Revision 0baa1e3d snf-cyclades-app/synnefo/api/networks.py
| b/snf-cyclades-app/synnefo/api/networks.py | ||
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# Copyright 2011-2013 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 django.conf import settings |
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from django.conf.urls import patterns |
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from django.db.models import Q |
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from django.http import HttpResponse |
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from django.template.loader import render_to_string |
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from django.utils import simplejson as json |
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from django.db import transaction |
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from django.db.models import Q |
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from synnefo.db.pools import EmptyPool |
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from synnefo.db.utils import validate_mac |
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from django.conf import settings |
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from snf_django.lib import api |
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from snf_django.lib.api import faults, utils |
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from snf_django.lib.api import utils |
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from synnefo.logic import backend |
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from django.template.loader import render_to_string |
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from synnefo.api import util |
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from synnefo.api.servers import network_actions |
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from synnefo.db.models import Network |
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from synnefo.logic import networks |
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from logging import getLogger |
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from synnefo import quotas |
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log = getLogger(__name__) |
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urlpatterns = patterns( |
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'synnefo.api.networks', |
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(r'^(?:/|.json|.xml)?$', 'demux'), |
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(r'^/detail(?:.json|.xml)?$', 'list_networks', {'detail': True}),
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(r'^/(\w+)(?:.json|.xml)?$', 'network_demux'), |
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(r'^/(\w+)/action(?:.json|.xml)?$', 'demux_network_action'), |
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) |
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(r'^(?:/|.json|.xml)?$', 'demux'), |
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(r'^/(\w+)(?:/|.json|.xml)?$', 'network_demux')) |
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def demux(request): |
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if request.method == 'GET': |
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#return HttpResponse("in network get")
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return list_networks(request) |
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elif request.method == 'POST': |
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return create_network(request) |
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#return HttpResponse("in network post")
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else: |
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return api.api_method_not_allowed(request) |
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def network_demux(request, network_id): |
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def network_demux(request, offset): |
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if request.method == 'GET': |
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return get_network_details(request, network_id) |
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elif request.method == 'PUT': |
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return update_network_name(request, network_id) |
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return get_network(request, offset) |
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#return HttpResponse("in network det get")
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elif request.method == 'DELETE': |
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return delete_network(request, network_id) |
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return delete_network(request, offset) |
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#return HttpResponse("in network det delete")
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elif request.method == 'PUT': |
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return update_network(request, offset) |
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#return HttpResponse("in network det put")
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else: |
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return api.api_method_not_allowed(request) |
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def network_to_dict(network, user_id, detail=True): |
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d = {'id': str(network.id), 'name': network.name}
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d['links'] = util.network_to_links(network.id) |
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if detail: |
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d['user_id'] = network.userid |
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d['tenant_id'] = network.userid |
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d['cidr'] = network.subnet |
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d['cidr6'] = network.subnet6 |
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d['gateway'] = network.gateway |
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d['gateway6'] = network.gateway6 |
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d['dhcp'] = network.dhcp |
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d['type'] = network.flavor |
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d['updated'] = utils.isoformat(network.updated) |
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d['created'] = utils.isoformat(network.created) |
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d['status'] = network.state |
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d['public'] = network.public |
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attachments = [nic.id |
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for nic in network.nics.filter(machine__userid=user_id) |
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.filter(state="ACTIVE") |
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.order_by('machine')]
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d['attachments'] = attachments |
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return d |
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def render_network(request, networkdict, status=200): |
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if request.serialization == 'xml': |
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data = render_to_string('network.xml', {'network': networkdict})
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else: |
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data = json.dumps({'network': networkdict})
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return HttpResponse(data, status=status) |
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@api.api_method(http_method='GET', user_required=True, logger=log) |
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def list_networks(request, detail=False): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
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# serviceUnavailable (503), |
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# unauthorized (401), |
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# badRequest (400), |
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# overLimit (413) |
