ask ganeti for vg, execute zfs snap using ssh command=

diff --git a/gnt-lv-snap-rsync.sh b/gnt-lv-snap-rsync.sh
index d7224dd..770ffe6 100755 (executable)
--- a/gnt-lv-snap-rsync.sh
+++ b/gnt-lv-snap-rsync.sh
@@ -18,26 +18,28 @@ instance=`gnt-instance list --no-headers -o name $instance | head -1`
 node=`gnt-instance list -o pnode --no-headers $instance`
 echo "# $instance on $node"
 
+vg=`gnt-cluster info | grep 'lvm volume group:' | cut -d: -f2 | tr -d ' '`
+
 ssh $node lvs -o name,tags | grep $instance | tee /dev/shm/$instace.$node.lvs | grep disk${disk}_data | while read lv origin ; do
        disk_nr=`echo $lv | cut -d. -f2 | tr -d a-z_`
        echo "# $lv | $origin | $disk_nr"
 
 cat <<__SHELL__ > /dev/shm/$instance.sh
 
-       lvcreate -L20480m -s -n$lv.snap /dev/ffzgvg/$lv
+       lvcreate -L20480m -s -n$lv.snap /dev/$vg/$lv
 
        mkdir /dev/shm/$lv.snap
 
        # we must mount filesystem read-write to allow journal recovery
-       offset=\`fdisk -l /dev/ffzgvg/$lv.snap -u | grep Linux$ | grep /dev/ffzgvg/$lv.snap | head -1 | sed 's/\*/ /' | awk '{ print \$2 * 512 }'\`
+       offset=\`fdisk -l /dev/$vg/$lv.snap -u | grep Linux$ | grep /dev/$vg/$lv.snap | head -1 | sed 's/\*/ /' | awk '{ print \$2 * 512 }'\`
        test ! -z "\$offset" && offset=",offset=\$offset"
-       mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime\$offset
+       mount /dev/$vg/$lv.snap /dev/shm/$lv.snap -o noatime\$offset
 
        rsync -ravHzXA --inplace --numeric-ids --delete /dev/shm/$lv.snap/ lib15::$backup/$instance/$disk_nr/
 
        umount /dev/shm/$lv.snap
 
-       lvremove -f /dev/ffzgvg/$lv.snap
+       lvremove -f /dev/$vg/$lv.snap
 
        rmdir /dev/shm/$lv.snap
        rm -v /dev/shm/$instance.sh
@@ -47,8 +49,8 @@ __SHELL__
 
        ssh $node sh -xe /dev/shm/$instance.sh
 
-       date=`date +%Y-%m-%d`
-       ssh lib15 zfs snap lib15/$backup/$instance/$disk_nr@$date
+       # execute zfs snap on lib15 via ssh command="" wrapper
+       ssh -i /root/.ssh/id_dsa-zfs lib15 lib15/$backup/$instance/$disk_nr
 done