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dsnap-sync: make btrfs_quota usage an option

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Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
This commit is contained in:
Ralf Zerres
2018-08-09 20:48:32 +02:00
parent 293dfba348
commit 36a0c57971
1 changed files with 156 additions and 143 deletions
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299
bin/dsnap-sync
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@@ -53,6 +53,7 @@ exec 3>$PIPE 4>$BTRFS_PIPE
args=
answer=no
batch=0
btrfs_quota=0
color=0
donotify=0
dryrun=0
@@ -106,7 +107,7 @@ check_prerequisites () {
if [ -z "$remote" ]; then
$ssh which sh >/dev/null 2>&1 || \
{ printf "'remote shell' is not working!\n \
Please correct your public authentication and try again.\n" && exit 1; }
Please correct your public authentication and try again.\n" && exit 1; }
fi
if [ ! -r "$SNAPPER_CONFIG" ]; then
@@ -126,7 +127,7 @@ check_snapper_failed_ids () {
# | awk ' /'host='"$remote"'/ {cnt++} END {print cnt}'"
if [ ${#snapper_failed_ids} -gt 0 ]; then
if [ "$batch" ]; then
if [ "$batch" ]; then
answer="yes"
else
printf "${MAGENTA}Found %s previous failed sync runs for '%s'${NO_COLOR}\n" "${snapper_failed_ids}" "$selected_config"
@@ -179,10 +180,10 @@ create_snapshot () {
snapper_source_snapshot=$SUBVOLUME/.snapshots/$snapper_source_id/snapshot
snapper_source_info=$SUBVOLUME/.snapshots/$snapper_source_id/info.xml
btrfs quota enable $snapper_source_snapshot
#btrfs quota enable $snapper_source_snapshot
sync
if [ $verbose -ge 3 ]; then
if [ $verbose -ge 3 ]; then
printf "${MAGENTA}Snapper source snapshot ${GREEN}'%s'${MAGENTA} created${NO_COLOR}\n" "$snapper_source_id"
fi
else
@@ -308,7 +309,7 @@ get_snapper_target_backupdir () {
if [ $verbose -ge 2 ]; then
# WIP: we need to adapt existing target config SUBVOLUME to reflect the new backupdir
printf "${RED}TODO: ${MAGENTA}Reset backupdir ${GREEN}'%s'${MAGENTA} as requested per commandline.${NO_COLOR}\n" \
"$backupdir"
"$backupdir"
printf "${RED}TODO: ${NO_COLOR}Need to adapt ${GREEN}SUBVOLUME${NO_COLOR} for existing ${GREEN}target-config${NO_COLOR}, to reflect the new backupdir.\n"
fi
die "Changing the backupdir for an already existing target-config is not supported yet.\n"
@@ -355,8 +356,8 @@ get_disk_infos () {
| grep -v $exclude_uuid \
| awk '{print $1}')
disk_targets=$(eval $ssh findmnt --noheadings --nofsroot --types btrfs --output UUID,TARGET --list \
| grep -v $exclude_uuid \
| awk '{print $2}')
| grep -v $exclude_uuid \
| awk '{print $2}')
fs_options=$(eval $ssh findmnt --noheadings --nofsroot --types btrfs --output UUID,OPTIONS --list \
| grep -v $exclude_uuid \
| awk '{print $2}')
@@ -388,17 +389,17 @@ get_disk_infos () {
else
disk_uuid_match="$i"
fi
disk_uuid_match_count=$(($disk_uuid_match_count+1))
disk_uuid_match_count=$(($disk_uuid_match_count+1))
fi
eval "disk_uuid_$i='$disk_uuid'"
disk_count=$(($disk_count+1))
disk_count=$(($disk_count+1))
i=$((i+1))
done
i=0
for disk_target in $disk_targets; do
if [ "$disk_target" = "$target_cmdline" ]; then
disk_target_match="$i"
disk_target_match_count=$(($disk_target_match_count+1))
disk_target_match_count=$(($disk_target_match_count+1))
fi
