Vorläufige Aufteilung auf einzelne Scripts
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#!/usr/bin/env bash
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#
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# Aufruf via ssh auf dem jew. Server
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#
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# $1 - Logfile für den Backup-Lauf
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#
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# cron job auf nathan
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#
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# je Server:
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#
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# ssh nathan sudo /var/srv/nas/Server/bin/backup/cron.sh /var/srv/nas/backups/log/nathan-backup-full.log --daily
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# ssh hamiller sudo /var/srv/nas/Server/bin/backup/cron.sh /var/srv/nas/backups/log/hamiller-backup-full.log --daily
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# ssh synology sudo /volume1/nfs/Server/bin/backup/cron.sh /volume1/nfs/backups/log/synology-backup-full.log --daily
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# ssh synology sudo /volume1/nfs/Server/bin/backup/cron.sh /volume1/nfs/backups/log/synology-backup-media-full.log --weekly
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#
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LOG="$1"
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shift
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HERE=$(dirname "$0")
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$HERE/main.sh -a "$@" >"$LOG" 2>&1 &
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Executable
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#!/usr/bin/eval bash
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# TODO: cmd line handling
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# fn für div. Aktionen (gemeinsame?)
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BACKUP_ROOT=/var/docker/tmp
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backup_data() {
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TARGET_DIR="$BACKUP_ROOT/backup.$DAY"
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NAS_ROOT=/var/srv/nas/backups
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LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup.log"
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log INFO "*** *** Begin hamiller server backup"
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delete_dir $TARGET_DIR
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check_directory $TARGET_DIR
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# TODO: docker down
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backup_all_dirs "/var" "$TARGET_DIR" # docker
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# backup_all_dirs "/var/docker" "$TARGET_DIR" vol tmp
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# backup_all_dirs "/var/docker/vol" "$TARGET_DIR"
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# TODO: docker up
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# TODO: copy backup files to NAS
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log INFO "*** End of hamiller server backup"
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list_archives $BACKUP_ROOT
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}
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# TODO: restore fn
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while :; do
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case $1 in
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--daily)
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backup_data
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break
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;;
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--restore)
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# TODO
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break
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;;
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*) # Default case: No more options, so break out of the loop.
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break
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esac
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shift
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done
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Executable
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@@ -0,0 +1,222 @@
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HOST_NAME=$(hostname)
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DAY=$(date +%u)
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PASSPHRASE=1234567890
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EXT=tgz.gpg
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LIST_EXT=txt
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# check if function $1 exists
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#
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# returns true/false
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#
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isFunction() { declare -Ff "$1" ; }
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# Log-Datei schreiben.
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#
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# Die Ausgabe geht auch auf STDOUT, dadurch kann die vollständige Ausgabe,
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# einschließlich Status- und Fehlermeldungen der Programme in ein erweitertes
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# Log für die Fehlersuche umgeleitet werden.
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#
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# $1 - Typ, z.B. INFO, WARN, ERROR, etc.
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# $2 ff. - die Meldung, die ins Log geschreiben wird
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#
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log() {
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local type=$1
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if [ "$type" == "ERROR" ]; then ERROR=0; fi
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shift 1
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echo "$(date '+%d.%m.%Y %H:%M:%S') - $type $@" | sudo tee -a $LOG_FILE
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}
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# Ist $1 in der Liste der restlichen args $2, $3 ...
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#
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# zB. if is_in "foo" "foo" "bar" "foo bar" ; then ...
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# Leere Liste liefert immer false
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#
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is_in() {
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local search="$1"
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shift 1
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local e
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for e in "$@"; do [[ "$e" == "$search" ]] && return 0; done
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return 1
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}
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# Alle Verzechnisnamen in einem Verzeichnis holen.
