rzerres/dsnap-sync
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snap-sync: improve remote processing

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- be more verbose advertising remote host
- require existence of selected snapper config

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
This commit is contained in:
Ralf Zerres
2018-01-17 18:27:40 +01:00
parent 655b159673
commit 15fecae9b4
1 changed files with 26 additions and 25 deletions
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29
bin/snap-sync
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@@ -470,10 +470,19 @@ run_config () {
printf "\nVerify configuration...\n" printf "\nVerify configuration...\n"
SNAP_SYNC_EXCLUDE=no
# loop though selected snapper configurations # loop though selected snapper configurations
# Pseudo Arrays $i -> store associated elements of selected_config # Pseudo Arrays $i -> store associated elements of selected_config
i=0 i=0
for selected_config in $selected_configs; do for selected_config in $selected_configs; do
# only process existing snap-sync configurations
if [ ! -f "/etc/snapper/configs/$selected_config" ]; then
die "Selected snapper configuration '$selected_config' does not exist."
else
. /etc/snapper/configs/$selected_config
if [ "$SUBVOLUME" = "/" ]; then
SUBVOLUME=''
fi
count=$(eval snapper --config $selected_config list --type single | \ count=$(eval snapper --config $selected_config list --type single | \
awk '/'"$snap_description_synced"'/' | \ awk '/'"$snap_description_synced"'/' | \
awk '/subvolid='"$selected_subvol"'/, /uuid='"$selected_uuid"'/ {cnt++} END {print cnt}') awk '/subvolid='"$selected_subvol"'/, /uuid='"$selected_uuid"'/ {cnt++} END {print cnt}')
@@ -487,20 +496,11 @@ run_config () {
selected_configs=$(echo $selected_configs | sed -e "s/\($selected_config*\)//") selected_configs=$(echo $selected_configs | sed -e "s/\($selected_config*\)//")
continue continue
fi fi
fi
# cleanup failed former runs # cleanup failed former runs
check_snapper_failed_ids $batch check_snapper_failed_ids $batch
SNAP_SYNC_EXCLUDE=no
if [ -f "/etc/snapper/configs/$selected_config" ]; then
. /etc/snapper/configs/$selected_config
if [ "$SUBVOLUME" = "/" ]; then
SUBVOLUME=''
fi
else
die "Selected snapper configuration $selected_config does not exist."
fi
if [ $SNAP_SYNC_EXCLUDE = "yes" ]; then if [ $SNAP_SYNC_EXCLUDE = "yes" ]; then
continue continue
fi fi
@@ -688,7 +688,7 @@ run_backup () {
snapper_target_config=$(eval echo \$snapper_target_config_$i) snapper_target_config=$(eval echo \$snapper_target_config_$i)
snapper_target_snapshot=$(eval echo \$snapper_target_snapshot_$i) snapper_target_snapshot=$(eval echo \$snapper_target_snapshot_$i)
verify_snapper_structure "backup_root=$backup_root" "snapper_target_config=$snapper_target_config" "snapper_new_id=$snapper_new_id" verify_snapper_structure "backup_root=$backup_root" "snapper_target_config=$snapper_target_config" "snapper_new_id=$snapper_new_id" "remote=$remote"
snapper_target_snapshot_size=$(du --sum $snapper_new_snapshot 2>/dev/null | awk -F ' ' '{print $1}') snapper_target_snapshot_size=$(du --sum $snapper_new_snapshot 2>/dev/null | awk -F ' ' '{print $1}')
@@ -1056,20 +1056,21 @@ verify_snapper_structure () {
local backup_root=${1##backup_root=} local backup_root=${1##backup_root=}
local snapper_config=${2##snapper_target_config=} local snapper_config=${2##snapper_target_config=}
local snapper_id=${3##snapper_new_id=} local snapper_id=${3##snapper_new_id=}
local remote_host=${4##remote=}
if [ "$verbose" ]; then if [ "$verbose" ]; then
printf "Verify snapper filesystem structure on target ...\n" printf "Verify snapper filesystem structure on target %s...\n" "$remote"
fi fi
# if not accessible, create backup-path # if not accessible, create backup-path
if $ssh [ ! -d $backup_root ]; then if $ssh [ ! -d $backup_root ]; then
if [ ! "$dryrun" ]; then if [ ! "$dryrun" ]; then
if [ "$verbose" ]; then if [ "$verbose" ]; then
printf "Create backup-path %s ...\n" "$backup_root" printf "Create backup-path %s:%s ...\n" "$remote_host" "$backup_root"
fi fi
$ssh mkdir --mode=0700 --parents $backup_root $ssh mkdir --mode=0700 --parents $backup_root
else else
printf "dryrun: Would create backup-path $backup_root %s ...\n" "$backup_root" printf "dryrun: Would create backup-path %s:%s ...\n" "$remote_host" "$backup_root"
fi fi
fi fi