eval "disk_target_$i='$disk_target'"
i=$((i+1))
@@ -408,7 +409,7 @@ get_disk_infos () {
subvolid=$(eval echo \$fs_option | sed -e 's/.*subvolid=\([0-9]*\).*/\1/')
if [ "$subvolid" = "$subvolid_cmdline" ]; then
disk_subvolid_match="$i"
disk_subvolid_match_count=$(($disk_subvolid_match_count+1))
disk_subvolid_match_count=$(($disk_subvolid_match_count+1))
fi
eval "fs_options_$i='$fs_option'"
i=$((i+1))
@@ -445,7 +446,7 @@ get_snapper_config_type () {
case $key in
CONFIG_TYPE)
snapper_config_type=$(eval echo $value | sed -e 's/\"\(.*\)\"/\1/')
continue
continue
;;
CHILD_CONFIG)
snapper_target_config=$(eval echo $value | sed -e 's/\"\(.*\)\"/\1/')
@@ -457,8 +458,8 @@ get_snapper_config_type () {
;;
*)
# value is not relevant
continue
;;
continue
;;
esac
done < $SNAPPER_CONFIG_DIR/$snapper_config
@@ -593,7 +594,7 @@ get_snapper_sync_id () {
[ ${#remote} -gt 0 ] && run_ssh=$ssh
cmd="snapper --config "$snapper_config" list --type single \
| awk -F '|' '\$1 == "$snapper_sync_id" {print \$1}' "
| awk -F '|' '\$1 == "$snapper_sync_id" {print \$1}' "
ret=$(eval $run_ssh snapper --config "$snapper_config" list --type single \
| awk -F '|' '$1 == '"$snapper_sync_id"' {gsub(" ",""); print $1}')
printf "ret: '%s'\n" $ret
@@ -615,7 +616,7 @@ notify () {
# estimation: batch calls should just log
if [ $donotify -gt 0 ]; then
for u in $(users | sed 's/ /\n/' | sort -u); do
sudo -u $u DISPLAY=:0 \
sudo -u $u DISPLAY=:0 \
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(sudo -u $u id -u)/bus \
notify-send -a $progname "$progname: $1" "$2" --icon="dialog-$3"
done
@@ -639,31 +640,31 @@ parse_params () {
while [ $# -gt 0 ]; do
key="$1"
case $key in
-h | --help | \-\? | --usage)
# Call usage() function.
usage
;;
-h | --help | \-\? | --usage)
# Call usage() function.
usage
;;
-a|--automount)
automount_path="$2"
shift 2
;;
-b|--backupdir)
backupdir_cmdline="$2"
shift 2
;;
-c|--config)
-b|--backupdir)
backupdir_cmdline="$2"
shift 2
;;
-c|--config)
if [ ${#selected_config} -gt 0 ]; then
selected_configs="${selected_configs} ${2}"
selected_configs="${selected_configs} ${2}"
else
selected_configs="$2"
selected_configs="$2"
fi
shift 2
;;
--config-postfix)
snapper_config_postfix="$2"
--config-postfix)
snapper_config_postfix="$2"
shift 2
;;
--description-finished)
--description-finished)
shift
snap_description_finished="${*}"
snap_description_finished="${snap_description_finished%% -*}"
@@ -673,7 +674,7 @@ parse_params () {
set -- $params
shift $count
;;
--description-running)
--description-running)
shift
snap_description_running=${*}
snap_description_running="${snap_description_running%% -*}"
@@ -683,7 +684,7 @@ parse_params () {
set -- $params
shift $count
;;
-d|--description|--description-synced)
-d|--description|--description-synced)
shift
snap_description_synced="${*}"
snap_description_synced="${snap_description_synced%% -*}"
@@ -697,12 +698,12 @@ parse_params () {
dryrun=1
shift 1
;;
-i|--interactive)
-i|--interactive)
interactive=1
donotify=1
shift
;;
-n|--noconfirm|--batch)
-n|--noconfirm|--batch)
batch=1
interactive=0
do_pv_cmd=0
@@ -721,7 +722,7 @@ parse_params () {
do_pv_cmd=0
shift 1
;;
-p|--port)
-p|--port)
port=$2
shift 2
;;
@@ -729,47 +730,51 @@ parse_params () {
remote=$2
