#!/usr/bin/env bash

NAS_ROOT=/var/srv/nas/backups
BACKUP_ROOT=/var/docker/tmp
NAS_TARGET="$NAS_ROOT/daily/$HOST_NAME/backup.$DAY"

#
# ACHTUNG: BACKUP_TARGET wird für jeden Lauf _daily1, 2, usw. geköscht,
#          es muss sich also für alle _daily?, bzw. _weekly? unterscheiden
#

backup_daily1() {
    BACKUP_SOURCE="/var"
    BACKUP_TARGET="$BACKUP_ROOT/var"
    BACKUP_EXCLUDE_DIRS=(docker)
}

backup_daily2() {
    BACKUP_SOURCE="/var/docker"
    BACKUP_TARGET="$BACKUP_ROOT/docker"
    BACKUP_EXCLUDE_DIRS=(vol tmp)
}

backup_daily3() {
    BACKUP_SOURCE="/var/docker/vol"
    BACKUP_TARGET="$BACKUP_ROOT/vol"
    BACKUP_EXCLUDE_DIRS=()
}

copy_to_nas() {
    local dir
    # einzelne backups iin einem Verzeichnis sammeln
    for dir in $(iterate_dirs_in "$BACKUP_ROOT" "$@"); do
        sudo mv "$BACKUP_ROOT/$dir/*" .. && rmdir "$BACKUP_ROOT/$dir"
    done
    # ins NAS-Verzeichnis verschieben
    delete_dir "$NAS_TARGET"
    check_dir "$NAS_TARGET"
    sudo mv "$BACKUP_ROOT/*" "$NAS_TARGET"
}

before_backup() {
    run_docker down
}

after_backup() {
    run_docker up -d
    copy_to_nas
}