Python units.Gi方法代码示例

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def _check_and_update_disks(self, context, instance, vm_gen, image_meta,
                                block_device_info, resize_instance=False):
        self._block_dev_man.validate_and_update_bdi(instance, image_meta,
                                                    vm_gen, block_device_info)
        root_device = block_device_info['root_disk']

        if root_device['type'] == constants.DISK:
            root_vhd_path = self._pathutils.lookup_root_vhd_path(instance.name)
            root_device['path'] = root_vhd_path
            if not root_vhd_path:
                base_vhd_path = self._pathutils.get_instance_dir(instance.name)
                raise exception.DiskNotFound(location=base_vhd_path)

            root_vhd_info = self._vhdutils.get_vhd_info(root_vhd_path)
            src_base_disk_path = root_vhd_info.get("ParentPath")
            if src_base_disk_path:
                self._check_base_disk(context, instance, root_vhd_path,
                                      src_base_disk_path)

            if resize_instance:
                new_size = instance.flavor.root_gb * units.Gi
                self._check_resize_vhd(root_vhd_path, root_vhd_info, new_size) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def test_resize_and_cache_vhd_smaller(self, mock_get_vhd_size_gb):
        self.imagecache._vhdutils.get_vhd_size.return_value = {
            'VirtualSize': (self.FAKE_VHD_SIZE_GB + 1) * units.Gi
        }
        mock_get_vhd_size_gb.return_value = self.FAKE_VHD_SIZE_GB
        mock_internal_vhd_size = (
            self.imagecache._vhdutils.get_internal_vhd_size_by_file_size)
        mock_internal_vhd_size.return_value = self.FAKE_VHD_SIZE_GB * units.Gi

        self.assertRaises(exception.FlavorDiskSmallerThanImage,
                          self.imagecache._resize_and_cache_vhd,
                          mock.sentinel.instance,
                          mock.sentinel.vhd_path)

        self.imagecache._vhdutils.get_vhd_size.assert_called_once_with(
            mock.sentinel.vhd_path)
        mock_get_vhd_size_gb.assert_called_once_with(mock.sentinel.instance)
        mock_internal_vhd_size.assert_called_once_with(
            mock.sentinel.vhd_path, self.FAKE_VHD_SIZE_GB * units.Gi) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def test_cache_rescue_image_bigger_than_flavor(self):
        fake_rescue_image_id = 'fake_rescue_image_id'

        self.imagecache._vhdutils.get_vhd_info.return_value = {
            'VirtualSize': (self.instance.flavor.root_gb + 1) * units.Gi}
        (expected_path,
         expected_vhd_path) = self._prepare_get_cached_image(
            rescue_image_id=fake_rescue_image_id)

        self.assertRaises(exception.ImageUnacceptable,
                          self.imagecache.get_cached_image,
                          self.context, self.instance,
                          fake_rescue_image_id)

        self._mock_fetch.assert_called_once_with(
            self.context, fake_rescue_image_id, expected_path,
            self.instance.trusted_certs)
        self.imagecache._vhdutils.get_vhd_info.assert_called_once_with(
            expected_vhd_path) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def test_cinder_get_size(self):
        fake_client = FakeObject(auth_token=None, management_url=None)
        fake_volume_uuid = str(uuid.uuid4())
        fake_volume = FakeObject(size=5, metadata={})
        fake_volumes = {fake_volume_uuid: fake_volume}

        with mock.patch.object(cinder.Store, 'get_cinderclient') as mocked_cc:
            mocked_cc.return_value = FakeObject(client=fake_client,
                                                volumes=fake_volumes)

            uri = 'cinder://%s' % fake_volume_uuid
            loc = location.get_location_from_uri_and_backend(uri,
                                                             "cinder1",
                                                             conf=self.conf)
            image_size = self.store.get_size(loc, context=self.context)
            self.assertEqual(fake_volume.size * units.Gi, image_size) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def get_size(self, location, context=None):
        """
        Takes a `glance_store.location.Location` object that indicates
        where to find the image file and returns the image size

