root / snf-astakos-app / astakos / im / management / commands / service-import.py @ fb9d96e9
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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.db import transaction |
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from django.core.management.base import BaseCommand, CommandError |
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from django.utils import simplejson as json |
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from astakos.im.register import add_service, add_resource, RegisterException |
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from astakos.im.models import Component |
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from ._common import read_from_file |
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class Command(BaseCommand): |
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help = "Register services"
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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 service definitions from a json file"),
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) |
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@transaction.commit_on_success
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def handle(self, *args, **options): |
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json_file = options['json']
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if not json_file: |
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m = "Expecting option --json."
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raise CommandError(m)
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else:
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data = read_from_file(json_file) |
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m = ('Input should be a JSON dict mapping service names '
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'to definitions.')
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try:
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data = json.loads(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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self.add_services(data)
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def add_services(self, data): |
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write = self.stdout.write
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output = [] |
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for name, service_dict in data.iteritems(): |
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try:
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component_name = service_dict['component']
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service_type = service_dict['type']
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endpoints = service_dict['endpoints']
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except KeyError: |
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raise CommandError('Malformed service definition.') |
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try:
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component = Component.objects.get(name=component_name) |
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except Component.DoesNotExist:
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m = "Component '%s' is not registered." % component_name
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raise CommandError(m)
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try:
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existed = add_service(component, name, service_type, endpoints, |
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out=self.stdout)
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except RegisterException as e: |
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raise CommandError(e.message)
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m = "%s service %s.\n" % ("Updated" if existed else "Added", name) |
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output.append(m) |
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resources = service_dict.get('resources', {}).values()
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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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service_origin = resource.get('service_origin')
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if name != service_origin:
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raise CommandError("service_origin mismatch.") |
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try:
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r, exists = add_resource(resource) |
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except RegisterException as e: |
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raise CommandError(e.message)
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if exists:
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m = "Resource '%s' updated in database.\n" % (r.name)
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else:
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m = ("Resource '%s' created in database with unlimited "
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"quota.\n" % (r.name))
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output.append(m) |
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for line in output: |
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write(line) |