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log.debug('list_networks detail=%s', detail)
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user_networks = Network.objects.filter(Q(userid=request.user_uniq) | |
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Q(public=True)) |
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user_networks = Network.objects.filter( |
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Q(userid=request.user_uniq) | Q(public=True)) |
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user_networks = utils.filter_modified_since(request, objects=user_networks) |
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networks_dict = [network_to_dict(network, request.user_uniq, detail)
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for network in user_networks.order_by('id')]
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networks = [network_to_dict(network, detail)
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for network in user_networks.order_by('id')]
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if request.serialization == 'xml': |
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data = render_to_string('list_networks.xml', {
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'networks': networks_dict, |
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'detail': detail}) |
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"networks": networks}) |
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else: |
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data = json.dumps({'networks': networks_dict})
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data = json.dumps({'networks': networks})
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return HttpResponse(data, status=200) |
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@api.api_method(http_method='POST', user_required=True, logger=log) |
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@transaction.commit_manually |
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def create_network(request): |
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# Normal Response Code: 202 |
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# Error Response Codes: computeFault (400, 500), |
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# serviceUnavailable (503), |
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# unauthorized (401), |
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# badMediaType(415), |
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# badRequest (400), |
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# forbidden (403) |
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# overLimit (413) |
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req = utils.get_request_dict(request) |
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log.info('create_network %s', req)
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user_id = request.user_uniq |
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try: |
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d = req['network'] |
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name = d['name'] |
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except KeyError: |
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raise faults.BadRequest("Malformed request")
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# Get and validate flavor. Flavors are still exposed as 'type' in the |
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# API. |
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flavor = d.get("type", None)
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if flavor is None: |
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raise faults.BadRequest("Missing request parameter 'type'")
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elif flavor not in Network.FLAVORS.keys(): |
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raise faults.BadRequest("Invalid network type '%s'" % flavor)
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elif flavor not in settings.API_ENABLED_NETWORK_FLAVORS: |
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raise faults.Forbidden("Can not create network of type '%s'" %
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flavor) |
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public = d.get("public", False)
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if public: |
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raise faults.Forbidden("Can not create a public network.")
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dhcp = d.get('dhcp', True)
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# Get and validate network parameters |
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subnet = d.get('cidr', '192.168.1.0/24')
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subnet6 = d.get('cidr6', None)
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gateway = d.get('gateway', None)
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gateway6 = d.get('gateway6', None)
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network = networks.create(user_id=user_id, name=name, flavor=flavor, |
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subnet=subnet, gateway=gateway, subnet6=subnet6, |
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gateway6=gateway6, dhcp=dhcp, public=False) |
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networkdict = network_to_dict(network, request.user_uniq) |
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response = render_network(request, networkdict, status=202) |
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user_id = request.user_uniq |
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req = utils.get_request_dict(request) |
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log.info('create_network %s', req)
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try: |
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d = req['network'] |
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except KeyError: |
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raise api.faults.BadRequest("Malformed request")
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try: |
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flavor = d['type'] |
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except KeyError: |
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raise faults.BadRequest("Missing request parameter 'type'")
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|
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if flavor not in Network.FLAVORS.keys(): |
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raise api.faults.BadRequest("Invalid network type '%s'"
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% flavor) |
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if flavor not in settings.API_ENABLED_NETWORK_FLAVORS: |
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msg = "Can not create network of type '%s'" |
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raise api.faults.Forbidden(msg % flavor) |
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|
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try: |
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name = d['name'] |
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except KeyError: |
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name = "" |
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|
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try: |
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#mode, link, mac_prefix, tags = util.values_from_flavor(flavor) |
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|
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#validate_mac(mac_prefix + "0:00:00:00") |
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network = Network.objects.create( |
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name=name, |
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userid=user_id, |
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flavor=flavor, |
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#mode=mode, |
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#link=link, |
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#mac_prefix=mac_prefix, |
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#tags=tags, |
