snap-sync: restructure function block
- new function get_disk_info() - new function run_config() - new function run_backup() - new function get_target_disk() - apply them to be in lexical order Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
This commit is contained in:
524
bin/snap-sync
524
bin/snap-sync
@@ -70,6 +70,38 @@ error() {
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notify_error 'Error' 'Check journal for more information.'
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notify_error 'Error' 'Check journal for more information.'
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} >&2
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} >&2
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get_disk_infos () {
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if [[ "$(findmnt -n -v --target / -o FSTYPE)" == "btrfs" ]]; then
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EXCLUDE_UUID=$(findmnt -n -v -t btrfs --target / -o UUID)
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TARGETS=$($ssh findmnt -n -v -t btrfs -o UUID,TARGET --list | grep -v $EXCLUDE_UUID | awk '{print $2}')
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UUIDS=$($ssh findmnt -n -v -t btrfs -o UUID,TARGET --list | grep -v $EXCLUDE_UUID | awk '{print $1}')
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else
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TARGETS=$($ssh findmnt -n -v -t btrfs -o TARGET --list)
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UUIDS=$($ssh findmnt -n -v -t btrfs -o UUID --list)
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fi
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declare -a TARGETS_ARRAY
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declare -a UUIDS_ARRAY
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i=0
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disk=-1
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disk_count=0
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for x in $UUIDS; do
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UUIDS_ARRAY[$i]=$x
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if [[ "$x" == "$uuid_cmdline" ]]; then
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disk=$i
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disk_count=$(($disk_count+1))
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fi
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i=$((i+1))
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done
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i=0
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for x in $TARGETS; do
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TARGETS_ARRAY[$i]=$x
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i=$((i+1))
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done
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}
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notify() {
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notify() {
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for u in $(users | sed 's/ /\n/' | sort -u); do
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for u in $(users | sed 's/ /\n/' | sort -u); do
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sudo -u $u DISPLAY=:0 \
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sudo -u $u DISPLAY=:0 \
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@@ -169,6 +201,238 @@ parse_params () {
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fi
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fi
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}
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}
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run_config () {
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declare -a BACKUPDIRS_ARRAY
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declare -a MYBACKUPDIR_ARRAY
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declare -a OLD_NUM_ARRAY
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declare -a OLD_SNAP_ARRAY
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declare -a NEW_NUM_ARRAY
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declare -a NEW_SNAP_ARRAY
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declare -a NEW_INFO_ARRAY
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declare -a BACKUPLOC_ARRAY
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declare -a CONT_BACKUP_ARRAY
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printf "\nInitial configuration...\n" | tee $PIPE
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# Initial configuration of where backup directories are
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i=0
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for x in $selected_configs; do
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if [[ "$(snapper -c $x list -t single | awk '/'"$selected_uuid"'/ {cnt++} END {print cnt}')" -gt 1 ]]; then
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error "More than one snapper entry found with UUID $selected_uuid for configuration $x. Skipping configuration $x."
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continue
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fi
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if [[ "$(snapper -c $x list -t single | awk '/'$progname' backup in progress/ {cnt++} END {print cnt}')" -gt 0 ]]; then
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printf "\nNOTE: Previous failed %s backup snapshots found for '%s'.\n" "$progname" "$x" | tee $PIPE
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read -r -p "Delete failed backup snapshots [y/N]? " delete_failed
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while [[ -n "$delete_failed" && "$delete_failed" != [Yy]"es" &&
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"$delete_failed" != [Yy] && "$delete_failed" != [Nn]"o" &&
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"$delete_failed" != [Nn] ]]; do
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read -r -p "Delete failed backup snapshots [y/N]? " delete_failed
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if [[ -n "$delete_failed" && "$delete_failed" != [Yy]"es" &&
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"$delete_failed" != [Yy] && "$delete_failed" != [Nn]"o" &&
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"$delete_failed" != [Nn] ]]; then
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printf "Select 'y' or 'N'.\n"
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fi
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done
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if [[ "$delete_failed" == [Yy]"es" || "$delete_failed" == [Yy] ]]; then
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snapper -c $x delete $(snapper -c $x list | awk '/'$progname' backup in progress/ {print $3}')
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fi
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fi
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SNAP_SYNC_EXCLUDE=no
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if [[ -f "/etc/snapper/configs/$x" ]]; then
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source /etc/snapper/configs/$x
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else
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die "Selected snapper configuration $x does not exist."
