Synnefo

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from optparse import make_option

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

from snf_django.management.utils import parse_bool

from synnefo.management import common, pprint

from synnefo.volume import volumes

HELP_MSG = """Create a new volume."""

class Command(BaseCommand):

    help = HELP_MSG

    option_list = BaseCommand.option_list + (

        make_option(

            "--name",

            dest="name",

            default=None,

            help="Display name of the volume."),

        make_option(

            "--description",

            dest="description",

            default=None,

            help="Display description of the volume."),

        make_option(

            "--owner",

            dest="user_id",

            default=None,

            help="UUID of the owner of the volume."),

        make_option(

            "-s", "--size",

            dest="size",

            default=None,

            help="Size of the new volume in GB"),

        make_option(

            "--server",

            dest="server_id",

            default=None,

            help="The ID of the server that the volume will be connected to."),

        make_option(

            "--wait",

            dest="wait",

            default="True",

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

            metavar="True|False",

            help="Wait for Ganeti jobs to complete."),

    )

    @common.convert_api_faults

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

        if args:

            raise CommandError("Command doesn't accept any arguments")

        size = options.get("size")

        user_id = options.get("user_id")

        server_id = options.get("server_id")

        wait = parse_bool(options["wait"])

        display_name = options.get("name", "")

        display_description = options.get("description", "")

        if size is None:

            raise CommandError("Please specify the size of the volume")

        if server_id is None:

            raise CommandError("Please specify the server to attach the"

                               " volume.")

        vm = common.get_vm(server_id)

        if user_id is None:

            user_id = vm.userid

        source_image_id = source_volume_id = source_snapshot_id = None

        volume = volumes.create(user_id, size, server_id,

                                name=display_name,

                                description=display_description,

                                source_image_id=source_image_id,

                                source_snapshot_id=source_snapshot_id,

                                source_volume_id=source_volume_id,

                                metadata={})

        self.stdout.write("Created volume '%s' in DB:\n" % volume.id)

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

        self.stdout.write("\n")

        if volume.machine is not None:

            volume.machine.task_job_id = volume.backendjobid

            common.wait_server_task(volume.machine, wait, stdout=self.stdout)