Synnefo

# Copyright 2012 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.

import os

from optparse import make_option

from collections import namedtuple

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

from astakos.im.models import AstakosUser

AddResourceArgs = namedtuple('AddQuotaArgs', ('resource',

                                              'quantity',

                                              'capacity',

                                              'import_limit',

                                              'export_limit'))

class Command(BaseCommand):

    help = "Import account quota policies"

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

        if len(args) != 1:

            raise CommandError('Invalid number of arguments')

        location = os.path.abspath(args[0])

        try:

            f = open(location, 'r')

        except IOError, e:

            raise CommandError(e)

        for line in f.readlines():

            try:

                t = line.rstrip('\n').split(' ')

                user = t[0]

                args = AddResourceArgs(*t[1:])

            except(IndexError, TypeError):

                self.stdout.write('Invalid line format: %s:\n' % t)

                continue

            else:

                try:

                    user = AstakosUser.objects.get(uuid=user)

                except AstakosUser.DoesNotExist:

                    self.stdout.write('Not found user having uuid: %s\n' % user)

                    continue

                else:

                    try:

                        user.add_resource_policy(*args)

                    except Exception, e:

                        self.stdout.write('Failed to policy: %s\n' % e)

                        continue

            finally:

                f.close()