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zsc-sync.sh: don't mount remote fs, don't interrupt on errors

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This commit is contained in:
Alice Gaudon 2021-04-06 10:27:28 +02:00
parent 7ed6a15ec3
commit e0af0c4021
1 changed files with 32 additions and 6 deletions
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38
zsc-sync.sh
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@ -46,7 +46,7 @@ resume_transfer() {
RESUME_TOKEN=$(echo -e "$resume_tokens" | grep -P "^$remote_dataset\t.*\$" | cut -d$'\t' -f2) RESUME_TOKEN=$(echo -e "$resume_tokens" | grep -P "^$remote_dataset\t.*\$" | cut -d$'\t' -f2)
if [ "$RESUME_TOKEN" != "" ] && [ "$RESUME_TOKEN" != "-" ]; then if [ "$RESUME_TOKEN" != "" ] && [ "$RESUME_TOKEN" != "-" ]; then
echo "Resuming interrupted transfer..." echo "Resuming interrupted transfer..."
zfs send -v -t "$RESUME_TOKEN" | ssh $REMOTE zfs receive -F -s "$remote_dataset" || return 1 zfs send -v -t "$RESUME_TOKEN" | ssh $REMOTE zfs receive -Fu -s "$remote_dataset" || return 1
echo "Resumed transfer finished." echo "Resumed transfer finished."
update_remote_state update_remote_state
return 0 return 0
@ -120,12 +120,16 @@ handle_dataset() {
if [ $RECURSIVE = true ] ; then if [ $RECURSIVE = true ] ; then
recu="-R" recu="-R"
fi fi
zfs send -v -p $recu $incr "$DATASET@$TO_SNAPSHOT" | ssh $REMOTE zfs receive -F -s "$TARGET_REMOTE_DATASET" || return 1 zfs send -v -p $recu $incr "$DATASET@$TO_SNAPSHOT" | ssh $REMOTE zfs receive -Fu -s "$TARGET_REMOTE_DATASET" || return 1
echo echo
echo "Done" echo "Done"
echo echo
else
echo "No snapshot to sync"
fi fi
return 0
} }
init_subdataset() { init_subdataset() {
@ -149,7 +153,7 @@ init_subdataset() {
fi fi
echo "[$DATASET@$LOCAL_SNAPSHOT -> $TARGET_REMOTE_DATASET]" echo "[$DATASET@$LOCAL_SNAPSHOT -> $TARGET_REMOTE_DATASET]"
zfs send -v -p "$DATASET@$LOCAL_SNAPSHOT" | ssh $REMOTE zfs receive -F -s "$TARGET_REMOTE_DATASET" || return 1 zfs send -v -p "$DATASET@$LOCAL_SNAPSHOT" | ssh $REMOTE zfs receive -Fu -s "$TARGET_REMOTE_DATASET" || return 1
echo echo
echo "--- Done" echo "--- Done"
@ -158,17 +162,21 @@ init_subdataset() {
echo echo
echo "--- Subdataset $TARGET_REMOTE_DATASET is out of date compared to parent dataset. Syncing first..." echo "--- Subdataset $TARGET_REMOTE_DATASET is out of date compared to parent dataset. Syncing first..."
handle_dataset "$DATASET" false "" "$TARGET_REMOTE_DATASET" || exit 1 handle_dataset "$DATASET" false "" "$TARGET_REMOTE_DATASET" || return 1
echo echo
echo "--- Done" echo "--- Done"
echo echo
fi fi
return 0
} }
update_remote_state update_remote_state
HAD_ERROR=0
for line in $(cat "$ZSC_CONFIG") ; do for line in $(cat "$ZSC_CONFIG") ; do
IFS=: read dataset recursive d w m y prefix <<< "$line" IFS=: read dataset recursive d w m y prefix <<< "$line"
echo echo
@ -206,14 +214,30 @@ for line in $(cat "$ZSC_CONFIG") ; do
echo "Subdatasets: ${SUBDATASETS[@]}" echo "Subdatasets: ${SUBDATASETS[@]}"
echo echo
for p in "${SUBDATASETS[@]}"; do for p in "${SUBDATASETS[@]}"; do
init_subdataset $p $dataset "$latest_synchronized_snapshot" || exit 1 init_subdataset $p $dataset "$latest_synchronized_snapshot"
r=$?
if [ ! $r ]; then
echo "Error while initing subdataset $p, continuing"
if [ $HAD_ERROR ]; then
HAD_ERROR=$r
fi
fi
done done
echo echo
echo "----------" echo "----------"
echo echo
update_remote_state
fi fi
handle_dataset $dataset $recursive $prefix || exit 1 handle_dataset $dataset $recursive $prefix
r=$?
if [ ! $r ]; then
echo "Error while initing subdataset $p, continuing"
if [ $HAD_ERROR ]; then
HAD_ERROR=$r
fi
fi
echo echo
echo "----------------------------------------------------------------------" echo "----------------------------------------------------------------------"
@ -224,3 +248,5 @@ done
### UNLOCK ### ### UNLOCK ###
echo "Unlocking $0" echo "Unlocking $0"
lockfile-remove "$0" lockfile-remove "$0"
exit $HAD_ERROR