def accept(self, context, transfer_id, auth_key): """Accept a volume that has been offered for transfer.""" # We must use an elevated context to see the volume that is still # owned by the donor. volume_api.check_policy(context, 'accept_transfer') transfer = self.db.transfer_get(context.elevated(), transfer_id) crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key) if crypt_hash != transfer['crypt_hash']: msg = (_("Attempt to transfer %s with invalid auth key.") % transfer_id) LOG.error(msg) raise exception.InvalidAuthKey(reason=msg) volume_id = transfer['volume_id'] vol_ref = self.db.volume_get(context.elevated(), volume_id) if vol_ref['consistencygroup_id']: msg = _("Volume %s must not be part of a consistency " "group.") % vol_ref['id'] LOG.error(msg) raise exception.InvalidVolume(reason=msg) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.start") try: reserve_opts = {'volumes': 1, 'gigabytes': vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) reservations = QUOTAS.reserve(context, **reserve_opts) except exception.OverQuota as e: overs = e.kwargs['overs'] usages = e.kwargs['usages'] quotas = e.kwargs['quotas'] def _consumed(name): return (usages[name]['reserved'] + usages[name]['in_use']) for over in overs: if 'gigabytes' in over: msg = _LW("Quota exceeded for %(s_pid)s, tried to create " "%(s_size)sG volume (%(d_consumed)dG of " "%(d_quota)dG already consumed)") LOG.warning( msg, { 's_pid': context.project_id, 's_size': vol_ref['size'], 'd_consumed': _consumed(over), 'd_quota': quotas[over] }) raise exception.VolumeSizeExceedsAvailableQuota( requested=vol_ref['size'], consumed=_consumed(over), quota=quotas[over]) elif 'volumes' in over: msg = _LW("Quota exceeded for %(s_pid)s, tried to create " "volume (%(d_consumed)d volumes " "already consumed)") LOG.warning(msg, { 's_pid': context.project_id, 'd_consumed': _consumed(over) }) raise exception.VolumeLimitExceeded(allowed=quotas[over], name=over) try: donor_id = vol_ref['project_id'] reserve_opts = {'volumes': -1, 'gigabytes': -vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) donor_reservations = QUOTAS.reserve(context.elevated(), project_id=donor_id, **reserve_opts) except Exception: donor_reservations = None LOG.exception( _LE("Failed to update quota donating volume" " transfer id %s"), transfer_id) try: # Transfer ownership of the volume now, must use an elevated # context. self.volume_api.accept_transfer(context, vol_ref, context.user_id, context.project_id) self.db.transfer_accept(context.elevated(), transfer_id, context.user_id, context.project_id) QUOTAS.commit(context, reservations) if donor_reservations: QUOTAS.commit(context, donor_reservations, project_id=donor_id) LOG.info(_LI("Volume %s has been transferred."), volume_id) except Exception: with excutils.save_and_reraise_exception(): QUOTAS.rollback(context, reservations) if donor_reservations: QUOTAS.rollback(context, donor_reservations, project_id=donor_id) vol_ref = self.db.volume_get(context, volume_id) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.end") return { 'id': transfer_id, 'display_name': transfer['display_name'], 'volume_id': vol_ref['id'] }
def accept(self, context, transfer_id, auth_key): """Accept a volume that has been offered for transfer.""" # We must use an elevated context to see the volume that is still # owned by the donor. volume_api.check_policy(context, 'accept_transfer') transfer = self.db.transfer_get(context.elevated(), transfer_id) crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key) if crypt_hash != transfer['crypt_hash']: msg = (_("Attempt to transfer %s with invalid auth key.") % transfer_id) LOG.error(msg) raise exception.InvalidAuthKey(reason=msg) volume_id = transfer['volume_id'] vol_ref = self.db.volume_get(context.elevated(), volume_id) try: reservations = QUOTAS.reserve(context, volumes=1, gigabytes=vol_ref['size']) except exception.OverQuota as e: overs = e.kwargs['overs'] usages = e.kwargs['usages'] quotas = e.kwargs['quotas'] def _consumed(name): return (usages[name]['reserved'] + usages[name]['in_use']) if 'gigabytes' in overs: msg = _("Quota exceeded for %(s_pid)s, tried to create " "%(s_size)sG volume (%(d_consumed)dG of %(d_quota)dG " "already consumed)") LOG.warn( msg % { 's_pid': context.project_id, 's_size': vol_ref['size'], 'd_consumed': _consumed('gigabytes'), 'd_quota': quotas['gigabytes'] }) raise exception.VolumeSizeExceedsAvailableQuota() elif 'volumes' in overs: msg = _("Quota exceeded for %(s_pid)s, tried to create " "volume (%(d_consumed)d volumes " "already consumed)") LOG.warn( msg % { 's_pid': context.project_id, 'd_consumed': _consumed('volumes') }) raise exception.VolumeLimitExceeded(allowed=quotas['volumes']) try: donor_id = vol_ref['project_id'] donor_reservations = QUOTAS.reserve(context.elevated(), project_id=donor_id, volumes=-1, gigabytes=-vol_ref['size']) except Exception: donor_reservations = None LOG.exception( _("Failed to update quota donating volume" "transfer id %s") % transfer_id) try: # Transfer ownership of the volume now, must use an elevated # context. self.volume_api.accept_transfer(context, vol_ref) self.db.transfer_accept(context.elevated(), transfer_id, context.user_id, context.project_id) QUOTAS.commit(context, reservations) if donor_reservations: QUOTAS.commit(context, donor_reservations, project_id=donor_id) LOG.info(_("Volume %s has been transferred.") % volume_id) except Exception: with excutils.save_and_reraise_exception(): QUOTAS.rollback(context, reservations) if donor_reservations: QUOTAS.rollback(context, donor_reservations, project_id=donor_id) vol_ref = self.db.volume_get(context, volume_id) return { 'id': transfer_id, 'display_name': transfer['display_name'], 'volume_id': vol_ref['id'] }
def accept(self, context, transfer_id, auth_key): """Accept a volume that has been offered for transfer.""" # We must use an elevated context to see the volume that is still # owned by the donor. context.authorize(policy.ACCEPT_POLICY) transfer = self.db.transfer_get(context.elevated(), transfer_id) crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key) if crypt_hash != transfer['crypt_hash']: msg = (_("Attempt to transfer %s with invalid auth key.") % transfer_id) LOG.error(msg) raise exception.InvalidAuthKey(reason=msg) volume_id = transfer['volume_id'] vol_ref = objects.Volume.get_by_id(context.elevated(), volume_id) if vol_ref['consistencygroup_id']: msg = _("Volume %s must not be part of a consistency " "group.") % vol_ref['id'] LOG.error(msg) raise exception.InvalidVolume(reason=msg) try: values = {'per_volume_gigabytes': vol_ref.size} QUOTAS.limit_check(context, project_id=context.project_id, **values) except exception.OverQuota as e: quotas = e.kwargs['quotas'] raise exception.VolumeSizeExceedsLimit( size=vol_ref.size, limit=quotas['per_volume_gigabytes']) try: reserve_opts = {'volumes': 1, 'gigabytes': vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) reservations = QUOTAS.reserve(context, **reserve_opts) except exception.OverQuota as e: quota_utils.process_reserve_over_quota(context, e, resource='volumes', size=vol_ref.size) try: donor_id = vol_ref['project_id'] reserve_opts = {'volumes': -1, 'gigabytes': -vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) donor_reservations = QUOTAS.reserve(context.elevated(), project_id=donor_id, **reserve_opts) except Exception: donor_reservations = None LOG.exception( "Failed to update quota donating volume" " transfer id %s", transfer_id) snap_res = None snap_donor_res = None if transfer['no_snapshots'] is False: snapshots = objects.SnapshotList.get_all_for_volume( context.elevated(), volume_id) volume_type_id = vol_ref.volume_type_id snap_res, snap_donor_res = self._handle_snapshot_quota( context, snapshots, volume_type_id, vol_ref['project_id']) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.start") try: # Transfer ownership of the volume now, must use an elevated # context. self.volume_api.accept_transfer(context, vol_ref, context.user_id, context.project_id, transfer['no_snapshots']) self.db.transfer_accept(context.elevated(), transfer_id, context.user_id, context.project_id, transfer['no_snapshots']) QUOTAS.commit(context, reservations) if snap_res: QUOTAS.commit(context, snap_res) if donor_reservations: QUOTAS.commit(context, donor_reservations, project_id=donor_id) if snap_donor_res: QUOTAS.commit(context, snap_donor_res, project_id=donor_id) LOG.info("Volume %s has been transferred.", volume_id) except Exception: with excutils.save_and_reraise_exception(): QUOTAS.rollback(context, reservations) if snap_res: QUOTAS.rollback(context, snap_res) if donor_reservations: QUOTAS.rollback(context, donor_reservations, project_id=donor_id) if snap_donor_res: QUOTAS.rollback(context, snap_donor_res, project_id=donor_id) vol_ref = objects.Volume.get_by_id(context.elevated(), volume_id) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.end") return { 'id': transfer_id, 'display_name': transfer['display_name'], 'volume_id': vol_ref['id'] }
def accept(self, context, transfer_id, auth_key): """Accept a volume that has been offered for transfer.""" # We must use an elevated context to see the volume that is still # owned by the donor. volume_api.check_policy(context, 'accept_transfer') transfer = self.db.transfer_get(context.elevated(), transfer_id) crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key) if crypt_hash != transfer['crypt_hash']: msg = (_("Attempt to transfer %s with invalid auth key.") % transfer_id) LOG.error(msg) raise exception.InvalidAuthKey(reason=msg) volume_id = transfer['volume_id'] vol_ref = self.db.volume_get(context.elevated(), volume_id) if vol_ref['consistencygroup_id']: msg = _("Volume %s must not be part of a consistency " "group.") % vol_ref['id'] LOG.error(msg) raise exception.InvalidVolume(reason=msg) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.start") try: reserve_opts = {'volumes': 1, 'gigabytes': vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) reservations = QUOTAS.reserve(context, **reserve_opts) except exception.OverQuota as e: quota_utils.process_reserve_over_quota(context, e, resource='volumes', size=vol_ref.size) try: donor_id = vol_ref['project_id'] reserve_opts = {'volumes': -1, 'gigabytes': -vol_ref.size} QUOTAS.add_volume_type_opts(context, reserve_opts, vol_ref.volume_type_id) donor_reservations = QUOTAS.reserve(context.elevated(), project_id=donor_id, **reserve_opts) except Exception: donor_reservations = None LOG.exception( _LE("Failed to update quota donating volume" " transfer id %s"), transfer_id) try: # Transfer ownership of the volume now, must use an elevated # context. self.volume_api.accept_transfer(context, vol_ref, context.user_id, context.project_id) self.db.transfer_accept(context.elevated(), transfer_id, context.user_id, context.project_id) QUOTAS.commit(context, reservations) if donor_reservations: QUOTAS.commit(context, donor_reservations, project_id=donor_id) LOG.info(_LI("Volume %s has been transferred."), volume_id) except Exception: with excutils.save_and_reraise_exception(): QUOTAS.rollback(context, reservations) if donor_reservations: QUOTAS.rollback(context, donor_reservations, project_id=donor_id) vol_ref = self.db.volume_get(context, volume_id) volume_utils.notify_about_volume_usage(context, vol_ref, "transfer.accept.end") return { 'id': transfer_id, 'display_name': transfer['display_name'], 'volume_id': vol_ref['id'] }