root@"$SOURCEHOST":/var/lib/check_mk_agent/spool \
+    || log "Fehler beim Übertragen des Monitoring-Outputs via SCP"
+
+  rm -f /tmp/cmk_tmp.out /tmp/90000_checkpbs
+  #write_pbs_status
 }
 
+
 run_maintenance() {
+  if [[ "${BACKUPSERVER,,}" != "yes" ]]; then
+    log "PBS Backup wird übersprungen (BACKUPSERVER=$BACKUPSERVER)"
+    return
+  fi
+  
   if [[ "$(date +%u)" == "$MAINTDAY" ]]; then
     log "Running maintenance..."
     PRUNEJOB=$(ssh "$PBSHOST" proxmox-backup-manager prune-job list --output-format json-pretty | grep -m 1 "id" | cut -d'"' -f4)
@@ -279,42 +280,35 @@ run_maintenance() {
   fi
 }
 
-run_scrub_stop_src() {
-    ssh -p "$SOURCEPORT" root@"$SOURCEHOST" 'for pool in $(zpool list -H -o name); do
-        echo "Stoppe Scrub auf Pool: $pool"
-        if zpool status "$pool" | grep -q "scrub in progress"; then
-            if zpool scrub -s "$pool"; then
-                echo "Scrub auf $pool gestoppt"
-            else
-                echo "Fehler beim Stoppen des Scrubs auf $pool"
-            fi
-        else
-            echo "Kein aktiver Scrub auf $pool"
-        fi
-    done'
-}
+run_scrub_stop() {
+  local mode="$1" # "local" oder "remote"
+  local ssh_cmd=()
 
-run_scrub_stop_local() {
+  if [[ "$mode" == "remote" ]]; then
+    ssh_cmd=(ssh -p "$SOURCEPORT" root@"$SOURCEHOST")
+  fi
+
+  "${ssh_cmd[@]}" bash -c '
     for pool in $(zpool list -H -o name); do
-        echo "Stoppe Scrub auf Pool: $pool"
+      echo "Stopping scrub on pool: $pool"
       if zpool status "$pool" | grep -q "scrub in progress"; then
         if zpool scrub -s "$pool"; then
-                echo "Scrub auf $pool gestoppt"
+          echo "Scrub stopped on $pool"
         else
-                echo "Fehler beim Stoppen des Scrubs auf $pool"
+          echo "Error stopping scrub on $pool"
         fi
       else
-            echo "Kein aktiver Scrub auf $pool"
+        echo "No active scrub on $pool"
       fi
     done
+  '
 }
 
-shutdown_if_requested() {
-    log "SHUTDOWN-Variable: '${SHUTDOWN:-nicht gesetzt}'"
-    #if [[ "${SHUTDOWN,,}" == "yes" ]]; then
-    if [[ "$(echo "$SHUTDOWN" | tr '[:upper:]' '[:lower:]')" == "yes" ]]; then
-        send_piggyback_data
-        send_piggyback_data_external
+shutdown_now() {
+  if [[ "${SHUTDOWN,,}" == "yes" ]]; then
+    send_piggyback
+    send_piggyback_external
+    send_checkzfs_external
     log "Shutting down now..."
     shutdown now
   else
@@ -322,117 +316,113 @@ shutdown_if_requested() {
   fi
 }
 
-send_piggyback_data_external() {
+send_piggyback_external() {
     if [[ "${EPIGGYBACK,,}" != "yes" ]]; then
         log "Externer Piggyback-Export deaktiviert."
         return
     fi
-
-    if [[ -z "$EPIGGYBACK_HOST" || -z "$EPIGGYBACK_PORT" ]]; then
-        log "EPIGGYBACK_HOST oder EPIGGYBACK_PORT nicht gesetzt – Abbruch."
-        return 1
-    fi
+    get_sourcehostname
+    log "Ermittelter SOURCEHOSTNAME: $SOURCEHOSTNAME"
 
     local combined_host="miyagi-${SOURCEHOSTNAME}-$(hostname)"
-    local filename="90000_${combined_host}_external"
+    local spool_file="90000_${combined_host}_external"
+    local temp_dir
+    temp_dir=$(mktemp -d)
 
-    log "Erzeuge externe Piggyback-Datei: $filename"
+    log "Erzeuge temporäre Piggyback-Datei: $temp_dir/$spool_file"
 
     {
         echo "<<<<${combined_host}>>>>"
         /usr/bin/check_mk_agent
         echo "<<<<>>>>"
-    } > "$filename"
+    } > "$temp_dir/$spool_file"
 
