rzerres/dsnap-sync
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dsnap-sync: command line-up

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Ralf Zerres
2018-06-25 20:26:55 +02:00
parent 675fc77d64
commit ae3401135b
1 changed files with 29 additions and 14 deletions
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43
bin/dsnap-sync
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@@ -114,8 +114,12 @@ check_snapper_failed_ids () {
local batch=${1:-$false} local batch=${1:-$false}
# active, non finished snapshot backups are marked with a reasonable string # active, non finished snapshot backups are marked with a reasonable string
# default: $(snap_description_running -> "$progname backup in progress" # default: $(snap_description_running -> "$progname backup in progress" (userdata: host=$source)
snapper_failed_ids=$(eval snapper --config $selected_config list --type single | awk '/'"$snap_description_running"'/ {cnt++} END {print cnt}') snapper_failed_ids=$(eval snapper --config $selected_config list --type single | awk '/'"$snap_description_running"'/ {cnt++} END {print cnt}')
#snapper_failed_ids="snapper --config $selected_config list --type single \
# | awk '/'"$snap_description_running"'/' \
# | awk ' /'host='"$remote"'/ {cnt++} END {print cnt}'"
if [ ${#snapper_failed_ids} -gt 0 ]; then if [ ${#snapper_failed_ids} -gt 0 ]; then
if [ "$batch" ]; then if [ "$batch" ]; then
answer="yes" answer="yes"
@@ -127,6 +131,9 @@ check_snapper_failed_ids () {
fi fi
if [ "$answer" = "yes" ]; then if [ "$answer" = "yes" ]; then
cmd2="snapper --config \"$selected_config\" list | awk '/'\"$snap_description_running\"'/ {print \$3}'" cmd2="snapper --config \"$selected_config\" list | awk '/'\"$snap_description_running\"'/ {print \$3}'"
#cmd2="snapper --config \"$selected_config\" list \
# | awk '/'\"$snap_description_running\"'/' \
# | awk '/'host='\"$remote\"'/ {print \$3}'"
cmd="snapper --config \"$selected_config\" delete " cmd="snapper --config \"$selected_config\" delete "
$(eval $cmd $(eval $cmd2)) $(eval $cmd $(eval $cmd2))
fi fi
@@ -702,7 +709,11 @@ run_config () {
printf "Last syncronized Snapshot-Path for '%s': %s\n" "$selected_config" "$snapper_sync_snapshot" printf "Last syncronized Snapshot-Path for '%s': %s\n" "$selected_config" "$snapper_sync_snapshot"
fi fi
backupdir=$(snapper --config "$selected_config" list --type single | awk -F "|" '/'"$snap_description_synced"'/' | awk -F "|" '/subvolid='"$selected_subvol"'/, /uuid='"$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}') backupdir=$(snapper --config "$selected_config" list --type single \
| awk -F "|" '/'"$snap_description_synced"'/' \
| awk -F "|" '/subvolid='"$selected_subvol"'/, /uuid='"$selected_uuid"'/ {print $5}' \
| awk -F "," '/backupdir/ {print $1}' \
| awk -F"=" '{print $2}')
if [ "$interactive" ]; then if [ "$interactive" ]; then
if [ -z "$backupdir"]; then if [ -z "$backupdir"]; then
answer=yes answer=yes
@@ -928,7 +939,7 @@ run_backup () {
eval $cmd 1>/dev/null eval $cmd 1>/dev/null
if [ "$?" -gt 0 ]; then if [ "$?" -gt 0 ]; then
printf "${RED}BTRFS_PIPE: %s${NO_COLOR}" "cat $BTRFS_PIPE" printf "${RED}BTRFS_PIPE: %s${NO_COLOR}" "cat $BTRFS_PIPE"
