prompt all at beginning
This commit is contained in:
James Barnett
134
bin/snap-sync
134
bin/snap-sync
@@ -99,7 +99,6 @@ UUIDS="$(findmnt -n -v -t btrfs -o UUID --list)"
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declare -a TARGETS_ARRAY
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declare -a UUIDS_ARRAY
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declare -a BACKUPDIRS_ARRAY
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i=0
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disk=-1
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@@ -160,44 +159,18 @@ fi
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selected_configs=${selected_configs:-$SNAPPER_CONFIGS}
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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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# Initial configuration of where backup directories are
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for x in $selected_configs; do
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SNAP_SYNC_EXCLUDE=no
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if [[ -f "/etc/snapper/configs/$x" ]]; then
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source /etc/snapper/configs/$x
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else
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printf "ERROR: Selected snapper configuration $x does not exist.\n"
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error_exit
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fi
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if [[ $SNAP_SYNC_EXCLUDE == "yes" ]]; then
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continue
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fi
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old_num=$(snapper -c "$x" list -t single | awk '/'"$selected_uuid"'/ {print $1}')
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old_snap=$SUBVOLUME/.snapshots/$old_num/snapshot
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if [[ -z "$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 name 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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mkdir -p -m700 "$BACKUPDIR"
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else
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mybackupdir=$(snapper -c root 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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if [[ ! -d $BACKUPDIR ]]; then
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printf "ERROR: %s is not a directory on %s.\n" "$BACKUPDIR" "$selected_uuid" | tee $PIPE
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error_exit
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fi
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fi
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BACKUPDIRS_ARRAY[$x]=$BACKUPDIR
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done
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# Actual backing up
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i=0
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for x in $selected_configs; do
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if [[ "$(sudo snapper -c $x list -t single | awk '/'$name' backup in progress/ {cnt++} END {print cnt}')" -gt 0 ]]; then
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@@ -217,22 +190,45 @@ for x in $selected_configs; do
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continue
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fi
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printf "\n"
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old_num=$(snapper -c "$x" list -t single | awk '/'"$selected_uuid"'/ {print $1}')
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old_snap=$SUBVOLUME/.snapshots/$old_num/snapshot
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BACKUPDIR="${BACKUPDIRS_ARRAY[$x]}"
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OLD_NUM_ARRAY[$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 name 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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mkdir -p -m700 "$BACKUPDIR"
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else
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mybackupdir=$(snapper -c root 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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if [[ ! -d $BACKUPDIR ]]; then
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printf "ERROR: %s is not a directory on %s.\n" "$BACKUPDIR" "$selected_uuid" | tee $PIPE
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error_exit
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fi
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fi
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BACKUPDIRS_ARRAY[$i]="$BACKUPDIR"
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MYBACKUPDIR_ARRAY[$i]="$mybackupdir"
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printf "Creating new snapshot for $x...\n" | tee $PIPE
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new_number=$(snapper -c "$x" create --print-number -d "$name backup in progress")
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new_snapshot=$SUBVOLUME/.snapshots/$new_number/snapshot
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new_info=$SUBVOLUME/.snapshots/$new_number/info.xml
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new_num=$(snapper -c "$x" create --print-number -d "$name backup in progress")
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new_snap=$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_number/
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printf "Will backup %s to %s\n" "$new_snapshot" "$backup_location/snapshot" | tee $PIPE
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backup_location=$BACKUPDIR/$x/$new_num/
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printf "Will backup %s to %s\n" "$new_snap" "$backup_location/snapshot" | tee $PIPE
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NEW_NUM_ARRAY[$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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echo ${CONT_BACKUP_ARRAY[$x]}
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if [[ $noconfirm == "yes" ]]; then
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cont_backup="yes"
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else
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@@ -249,18 +245,54 @@ for x in $selected_configs; do
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fi
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if [[ "$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_number
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snapper -c $x delete $new_num
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fi
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echo ${CONT_BACKUP_ARRAY[$i]}
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i=$(($i+1))
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done
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# Actual backing up
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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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echo ${CONT_BACKUP_ARRAY[$i]}
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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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printf "ERROR: Selected snapper configuration $x does not exist.\n"
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error_exit
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fi
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cont_backup=${CONT_BACKUP_ARRAY[$i]}
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if [[ $cont_backup == "no" || $SNAP_SYNC_EXCLUDE == "yes" ]]; then
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continue
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fi
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printf "\n"
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old_num="${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[$i]}"
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mkdir -p "$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_snapshot" | btrfs receive "$backup_location" &>/dev/null
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btrfs send "$new_snap" | btrfs receive "$backup_location" &>/dev/null
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else
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@@ -269,7 +301,7 @@ for x in $selected_configs; do
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# backup location. Using the -c flag instead of -p tells it that there
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# is an identical subvolume to the old snapshot at the receiving
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# location where it can get its data. This helps speed up the transfer.
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btrfs send "$new_snapshot" -c "$old_snap" | btrfs receive "$backup_location" &>/dev/null
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btrfs send "$new_snap" -c "$old_snap" | btrfs receive "$backup_location" &>/dev/null
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printf "Deleting old snapshot for $x...\n" | tee $PIPE
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snapper -c "$x" delete "$old_num"
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fi
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@@ -283,7 +315,7 @@ for x in $selected_configs; do
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# Tag new snapshot as the latest
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printf "Tagging new snapshot as latest backup for $x...\n" | tee $PIPE
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snapper -v -c "$x" modify -d "$description" -u "$userdata" "$new_number"
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snapper -v -c "$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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