Synnefo

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from optparse import make_option

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

from synnefo.db.models import VirtualMachine

class Command(BaseCommand):

    args = "<server ID>"

    help = "Modify a server"

    option_list = BaseCommand.option_list + (

        make_option('--name',

            dest='name',

            metavar='NAME',

            help="Set server's name"),

        make_option('--owner',

            dest='owner',

            metavar='USER_ID',

            help="Set server's owner"),

        make_option('--state',

            dest='state',

            metavar='STATE',

            help="Set server's state"),

        make_option('--set-deleted',

            action='store_true',

            dest='deleted',

            help="Mark a server as deleted"),

        make_option('--set-undeleted',

            action='store_true',

            dest='undeleted',

            help="Mark a server as not deleted"),

        make_option('--set-suspended',

            action='store_true',

            dest='suspended',

            help="Mark a server as suspended"),

        make_option('--set-unsuspended',

            action='store_true',

            dest='unsuspended',

            help="Mark a server as not suspended")

        )

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

        if len(args) != 1:

            raise CommandError("Please provide a server ID")

        try:

            server_id = int(args[0])

            server = VirtualMachine.objects.get(id=server_id)

        except (ValueError, VirtualMachine.DoesNotExist):

            raise CommandError("Invalid server ID")

        name = options.get('name')

        if name is not None:

            server.name = name

        owner = options.get('owner')

        if owner is not None:

            server.userid = owner

        state = options.get('state')

        if state is not None:

            allowed = [x[0] for x in VirtualMachine.OPER_STATES]

            if state not in allowed:

                msg = "Invalid state, must be one of %s" % ', '.join(allowed)

                raise CommandError(msg)

            server.operstate = state

        if options.get('deleted'):

            server.deleted = True

        elif options.get('undeleted'):

            server.deleted = False

        if options.get('suspended'):

            server.suspended = True

        elif options.get('unsuspended'):

            server.suspended = False

        server.save()