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dsnap-sync: correction for tranfer_size calculation

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* adapt btrfs output to be compatible with pv requested format
  convert MiB or GiB to M or G

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
This commit is contained in:
Ralf Zerres
2019-12-19 01:34:45 +01:00
committed by Ralf Zerres
parent 48c784b35d
commit 5c9dc9c45b
1 changed files with 8 additions and 8 deletions
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16
bin/dsnap-sync
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@@ -217,17 +217,17 @@ check_transfer_size () {
else
if [ ${#clone_snapshot} -gt 0 ]; then
# WIP: dry run with btrfs send
exec 5>&1
transfer_size=$(btrfs send -v -p $clone_snapshot $source_snapshot \
| pv -f 2>&1 > /dev/null | tee >(cat - >&5) \
| awk -F ' ' '{print $1}' )
# need to substitue btrfs 'x.yyGiB' suffix, since pv will need 'xG'
transfer_size=$(btrfs send -v -p $clone_snapshot $source_snapshot 2>$BTRFS_PIPE \
| pv -f 2>&1 >/dev/null \
| awk -F ' ' '{ gsub(/.[0-9][0-9]MiB/,"M"); gsub(/.[0-9][0-9]GiB/,"G"); print $1 }' )
else
# filesystem size
transfer_size=$(du --one-file-system --summarize $snapper_source_snapshot 2>/dev/null \
| awk -F ' ' '{print $1}')
fi
if [ $transfer_size -ge 1048576 ]; then
transfer_size=$(($transfer_size / 1024 / 1024))G
if [ $transfer_size -ge 1048576 ]; then
transfer_size=$(($transfer_size / 1024 / 1024))G
fi
fi
if [ $verbose -ge 2 ]; then
printf "${MAGENTA}BTRFS transfer size for ${GREEN}source snapshot${MAGENTA}: size=${GREEN}'%s'${NO_COLOR} ...\n" \
@@ -1855,7 +1855,7 @@ run_backup () {
ret=$(eval $cmd)
if [ $? -eq 0 ]; then
# get size of stream that needs to be transfered
check_transfer_size "source_snapshot=$snapper_source_snapshot" "clone_snapshot=snapper_common_sync_snapshot"
check_transfer_size "source_snapshot=$snapper_source_snapshot" "clone_snapshot=$snapper_common_sync_snapshot"
create_pv_cmd
case $selected_fstype in