mirror of
https://git.local.zernis.ch/simon/homeserver.zernis.ch.git
synced 2025-12-15 21:09:40 +01:00
83 lines
3.0 KiB
Bash
83 lines
3.0 KiB
Bash
#!/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 |