        :param location: `glance_store.location.Location` object, supplied
                        from glance_store.location.get_location_from_uri()
        :raises: `glance_store.exceptions.NotFound` if image does not exist
        :rtype: int
        """

        loc = location.store_location

        try:
            self._check_context(context)
            volume = self.get_cinderclient(context).volumes.get(loc.volume_id)
            return int(volume.metadata.get('image_size',
                                           volume.size * units.Gi))
        except cinder_exception.NotFound:
            raise exceptions.NotFound(image=loc.volume_id)
        except Exception:
            LOG.exception(_LE("Failed to get image size due to "
                              "internal error."))
            return 0 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def _update_share_stats(self):
        """Retrieve stats info from share group."""
        (free_capacity_bytes, physical_capacity_bytes,
         provisioned_capacity_gb) = self._get_available_capacity()

        max_over_subscription_ratio = (
            self.configuration.max_over_subscription_ratio)

        data = dict(
            share_backend_name=self._backend_name,
            vendor_name='INFINIDAT',
            driver_version=self.VERSION,
            storage_protocol='NFS',
            total_capacity_gb=float(physical_capacity_bytes) / units.Gi,
            free_capacity_gb=float(free_capacity_bytes) / units.Gi,
            reserved_percentage=self.configuration.reserved_share_percentage,
            thin_provisioning=self.configuration.infinidat_thin_provision,
            max_over_subscription_ratio=max_over_subscription_ratio,
            provisioned_capacity_gb=provisioned_capacity_gb,
            snapshot_support=True,
            create_share_from_snapshot_support=True,
            mount_snapshot_support=True,
            revert_to_snapshot_support=True)

        super(InfiniboxShareDriver, self)._update_share_stats(data) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def shrink_share(self, share, new_size, share_server=None):
        """Shrink a share to new_size."""
        lcfg = self.configuration
        details = self.zfssa.get_share(lcfg.zfssa_pool,
                                       lcfg.zfssa_project,
                                       share['id'])
        used_space = details['space_data']
        new_size_byte = int(new_size) * units.Gi

        if used_space > new_size_byte:
            LOG.error('%(used).1fGB of share %(id)s is already used. '
                      'Cannot shrink to %(newsize)dGB.',
                      {'used': float(used_space) / units.Gi,
                       'id': share['id'],
                       'newsize': new_size})
            raise exception.ShareShrinkingPossibleDataLoss(
                share_id=share['id'])

        arg = self.create_arg(new_size)
        self.zfssa.modify_share(lcfg.zfssa_pool, lcfg.zfssa_project,
                                share['id'], arg) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def extend_share(self, share, new_size, share_server=None):
        """Extend a share to new_size."""
        lcfg = self.configuration
        free_space = self.zfssa.get_project_stats(lcfg.zfssa_pool,
                                                  lcfg.zfssa_project)

        diff_space = int(new_size - share['size']) * units.Gi

        if diff_space > free_space:
            msg = (_('There is not enough free space in project %s')
                   % (lcfg.zfssa_project))
            LOG.error(msg)
            raise exception.ShareExtendingError(share_id=share['id'],
                                                reason=msg)

        arg = self.create_arg(new_size)
        self.zfssa.modify_share(lcfg.zfssa_pool, lcfg.zfssa_project,
                                share['id'], arg) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def _update_share_stats(self):
        """Retrieve stats info from share volume group."""

        data = dict(
            share_backend_name=self.backend_name,
            vendor_name='IBM',
            storage_protocol='NFS',
            reserved_percentage=self.configuration.reserved_share_percentage)

        free, capacity = self._get_available_capacity(
            self.configuration.gpfs_mount_point_base)

        data['total_capacity_gb'] = math.ceil(capacity / units.Gi)
        data['free_capacity_gb'] = math.ceil(free / units.Gi)

        super(GPFSShareDriver, self)._update_share_stats(data) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def _get_capacities(self):
        result = self.rpc.call('getSystemStatistics', {})

        total = float(result['total_physical_capacity'])
        used = float(result['total_physical_usage'])
        LOG.info('Read capacity of %(cap)s bytes and '
                 'usage of %(use)s bytes from backend. ',
                 {'cap': total, 'use': used})
        free = total - used
        if free < 0:
            free = 0  # no space available
        free_replicated = free / self._get_qb_replication_factor()
        # floor numbers to nine digits (bytes)
        total = math.floor((total / units.Gi) * units.G) / units.G
        free = math.floor((free_replicated / units.Gi) * units.G) / units.G

