Otho/zfs-backup
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Updated all run routines.

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Otho 2023-01-16 22:38:45 -05:00
parent 7c914b7a60
commit b178bf3793
Signed by: Otho
GPG Key ID: 16C720CD3BBE21D9
1 changed files with 82 additions and 71 deletions
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153
backup.sh
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@ -9,11 +9,11 @@ nodes_file="nodes.txt"
datasets_file="datasets.txt" datasets_file="datasets.txt"
### datasets.txt ### datasets.txt
# <dataset 1> [remote dataset] # <dataset 1> [options]
# <dataset 2> [remote dataset] # <dataset 2> [options]
# <dataset 3> [remote dataset] # <dataset 3> [options]
# ... # ...
# recognized options: nosend nosnap(shot) remotezfs=<remote dataset name> # recognized options: nosend nosnap(shot) remotezfs=<remote dset name>
if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi
if [ ! -f $datasets_file ]; then echo "No datasets specified."; exit 3; fi if [ ! -f $datasets_file ]; then echo "No datasets specified."; exit 3; fi
@ -48,6 +48,34 @@ run_send_recv()
fi fi
} }
run_snapshot()
{
if [ $ZB_TEST_MODE = "TRUE" ]; then
echo zfs snapshot $ZFS_SNAPSHOT_OPTS $dset@$snapid
else
zfs snapshot $ZFS_SNAPSHOT_OPTS $dset@$snapid
fi
}
run_allow()
{
if [ $ZB_TEST_MODE = "TRUE" ]; then
echo zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dset
else
zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dset
fi
}
run_remote()
{
ssh_cmd="ssh $SSH_SEND_OPTS -o port=$port $user@$addr"
if [ $ZB_TEST_MODE = "TRUE" ]; then
echo $ssh_cmd $remote_cmd
else
$ssh_cmd $remote_cmd
fi
}
set_compression() { set_compression() {
case $SEND_COMPRESSED in case $SEND_COMPRESSED in
[tTyY]*) ZFS_SEND_OPTS="$ZFS_SEND_OPTS -c" [tTyY]*) ZFS_SEND_OPTS="$ZFS_SEND_OPTS -c"
@ -57,8 +85,8 @@ set_compression() {
populate_datasets() populate_datasets()
{ {
while read dataset dataset_options; do while read dset dataset_options; do
case $dataset in case $dset in
\#*) continue;; \#*) continue;;
esac esac
@ -74,32 +102,32 @@ populate_datasets()
;; ;;
"remotezfs="*) "remotezfs="*)
remotezfs=`echo $option|cut -d'=' -f2` remotezfs=`echo $option|cut -d'=' -f2`
dataset="$dataset:$remotezfs" dset="$dset:$remotezfs"
;; ;;
esac esac
done done
if [ $send_dataset ]; then if [ $send_dataset ]; then
SEND_DATASETS="$SEND_DATASETS $dataset" SEND_DATASETS="$SEND_DATASETS $dset"
debug "Enabled send for $dataset." debug "Enabled send for $dset."
fi fi
if [ $snapshot_dataset ]; then if [ $snapshot_dataset ]; then
SNAPSHOT_DATASETS="$SNAPSHOT_DATASETS $dataset" SNAPSHOT_DATASETS="$SNAPSHOT_DATASETS $dset"
debug "Enabled snapshot for $dataset." debug "Enabled snapshot for $dset."
fi fi
done < datasets.txt done < datasets.txt
} }
list_datasets() list_datasets()
{ {
for dataset in $SEND_DATASETS; do for dset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d: -f1` dset=`echo $dset|cut -d: -f1`
zfs list -H $dataset zfs list -H $dset
done done
} }
list_remote_datasets() { list_remote_datasets() {
while read addr user ssh_port zroot speed; do while read addr user port zroot speed; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $zroot ]; then if [ $zroot ]; then
case $zroot in case $zroot in
@ -107,22 +135,19 @@ list_remote_datasets() {
*) zroot="$zroot/" ;; *) zroot="$zroot/" ;;
esac esac
fi fi
run_cmd=" remote_cmd="
sh -c 'for dataset in $SEND_DATASETS; do sh -c 'for dset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d: -f2` dset=`echo \\$dset|cut -d: -f2`
zfs list -H $zroot\$dataset; zfs list -H $zroot\$dset;
done'" done'
if [ $ZB_TEST_MODE = "TRUE" ]; then "
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr $run_cmd run_remote
else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr $run_cmd
fi
done < sendnodes.tmp done < sendnodes.tmp
} }
get_latest_snapshot() get_latest_snapshot()
{ {
zfs list -t snapshot $dataset | tail -n1 | cut -d'@' -f2 | cut -d' ' -f 1 zfs list -t snapshot $dset | tail -n1 | cut -d'@' -f2 | cut -d' ' -f 1
} }
get_latest_remote_snapshot() get_latest_remote_snapshot()
@ -133,26 +158,22 @@ get_latest_remote_snapshot()
*) zroot="$zroot/" ;; *) zroot="$zroot/" ;;
esac esac
fi fi