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fi
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if [[ $SNAP_SYNC_EXCLUDE == "yes" ]]; then
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continue
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fi
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printf "\n"
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old_num=$(snapper -c "$x" list -t single | awk '/'"$selected_uuid"'/ {print $1}')
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old_snap=$SUBVOLUME/.snapshots/$old_num/snapshot
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OLD_NUM_ARRAY[$i]=$old_num
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OLD_SNAP_ARRAY[$i]=$old_snap
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if [[ -z "$old_num" ]]; then
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printf "No backups have been performed for '%s' on this disk.\n" "$x"
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read -r -p "Enter progname of directory to store backups, relative to $selected_mnt (to be created if not existing): " mybackupdir
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printf "This will be the initial backup for snapper configuration '%s' to this disk. This could take awhile.\n" "$x"
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BACKUPDIR="$selected_mnt/$mybackupdir"
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$ssh mkdir -p -m700 "$BACKUPDIR"
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else
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mybackupdir=$(snapper -c "$x" list -t single | awk -F"|" '/'"$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}')
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BACKUPDIR="$selected_mnt/$mybackupdir"
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$ssh test -d $BACKUPDIR || die "%s is not a directory on %s.\n" "$BACKUPDIR" "$selected_uuid"
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fi
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BACKUPDIRS_ARRAY[$i]="$BACKUPDIR"
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MYBACKUPDIR_ARRAY[$i]="$mybackupdir"
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printf "Creating new snapshot for %s...\n" "$x" | tee $PIPE
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new_num=$(snapper -c "$x" create --print-number -d "$progname backup in progress")
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new_snap=$SUBVOLUME/.snapshots/$new_num/snapshot
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new_info=$SUBVOLUME/.snapshots/$new_num/info.xml
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sync
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backup_location=$BACKUPDIR/$x/$new_num/
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if [[ -z $ssh ]]; then
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printf "Will backup %s to %s\n" "$new_snap" "$backup_location/snapshot" | tee $PIPE
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else
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printf "Will backup %s to %s\n" "$new_snap" "$remote":"$backup_location/snapshot" | tee $PIPE
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fi
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NEW_NUM_ARRAY[$i]="$new_num"
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NEW_SNAP_ARRAY[$i]="$new_snap"
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NEW_INFO_ARRAY[$i]="$new_info"
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BACKUPLOC_ARRAY[$i]="$backup_location"
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cont_backup="K"
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CONT_BACKUP_ARRAY[$i]="yes"
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if [[ $noconfirm == "yes" ]]; then
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cont_backup="yes"
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else
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while [[ -n "$cont_backup" && "$cont_backup" != [Yy]"es" &&
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"$cont_backup" != [Yy] && "$cont_backup" != [Nn]"o" &&
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"$cont_backup" != [Nn] ]]; do
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read -r -p "Continue with backup [Y/n]? " cont_backup
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if [[ -n "$cont_backup" && "$cont_backup" != [Yy]"es" &&
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"$cont_backup" != [Yy] && "$cont_backup" != [Nn]"o" &&
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"$cont_backup" != [Nn] ]]; then
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printf "Select 'Y' or 'n'.\n"
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fi
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done
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fi
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if [[ "$cont_backup" != [Yy]"es" && "$cont_backup" != [Yy] && -n "$cont_backup" ]]; then
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CONT_BACKUP_ARRAY[$i]="no"
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printf "Aborting backup for this configuration.\n"
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snapper -c $x delete $new_num
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fi
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i=$(($i+1))
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done
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}
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run_backup () {
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# Actual backing up
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printf "\nPerforming backups...\n" | tee $PIPE
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i=-1
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for x in $selected_configs; do
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i=$(($i+1))
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SNAP_SYNC_EXCLUDE=no
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if [[ -f "/etc/snapper/configs/$x" ]]; then
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source /etc/snapper/configs/$x
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else
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die "Selected snapper configuration $x does not exist."