-    if scp -P "$EPIGGYBACK_PORT" "$filename" "$EPIGGYBACK_HOST:/var/lib/check_mk_agent/spool/"; then
-        log "Piggyback-Daten erfolgreich an $EPIGGYBACK_HOST gesendet."
+    if scp -P "$EPIGGYBACK_PORT" "$temp_dir/$spool_file" "$EPIGGYBACK_HOST:/var/lib/check_mk_agent/spool/"; then
+        log "Piggyback-Daten erfolgreich an $EPIGGYBACK_HOST gesendet: $spool_file"
     else
-        log "Fehler beim Senden der Piggyback-Daten an $EPIGGYBACK_HOST"
+        log "Fehler beim Übertragen der Piggyback-Daten an $EPIGGYBACK_HOST"
+        rm -rf "$temp_dir"
+        return 1
     fi
 
-    rm -f "$filename"
+    rm -rf "$temp_dir"
+    return 0
 }
 
-send_checkzfs_output_external() {
-    if [[ "${ECHECKZFS,,}" == "yes" ]]; then
-        log "ECHECKZFS aktiviert – beginne Monitoring-Ausgabe."
-    else
-        log "ECHECKZFS ist deaktiviert – überspringe Monitoring-Ausgabe."
+send_checkzfs_external() {
+        if [[ "${ECHECKZFS,,}" != "yes" ]]; then
+        log "Externer Piggyback-Export deaktiviert."
+        return
+    fi
+    local config="/etc/bashclub/${SOURCEHOST}.conf"
+    if [[ ! -f "$config" ]]; then
+        log "Konfigurationsdatei fehlt: $config"
+        return 1
+    fi
+    source "$config"
+
+    if [[ "${ECHECKZFS,,}" != "yes" ]]; then
+        log "Externer Check-ZFS deaktiviert (ECHECKZFS=$ECHECKZFS)"
         return
     fi
 
-    local checkzfs_cmd
-    checkzfs_cmd=$(which checkzfs)
+    get_sourcehostname  # Setzt SOURCEHOSTNAME, wenn nicht vorhanden
 
-    if [[ -z "$checkzfs_cmd" ]]; then
-        log "check_zfs ist nicht installiert – Abbruch."
-        return
+    local checkzfs_cmd="${checkzfs_cmd:-$(command -v checkzfs)}"
+    if [[ -z "$checkzfs_cmd" || ! -x "$checkzfs_cmd" ]]; then
+        log "checkzfs nicht gefunden oder nicht ausführbar – Abbruch."
+        return 1
     fi
+    log "Verwende checkzfs: $checkzfs_cmd"
 
-    local config_file="/etc/bashclub/${SOURCEHOST}.conf"
-
-    if [[ ! -f "$config_file" ]]; then
-        log "Konfigurationsdatei $config_file nicht gefunden – check_zfs-Ausführung abgebrochen."
-        return
+    # Filter anhand ZFS-Tags auf dem SOURCEHOST aufbauen
+    local filter=""
+    while IFS=$'\t' read -r name value source; do
+        if [[ "$source" == "local" && "$value" == "subvols" ]]; then
+            filter+="${name}/|"
+        elif [[ "$source" == "local" && "$value" == "all" ]]; then
+            filter+="${name}|"
         fi
+    done < <(ssh -p "$SOURCEPORT" "$SOURCEHOST" "zfs get -H -o name,value,source -t filesystem,volume $ZPUSHTAG")
 
-    # Konfiguration einlesen
-    log "Lese Konfiguration aus $config_file..."
-    source "$config_file"
+    filter="#${filter%|}"
+    log "Generierter ZFS-Filter: $filter"
 
-    # Prüfung auf deaktiviertes Monitoring in der Konfig
-    if [[ "${checkzfs_disabled:-0}" -eq 1 ]]; then
-        log "check_zfs Monitoring laut Konfiguration deaktiviert – überspringe."
-        return
-    fi
+    local combined="miyagi-${SOURCEHOSTNAME}-$(hostname)"
+    local spoolfile="/tmp/${combined}_checkzfs_external"
+    local spooldest="90000_${combined}_checkzfs_external"
 