shift 2
;;
-s|--subvolid|--SUBVOLID)
-s|--subvolid|--SUBVOLID)
subvolid_cmdline="$2"
shift 2
;;
-t|--target|--TARGET)
-t|--target|--TARGET)
target_cmdline="$2"
shift 2
;;
-u|--uuid|--UUID)
-u|--uuid|--UUID)
uuid_cmdline="$2"
shift 2
;;
-v|--verbose)
--use-btrfs-quota)
btrfs_quota=1
shift 1
;;
-v|--verbose)
verbose=$(($verbose + 1))
shift 1
;;
--version)
--version)
printf "%s v%s\n" "$progname" "$version"
exit 0
;;
--automount=*)
automount_path=${1#*=}
shift
;;
automount_path=${1#*=}
shift
;;
--backupdir=*)
backupdir_cmdline=${1#*=}
shift
;;
backupdir_cmdline=${1#*=}
shift
;;
--config=*)
if [ ${#selected_config} -gt 0 ]; then
selected_config="${selected_config} ${1#*=}"
selected_config="${selected_config} ${1#*=}"
else
selected_config="${1#*=}"
selected_config="${1#*=}"
fi
shift
;;
;;
--config-postfix=*)
snapper_config_postfix="${1#*=}"
snapper_config_postfix="${1#*=}"
shift
;;
--color=*)
;;
--color=*)
case ${1#*=} in
yes | Yes | True | true)
color=1;
@@ -777,9 +782,9 @@ parse_params () {
*)
;;
esac
shift
;;
--description-finished=*)
shift
;;
--description-finished=*)
snap_description_finished="${*#*=}"
snap_description_finished="${snap_description_finished%% -*}"
params_new=${*#*=}
@@ -790,7 +795,7 @@ parse_params () {
set -- $params_new
fi
;;
--description-running=*)
--description-running=*)
snap_description_running="${*#*=}"
snap_description_running="${snap_description_running%% -*}"
params_new=${*#*=}
@@ -802,7 +807,7 @@ parse_params () {
set -- $params_new
fi
;;
-d=*|--description=*|--description-synced=*)
-d=*|--description=*|--description-synced=*)
snap_description_synced="${*#*=}"
snap_description_synced="${snap_description_synced%% -*}"
params_new=${*#*=}
@@ -815,39 +820,39 @@ parse_params () {
break
fi
;;
--port=*)
port=${1#*=}
shift
;;
--remote=*)
remote=${1#*=}
shift
;;
--subvolid=*|--SUBVOLID=*)
subvolid_cmdline=${1#*=}
shift
;;
--target=*|--TARGET=*)
target_cmdline=${1#*=}
shift
;;
--uuid=*|--UUID=*)
uuid_cmdline=${1#*=}
shift
;;
--v=* | --verbose=*)
verbose=${1#*=}
shift
;;
--) # End of all options
shift
break
--port=*)
port=${1#*=}
shift
;;
-*)
printf "WARN: Unknown option (ignored): $1" >&2
--remote=*)
remote=${1#*=}
shift
;;
--subvolid=*|--SUBVOLID=*)
subvolid_cmdline=${1#*=}
shift
;;
--target=*|--TARGET=*)
target_cmdline=${1#*=}
shift
;;
--uuid=*|--UUID=*)
uuid_cmdline=${1#*=}
shift
;;
--v=* | --verbose=*)
verbose=${1#*=}
shift
;;
--) # End of all options
shift
break
;;
-*)
printf "WARN: Unknown option (ignored): $1" >&2
die "Unknown option"
;;
*)
*)
printf "Unknown option: %s\nRun '%s -h' for valid options.\n" $key $progname
die "Unknown option"
;;
@@ -873,12 +878,12 @@ parse_params () {
else
ssh="ssh $remote"
if [ ! -z "$port" ]; then
ssh="$ssh -p $port"
fi
ssh="$ssh -p $port"
fi
fi
if [ "$color" ]; then
# ascii color
# ascii color
BLUE='\033[0;34m'
GREEN='\033[0;32m'
MAGENTA='\033[0;35m'
@@ -909,17 +914,17 @@ parse_params () {
if [ $dryrun -eq 1 ]; then snap_sync_options="${snap_sync_options} dry-run=true"; fi
if [ $donotify -eq 1 ]; then snap_sync_options="${snap_sync_options} donotify=true"; fi
if [ $color -eq 1 ]; then snap_sync_options="${snap_sync_options} color=true"; fi
if [ $btrfs_quota -eq 1 ]; then snap_sync_options="${snap_sync_options} use-btrfs-quota=true"; fi