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fi
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cont_backup=${CONT_BACKUP_ARRAY[$i]}
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if [[ $cont_backup == "no" || $SNAP_SYNC_EXCLUDE == "yes" ]]; then
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notify_info "Backup in progress" "NOTE: Skipping $x configuration."
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continue
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fi
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notify_info "Backup in progress" "Backing up $x configuration."
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printf "\n"
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old_num="${OLD_NUM_ARRAY[$i]}"
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old_snap="${OLD_SNAP_ARRAY[$i]}"
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BACKUPDIR="${BACKUPDIRS_ARRAY[$i]}"
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mybackupdir="${MYBACKUPDIR_ARRAY[$i]}"
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new_num="${NEW_NUM_ARRAY[$i]}"
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new_snap="${NEW_SNAP_ARRAY[$i]}"
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new_info="${NEW_INFO_ARRAY[$i]}"
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backup_location="${BACKUPLOC_ARRAY[$i]}"
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$ssh mkdir -p $backup_location
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if [[ -z "$old_num" ]]; then
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printf "Sending first snapshot for %s...\n" "$x" | tee $PIPE
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btrfs send "$new_snap" | $ssh btrfs receive "$backup_location" &>/dev/null
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else
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printf "Sending incremental snapshot for %s...\n" "$x" | tee $PIPE
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# Sends the difference between the new snapshot and old snapshot to the
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# backup location. Using the -c flag instead of -p tells it that there
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# is an identical subvolume to the old snapshot at the receiving
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# location where it can get its data. This helps speed up the transfer.
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btrfs send -c "$old_snap" "$new_snap" | $ssh btrfs receive "$backup_location"
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printf "Modifying data for old snapshot for %s...\n" "$x" | tee $PIPE
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snapper -v -c "$x" modify -d "old snap-sync snapshot (you may remove)" -u "backupdir=,uuid=" -c "number" "$old_num"
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fi
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if [[ -z $ssh ]]; then
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cp "$new_info" "$backup_location"
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else
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rsync -avzq "$new_info" "$remote":"$backup_location"
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fi
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# It's important not to change this userdata in the snapshots, since that's how
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# we find the previous one.
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userdata="backupdir=$mybackupdir, uuid=$selected_uuid"
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# Tag new snapshot as the latest
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printf "Tagging new snapshot as latest backup for %s...\n" "$x" | tee $PIPE
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snapper -v -c "$x" modify -d "$description" -u "$userdata" "$new_num"
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printf "Backup complete for configuration %s.\n" "$x" > $PIPE
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done
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printf "\nDone!\n" | tee $PIPE
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exec 3>&-
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}
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select_target_disk () {
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if [[ "${#UUIDS_ARRAY[$@]}" -eq 0 ]]; then
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die "No external btrfs subvolumes found to backup to."
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fi
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if [[ "$disk_count" > 1 ]]; then
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printf "Multiple mount points were found with UUID %s.\n" "$uuid_cmdline"
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disk="-1"
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fi
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if [[ "$disk" == -1 ]]; then
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if [[ "$disk_count" == 0 && "$uuid_cmdline" != "none" ]]; then
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error "A device with UUID $uuid_cmdline was not found to be mounted, or it is not a BTRFS device."