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#
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# $1 - Verzeichnis in dem gesucht wird als absoluter Pfad
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# $2 ff. - auszuschliessende Verzeichnisse (kann leer bleiben)
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#
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iterate_dirs_in() {
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local dirname
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local root=$1
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shift 1
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for dir in $(sudo find "$root" -maxdepth 1 -type d \! -wholename "$root"); do
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dirname=$(basename $dir)
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if ! is_in "$dirname" "$@"; then
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echo "$dirname"
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fi
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done
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}
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# create directory if it not exists
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#
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# $1 - dir to check
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#
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check_directory() {
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local dir=$1
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if [ -d "$1" ]; then
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return 0
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else
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mkdir -p "$1" && return 0
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sudo mkdir -p "$1" && return 0
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log ERROR "### could not create directory $1!"
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# no chance to recover
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exit 1
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fi
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}
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# Verzeichnis löschen
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#
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# Im Fehlerfall wird rc=1 zurückgegeben
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#
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# $1 - zu löschendes Verzeichnis
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#
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delete_dir() {
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local dir=$1
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sudo rm -rf "$dir" && return 0
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log ERROR "### could not delete directory $1!"
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# return error, so caller can decide what to do
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return 1
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}
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# Slashes "/" im Pfadnamen durch Dashes "-" ersetzen, so dass der String als Dateiname verwendet werden kann.
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#
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# $1 - path
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backup_file_prefix() {
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echo "$1" | sed -E 's/^\///' | sed -E 's/\//-/g'
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}
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# Verzeichnise in .tgz.gpg-Dateien sichern.
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#
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# $1 - Verzeichnis, das gesichert wird: alle Verzeichnisse darunter werden einzeln als .tgz.gpg-Datei gesichert
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# $2 - Zielverzeichnis für .tgz.gpg-Dateien
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# $3 ff. - Verzeichnisse, die nicht gesichert werden sollen (kann leer bleiben)
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#
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backup_all_dirs() {
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local root=$1
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local target=$2
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local prefix=$(backup_file_prefix $root)
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local tar_file
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local dir
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shift 2
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for dir in $(iterate_dirs_in "$root" "$@"); do
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tar_file="$target/$prefix-$dir.$EXT"
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backup_dir "$root" "$tar_file" "$dir"
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create_list "$tar_file" "$dir"
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test_integrity "$tar_file"
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done
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}
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# Einzelnes Verzeichnis sichern.
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#
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# $1 - Pfad um Verzeichnis, das gesichert werden soll
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# $2 - Zielpfad und -name für das Archiv
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# $2 - zu sicherndes Verzeichnis
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#
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backup_dir() {
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local root=$1
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local archive=$2
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local dir=$3
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log INFO "--- Backup $root/$dir -> $archive"
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sudo tar -c -z --numeric-owner --one-file-system --exclude "@eaDir" -C "$root" "$dir" | sudo gpg --batch -c --passphrase $PASSPHRASE -o "$archive"
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local rc=$?
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if [ "$rc" == "0" ] ; then
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log INFO "*** success"
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else
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log ERROR "### see full log"
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fi
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}
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# Inhalt des Archivs in eine Textdatei ausgeben.
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#
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# $1 - Archiv
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#
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create_list() {
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local archive=$1
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log INFO "--- List $archive"
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sudo gpg --batch --decrypt --passphrase $PASSPHRASE "$archive" | sudo tar -tzv | sudo tee "$archive.$LIST_EXT" >/dev/null
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local rc=$?
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if [ "$rc" == "0" ] ; then
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log INFO "*** success"
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else
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log ERROR "### see full log"
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fi
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}
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# Integrität des Archivs testen, indem es entschlüsselt, entpackt
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# und der Inhalt auf /dev/null ausgegeben wird.
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#
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# $1 - Archiv
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#
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test_integrity() {
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local archive=$1
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log INFO "--- Check integrity of $archive"
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sudo gpg --batch --decrypt --passphrase $PASSPHRASE "$archive" | sudo tar -xzO >/dev/null
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local rc=$?
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if [ "$rc" == "0" ] ; then
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log INFO "*** success"
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else
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log ERROR "### see full log"
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fi
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}
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# Restore aus Archiv
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#
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# Wird nach pwd ausgegeben!
