root / snf-astakos-app / astakos / im / management / commands / resource-import.py @ 3a527b3a
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# Copyright 2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from optparse import make_option |
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from django.core.management.base import BaseCommand, CommandError |
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from django.db.utils import IntegrityError |
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from django.utils import simplejson as json |
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from snf_django.lib.db.transaction import commit_on_success_strict |
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from astakos.im.resources import add_resource |
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from astakos.im.models import Service |
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class Command(BaseCommand): |
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args = "<service> <resource> <desc> <unit>"
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help = "Import resources"
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option_list = BaseCommand.option_list + ( |
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make_option('--json',
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dest='json',
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metavar='<json.file>',
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help="Load resource info from a json file"),
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make_option('--service',
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dest='service_id',
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metavar='<service_id>',
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help=("Automatically load resource info for a given "
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"service")),
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make_option('--conf',
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dest='conf',
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metavar='<conf.json>',
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help="Limit configuration file"),
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) |
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def handle(self, *args, **options): |
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config = {} |
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conf_file = options['conf']
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if conf_file is not None: |
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with open(conf_file) as file_data: |
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config = json.load(file_data) |
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json_file = options['json']
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service_id = options['service_id']
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if bool(json_file) == bool(service_id): |
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m = "Please provide either --service or --json option."
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raise CommandError(m)
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if service_id:
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raise NotImplementedError() |
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if json_file:
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with open(json_file) as file_data: |
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m = ('Input should be a JSON dict containing "service" '
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'and "resource" keys.')
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try:
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data = json.load(file_data) |
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except json.JSONDecodeError:
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raise CommandError(m)
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if not isinstance(data, dict): |
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raise CommandError(m)
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else:
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try:
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service = data['service']
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resources = data['resources']
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except KeyError: |
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raise CommandError(m)
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self.add_resources(service, resources)
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@commit_on_success_strict()
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def add_resources(self, service, resources): |
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try:
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s = Service.objects.get(name=service) |
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except Service.DoesNotExist:
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raise CommandError("Service '%s' is not registered." % (service)) |
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for resource in resources: |
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if not isinstance(resource, dict): |
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raise CommandError("Malformed resource dict.") |
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exists = add_resource(s, resource) |
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name = resource['name']
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if exists:
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m = "Resource '%s' updated in database.\n" % (name)
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else:
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m = ("Resource '%s' created in database with default "
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"quota limit 0.\n" % (name))
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self.stdout.write(m)
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