added NFS Backup as an alternative to smb

roles/borgbackup/templates/.cifs.j2

@@ -1,2 +0,0 @@
-username= {{ smb_username }}
-password= {{ smb_pass }}

roles/borgbackup/templates/backup_to_nfs.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+# Variablen
+data_dir="/home/{{ user['name'] }}/docker"
+nfs_share="{{ nfs_share }}"
+backup_target_usage_threshold="{{nfs_threshold}}" # Prozentuale Schwellenwert für die Speicherauslastung
+mount_point="{{ mount_point }}"
+backup_repository="$mount_point/{{borg_repo}}"
+borg_password="{{borg_pass}}"
+email_recipient="{{admin_mail}}"
+
+# Mounten des Backup-Ziels
+mount_successful=0
+mount_output=$(mount -t nfs "$nfs_share" "$mount_point" 2>&1)
+mount_status=$?
+
+if [ "$mount_status" -eq 0 ]; then
+    mount_successful=1
+else
+    echo "Mount fehlgeschlagen: $mount_output" >&2
+fi
+
+if [ "$mount_successful" -eq 1 ]; then
+    # Repository erstellen, falls nicht vorhanden
+    mkdir -p "$backup_repository"    
+
+    # Alle laufenden Container stoppen
+    running_containers=$(docker ps --format '{{ "{{.Names}}" }}')
+    for container in $running_containers; do
+      docker stop "$container"
+    done
+  
+    # Prüfen, ob das Repository existiert, und ggf. erstellen
+    export BORG_PASSPHRASE="$borg_password"
+    if ! borg list "$backup_repository" >/dev/null 2>&1; then
+        borg init --encryption=repokey "$backup_repository"
+    fi
+
+    # Backup mit BorgBackup erstellen
+    backup_result=$(borg create --progress --list --stats --compression lz4 "$backup_repository"::'{hostname}-{now:%Y-%m-%d_%H:%M:%S}' $data_dir 2>&1)
+    backup_status=$?
+
+    # Alle gestoppten Container starten
+    for container in $running_containers; do
+      docker start "$container"
+    done
+
+    # Backup-Integrität überprüfen
+    borg_check_result=$(borg check --repository-only "$backup_repository" 2>&1)
+
+    # Backup-Status und Speicherauslastung prüfen
+    if [ "$backup_status" -eq 0 ]; then
+      backup_result="Backup erfolgreich:\n$backup_result\n\nIntegrität des Backups überprüft:\n$borg_check_result"
+    else
+      backup_result="Backup fehlgeschlagen (Status: $backup_status):\n$backup_result\n\nIntegrität des Backups konnte nicht überprüft werden."
+    fi
+
+    # Retention Policy anwenden
+    borg_prune_result=$(borg prune --keep-daily=7 --keep-weekly=4 --keep-monthly=6 "$backup_repository" 2>&1)
+
+    # Unmounten des Backup-Ziels
+    umount_output=$(umount "$mount_point" 2>&1)
+    umount_status=$?
+    if [ "$umount_status" -ne 0 ]; then
+        echo "Unmount fehlgeschlagen: $umount_output" >&2
+    fi
+
+       # E-Mail senden
+    target_usage=$(df -h "$mount_point" | tail -1 | awk '{ print $5 }')
+    target_usage_number=${target_usage%%%}
+
+    if [ "$target_usage_number" -gt "$backup_target_usage_threshold" ]; then
+      target_usage_warning="\n\nWARNUNG: Die Speicherauslastung des Backup-Ziels beträgt $target_usage und überschreitet den festgelegten Schwellenwert von $backup_target_usage_threshold%."
+    else
+      target_usage_warning=""
+    fi
+
+hostname=$(hostname)
+mail_subject="Backup-Bericht: $hostname - $(date +'%Y-%m-%d %H:%M:%S')"
+mail_body="$backup_result\n"
+
+    echo -e "$mail_body$target_usage_warning" | mail -s "$mail_subject" -r "no-reply@homeserver.zernis.ch" "$email_recipient"
+fi

roles/borgbackup/templates/backup_to_smb.sh

@@ -23,14 +23,22 @@ else
 fi
 
 if [ "$mount_successful" -eq 1 ]; then
+    # Repository erstellen, falls nicht vorhanden
+    mkdir -p "$backup_repository"
+
     # Alle laufenden Container stoppen
-    running_containers=$(docker ps --format '{{.Names}}')
+    running_containers=$(docker ps --format '{{ "{{.Names}}" }}')
     for container in $running_containers; do
       docker stop "$container"
     done
 
-    # Backup mit BorgBackup erstellen
+    # Prüfen, ob das Repository existiert, und ggf. erstellen
     export BORG_PASSPHRASE="$borg_password"
+    if ! borg list "$backup_repository" >/dev/null 2>&1; then
+        borg init --encryption=repokey "$backup_repository"
+    fi
+
+    # Backup mit BorgBackup erstellen
     backup_result=$(borg create --progress --list --stats --compression lz4 "$backup_repository"::'{hostname}-{now:%Y-%m-%d_%H:%M:%S}' $data_dir 2>&1)
     backup_status=$?
 
@@ -59,7 +67,7 @@ if [ "$mount_successful" -eq 1 ]; then
         echo "Unmount fehlgeschlagen: $umount_output" >&2
     fi
 
-    # E-Mail senden
+       # E-Mail senden
     target_usage=$(df -h "$mount_point" | tail -1 | awk '{ print $5 }')
     target_usage_number=${target_usage%%%}
 
@@ -69,5 +77,9 @@ if [ "$mount_successful" -eq 1 ]; then
       target_usage_warning=""
     fi
 
-    mail_subject="Backup-Bericht: $(date +'%Y-%m-%d %H:%M:%S')"
-    mail_body="$backup_result\n
+hostname=$(hostname)
+mail_subject="Backup-Bericht: $hostname - $(date +'%Y-%m-%d %H:%M:%S')"
+mail_body="$backup_result\n"
+
+    echo -e "$mail_body$target_usage_warning" | mail -s "$mail_subject" -r "no-reply@homeserver.zernis.ch" "$email_recipient"
+fi

roles/borgbackup/templates/cifs.j2

@@ -0,0 +1,2 @@
+username={{ smb_username }}
+password={{ smb_pass }}