Exemplo n.º 1
0
    def test_ignore_exception(self):
        class IgnoredException(Exception):
            pass

        def f():
            raise IgnoredException('any exception')

        try:
            utils.ignore_exception(f)
        except IgnoredException:
            self.fail('should not raise any exception.')
Exemplo n.º 2
0
    def test_ignore_exception(self):
        class IgnoredException(Exception):
            pass

        def f():
            raise IgnoredException('any exception')

        try:
            utils.ignore_exception(f)
        except IgnoredException:
            self.fail('should not raise any exception.')
Exemplo n.º 3
0
    def _dd_copy(self, vol_params, src_snap, src_lun=None):
        """Creates a volume via copying a Unity snapshot.

        It attaches the `volume` and `snap`, then use `dd` to copy the
        data from the Unity snapshot to the `volume`.
        """
        dest_lun = self.client.create_lun(
            name=vol_params.name,
            size=vol_params.size,
            pool=vol_params.pool,
            description=vol_params.description,
            io_limit_policy=vol_params.io_limit_policy,
            is_thin=False if vol_params.is_thick else None,
            is_compressed=vol_params.is_compressed)
        src_id = src_snap.get_id()
        try:
            conn_props = cinder_utils.brick_get_connector_properties()

            with self._connect_resource(dest_lun, conn_props,
                                        vol_params.volume_id) as dest_info, \
                    self._connect_resource(src_snap, conn_props,
                                           src_id) as src_info:
                if src_lun is None:
                    # If size is not specified, need to get the size from LUN
                    # of snapshot.
                    lun = self.client.get_lun(
                        lun_id=src_snap.storage_resource.get_id())
                    size_in_m = utils.byte_to_mib(lun.size_total)
                else:
                    size_in_m = utils.byte_to_mib(src_lun.size_total)
                vol_utils.copy_volume(
                    src_info['device']['path'],
                    dest_info['device']['path'],
                    size_in_m,
                    self.driver.configuration.volume_dd_blocksize,
                    sparse=True)
        except Exception:
            with excutils.save_and_reraise_exception():
                utils.ignore_exception(self.client.delete_lun,
                                       dest_lun.get_id())
                LOG.error(
                    'Failed to create cloned volume: %(vol_id)s, '
                    'from source unity snapshot: %(snap_name)s.', {
                        'vol_id': vol_params.volume_id,
                        'snap_name': src_snap.name
                    })

        return dest_lun
Exemplo n.º 4
0
    def _dd_copy(self, vol_params, src_snap, src_lun=None):
        """Creates a volume via copying a Unity snapshot.

        It attaches the `volume` and `snap`, then use `dd` to copy the
        data from the Unity snapshot to the `volume`.
        """
        dest_lun = self.client.create_lun(
            name=vol_params.name, size=vol_params.size, pool=vol_params.pool,
            description=vol_params.description,
            io_limit_policy=vol_params.io_limit_policy)
        src_id = src_snap.get_id()
        try:
            conn_props = cinder_utils.brick_get_connector_properties()

            with self._connect_resource(dest_lun, conn_props,
                                        vol_params.volume_id) as dest_info, \
                    self._connect_resource(src_snap, conn_props,
                                           src_id) as src_info:
                if src_lun is None:
                    # If size is not specified, need to get the size from LUN
                    # of snapshot.
                    lun = self.client.get_lun(
                        lun_id=src_snap.storage_resource.get_id())
                    size_in_m = utils.byte_to_mib(lun.size_total)
                else:
                    size_in_m = utils.byte_to_mib(src_lun.size_total)
                vol_utils.copy_volume(
                    src_info['device']['path'],
                    dest_info['device']['path'],
                    size_in_m,
                    self.driver.configuration.volume_dd_blocksize,
                    sparse=True)
        except Exception:
            with excutils.save_and_reraise_exception():
                utils.ignore_exception(self.client.delete_lun,
                                       dest_lun.get_id())
                LOG.error('Failed to create cloned volume: %(vol_id)s, '
                          'from source unity snapshot: %(snap_name)s.',
                          {'vol_id': vol_params.volume_id,
                           'snap_name': src_snap.name})

        return dest_lun
Exemplo n.º 5
0
    def _create_volume_from_snap(self, volume, snap, size_in_m=None):
        """Creates a volume from a Unity snapshot.

        It attaches the `volume` and `snap`, then use `dd` to copy the
        data from the Unity snapshot to the `volume`.
        """
        model_update = self.create_volume(volume)
        # Update `provider_location` and `provider_id` of `volume` explicitly.
        volume.update(model_update)
        src_id = snap.get_id()
        dest_lun = self.client.get_lun(lun_id=self.get_lun_id(volume))
        try:
            conn_props = cinder_utils.brick_get_connector_properties()

            with self._connect_resource(dest_lun, conn_props,
                                        volume.id) as dest_info, \
                    self._connect_resource(snap, conn_props,
                                           src_id) as src_info:
                if size_in_m is None:
                    # If size is not specified, need to get the size from LUN
                    # of snapshot.
                    lun = self.client.get_lun(
                        lun_id=snap.storage_resource.get_id())
                    size_in_m = utils.byte_to_mib(lun.size_total)
                vol_utils.copy_volume(
                    src_info['device']['path'],
                    dest_info['device']['path'],
                    size_in_m,
                    self.driver.configuration.volume_dd_blocksize,
                    sparse=True)
        except Exception:
            with excutils.save_and_reraise_exception():
                utils.ignore_exception(self.delete_volume, volume)
                LOG.error(
                    'Failed to create cloned volume: %(vol_id)s, '
                    'from source unity snapshot: %(snap_name)s.', {
                        'vol_id': volume.id,
                        'snap_name': snap.name
                    })

        return model_update
Exemplo n.º 6
0
    def _create_volume_from_snap(self, volume, snap, size_in_m=None):
        """Creates a volume from a Unity snapshot.

        It attaches the `volume` and `snap`, then use `dd` to copy the
        data from the Unity snapshot to the `volume`.
        """
        model_update = self.create_volume(volume)
        volume.provider_location = model_update['provider_location']
        src_id = snap.get_id()
        dest_lun = self.client.get_lun(lun_id=self.get_lun_id(volume))
        try:
            conn_props = cinder_utils.brick_get_connector_properties()

            with self._connect_resource(dest_lun, conn_props,
                                        volume.id) as dest_info, \
                    self._connect_resource(snap, conn_props,
                                           src_id) as src_info:
                if size_in_m is None:
                    # If size is not specified, need to get the size from LUN
                    # of snapshot.
                    lun = self.client.get_lun(
                        lun_id=snap.storage_resource.get_id())
                    size_in_m = utils.byte_to_mib(lun.size_total)
                vol_utils.copy_volume(
                    src_info['device']['path'],
                    dest_info['device']['path'],
                    size_in_m,
                    self.driver.configuration.volume_dd_blocksize,
                    sparse=True)
        except Exception:
            with excutils.save_and_reraise_exception():
                utils.ignore_exception(self.delete_volume, volume)
                LOG.error(_LE('Failed to create cloned volume: %(vol_id)s, '
                              'from source unity snapshot: %(snap_name)s. '),
                          {'vol_id': volume.id, 'snap_name': snap.name})

        return model_update