def _create_from_snapshot(self, context, volume_ref, snapshot_id,
**kwargs):
volume_id = volume_ref['id']
snapshot_ref = self.db.snapshot_get(context, snapshot_id)
model_update = self.driver.create_volume_from_snapshot(
volume_ref, snapshot_ref)
# NOTE(harlowja): Subtasks would be useful here since after this
# point the volume has already been created and further failures
# will not destroy the volume (although they could in the future).
make_bootable = False
try:
originating_vref = self.db.volume_get(context,
snapshot_ref['volume_id'])
make_bootable = originating_vref.bootable
except exception.CinderException as ex:
LOG.exception(
_("Failed fetching snapshot %(snapshot_id)s bootable"
" flag using the provided glance snapshot "
"%(snapshot_ref_id)s volume reference") % {
'snapshot_id': snapshot_id,
'snapshot_ref_id': snapshot_ref['volume_id']
})
raise exception.MetadataUpdateFailure(reason=ex)
if make_bootable:
self._handle_bootable_volume_glance_meta(context,
volume_id,
snapshot_id=snapshot_id)
return model_update
def _create_from_snapshot(self, context, volume, snapshot_id,
**kwargs):
snapshot = objects.Snapshot.get_by_id(context, snapshot_id)
try:
model_update = self.driver.create_volume_from_snapshot(volume,
snapshot)
finally:
self._cleanup_cg_in_volume(volume)
# NOTE(harlowja): Subtasks would be useful here since after this
# point the volume has already been created and further failures
# will not destroy the volume (although they could in the future).
make_bootable = False
try:
originating_vref = objects.Volume.get_by_id(context,
snapshot.volume_id)
make_bootable = originating_vref.bootable
except exception.CinderException as ex:
LOG.exception("Failed fetching snapshot %(snapshot_id)s bootable"
" flag using the provided glance snapshot "
"%(snapshot_ref_id)s volume reference",
{'snapshot_id': snapshot_id,
'snapshot_ref_id': snapshot.volume_id})
raise exception.MetadataUpdateFailure(reason=ex)
if make_bootable:
self._handle_bootable_volume_glance_meta(context, volume,
snapshot_id=snapshot_id)
return model_update
def _enable_bootable_flag(self, context, volume_id):
try:
LOG.debug('Marking volume %s as bootable.', volume_id)
self.db.volume_update(context, volume_id, {'bootable': True})
except exception.CinderException as ex:
LOG.exception(_LE("Failed updating volume %(volume_id)s bootable "
"flag to true"), {'volume_id': volume_id})
raise exception.MetadataUpdateFailure(reason=ex)
def _enable_bootable_flag(self, context, volume):
try:
LOG.debug('Marking volume %s as bootable.', volume.id)
volume.bootable = True
volume.save()
except exception.CinderException as ex:
LOG.exception("Failed updating volume %(volume_id)s bootable "
"flag to true", {'volume_id': volume.id})
raise exception.MetadataUpdateFailure(reason=ex)