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fi
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if [[ -z $ssh ]]; then
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printf "Select a mounted BTRFS device on your local machine to backup to.\n"
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else
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printf "Select a mounted BTRFS device on %s to backup to.\n" "$remote"
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fi
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while [[ $disk -lt 0 || $disk -gt $i ]]; do
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for x in "${!TARGETS_ARRAY[@]}"; do
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printf "%4s) %s (%s)\n" "$((x+1))" "${UUIDS_ARRAY[$x]}" "${TARGETS_ARRAY[$x]}"
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done
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printf "%4s) Exit\n" "0"
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read -r -p "Enter a number: " disk
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if ! [[ $disk == ?(-)+([0-9]) ]]; then
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printf "\nNo disk selected. Select a disk to continue.\n"
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disk=-1
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fi
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done
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if [[ $disk == 0 ]]; then
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exit 0
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fi
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disk=$(($disk-1))
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fi
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}
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traperror() {
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traperror() {
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printf "Exited due to error on line %s.\n" $1
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printf "Exited due to error on line %s.\n" $1
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printf "exit status: %s\n" "$2"
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printf "exit status: %s\n" "$2"
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@@ -232,70 +496,11 @@ else
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fi
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fi
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fi
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fi
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if [[ "$(findmnt -n -v --target / -o FSTYPE)" == "btrfs" ]]; then
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# read mounted BTRFS structures
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EXCLUDE_UUID=$(findmnt -n -v -t btrfs --target / -o UUID)
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get_disk_infos
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TARGETS=$($ssh findmnt -n -v -t btrfs -o UUID,TARGET --list | grep -v $EXCLUDE_UUID | awk '{print $2}')
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UUIDS=$($ssh findmnt -n -v -t btrfs -o UUID,TARGET --list | grep -v $EXCLUDE_UUID | awk '{print $1}')
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else
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TARGETS=$($ssh findmnt -n -v -t btrfs -o TARGET --list)
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UUIDS=$($ssh findmnt -n -v -t btrfs -o UUID --list)
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fi
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declare -a TARGETS_ARRAY
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# select the target BTRFS subvol
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declare -a UUIDS_ARRAY
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select_target_disk
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i=0
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disk=-1
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disk_count=0
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for x in $UUIDS; do
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UUIDS_ARRAY[$i]=$x
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if [[ "$x" == "$uuid_cmdline" ]]; then
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disk=$i
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disk_count=$(($disk_count+1))
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fi
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i=$((i+1))
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|
||||||
done
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i=0
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for x in $TARGETS; do
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TARGETS_ARRAY[$i]=$x
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i=$((i+1))
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|
||||||
done
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||||||
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|
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if [[ "${#UUIDS_ARRAY[$@]}" -eq 0 ]]; then
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die "No external btrfs subvolumes found to backup to."
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fi
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if [[ "$disk_count" > 1 ]]; then