        return total, free 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def manage_existing_snapshot(self, snapshot, driver_options):
        volume_name = self._get_volume_name(context.get_admin_context(),
                                            snapshot['share'])
        snapshot_path = self._get_snapshot_path(snapshot)
        try:
            snapshot_list = self._maprfs_util.get_snapshot_list(
                volume_name=volume_name)
            snapshot_name = snapshot['provider_location']
            if snapshot_name not in snapshot_list:
                msg = _("Snapshot %s not found") % snapshot_name
                LOG.error(msg)
                raise exception.ManageInvalidShareSnapshot(reason=msg)
            size = math.ceil(float(self._maprfs_util.maprfs_du(
                snapshot_path)) / units.Gi)
            return {'size': size}
        except exception.ProcessExecutionError:
            msg = _("Manage existing share snapshot failed.")
            LOG.exception(msg)
            raise exception.MapRFSException(msg=msg) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def _update_share_stats(self):
        """Retrieves stats info of share directories group."""
        try:
            total, free = self._maprfs_util.fs_capacity()
        except exception.ProcessExecutionError:
            msg = _('Failed to check MapRFS capacity info.')
            LOG.exception(msg)
            raise exception.MapRFSException(msg=msg)
        total_capacity_gb = int(math.ceil(float(total) / units.Gi))
        free_capacity_gb = int(math.floor(float(free) / units.Gi))
        data = {
            'share_backend_name': self.backend_name,
            'storage_protocol': 'MAPRFS',
            'driver_handles_share_servers': self.driver_handles_share_servers,
            'vendor_name': 'MapR Technologies',
            'driver_version': '1.0',
            'total_capacity_gb': total_capacity_gb,
            'free_capacity_gb': free_capacity_gb,
            'snapshot_support': True,
            'create_share_from_snapshot_support': True,
        }

        super(MapRFSNativeShareDriver, self)._update_share_stats(data) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def create_share(self, context, share, share_server):
        """Is called to create share."""
        if share['share_proto'] == 'NFS':
            location = self._create_nfs_share(share)
        elif share['share_proto'] == 'CIFS':
            location = self._create_cifs_share(share)
        else:
            message = (_('Unsupported share protocol: %(proto)s.') %
                       {'proto': share['share_proto']})
            LOG.error(message)
            raise exception.InvalidShare(reason=message)

        # apply directory quota based on share size
        max_share_size = share['size'] * units.Gi
        self._isilon_api.quota_create(
            self._get_container_path(share), 'directory', max_share_size)

        return location 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def extend_share(self, share, new_size, share_server=None):
        LOG.debug("Extending share in HSP: %(shr_id)s.",
                  {'shr_id': share['id']})

        old_size = share['size']
        hsp_cluster = self.hsp.get_cluster()
        free_space = hsp_cluster['properties']['total-storage-available']
        free_space = free_space / units.Gi

        if (new_size - old_size) < free_space:
            filesystem_id = self.hsp.get_file_system(share['id'])['id']
            self.hsp.resize_file_system(filesystem_id, new_size * units.Gi)
        else:
            msg = (_("Share %s cannot be extended due to insufficient space.")
                   % share['id'])
            raise exception.HSPBackendException(msg=msg)

        LOG.info("Share %(shr_id)s successfully extended to "
                 "%(shr_size)sG.",
                 {'shr_id': share['id'],
                  'shr_size': new_size}) 

# 需要导入模块: from oslo_utils import units [as 别名]
# 或者: from oslo_utils.units import Gi [as 别名]
def shrink_share(self, share, new_size, share_server=None):
        LOG.debug("Shrinking share in HSP: %(shr_id)s.",
                  {'shr_id': share['id']})

        file_system = self.hsp.get_file_system(share['id'])
        usage = file_system['properties']['used-capacity'] / units.Gi

        LOG.debug("Usage for share %(shr_id)s in HSP: %(usage)sG.",
                  {'shr_id': share['id'], 'usage': usage})

        if new_size > usage:
            self.hsp.resize_file_system(file_system['id'], new_size * units.Gi)
        else:
            raise exception.ShareShrinkingPossibleDataLoss(
                share_id=share['id'])

        LOG.info("Share %(shr_id)s successfully shrunk to "
                 "%(shr_size)sG.",
                 {'shr_id': share['id'],
                  'shr_size': new_size})