code.grnet.gr Git - pithos/blob - snf-pithos-app/pithos/api/management/commands/storagequota.py

   1 # Copyright 2012 GRNET S.A. All rights reserved.
   2 #
   3 # Redistribution and use in source and binary forms, with or
   4 # without modification, are permitted provided that the following
   5 # conditions are met:
   6 #
   7 #   1. Redistributions of source code must retain the above
   8 #      copyright notice, this list of conditions and the following
   9 #      disclaimer.
  10 #
  11 #   2. Redistributions in binary form must reproduce the above
  12 #      copyright notice, this list of conditions and the following
  13 #      disclaimer in the documentation and/or other materials
  14 #      provided with the distribution.
  15 #
  16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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  25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27 # POSSIBILITY OF SUCH DAMAGE.
  28 #
  29 # The views and conclusions contained in the software and
  30 # documentation are those of the authors and should not be
  31 # interpreted as representing official policies, either expressed
  32 # or implied, of GRNET S.A.
  33
  34 from optparse import make_option
  35
  36 from django.core.management.base import BaseCommand, CommandError
  37
  38 from pithos.api.settings import (BACKEND_DB_MODULE, BACKEND_DB_CONNECTION,
  39                                     BACKEND_BLOCK_MODULE, BACKEND_BLOCK_PATH,
  40                                     BACKEND_QUEUE_MODULE, BACKEND_QUEUE_CONNECTION,
  41                                     BACKEND_QUOTA, BACKEND_VERSIONING)
  42 from pithos.backends import connect_backend
  43
  44
  45 class Command(BaseCommand):
  46     args = "<user>"
  47     help = "Get/set a user's quota"
  48
  49     option_list = BaseCommand.option_list + (
  50         make_option('--set-quota',
  51             dest='quota',
  52             metavar='BYTES',
  53             help="Set user's quota"),
  54         )
  55
  56     def handle(self, *args, **options):
  57         if len(args) != 1:
  58             raise CommandError("Please provide a user")
  59
  60         user = args[0]
  61         quota = options.get('quota')
  62         if quota is not None:
  63             try:
  64                 quota = int(quota)
  65             except ValueError:
  66                 raise CommandError("Invalid quota")
  67
  68         backend = connect_backend(db_module=BACKEND_DB_MODULE,
  69                                   db_connection=BACKEND_DB_CONNECTION,
  70                                   block_module=BACKEND_BLOCK_MODULE,
  71                                   block_path=BACKEND_BLOCK_PATH,
  72                                   queue_module=BACKEND_QUEUE_MODULE,
  73                                   queue_connection=BACKEND_QUEUE_CONNECTION)
  74         backend.default_policy['quota'] = BACKEND_QUOTA
  75         backend.default_policy['versioning'] = BACKEND_VERSIONING
  76         if quota is not None:
  77             backend.update_account_policy(user, user, {'quota': quota})
  78         else:
  79             self.stdout.write("Quota for %s: %s\n" % (user, backend.get_account_policy(user, user)['quota']))
  80         backend.close()