if [ $batch -eq 1 ]; then
snap_sync_options="${snap_sync_options} batch=true do_pv_cmd=$do_pv_cmd"
else
snap_sync_options="${snap_sync_options} interactive=true do_pv_cmd=$do_pv_cmd"
snap_sync_options="${snap_sync_options} batch=true do_pv_cmd=$do_pv_cmd"
else
snap_sync_options="${snap_sync_options} interactive=true do_pv_cmd=$do_pv_cmd"
fi
#if [ "$interactive" -eq 1 ]; then snap_sync_options="${snap_sync_options} interactive=true"; fi
printf "Options: '%s'\n\n" "${snap_sync_options}"
fi
}
quote_args () {
# quote command in ssh call to prevent remote side from expanding any arguments
# using dash's buildin printf
@@ -1005,8 +1010,8 @@ run_config_preparation () {
snapper_source_sync_snapshot=$value/.snapshots/$snapper_source_sync_id/snapshot
fi
if [ $verbose -ge 2 ]; then
printf "${MAGENTA}Last synced ${GREEN}source snapshot${MAGENTA} for snapper config ${GREEN}'%s'${MAGENTA} is ${GREEN}'%s'${MAGENTA} ...${NO_COLOR}\n" \
"$selected_config" "$snapper_sync_id"
printf "${MAGENTA}Last synced ${GREEN}source snapshot${MAGENTA} for snapper config ${GREEN}'%s'${MAGENTA} is ${GREEN}'%s'${MAGENTA} ...${NO_COLOR}\n" \
"$selected_config" "$snapper_sync_id"
fi
# verfiy target
@@ -1017,19 +1022,19 @@ run_config_preparation () {
if [ $snapper_target_sync_id -eq 0 ]; then
if [ $verbose -ge 2 ]; then
if [ $remote ]; then
printf "${MAGENTA}No target shapshot available for snapper config ${GREEN}'%s'${MAGENTA} on '%s'...${NO_COLOR}\n" \
printf "${MAGENTA}No target shapshot available for snapper config ${GREEN}'%s'${MAGENTA} on '%s'...${NO_COLOR}\n" \
"$selected_config" "$remote"
else
printf "${MAGENTA}No target shapshot available for snapper config ${GREEN}'%s'${MAGENTA}...${NO_COLOR}\n" \
printf "${MAGENTA}No target shapshot available for snapper config ${GREEN}'%s'${MAGENTA}...${NO_COLOR}\n" \
"$selected_config"
fi
fi
backup_root=$selected_target/$backupdir/$snapper_target_config
#snapper_target_sync_id=$snapper_source_sync_id
backup_root=$selected_target/$backupdir/$snapper_target_config
#snapper_target_sync_id=$snapper_source_sync_id
else
# get backupdir from snapper target
get_snapper_target_backupdir $backupdir
# get backupdir from snapper target
get_snapper_target_backupdir $backupdir
# set target sync_snapshot path
get_snapper_config_value "remote=$remote" \
@@ -1052,7 +1057,7 @@ run_config_preparation () {
fi
fi
# save values in config specific pseudo arrays
# save values in config specific pseudo arrays
eval "snapper_source_config_$i='$selected_config'"
eval "snapper_target_config_$i='$snapper_target_config'"
eval "snapper_config_type_$i='$snapper_config_type'"
@@ -1095,16 +1100,16 @@ run_backup () {
SNAP_SYNC_EXCLUDE=no
if [ -f "/etc/snapper/configs/$selected_config" ]; then
. /etc/snapper/configs/$selected_config
. /etc/snapper/configs/$selected_config
else
die "Selected snapper configuration '$selected_config' does not exist."
die "Selected snapper configuration '$selected_config' does not exist."
fi
cont_backup=$(eval echo \$snapper_activate_$i)
if [ "$cont_backup" = "no" ] || [ "$SNAP_SYNC_EXCLUDE" = "yes" ]; then
if [ $donotify -gt 0 ]; then
notify_info "Backup in progress" "NOTE: Skipping '$selected_config' configuration."
