Otho/zfs-backup
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Added remote zfs option.

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Otho 2023-01-16 19:19:06 -05:00
parent f3b0b48a76
commit 1397c9c127
Signed by: Otho
GPG Key ID: 16C720CD3BBE21D9
1 changed files with 29 additions and 17 deletions
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40
backup.sh
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@ -9,9 +9,9 @@ nodes_file="nodes.txt"
datasets_file="datasets.txt" datasets_file="datasets.txt"
### datasets.txt ### datasets.txt
# <dataset 1> # <dataset 1> [remote dataset]
# <dataset 2> # <dataset 2> [remote dataset]
# <dataset 3> # <dataset 3> [remote dataset]
# ... # ...
if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi
@ -40,12 +40,14 @@ while read dataset dataset_options; do
snapshot_dataset="yes" snapshot_dataset="yes"
send_dataset="yes" send_dataset="yes"
case $dataset_options in for option in $dataset_options; do
case $option in
*"nosnap"* ) snapshot_dataset="" ;; *"nosnap"* ) snapshot_dataset="" ;;
esac
case $dataset_options in
*"nosend"* ) send_dataset="" ;; *"nosend"* ) send_dataset="" ;;
*"remotezfs="*) remotezfs=`echo $option|cut -d'=' -f2` ;
dataset="$dataset:$remotezfs" ;;
esac esac
done
if [ $send_dataset ]; then if [ $send_dataset ]; then
SEND_DATASETS="$SEND_DATASETS $dataset" SEND_DATASETS="$SEND_DATASETS $dataset"
@ -58,6 +60,7 @@ done < datasets.txt
list_datasets() list_datasets()
{ {
for dataset in $SEND_DATASETS; do for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
zfs list -H $dataset zfs list -H $dataset
done done
} }
@ -73,13 +76,15 @@ list_remote_datasets() {
fi fi
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr\ echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr\
"sh -c 'for dataset in $SEND_DATASETS; "sh -c 'for dataset in $SEND_DATASETS; do
do zfs list -H $zroot\$dataset; dataset=`echo \\$dataset|cut -d':' -f2`
zfs list -H $zroot\$dataset;
done'" done'"
else else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"sh -c 'for dataset in $SEND_DATASETS; "sh -c 'for dataset in $SEND_DATASETS; do
do zfs list -H $zroot\$dataset; dataset=`echo \\$dataset|cut -d':' -f2`
zfs list -H $zroot\$dataset;
done';" done';"
fi fi
done < sendnodes.tmp done < sendnodes.tmp
@ -106,6 +111,7 @@ get_latest_remote_snapshot()
zfs_allow_origin() zfs_allow_origin()
{ {
for dataset in $SEND_DATASETS; do for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dataset echo zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dataset
else else
@ -127,11 +133,13 @@ zfs_allow_mirrors()
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"for dataset in $SEND_DATASETS; do "for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs allow -u $user $MIRROR_PERMS $zroot\$dataset zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
done" done"
else else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"for dataset in $SEND_DATASETS; do "for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs allow -u $user $MIRROR_PERMS $zroot\$dataset zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
done" done"
fi fi
@ -161,18 +169,20 @@ send_latest()
esac esac
fi fi
for dataset in $SEND_DATASETS; do for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
remote_dataset=`echo $dataset|cut -d':' -f2`
origin_snapshot=`get_latest_snapshot $dataset` origin_snapshot=`get_latest_snapshot $dataset`
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot \| \ echo zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot \| \
pv -qL $BANDWIDTH_LIMIT \| \ pv -qL $BANDWIDTH_LIMIT \| \
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
else else
zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot | zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot |
pv -qL $BANDWIDTH_LIMIT | pv -qL $BANDWIDTH_LIMIT |
ssh $SSH_SEND_OPTS -o port=$ssh_port \ ssh $SSH_SEND_OPTS -o port=$ssh_port \
$user@$addr \ $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
fi fi
done done
done < sendnodes.tmp done < sendnodes.tmp
@ -189,6 +199,8 @@ send_increment()
esac esac
fi fi
for dataset in $SEND_DATASETS; do for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
remote_dataset=`echo $dataset|cut -d':' -f2`
origin_snapshot=`get_latest_snapshot` origin_snapshot=`get_latest_snapshot`
remote_snapshot=`get_latest_remote_snapshot` remote_snapshot=`get_latest_remote_snapshot`
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
@ -197,14 +209,14 @@ send_increment()
$dataset@$origin_snapshot \| \ $dataset@$origin_snapshot \| \
pv -qL $BANDWIDTH_LIMIT \| \ pv -qL $BANDWIDTH_LIMIT \| \
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
else else
zfs send $ZFS_SEND_OPTS \ zfs send $ZFS_SEND_OPTS \
-i $dataset@$remote_snapshot \ -i $dataset@$remote_snapshot \
$dataset@$origin_snapshot | $dataset@$origin_snapshot |
pv -qL $BANDWIDTH_LIMIT | pv -qL $BANDWIDTH_LIMIT |
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
fi fi
done done
done < sendnodes.tmp done < sendnodes.tmp