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printf "Multiple mount points were found with UUID %s.\n" "$uuid_cmdline"
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disk="-1"
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fi
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|
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if [[ "$disk" == -1 ]]; then
|
|
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if [[ "$disk_count" == 0 && "$uuid_cmdline" != "none" ]]; then
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error "A device with UUID $uuid_cmdline was not found to be mounted, or it is not a BTRFS device."
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|
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fi
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|
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if [[ -z $ssh ]]; then
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printf "Select a mounted BTRFS device on your local machine to backup to.\n"
|
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else
|
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printf "Select a mounted BTRFS device on %s to backup to.\n" "$remote"
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|
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fi
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while [[ $disk -lt 0 || $disk -gt $i ]]; do
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|
||||||
for x in "${!TARGETS_ARRAY[@]}"; do
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printf "%4s) %s (%s)\n" "$((x+1))" "${UUIDS_ARRAY[$x]}" "${TARGETS_ARRAY[$x]}"
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|
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done
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|
||||||
printf "%4s) Exit\n" "0"
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|
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read -r -p "Enter a number: " disk
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|
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if ! [[ $disk == ?(-)+([0-9]) ]]; then
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|
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printf "\nNo disk selected. Select a disk to continue.\n"
|
|
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disk=-1
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|
||||||
fi
|
|
||||||
done
|
|
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if [[ $disk == 0 ]]; then
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|
||||||
exit 0
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|
||||||
fi
|
|
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disk=$(($disk-1))
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|
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fi
|
|
||||||
|
|
||||||
selected_uuid="${UUIDS_ARRAY[$((disk))]}"
|
selected_uuid="${UUIDS_ARRAY[$((disk))]}"
|
||||||
selected_mnt="${TARGETS_ARRAY[$((disk))]}"
|
selected_mnt="${TARGETS_ARRAY[$((disk))]}"
|
||||||
@@ -306,196 +511,11 @@ else
|
|||||||
printf "The disk is mounted at %s:%s.\n" "$remote" "$selected_mnt" | tee $PIPE
|
printf "The disk is mounted at %s:%s.\n" "$remote" "$selected_mnt" | tee $PIPE
|
||||||
fi
|
fi
|
||||||
|
|
||||||
declare -a BACKUPDIRS_ARRAY
|
# create and initialize structures for snapper configs
|
||||||
declare -a MYBACKUPDIR_ARRAY
|
run_config
|
||||||
declare -a OLD_NUM_ARRAY
|
|
||||||
declare -a OLD_SNAP_ARRAY
|
|
||||||
declare -a NEW_NUM_ARRAY
|
|
||||||
declare -a NEW_SNAP_ARRAY
|
|
||||||
declare -a NEW_INFO_ARRAY
|
|
||||||
declare -a BACKUPLOC_ARRAY
|
|
||||||
declare -a CONT_BACKUP_ARRAY
|
|
||||||
|
|
||||||
printf "\nInitial configuration...\n" | tee $PIPE
|
# run backups using btrfs-send -> btrfs-receive
|
||||||
|
run_backup
|
||||||
# Initial configuration of where backup directories are
|
|
||||||
i=0
|
|
||||||
for x in $selected_configs; do
|
|
||||||
|
|
||||||
if [[ "$(snapper -c $x list -t single | awk '/'"$selected_uuid"'/ {cnt++} END {print cnt}')" -gt 1 ]]; then
|
|
||||||
error "More than one snapper entry found with UUID $selected_uuid for configuration $x. Skipping configuration $x."
|
|
||||||
continue
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ "$(snapper -c $x list -t single | awk '/'$progname' backup in progress/ {cnt++} END {print cnt}')" -gt 0 ]]; then
|
|
||||||
printf "\nNOTE: Previous failed %s backup snapshots found for '%s'.\n" "$progname" "$x" | tee $PIPE
|
|
||||||
read -r -p "Delete failed backup snapshots [y/N]? " delete_failed
|
|
||||||
while [[ -n "$delete_failed" && "$delete_failed" != [Yy]"es" &&
|
|
||||||
"$delete_failed" != [Yy] && "$delete_failed" != [Nn]"o" &&
|
|
||||||
"$delete_failed" != [Nn] ]]; do
|
|
||||||
read -r -p "Delete failed backup snapshots [y/N]? " delete_failed
|
|
||||||
if [[ -n "$delete_failed" && "$delete_failed" != [Yy]"es" &&
|
|
||||||
"$delete_failed" != [Yy] && "$delete_failed" != [Nn]"o" &&
|
|
||||||
"$delete_failed" != [Nn] ]]; then
|
|
||||||
printf "Select 'y' or 'N'.\n"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
if [[ "$delete_failed" == [Yy]"es" || "$delete_failed" == [Yy] ]]; then
|
|
||||||
snapper -c $x delete $(snapper -c $x list | awk '/'$progname' backup in progress/ {print $3}')
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
SNAP_SYNC_EXCLUDE=no
|
|
||||||
|
|
||||||
if [[ -f "/etc/snapper/configs/$x" ]]; then
|
|
||||||
source /etc/snapper/configs/$x
|
|
||||||
else
|
|
||||||
die "Selected snapper configuration $x does not exist."
