Synnefo

    disk_provider = volume.provider

        ("disk_template", volume.template),

        ("disk_provider", volume.provider),

        ("delete_on_termination", volume.delete_on_termination),

        "server_id": ("machine_id", "The UUID of the server that the volume"

                                    " is currently attached"),

        "source": ("source", "The source of the volume"),

        "status": ("status", "The status of the volume"),

        "disk_template": ("disk_template", "The disk template of the volume")

    fields = ["id", "user.uuid", "status", "source", "disk_template",

              "server_id"]

# Copyright 2013 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from snf_django.management.utils import parse_bool

from synnefo.management.common import convert_api_faults

from synnefo.management import pprint, common

from synnefo.volume import volumes

class Command(BaseCommand):

    help = "Modify a volume"

    args = "<volume ID>"

    option_list = BaseCommand.option_list + (

        make_option(

            '--name',

            dest='name',

            help="Modify a volume's display name"),

        make_option(

            '--description',

            dest='description',

            help="Modify a volume's display description"),

        make_option(

            '--delete-on-termination',

            dest='delete_on_termination',

            default="True",

            choices=["True", "False"],

            metavar="True|False",

            help="Set whether volume will be preserved when the server"

                 " the volume is attached will be deleted"),

    )

    @convert_api_faults

    def handle(self, *args, **options):

        if len(args) != 1:

            raise CommandError("Please provide a volume ID")

        volume = common.get_volume(args[0])

        name = options.get("name")

        description = options.get("description")

        delete_on_termination = options.get("delete_on_termination")

        if delete_on_termination is not None:

            delete_on_termination = parse_bool(delete_on_termination)

        volume = volumes.update(volume, name, description,

                                delete_on_termination)

        pprint.pprint_volume(volume, stdout=self.stdout)

        self.stdout.write('\n\n')

    delete_on_termination = req.get("delete_on_termination")

    if new_name is None and description is None and\

       delete_on_termination is None:

    else:

        volume = volumes.update(volume, new_name, description,

                                delete_on_termination)

        source_type = "blank"

        source_uuid = None

def update(volume, name=None, description=None, delete_on_termination=None):

    if name is not None:

        volume.name = name

    if description is not None:

        volume.description = description

    if delete_on_termination is not None:

        volume.delete_on_termination = delete_on_termination