[dist] fix obstorage setup failures on worker-only appliance

dist/obsstoragesetup

@@ -242,15 +242,15 @@ case "$1" in
 						I=$(( $I + 1 ))
 
 						lverr=$(mktemp)
-						if ! lvcreate -n worker_root_${I} -L ${OBS_WORKER_ROOT_SIZE}M OBS ${pvs[$(( $pv_idx + $o1 ))]} 2> $lverr; then
+						if ! lvcreate --wipesignatures y -n worker_root_${I} -L ${OBS_WORKER_ROOT_SIZE}M OBS ${pvs[$(( $pv_idx + $o1 ))]} 2> $lverr; then
 							if grep "Insufficient free space" $lverr; then 
 								I=$(( $I - 1 ))
 							else	
 								cat $lverr >&2
 								exit
 							fi
 						else
- 				                        lvcreate -n worker_swap_${I} -L ${OBS_WORKER_SWAP_SIZE}M OBS ${pvs[$(( $pv_idx + $o2 ))]} || exit
+ 				                        lvcreate --wipesignatures y -n worker_swap_${I} -L ${OBS_WORKER_SWAP_SIZE}M OBS ${pvs[$(( $pv_idx + $o2 ))]} || exit
 						fi
 						rm -f $lverr
 				                pv_idx=$(( $pv_idx + 2 ))
@@ -279,14 +279,14 @@ case "$1" in
 							DEVS="$DEVS ${pvs[$(( $I * $disks_per_instance + $J ))]}"
 						done
 
-						lvcreate -n worker_root_${I} -i $disks_per_instance -L ${OBS_WORKER_ROOT_SIZE}M OBS $DEVS || exit
-				                lvcreate -n worker_swap_${I} -i $disks_per_instance -L ${OBS_WORKER_SWAP_SIZE}M OBS $DEVS || exit
+						lvcreate --wipesignatures y -n worker_root_${I} -i $disks_per_instance -L ${OBS_WORKER_ROOT_SIZE}M OBS $DEVS || exit
+				                lvcreate --wipesignatures y -n worker_swap_${I} -i $disks_per_instance -L ${OBS_WORKER_SWAP_SIZE}M OBS $DEVS || exit
 					done
 				fi
 
 				# Create cache partition on remaining space
 				#lvcreate -n cache -i $disks_per_instance -l 100%FREE OBS || exit
-				lvcreate -n cache -i $disks_per_instance -L "${OBS_WORKER_CACHE_SIZE}M" OBS || exit
+				lvcreate --wipesignatures y -n cache -i $disks_per_instance -L "${OBS_WORKER_CACHE_SIZE}M" OBS || exit
 				mkfs -text4 /dev/OBS/cache || exit
 			fi
 		fi
@@ -398,13 +398,15 @@ case "$1" in
 			fi
 		fi
 
-		# make sure that directories needed by mostly all other daemons are created now
-		# and set proper ownership
-		bsuser=`perl -I/usr/lib/obs/server -MBSConfig -e 'print ( $BSConfig::bsuser || "obsrun" )'`
-		bsgroup=`perl -I/usr/lib/obs/server -MBSConfig -e 'print ( $BSConfig::bsgroup || "obsrun" )'`
-		[ -d $backenddir/run ] || mkdir -p $backenddir/run
-		[ -d $backenddir/log ] || mkdir -p $backenddir/log
-		chown $bsuser:$bsgroup $backenddir $backenddir/run $backenddir/log
+		if [ -e /usr/lib/obs/server ]; then
+			# make sure that directories needed by mostly all other daemons are created now
+			# and set proper ownership
+			bsuser=`perl -I/usr/lib/obs/server -MBSConfig -e 'print ( $BSConfig::bsuser || "obsrun" )'`
+			bsgroup=`perl -I/usr/lib/obs/server -MBSConfig -e 'print ( $BSConfig::bsgroup || "obsrun" )'`
+			[ -d $backenddir/run ] || mkdir -p $backenddir/run
+			[ -d $backenddir/log ] || mkdir -p $backenddir/log
+			chown $bsuser:$bsgroup $backenddir $backenddir/run $backenddir/log
+		fi
 
 		# offer hook to make random special things in your setup
 		if [ -n "$OBS_WORKER_SCRIPT_URL" ]; then