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action='CREATE', |
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state='ACTIVE') |
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except EmptyPool: |
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msg = "Failed to allocate resources for network of type: %s" |
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log.error(msg, flavor) |
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raise api.faults.ServiceUnavailable("Failed to allocate network\
|
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resources") |
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|
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# Issue commission to Quotaholder and accept it since at the end of |
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# this transaction the Network object will be created in the DB. |
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# Note: the following call does a commit! |
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#quotas.issue_and_accept_commission(network) |
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# COME BACK.... |
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|
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except: |
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transaction.rollback() |
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log.info("roll")
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raise |
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else: |
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transaction.commit() |
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log.info("commit")
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networkdict = network_to_dict(network) |
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response = render_network(request, networkdict, status=201) |
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| 190 | 140 |
|
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return response |
| 192 | 142 |
|
| 193 | 143 |
|
| 194 | 144 |
@api.api_method(http_method='GET', user_required=True, logger=log) |
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def get_network_details(request, network_id): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
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# serviceUnavailable (503), |
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# unauthorized (401), |
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# badRequest (400), |
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# itemNotFound (404), |
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# overLimit (413) |
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|
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def get_network(request, network_id): |
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| 204 | 146 |
log.debug('get_network_details %s', network_id)
|
| 205 | 147 |
net = util.get_network(network_id, request.user_uniq) |
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netdict = network_to_dict(net, request.user_uniq) |
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return render_network(request, netdict) |
|
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|
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| 209 | 148 |
|
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@api.api_method(http_method='PUT', user_required=True, logger=log) |
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def update_network_name(request, network_id): |
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# Normal Response Code: 204 |
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# Error Response Codes: computeFault (400, 500), |
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# serviceUnavailable (503), |
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# unauthorized (401), |
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# badRequest (400), |
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# forbidden (403) |
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# badMediaType(415), |
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# itemNotFound (404), |
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# overLimit (413) |
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|
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req = utils.get_request_dict(request) |
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log.info('update_network_name %s', network_id)
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|
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try: |
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name = req['network']['name'] |
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except (TypeError, KeyError): |
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raise faults.BadRequest('Malformed request.')
|
|
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|
|
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network = util.get_network(network_id, request.user_uniq) |
|
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if network.public: |
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raise faults.Forbidden('Can not rename the public network.')
|
|
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network = networks.rename(network, name) |
|
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return HttpResponse(status=204) |
|
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#needs discussion |
|
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if net.deleted: |
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raise api.faults.BadRequest("Network has been deleted.")
|
|
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else: |
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netdict = network_to_dict(net) |
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return render_network(request, netdict) |
|
| 235 | 155 |
|
| 236 | 156 |
|
| 237 | 157 |
@api.api_method(http_method='DELETE', user_required=True, logger=log) |
| 158 |
@transaction.commit_on_success |
|
| 238 | 159 |
def delete_network(request, network_id): |
| 239 |
# Normal Response Code: 204 |
|
| 240 |
# Error Response Codes: computeFault (400, 500), |
|
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# serviceUnavailable (503), |
|
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# unauthorized (401), |
|
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# forbidden (403) |
|
| 244 |
# itemNotFound (404), |
|
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# overLimit (413) |
|
| 246 |
|
|
| 247 | 160 |
log.info('delete_network %s', network_id)
|
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network = util.get_network(network_id, request.user_uniq, for_update=True) |
|
| 249 |
if network.public: |
|
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raise faults.Forbidden('Can not delete the public network.')
|
|
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networks.delete(network) |
|
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net = util.get_network(network_id, request.user_uniq, for_update=True) |
|
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|
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log.info(net.name) |
|
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if net.public: |
|
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raise api.faults.Forbidden('Can not delete the public network.')
|
|
| 166 |
|
|
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if net.deleted: |
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raise api.faults.BadRequest("Network has been deleted.")
|
|
| 169 |
|
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| 170 |
if net.machines.all(): # Nics attached on network |
|
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#raise api.faults.NetworkInUse('Machines are connected to network.')
|
|
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#edit to return with 409 |
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return HttpResponse("Network in use", status=409)
|
|
| 174 |
|
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| 175 |
#check if there are any floating ips reserved |
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#if net.floating_ips.all(): |
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# #raise api.faults.NetworkInUse('Machines are connected to network.')