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ $SNAP_SYNC_EXCLUDE == "yes" ]]; then
|
|
||||||
continue
|
|
||||||
fi
|
|
||||||
|
|
||||||
printf "\n"
|
|
||||||
|
|
||||||
old_num=$(snapper -c "$x" list -t single | awk '/'"$selected_uuid"'/ {print $1}')
|
|
||||||
old_snap=$SUBVOLUME/.snapshots/$old_num/snapshot
|
|
||||||
|
|
||||||
OLD_NUM_ARRAY[$i]=$old_num
|
|
||||||
OLD_SNAP_ARRAY[$i]=$old_snap
|
|
||||||
|
|
||||||
if [[ -z "$old_num" ]]; then
|
|
||||||
printf "No backups have been performed for '%s' on this disk.\n" "$x"
|
|
||||||
read -r -p "Enter name of directory to store backups, relative to $selected_mnt (to be created if not existing): " mybackupdir
|
|
||||||
printf "This will be the initial backup for snapper configuration '%s' to this disk. This could take awhile.\n" "$x"
|
|
||||||
BACKUPDIR="$selected_mnt/$mybackupdir"
|
|
||||||
$ssh mkdir -p -m700 "$BACKUPDIR"
|
|
||||||
else
|
|
||||||
mybackupdir=$(snapper -c "$x" list -t single | awk -F"|" '/'"$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}')
|
|
||||||
BACKUPDIR="$selected_mnt/$mybackupdir"
|
|
||||||
$ssh test -d $BACKUPDIR || die "%s is not a directory on %s.\n" "$BACKUPDIR" "$selected_uuid"
|
|
||||||
fi
|
|
||||||
BACKUPDIRS_ARRAY[$i]="$BACKUPDIR"
|
|
||||||
MYBACKUPDIR_ARRAY[$i]="$mybackupdir"
|
|
||||||
|
|
||||||
printf "Creating new snapshot for %s...\n" "$x" | tee $PIPE
|
|
||||||
new_num=$(snapper -c "$x" create --print-number -d "$progname backup in progress")
|
|
||||||
new_snap=$SUBVOLUME/.snapshots/$new_num/snapshot
|
|
||||||
new_info=$SUBVOLUME/.snapshots/$new_num/info.xml
|
|
||||||
sync
|
|
||||||
backup_location=$BACKUPDIR/$x/$new_num/
|
|
||||||
if [[ -z $ssh ]]; then
|
|
||||||
printf "Will backup %s to %s\n" "$new_snap" "$backup_location/snapshot" | tee $PIPE
|
|
||||||
else
|
|
||||||
printf "Will backup %s to %s\n" "$new_snap" "$remote":"$backup_location/snapshot" | tee $PIPE
|
|
||||||
fi
|
|
||||||
|
|
||||||
NEW_NUM_ARRAY[$i]="$new_num"
|
|
||||||
NEW_SNAP_ARRAY[$i]="$new_snap"
|
|
||||||
NEW_INFO_ARRAY[$i]="$new_info"
|
|
||||||
BACKUPLOC_ARRAY[$i]="$backup_location"
|
|
||||||
|
|
||||||
cont_backup="K"
|
|
||||||
CONT_BACKUP_ARRAY[$i]="yes"
|
|
||||||
if [[ $noconfirm == "yes" ]]; then
|
|
||||||
cont_backup="yes"
|
|
||||||
else
|
|
||||||
while [[ -n "$cont_backup" && "$cont_backup" != [Yy]"es" &&
|
|
||||||
"$cont_backup" != [Yy] && "$cont_backup" != [Nn]"o" &&
|
|
||||||
"$cont_backup" != [Nn] ]]; do
|
|
||||||
read -r -p "Continue with backup [Y/n]? " cont_backup
|
|
||||||
if [[ -n "$cont_backup" && "$cont_backup" != [Yy]"es" &&
|
|
||||||
"$cont_backup" != [Yy] && "$cont_backup" != [Nn]"o" &&
|
|
||||||
"$cont_backup" != [Nn] ]]; then
|
|
||||||
printf "Select 'Y' or 'n'.\n"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ "$cont_backup" != [Yy]"es" && "$cont_backup" != [Yy] && -n "$cont_backup" ]]; then
|
|
||||||
CONT_BACKUP_ARRAY[$i]="no"
|
|
||||||
printf "Aborting backup for this configuration.\n"
|
|
||||||
snapper -c $x delete $new_num
|
|
||||||
fi
|
|
||||||
|
|
||||||
i=$(($i+1))
|
|
||||||
|
|
||||||
done
|
|
||||||
|
|
||||||
# Actual backing up
|
|
||||||
printf "\nPerforming backups...\n" | tee $PIPE
|
|
||||||
i=-1
|
|
||||||
for x in $selected_configs; do
|
|
||||||
|
|
||||||
i=$(($i+1))
|
|
||||||
|
|
||||||
SNAP_SYNC_EXCLUDE=no
|
|
||||||
|
|
||||||
if [[ -f "/etc/snapper/configs/$x" ]]; then
|
|
||||||
source /etc/snapper/configs/$x
|
|
||||||
else
|
|
||||||
die "Selected snapper configuration $x does not exist."
