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Additional error handling and return code

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This commit is contained in:
thorsten.spille 2023-11-21 22:40:27 +01:00
parent 4b23888a13
commit da27f61fdb
1 changed files with 15 additions and 8 deletions
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23
bashclub-zsync/usr/bin/bashclub-zsync
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@ -196,6 +196,7 @@ for name in "${syncvols[@]}"; do
for snap in $($ssh $sshcipher $sshport $source "zfs list -H -t snapshot -o name -S creation $name | grep -E \"$snapshot_filter\" | tail -1"); do
log "[INFO] Start initial replication: $snap => $target/$(echo $name | $cut -d'/' -f1)"
$ssh $sshcipher $sshport $source "zfs send -w -p $debug $snap" | $zfs receive $mp $cm -x $tag -x com.sun:auto-snapshot $debug -dF $target/$(echo $name | $cut -d'/' -f1)
if [ $? -gt $rc ]; then rc=1; fi
done
fi
@ -203,15 +204,21 @@ for name in "${syncvols[@]}"; do
guid=$($zfs list -H -o guid -s creation -t snapshot $target/$name | $tail -1)
if [[ $guid != "" ]]; then
last=$($ssh $sshcipher $sshport $source "zfs list -H -o name,guid -t snapshot $name | grep $guid | tail -1 | cut -f1")
IFS=$'\n'
if [[ $fstype == "filesystem" ]] && [[ $($zfs get -H -o value canmount $target/$name) != "noauto" ]]; then
$zfs set canmount=noauto $target/$name
if [[ $last != "" ]]; then
IFS=$'\n'
if [[ $fstype == "filesystem" ]] && [[ $($zfs get -H -o value canmount $target/$name) != "noauto" ]]; then
$zfs set canmount=noauto $target/$name
fi
for snap in $($ssh $sshcipher $sshport $source "zfs list -H -o name,guid -s creation -t snapshot $name | grep -E \"$snapshot_filter\" | grep --after-context=200 $guid | grep -v $guid | cut -f1"); do
log "[INFO] Replicating delta of $last => $snap to $target/$name"
$ssh $sshcipher $sshport $source "zfs send -w $debug -i $last $snap" | zfs receive -x $tag -x com.sun:auto-snapshot -F $debug $target/$name
if [ $? -gt $rc ]; then rc=1; fi
last=$snap
done
else
log "[ERROR] No matching snapshot (guid: $guid) found on source filesystem. This can be outdated snapshots on target or a previously deleted and new created dataset $name on the source filesystem."
if [ $rc -eq 0 ]; then rc=1; fi
fi
for snap in $($ssh $sshcipher $sshport $source "zfs list -H -o name,guid -s creation -t snapshot $name | grep -E \"$snapshot_filter\" | grep --after-context=200 $guid | grep -v $guid | cut -f1"); do
log "[INFO] Replicating delta of $last => $snap to $target/$name"
$ssh $sshcipher $sshport $source "zfs send -w $debug -i $last $snap" | zfs receive -x $tag -x com.sun:auto-snapshot -F $debug $target/$name
last=$snap
done
else
log "[ERROR] No snapshot found on $target/$name to add incremental snapshots to. The target dataset (with all children) needs to be deleted and recreated via replication."
if [ $rc -eq 0 ]; then rc=1; fi