ceph-volume lvm.batch use the abspath attribute for Device objects in…

… bluestore

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit b2a62c2)

src/ceph-volume/ceph_volume/devices/lvm/strategies/bluestore.py

@@ -181,7 +181,7 @@ def compute(self):
             osds.append(osd)
 
         self.computed['vgs'] = [{
-            'devices': [d['path'] for d in self.ssds],
+            'devices': [d.abspath for d in self.ssds],
             'parts': self.db_lvs,
             'percentages': self.vg_extents['percentages'],
             'sizes': self.vg_extents['sizes'],