fi
fi
continue
fi
@@ -1113,8 +1118,8 @@ run_backup () {
fi
# retrieve config specific infos from pseudo Arrays
snapper_source_config=$(eval echo \$snapper_source_config_$i)
snapper_target_config=$(eval echo \$snapper_target_config_$i)
snapper_source_config=$(eval echo \$snapper_source_config_$i)
snapper_target_config=$(eval echo \$snapper_target_config_$i)
snapper_config_type=$(eval echo \$snapper_config_type_$i)
snapper_source_sync_id=$(eval echo \$snapper_source_sync_id_$i)
snapper_source_sync_snapshot=$(eval echo \$snapper_source_sync_snapshot_$i)
@@ -1132,8 +1137,8 @@ run_backup () {
fi
# check for last common snapshot
snapper_source_id=$snapper_source_sync_id
snapper_source_snapshot=$SUBVOLUME/.snapshots/$snapper_source_sync_id/snapshot
snapper_source_info=$SUBVOLUME/.snapshots/$snapper_source_sync_id/info.xml
snapper_source_snapshot=$SUBVOLUME/.snapshots/$snapper_source_sync_id/snapshot
snapper_source_info=$SUBVOLUME/.snapshots/$snapper_source_sync_id/info.xml
;;
*)
if [ $verbose -ge 3 ]; then
@@ -1165,37 +1170,43 @@ run_backup () {
"$snapper_source_id" "$snapper_source_snapshot"
fi
# qgroup for given path, exclude ancestrals
# qgroup identifiers conform to level/id where level 0 is reserved to the qgroups associated with subvolumes
snapper_source_snapshot_size=$(eval btrfs qgroup show -f --raw $snapper_source_snapshot 2>/dev/null \
| awk 'FNR>2 {print $2}')
if [ $verbose -ge 3 ]; then
printf "${MAGENTA}BTRFS qgroup show result: ${GREEN}'%s'\b${NO_COLOR}'%s'\n" \
"$?" "$snapper_source_snapshot_size"
fi
#if [ $? -eq 1 ]; then
if [ $btrfs_quota -eq 1 ]; then
# qgroup for given path, exclude ancestrals
# qgroup identifiers conform to level/id where level 0 is reserved to the qgroups associated with subvolumes
snapper_source_snapshot_size=$(eval btrfs qgroup show -f --raw $snapper_source_snapshot 2>/dev/null \
| awk 'FNR>2 {print $2}')
if [ $verbose -ge 3 ]; then
printf "${MAGENTA}BTRFS qgroup show result: ${GREEN}'%s'\b${NO_COLOR}'%s'\n" \
"$?" "$snapper_source_snapshot_size"
fi
#if [ $? -eq 1 ]; then
# subvolume is not configured for quota, (temporary?) enable that
#btrfs_quota_tmp=1
#btrfs quota enable $snapper_source_snapshot 2>/dev/null
#btrfs quota rescan -w $snapper_source_snapshot 2>/dev/null
#fi
#fi
# need to substitue btrfs 'x.yyGiB' suffix, since pv will need 'xG'
if [ $snapper_source_snapshot_size -ge 1073741824 ]; then
snapper_source_snapshot_size=$(eval btrfs qgroup show -f --gbytes $snapper_source_snapshot 2>/dev/null \
| awk 'FNR>2 { gsub(/.[0-9][0-9]GiB/,"G"); print $2}')
# need to substitue btrfs 'x.yyGiB' suffix, since pv will need 'xG'
if [ $snapper_source_snapshot_size -ge 1073741824 ]; then
snapper_source_snapshot_size=$(eval btrfs qgroup show -f --gbytes $snapper_source_snapshot 2>/dev/null \
| awk 'FNR>2 { gsub(/.[0-9][0-9]GiB/,"G"); print $2}')
fi
if [ $verbose -ge 2 ]; then
printf "${MAGENTA}BTRFS quota size for ${GREEN}source snapshot${MAGENTA}: id=${GREEN}'%s'${MAGENTA}, size=${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_source_id" "$snapper_source_snapshot_size"
fi
# should we disable quota usage again?
#if [ $btrfs_quota_tmp -eq 1 ]; then btrfs quota disable $snapper_source_snapshot; fi
else
snapper_source_snapshot_size=$(du --sum $snapper_source_snapshot 2>/dev/null \
| awk -F ' ' '{print $1}')
snapper_source_snapshot_size=$(($snapper_source_snapshot_size / 1024 / 1024))G
if [ $verbose -ge 2 ]; then
printf "${MAGENTA}BTRFS subvolume size for ${GREEN}source snapshot${MAGENTA}: id=${GREEN}'%s'${MAGENTA}, size=${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_source_id" "$snapper_source_snapshot_size"
fi
fi
if [ $verbose -ge 2 ]; then
printf "${MAGENTA}BTRFS quota size for ${GREEN}source snapshot${MAGENTA}: id=${GREEN}'%s'${MAGENTA}, size=${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_source_id" "$snapper_source_snapshot_size"
