Synnefo

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from optparse import make_option

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

from astakos.im.models import Component

class Command(BaseCommand):

    args = "<component ID or name>"

    help = "Modify component attributes"

    option_list = BaseCommand.option_list + (

        make_option('--url',

                    dest='url',

                    default=None,

                    help="Set component url"),

        make_option('--auth-token',

                    dest='auth_token',

                    default=None,

                    help="Set a custom component auth token"),

        make_option('--renew-token',

                    action='store_true',

                    dest='renew_token',

                    default=False,

                    help="Renew component auth token"),

        make_option('--purge-services',

                    action='store_true',

                    dest='purge_services',

                    default=False,

                    help="Purge all services registered for this component"),

    )

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

        if len(args) != 1:

            raise CommandError("Please provide a component ID or name")

        ident = args[0]

        try:

            try:

                ident = int(ident)

                component = Component.objects.get(id=ident)

            except ValueError:

                component = Component.objects.get(name=ident)

        except Component.DoesNotExist:

            raise CommandError(

                "Component does not exist. You may run snf-manage "

                "component-list for available component IDs.")

        url = options.get('url')

        auth_token = options.get('auth_token')

        renew_token = options.get('renew_token')

        purge_services = options.get('purge_services')

        if not any([url, auth_token, renew_token, purge_services]):

            raise CommandError("No option specified.")

        if url:

            component.url = url

        if auth_token:

            component.auth_token = auth_token

        if renew_token and not auth_token:

            component.renew_token()

        component.save()

        if purge_services:

            component.service_set.all().delete()

        if renew_token:

            self.stdout.write(

                'Component\'s new token: %s\n' % component.auth_token

            )