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#
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# $1 - Archiv, ggf. mit Pfad
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# $2 ff. - zurückzusichernde Dateien/Verzeichnisse
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#
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restore() {
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local archive=$1
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shift 1
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sudo gpg --batch --decrypt --passphrase $PASSPHRASE "$archive" | sudo tar -xzv $@ >/dev/null
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local rc=$?
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if [ "$rc" == "0" ] ; then
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log INFO "*** success"
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else
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log ERROR "### see full log"
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fi
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}
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# Liste der Archives auf stdout ausgeben
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#
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# Zeigt alle Archive incl. Verzeichnis (ohne $1) an
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#
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# z.B.
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# $1 = /volume1/nfs/backups
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# ...
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# /daily/synology/backup.3/volume1-nfs-Server.tgz.gpg
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# /weekly/synology/volume1-media-books.tgz.gpg
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#
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# $1 - Verzeichnis unter dem alle Backups liegen
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#
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list_archives() {
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local target=$1
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local targ=${target//\//\\\/} # slashes escapen
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echo "#$targ#"
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sudo find "$target" -type f -name "*.$EXT" | grep "${HOST_NAME}/" | sed -E "s/^$targ//"
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}
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# Inhalt des Archivs $2 auf stdout ausgeben
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#
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# $1 - Verzeichnis unter dem alle Backups liegen
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# $2 - Archiv-Datei mit Pfad ab $1
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#
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list_archive_content() {
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local root=$1
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local archive=$2
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sudo cat "$root/${archive/#\//}.$LIST_EXT"
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}
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@@ -0,0 +1,96 @@
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#!/bin/bash
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#
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# entrypoint for all actions
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#
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HERE=$(dirname "$0")
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. $HERE/main.inc.sh
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show_help() {
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echo "usage: $0 options"
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echo " -a, --auto start nightly backup on local machine"
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echo " --list list archives"
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echo ' --content <archive> '
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echo " show contents of archive"
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echo ' -r, --restore <archive> <file(s)> '
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echo " restore files from archive to pwd"
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echo " -h, -?. --help show this help"
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}
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echo " ### main.sh"
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# Initialize all the option variables.
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# This ensures we are not contaminated by variables from the environment.
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file=
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archive=
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while :; do
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case $1 in
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-h|-\?|--help)
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show_help # Display a usage synopsis.
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exit 0
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;;
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-a|--auto)
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shift
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. $HERE/$HOST_NAME.sh "$@" # >$LOGF 2>&1
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break # exit kehrt nicht zu run.sh zurück
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;;
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--list)
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. $HERE/$HOST_NAME.sh -l
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break;
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;;
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--content)
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if [ "$2" ]; then
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. $HERE/$HOST_NAME.sh -c $2
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else
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echo 'ERROR: "--content" requires a non-empty option argument.'
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fi
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break
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;;
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-r|--restore)
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if [ "$2" ]; then
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echo "not yet implemented"
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archive=$2
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shift
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#. $HERE/$HOST_NAME.sh -r $archive $@
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else
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echo 'ERROR: "--restore" requires a non-empty option argument.'
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fi
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break
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;;
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# --- example -> https://mywiki.wooledge.org/BashFAQ/035
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-f|--file) # Takes an option argument; ensure it has been specified.
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if [ "$2" ]; then
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file=$2
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shift
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else
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die 'ERROR: "--file" requires a non-empty option argument.'
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fi
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;;
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--file=?*)
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file=${1#*=} # Delete everything up to "=" and assign the remainder.
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;;
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--file=) # Handle the case of an empty --file=
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die 'ERROR: "--file" requires a non-empty option argument.'
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;;
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--) # End of all options.
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shift
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break
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;;
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-?*)
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echo "WARN: Unknown option (ignored): $1"
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echo
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show_help
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exit
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;;
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*) # Default case: No more options, so break out of the loop.
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break
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esac
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shift
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done
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@@ -0,0 +1,51 @@
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#!/usr/bin/env bash
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# TODO: cmd line handling
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# fn für div. Aktionen (gemeinsame?)