-    local spool_tmp="/tmp/${checkzfs_spool_maxage}_${checkzfs_prefix}"
-    local remote_host="$ECHECKZFS_HOST"
-    local remote_port="$ECHECKZFS_PORT"
-
-    echo "<<<local>>>" > "$spool_tmp"
-
-    log "Generiere check_zfs Monitoring-Ausgabe mit Prefix $checkzfs_prefix..."
-
-    $checkzfs_cmd --source "$source:$soru" \
-                  --output checkmk \
+    log "Führe checkzfs aus..."
+    {
+        echo "<<<local>>>"
+        "$checkzfs_cmd" \
+            --source root@"${SOURCEHOST}:${SOURCEPORT}" \
+            --filter "$filter" \
+            --replicafilter "^${ZFSTRGT}" \
+            --prefix "$checkzfs_prefix" \
             --threshold "$checkzfs_max_age" \
             --maxsnapshots "$checkzfs_max_snapshot_count" \
-                  --prefix "$checkzfs_prefix" \
-                  --replicafilter "^${target}" \
-                  --filter "$snapshot_filter" >> "$spool_tmp"
+            --output checkmk
+    } > "$spoolfile"
 
-    if [[ -s "$spool_tmp" ]]; then
-        log "Übertrage Spool-Datei an $remote_host über Port $remote_port..."
-        scp -P "$remote_port" "$spool_tmp" root@"$remote_host":/var/lib/check_mk_agent/spool/ && \
-            log "Spool-Datei erfolgreich übertragen." || \
-            log "Fehler beim Übertragen der Spool-Datei."
-        rm -f "$spool_tmp"
+    if scp -P "$ECHECKZFS_PORT" "$spoolfile" root@"$ECHECKZFS_HOST":/var/lib/check_mk_agent/spool/"$spooldest"; then
+        log "Spool-Datei erfolgreich übertragen an $ECHECKZFS_HOST:$spooldest"
     else
-        log "check_zfs-Ausgabe war leer – keine Übertragung erfolgt."
-        rm -f "$spool_tmp"
+        log "Fehler beim Übertragen der Spool-Datei an $ECHECKZFS_HOST"
     fi
+
+    rm -f "$spoolfile"
 }
 
-
-main() {
+# Main execution:
+if [[ $# -eq 0 ]]; then
+  if [[ -n "$CONFIG_FILE" ]]; then
     log "Backup-Routine startet in 60 Sekunden..."
     sleep 60
-    log "Starting full backup routine..."
-
-    log "Versuche Hostname von $SOURCEHOST via SSH (Port $SOURCEPORT) abzurufen..."
-    if ! SOURCEHOSTNAME=$(ssh -p "$SOURCEPORT" -o ConnectTimeout=5 -o BatchMode=yes "$SOURCEHOST" hostname 2>/dev/null); then
-        log "Error: Hostname von $SOURCEHOST konnte nicht abgerufen werden – Abbruch."
-        exit 1
-    fi
-    log "Hostname von $SOURCEHOST: $SOURCEHOSTNAME"
-
-    set_wol_g_enabled
+    #log "Starting full backup routine..."
+    log "Running full backup using configuration file: $CONFIG_FILE"
     write_zsync_config
     run_zsync
-    send_checkzfs_output_external
-    run_scrub_stop_local
-    run_scrub_stop_src
     
     if [[ "${BACKUPSERVER,,}" == "yes" ]]; then
         log "BACKUPSERVER ist aktiviert, führe Backup aus..."
@@ -441,23 +431,23 @@ main() {
     else
         log "BACKUPSERVER ist nicht aktiviert (BACKUPSERVER=$BACKUPSERVER), überspringe Backup."
     fi
-
     run_remote_updates
-    # run_updates
-
-    shutdown_if_requested
-}
-
-# Funktionsbasierter Aufruf
-if [[ "${1:-}" == "help" ]]; then
-    echo "Verfuegbare Funktionen:"
-    declare -F | awk '{print " - " $3}' | grep -v "^ - _"
-    exit 0
-elif [[ "${1:-}" =~ ^[a-zA-Z0-9_]+$ && "$(type -t "$1")" == "function" ]]; then
-    FUNC="$1"
-    shift
-    "$FUNC" "$@"
-    exit 0
+    shutdown_now
   else
-    main
+    usage
+  fi
+else
+  case "$1" in
+    help)
+      declare -F | awk '{print $3}' | grep -v "^_" | grep -v "^main$"
+      ;;
+    *)
+      if declare -F "$1" >/dev/null 2>&1; then
+        "$@"
+      else
+        log "Function $1 not found."
+        usage
+      fi
+      ;;
+  esac
 fi