fi
# should we disable quota usage again?
#if [ $btrfs_quota_tmp -eq 1 ]; then btrfs quota disable $snapper_source_snapshot; fi
#snapper_source_snapshot_size=$(du --sum $snapper_source_snapshot 2>/dev/null \
# | awk -F ' ' '{print $1}')
#snapper_source_snapshot_size=$(($snapper_source_snapshot_size / 1024 / 1024))G
# settings for interactive progress status
if [ $do_pv_cmd -eq 1 ]; then
@@ -1236,9 +1247,9 @@ run_backup () {
printf "New ${GREEN}source${NO_COLOR} snapshot id: ${GREEN}'%s'${NO_COLOR} (path: ${GREEN}'%s'${NO_COLOR})\n" \
"$snapper_source_id" "$snapper_source_snapshot"
printf "Last synced ${GREEN}target${NO_COLOR} snapshot id: ${GREEN}'%s'${NO_COLOR} (path: ${GREEN}'%s'${NO_COLOR})\n" \
"$snapper_target_sync_id" "$snapper_target_sync_snapshot"
"$snapper_target_sync_id" "$snapper_target_sync_snapshot"
printf "New ${GREEN}target${NO_COLOR} snapshot id: ${GREEN}'%s'${NO_COLOR} (path: ${GREEN}'%s'${NO_COLOR})\n" \
"$snapper_target_id" "$snapper_target_snapshot/snapshot"
"$snapper_target_id" "$snapper_target_snapshot/snapshot"
fi
# verify that source snapshot-id corresponds to a matching target snapshot-id
if [ $snapper_target_sync_id -ne $snapper_source_sync_id ]; then
@@ -1506,7 +1517,8 @@ run_finalize () {
if [ $verbose -ge 3 ]; then
printf "${MAGENTA}Tagging snapper metadata${NO_COLOR} for snapper id ${GREEN}'%s'${NO_COLOR} on source for configuration ${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_source_id" "$selected_config"
printf "calling: '%s'\n" "$(eval $cmd)"
# printf "calling: '%s'\n" "$(eval $cmd)"
printf "calling: '%s'\n" "$cmd"
fi
ret=$(eval "$cmd")
if [ $verbose -ge 3 ]; then
@@ -1522,7 +1534,7 @@ run_finalize () {
if [ $verbose -ge 3 ]; then
printf "${MAGENTA}Tagging snapper metadata${NO_COLOR} for snapper sync id ${GREEN}'%s'${NO_COLOR} on source for configuration ${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_source_sync_id" "$selected_config"
printf "calling: '%s'\n" "$(eval $cmd)"
printf "calling: '%s'\n" "$cmd"
fi
ret=$(eval "$cmd")
snapper_source_sync_snapshot=$SUBVOLUME/.snapshots/$snapper_source_sync_id/snapshot
@@ -1540,7 +1552,7 @@ run_finalize () {
fi
if [ $verbose -ge 1 ]; then
printf "Backup complete: id=${GREEN}'%s'${NOCOLOR}, config=${GREEN}'%s'${NOCOLOR}\n" \
printf "Backup complete: id=${GREEN}'%s'${NO_COLOR}, config=${GREEN}'%s'${NO_COLOR}\n" \
"$snapper_source_id" "$selected_config"
fi
done
@@ -1714,6 +1726,7 @@ Usage: $progname [options]
Options:
-a, --automount <path> start automount for given path to get a valid target mountpoint.
-b, --backupdir <prefix> backupdir is a relative path that will be appended to target backup-root
--use-btrfs-quota use btrfs-quota to calculate snapshot size
-d, --description <desc> Change the snapper description. Default: "latest incremental backup"
--label-finished <desc> snapper description tagging successful jobs. Default: "dsnap-sync backup"
--label-running <desc> snapper description tagging active jobs. Default: "dsnap-sync in progress"
@@ -1991,11 +2004,11 @@ verify_snapper_structure () {
# create the non existing remote BTRFS subvolume for given snapshot
#cmd="$ssh btrfs subvolume create $backup_root/$snapper_snapshot 1>/dev/null"
#$(eval $cmd) || \
# die "Creation of BTRFS subvolume (snapshot): %s:%s failed.\n" \
# "$remote_host" "$backup_root" "$remote_host"
# die "Creation of BTRFS subvolume (snapshot): %s:%s failed.\n" \
# "$remote_host" "$backup_root" "$remote_host"
# cmd="$ssh chmod 0700 $backup_root 1>/dev/null"
# $(eval $cmd) || \
# die "Changing the directory mode for '$backup_root' on '$remote_host'."
# die "Changing the directory mode for '$backup_root' on '$remote_host'."
else
printf "dryrun: Would create new snapper configuration from template %s ...\n" "$snapper_subvolume_template"
printf "dryrun: Would create new snapper subvolume '%s' ...\n" "$backup_root/$snapper_snapshot"