# die "btrfs pipe error." die "btrfs pipe error."
fi fi
else else
printf "dryrun: '%s'" "cmd" printf "dryrun: '%s'" "cmd"
@@ -1152,16 +1163,19 @@ run_finalize () {
fi fi
sync sync
cmd="snapper --config $selected_config modify \ if [ ${#snapper_sync_id} -gt 0 ]; then
--description \"$snap_description_finished\" \ cmd="snapper --config $selected_config modify \
$snapper_sync_id" --description \"$snap_description_finished\" \
$snapper_sync_id"
if [ $verbose -ge 2 ]; then if [ $verbose -ge 2 ]; then
printf "${YELLOW}Tagging snapper metadata${NO_COLOR} for snapper sync id ${GREEN}'%s'${NO_COLOR} on source for configuration ${GREEN}'%s'${NO_COLOR} ...\n" \ printf "${YELLOW}Tagging snapper metadata${NO_COLOR} for snapper sync id ${GREEN}'%s'${NO_COLOR} on source for configuration ${GREEN}'%s'${NO_COLOR} ...\n" \
"$snapper_sync_id" "$selected_config" "$snapper_sync_id" "$selected_config"
printf "calling: '%s'\n" "$cmd" printf "calling: '%s'\n" "$cmd"
fi
ret=$(eval "$cmd")
snapper_sync_snapshot=$SUBVOLUME/.snapshots/$snapper_sync_id/snapshot
fi fi
ret=$(eval "$cmd")
else else
# dry-run output # dry-run output
cmd="$ssh snapper --verbose --config $snapper_target_config modify -description $snap_description_finished --userdata $target_userdata --cleanup-algorithm $snap_cleanup_algorithm $snapper_new_id" cmd="$ssh snapper --verbose --config $snapper_target_config modify -description $snap_description_finished --userdata $target_userdata --cleanup-algorithm $snap_cleanup_algorithm $snapper_new_id"
@@ -1402,7 +1416,7 @@ verify_snapper_structure () {
fi fi
fi fi
# verify that we have a snapper compatible structure for selected config on target # verify that we have a snapper compatible structure for selected config on target (a btrfs subvolume)
cmd="$ssh stat --format %i $backup_root/$snapper_config 2>/dev/null" cmd="$ssh stat --format %i $backup_root/$snapper_config 2>/dev/null"
if [ -z $(eval $cmd) ]; then if [ -z $(eval $cmd) ]; then
if [ $verbose -ge 1 ]; then if [ $verbose -ge 1 ]; then
@@ -1410,7 +1424,7 @@ verify_snapper_structure () {
printf "${MAGENTA}Create${NO_COLOR} new snapper capable BTRFS subvolume ${MAGENTA}'%s'${NO_COLOR} ...\n" \ printf "${MAGENTA}Create${NO_COLOR} new snapper capable BTRFS subvolume ${MAGENTA}'%s'${NO_COLOR} ...\n" \
"$backup_root/$snapper_config" "$backup_root/$snapper_config"
else else
printf "Create new snapper capable BTRFS subvolume '%s' on remote host '%s' ...\n" \ printf "${MAGENTA}Create${NO_COLOR} new snapper capable BTRFS subvolume '%s' on ${MAGENTA}remote host '%s'${NO_COLOR} ...\n" \
"$remote_host" "$backup_root/$snapper_config" "$remote_host" "$backup_root/$snapper_config"
fi fi
fi fi
@@ -1433,7 +1447,8 @@ verify_snapper_structure () {
$(eval $cmd) || die "Changing the directory mode for %s on %s failed.\n" \ $(eval $cmd) || die "Changing the directory mode for %s on %s failed.\n" \
"$backup_root/$snapper_config" "$remote_host" "$backup_root/$snapper_config" "$remote_host"
# create the non exiting remote snapshotcmd="$ssh btrfs subvolume create $backup_root/$snapper_config/$snapper_snapshot 1>/dev/null" # create the non existing remote snapshot
cmd="$ssh btrfs subvolume create $backup_root/$snapper_config/$snapper_snapshot 1>/dev/null"
$(eval $cmd) || \ $(eval $cmd) || \
die "Creation of BTRFS subvolume $remote_host: $backup_root/$snapper_config failed." die "Creation of BTRFS subvolume $remote_host: $backup_root/$snapper_config failed."
cmd="$ssh chmod 0700 $backup_root/$snapper_config 1>/dev/null" cmd="$ssh chmod 0700 $backup_root/$snapper_config 1>/dev/null"