コード例 #1
0
ファイル: api.py プロジェクト: wangxiyuan/cinder
    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']
        }
コード例 #2
0
ファイル: api.py プロジェクト: jjacob512/cinder-1
    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']
        }
コード例 #3
0
    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']
        }
コード例 #4
0
    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']
        }