|
|
||||||
fi
|
|
||||||
|
|
||||||
cont_backup=${CONT_BACKUP_ARRAY[$i]}
|
|
||||||
if [[ $cont_backup == "no" || $SNAP_SYNC_EXCLUDE == "yes" ]]; then
|
|
||||||
notify_info "Backup in progress" "NOTE: Skipping $x configuration."
|
|
||||||
continue
|
|
||||||
fi
|
|
||||||
|
|
||||||
notify_info "Backup in progress" "Backing up $x configuration."
|
|
||||||
|
|
||||||
printf "\n"
|
|
||||||
|
|
||||||
old_num="${OLD_NUM_ARRAY[$i]}"
|
|
||||||
old_snap="${OLD_SNAP_ARRAY[$i]}"
|
|
||||||
BACKUPDIR="${BACKUPDIRS_ARRAY[$i]}"
|
|
||||||
mybackupdir="${MYBACKUPDIR_ARRAY[$i]}"
|
|
||||||
new_num="${NEW_NUM_ARRAY[$i]}"
|
|
||||||
new_snap="${NEW_SNAP_ARRAY[$i]}"
|
|
||||||
new_info="${NEW_INFO_ARRAY[$i]}"
|
|
||||||
backup_location="${BACKUPLOC_ARRAY[$i]}"
|
|
||||||
|
|
||||||
$ssh mkdir -p $backup_location
|
|
||||||
|
|
||||||
if [[ -z "$old_num" ]]; then
|
|
||||||
printf "Sending first snapshot for %s...\n" "$x" | tee $PIPE
|
|
||||||
btrfs send "$new_snap" | $ssh btrfs receive "$backup_location" &>/dev/null
|
|
||||||
|
|
||||||
else
|
|
||||||
|
|
||||||
printf "Sending incremental snapshot for %s...\n" "$x" | tee $PIPE
|
|
||||||
# Sends the difference between the new snapshot and old snapshot to the
|
|
||||||
# backup location. Using the -c flag instead of -p tells it that there
|
|
||||||
# is an identical subvolume to the old snapshot at the receiving
|
|
||||||
# location where it can get its data. This helps speed up the transfer.
|
|
||||||
btrfs send -c "$old_snap" "$new_snap" | $ssh btrfs receive "$backup_location"
|
|
||||||
printf "Modifying data for old snapshot for %s...\n" "$x" | tee $PIPE
|
|
||||||
snapper -v -c "$x" modify -d "old snap-sync snapshot (you may remove)" -u "backupdir=,uuid=" -c "number" "$old_num"
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ -z $ssh ]]; then
|
|
||||||
cp "$new_info" "$backup_location"
|
|
||||||
else
|
|
||||||
rsync -avzq "$new_info" "$remote":"$backup_location"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# It's important not to change this userdata in the snapshots, since that's how
|
|
||||||
# we find the previous one.
|
|
||||||
|
|
||||||
userdata="backupdir=$mybackupdir, uuid=$selected_uuid"
|
|
||||||
|
|
||||||
# Tag new snapshot as the latest
|
|
||||||
printf "Tagging new snapshot as latest backup for %s...\n" "$x" | tee $PIPE
|
|
||||||
snapper -v -c "$x" modify -d "$description" -u "$userdata" "$new_num"
|
|
||||||
|
|
||||||
printf "Backup complete for configuration %s.\n" "$x" > $PIPE
|
|
||||||
|
|
||||||
done
|
|
||||||
|
|
||||||
printf "\nDone!\n" | tee $PIPE
|
|
||||||
exec 3>&-
|
|
||||||
|
|
||||||
if [[ "$uuid_cmdline" != "none" ]]; then
|
if [[ "$uuid_cmdline" != "none" ]]; then
|
||||||
notify_info "Finished" "Backups to $uuid_cmdline complete!"
|
notify_info "Finished" "Backups to $uuid_cmdline complete!"
|
||||||
|
|||||||
Reference in New Issue
Block a user