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ remote_cmd="zfs list -t snapshot $zroot$dset|tail -n1|cut -d'@' -f2|cut -d' ' -f 1"
"zfs list -t snapshot $zroot$dataset | run_remote
tail -n1|cut -d'@' -f2|cut -d' ' -f 1"
} }
zfs_allow_origin() zfs_allow_origin()
{ {
for dataset in $SEND_DATASETS; do for dset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d: -f1` dset=`echo $dset|cut -d: -f1`
if [ $ZB_TEST_MODE = "TRUE" ]; then run_allow
echo zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dataset
else
zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dataset
fi
done done
} }
zfs_allow_mirrors() zfs_allow_mirrors()
{ {
while read addr user ssh_port zroot speed; do while read addr user port zroot speed; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $zroot ]; then if [ $zroot ]; then
case $zroot in case $zroot in
@ -161,34 +182,26 @@ zfs_allow_mirrors()
esac esac
fi fi
remote_cmd=" remote_cmd="
for dataset in $SEND_DATASETS; do for dset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d: -f2` dset=`echo \\$dset|cut -d: -f2`
zfs allow -u $user $MIRROR_PERMS $zroot\$dataset zfs allow -u $user $MIRROR_PERMS $zroot\$dset
done done
" "
if [ $ZB_TEST_MODE = "TRUE" ]; then run_remote
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr $remote_cmd
else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr $remote_cmd
fi
done < sendnodes.tmp done < sendnodes.tmp
} }
create_snapshots() create_snapshots()
{ {
snapshot_id="`date -I`-`date +%s`-$LOCAL_TZ" snapid="`date -I`-`date +%s`-$LOCAL_TZ"
for dataset in $SNAPSHOT_DATASETS; do for dset in $SNAPSHOT_DATASETS; do
if [ $ZB_TEST_MODE = "TRUE" ]; then run_snapshot
echo zfs snapshot $ZFS_SNAPSHOT_OPTS $dataset@$snapshot_id
else
zfs snapshot $ZFS_SNAPSHOT_OPTS $dataset@$snapshot_id
fi
done done
} }
send_latest() send_latest()
{ {
while read addr user ssh_port zroot speed; do while read addr user port zroot speed; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $zroot ]; then if [ $zroot ]; then
case $zroot in case $zroot in
@ -196,15 +209,14 @@ send_latest()
*) zroot="$zroot/" ;; *) zroot="$zroot/" ;;
esac esac
fi fi
for dataset in $SEND_DATASETS; do for dset in $SEND_DATASETS; do
remote_dataset=`echo $dataset|cut -d: -f2` rset=`echo $dset|cut -d: -f2`
dataset=`echo $dataset|cut -d: -f1` dset=`echo $dset|cut -d: -f1`
debug "Processing $dataset (remote $remote_dataset)." debug "Processing $dset (remote $rset)."
origin_snapshot=`get_latest_snapshot $dataset` snap1=`get_latest_snapshot $dset`
send_cmd="zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot" send_cmd="zfs send $ZFS_SEND_OPTS $dset@$snap1"
pv_cmd="pv -qL ${speed:-$DEF_SPEED}" pv_cmd="pv -qL ${speed:-$DEF_SPEED}"
recv_cmd="ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ recv_cmd="ssh $SSH_SEND_OPTS -o port=$port $user@$addr zfs recv $ZFS_RECV_OPTS $zroot$rset"
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset"
run_send_recv run_send_recv
done done
done < sendnodes.tmp done < sendnodes.tmp
@ -212,7 +224,7 @@ send_latest()
send_increment() send_increment()
{ {
while read addr user ssh_port zroot speed; do while read addr user port zroot speed; do
echo "=== $user@$addr $zroot ===" echo "=== $user@$addr $zroot ==="
if [ $zroot ]; then if [ $zroot ]; then
case $zroot in case $zroot in
@ -220,16 +232,15 @@ send_increment()
*) zroot="$zroot/" ;; *) zroot="$zroot/" ;;
esac esac
fi fi
for dataset in $SEND_DATASETS; do for dset in $SEND_DATASETS; do
remote_dataset=`echo $dataset|cut -d: -f2` rset=`echo $dset|cut -d: -f2`
dataset=`echo $dataset|cut -d: -f1` dset=`echo $dset|cut -d: -f1`
origin_snapshot=`get_latest_snapshot` snap1=`get_latest_snapshot`
remote_snapshot=`get_latest_remote_snapshot` snap0=`get_latest_remote_snapshot`
send_cmd="zfs send $ZFS_SEND_OPTS -i $dataset@$remote_snapshot \ send_cmd="zfs send $ZFS_SEND_OPTS -i $dset@$snap0 $dset@$snap1"
$dataset@$origin_snapshot"
pv_cmd="pv -qL ${speed:-$DEF_SPEED}" pv_cmd="pv -qL ${speed:-$DEF_SPEED}"
recv_cmd="ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \ recv_cmd="ssh $SSH_SEND_OPTS -o port=$port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset" zfs recv $ZFS_RECV_OPTS $zroot$rset"
run_send_recv run_send_recv
done done
done < sendnodes.tmp done < sendnodes.tmp