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# #edit to return with 409 |
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# return HttpResponse("Network in use", status=409)
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| 180 |
|
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net.action = 'DESTROY' |
|
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''' |
|
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skip the backend part... |
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backend_networks = net.backend_networks.exclude(operstate="DELETED") |
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for bnet in backend_networks: |
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backend.delete_network(net, bnet.backend) |
|
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if not backend_networks: |
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backend.update_network_state(net) |
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''' |
|
| 190 |
|
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#delete all the subnets |
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|
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for s in net.subnets.all(): |
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s.deleted = True |
|
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|
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#the following has to leave when fix the backend thing |
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net.deleted = True |
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net.save() |
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|
|
| 252 | 200 |
return HttpResponse(status=204) |
| 253 | 201 |
|
| 254 | 202 |
|
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def key_to_action(action): |
|
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return action.upper() |
|
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@api.api_method(http_method='PUT', user_required=True, logger=log) |
|
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def update_network(request, network_id): |
|
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''' |
|
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You can update only name |
|
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''' |
|
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net = util.get_network(network_id, request.user_uniq, for_update=True) |
|
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info = utils.get_request_dict(request) |
|
| 210 |
|
|
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updatable = set(["name"]) |
|
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try: |
|
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new_vals = info["network"] |
|
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except KeyError: |
|
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raise api.faults.BadRequest("Malformed request")
|
|
| 257 | 216 |
|
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for key, val in new_vals.iteritems(): |
|
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if key in updatable: |
|
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setattr(net, key, val) |
|
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else: |
|
| 221 |
raise api.faults.BadRequest("Wrong field update")
|
|
| 222 |
net.save() |
|
| 223 |
netdict = network_to_dict(net) |
|
| 224 |
return render_network(request, netdict, 200) |
|
| 258 | 225 |
|
| 259 |
@api.api_method(http_method='POST', user_required=True, logger=log) |
|
| 260 |
def demux_network_action(request, network_id): |
|
| 261 |
req = utils.get_request_dict(request) |
|
| 262 |
log.debug('network_action %s %s', network_id, req)
|
|
| 263 |
if len(req) != 1: |
|
| 264 |
raise faults.BadRequest('Malformed request.')
|
|
| 265 | 226 |
|
| 266 |
net = util.get_network(network_id, request.user_uniq) |
|
| 267 |
if net.public: |
|
| 268 |
raise faults.Forbidden('Can not modify the public network.')
|
|
| 269 |
if net.deleted: |
|
| 270 |
raise faults.BadRequest("Network has been deleted.")
|
|
| 271 |
|
|
| 272 |
action = req.keys()[0] |
|
| 273 |
if key_to_action(action) not in [x[0] for x in Network.ACTIONS]: |
|
| 274 |
raise faults.BadRequest("Action %s not supported." % action)
|
|
| 275 |
action_args = req[action] |
|
| 276 |
if not isinstance(action_args, dict): |
|
| 277 |
raise faults.BadRequest("Invalid argument.")
|
|
| 278 |
return network_actions[action](request, net, action_args) |
|
| 227 |
def network_to_dict(network, detail=True): |
|
| 228 |
d = {'id': str(network.id), 'name': network.name}
|
|
| 229 |
d['links'] = util.network_to_links(network.id) |
|
| 230 |
if detail: |
|
| 231 |
d['user_id'] = network.userid |
|
| 232 |
d['tenant_id'] = network.userid |
|
| 233 |
d['type'] = network.flavor |
|
| 234 |
d['updated'] = utils.isoformat(network.updated) |
|
| 235 |
d['created'] = utils.isoformat(network.created) |
|
| 236 |
d['status'] = network.state |
|
| 237 |
d['public'] = network.public |
|
| 238 |
d['external_router'] = network.external_router |
|
| 239 |
d['external_router'] = network.external_router |
|
| 240 |
d['admin_state_up'] = True |
|
| 241 |
subnet_cidr = [s.id for s in network.subnets.all()] |
|
| 242 |
d['subnets'] = subnet_cidr |
|
| 243 |
return d |
|
| 244 |
|
|
| 245 |
|
|
| 246 |
def render_network(request, networkdict, status=200): |
|
| 247 |
if request.serialization == 'xml': |
|
| 248 |
data = render_to_string('network.xml', {'network': networkdict})
|
|
| 249 |
else: |
|
| 250 |
data = json.dumps({'network': networkdict})
|
|
| 251 |
return HttpResponse(data, status=status) |
|
Also available in: Unified diff