Otho/zfs-backup
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Added option handling for datasets.

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Otho 2023-01-08 02:10:51 -05:00
parent b357e39996
commit 98b09fe806
Signed by: Otho
GPG Key ID: 16C720CD3BBE21D9
1 changed files with 29 additions and 13 deletions
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42
backup.sh
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@ -29,17 +29,33 @@ esac
ORIGIN_PERMS="send,snapshot,hold" ORIGIN_PERMS="send,snapshot,hold"
MIRROR_PERMS="compression,receive,create" MIRROR_PERMS="compression,receive,create"
GRAPH_DATASETS_RAW=`cat $datasets_file` SEND_DATASETS=""
GRAPH_DATASETS=`for dataset in $GRAPH_DATASETS_RAW; do SNAPSHOT_DATASETS=""
while read dataset dataset_options; do
case $dataset in case $dataset in
\#*) continue;; \#*) continue;;
esac esac
echo -n "$dataset "
done` snapshot_dataset="yes"
send_dataset="yes"
case $dataset_options in
*"nosnap"* ) snapshot_dataset="";;
esac
case $dataset_options in
*"nosend"* ) send_dataset="";;
esac
if [ $send_dataset ]; then
SEND_DATASETS="$SEND_DATASETS $dataset"
fi
if [ $snapshot_dataset ]; then
SNAPSHOT_DATASETS="$SNAPSHOT_DATASETS $dataset"
fi
done < datasets.txt
list_datasets() list_datasets()
{ {
for dataset in $GRAPH_DATASETS; do for dataset in $SEND_DATASETS; do
zfs list -H $dataset zfs list -H $dataset
done done
} }
@ -49,12 +65,12 @@ list_remote_datasets() {
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr\ echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr\
"sh -c 'for dataset in $GRAPH_DATASETS; "sh -c 'for dataset in $SEND_DATASETS;
do zfs list -H $zroot/\$dataset; do zfs list -H $zroot/\$dataset;
done'" done'"
else else
ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \ ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
"sh -c 'for dataset in $GRAPH_DATASETS; "sh -c 'for dataset in $SEND_DATASETS;
do zfs list -H $zroot/\$dataset; do zfs list -H $zroot/\$dataset;
done';" done';"
fi fi
@ -75,7 +91,7 @@ get_latest_remote_snapshot()
zfs_allow_origin() zfs_allow_origin()
{ {
for dataset in $GRAPH_DATASETS; do for dataset in $SEND_DATASETS; do
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
@ -90,12 +106,12 @@ zfs_allow_mirrors()
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \ echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
"for dataset in $GRAPH_DATASETS; do "for dataset in $SEND_DATASETS; do
zfs allow -u $user $MIRROR_PERMS $zroot/\$dataset zfs allow -u $user $MIRROR_PERMS $zroot/\$dataset
done" done"
else else
ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \ ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
"for dataset in $GRAPH_DATASETS; do "for dataset in $SEND_DATASETS; do
zfs allow -u $user $MIRROR_PERMS $zroot/\$dataset zfs allow -u $user $MIRROR_PERMS $zroot/\$dataset
done" done"
fi fi
@ -105,7 +121,7 @@ zfs_allow_mirrors()
create_snapshots() create_snapshots()
{ {
snapshot_id="`date -I`-`date +%s`-$LOCAL_TZ" snapshot_id="`date -I`-`date +%s`-$LOCAL_TZ"
for dataset in $GRAPH_DATASETS; do for dataset in $SNAPSHOT_DATASETS; do
if [ $BG_TEST_MODE = "TRUE" ]; then if [ $BG_TEST_MODE = "TRUE" ]; then
echo zfs snapshot $ZFS_SNAPSHOT_OPTS $dataset@$snapshot_id echo zfs snapshot $ZFS_SNAPSHOT_OPTS $dataset@$snapshot_id
else else
@ -118,7 +134,7 @@ send_latest()
{ {
while read addr user ssh_port zroot; do while read addr user ssh_port zroot; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
for dataset in $GRAPH_DATASETS; do for dataset in $SEND_DATASETS; do
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 \| \
@ -138,7 +154,7 @@ send_increment()
{ {
while read addr user ssh_port zroot; do while read addr user ssh_port zroot; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
for dataset in $GRAPH_DATASETS; do for dataset in $SEND_DATASETS; do
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