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BACKUP_ROOT=/var/docker/tmp
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backup_data() {
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TARGET_DIR="$BACKUP_ROOT/backup.$DAY"
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NAS_ROOT=/var/srv/nas/backups
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LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup.log"
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log INFO "*** *** Begin nathan server backup"
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delete_dir "$TARGET_DIR"
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check_directory "$TARGET_DIR"
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# TODO: docker down
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backup_all_dirs "/var" "$TARGET_DIR" docker
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backup_all_dirs "/var/docker" "$TARGET_DIR" vol tmp
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backup_all_dirs "/var/docker/vol" "$TARGET_DIR"
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# TODO: docker up
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# TODO: copy backup files to NAS
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log INFO "*** End of nathan server backup"
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list_archives $BACKUP_ROOT
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}
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# TODO: restore fn
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while :; do
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case $1 in
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--daily)
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backup_data
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break
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;;
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--restore)
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# TODO
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break
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;;
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*) # Default case: No more options, so break out of the loop.
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break
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esac
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shift
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done
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Executable
+96
@@ -0,0 +1,96 @@
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#!/usr/bin/eval bash
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# TODO: cmd line handling
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# fn für div. Aktionen (gemeinsame?)
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NAS_ROOT=/volume1/nfs/backups
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backup_media() {
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TARGET_DIR="$NAS_ROOT/weekly/$HOST_NAME"
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LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup-media.log"
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log INFO "*** *** Begin NAS backup (media/books, media/music)"
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EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found" serien tmp video "video.archive")
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check_directory $TARGET_DIR
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# media/books media/music
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backup_all_dirs "/volume1/media" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"
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log INFO "*** End of NAS backup"
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list_archives $TARGET_DIR
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}
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backup_data() {
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TARGET_DIR="$NAS_ROOT/daily/$HOST_NAME/backup.$DAY"
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LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup.log"
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log INFO "*** *** Begin NAS backup (data, nfs)"
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EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found")
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delete_dir $TARGET_DIR # bei Fehler werden die Dateien hoffentlich überschrieben
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check_directory $TARGET_DIR
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# data
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backup_all_dirs "/volume1/data" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"
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EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found" backups)
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# nfs
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backup_all_dirs "/volume1/nfs" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"
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log INFO "*** End of NAS backup"
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list_archives $TARGET_DIR
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}
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# TODO: restore fn
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##
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# auto backup handling
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#
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# hostname-scripte setzen vars und definieren Funktionen backup_daily1, 2, usw. und backup_weekly1, 2, usw.
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# in den Funktionen werden die vars für den einzelnen backuü gesetzt (target, excludes, usw.)
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# im main-script wird dann dass hostname-script gesourced und in einer Schleife werden die
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# entsprechenden backup_*-Funktionen aufgerufen
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#
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# count=1
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# while [ $(isFunction backup_daily$count) ]; do
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# backup_daily$count # setzt die nötigen vars für den backup
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# do_backup "daily"
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# let "count += 1"
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# done
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#
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while :; do
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case $1 in
|
||||
--daily)
|
||||
backup_data
|
||||
break
|
||||
;;
|
||||
--weekly)
|
||||
backup_media
|
||||
break
|
||||
;;
|
||||
-l|--list)
|
||||
list_archives "$NAS_ROOT"
|
||||
break;
|
||||
;;
|
||||
-c|--content)
|
||||
if [ "$2" ]; then
|
||||
list_archive_content "$NAS_ROOT" "$2"
|
||||
else
|
||||
echo 'ERROR: "--content" requires a non-empty option argument.'
|
||||
fi
|
||||
break
|
||||
;;
|
||||
--restore)
|
||||
# TODO
|
||||
break
|
||||
;;
|
||||
*) # Default case: No more options, so break out of the loop.
|
||||
break
|
||||
esac
|
||||
|
||||
shift
|
||||
done
|
||||
Reference in new issue
Block a user