root / snf-cyclades-app / synnefo / api / floating_ips.py @ 883c1f94
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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 django.conf.urls.defaults import patterns |
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from django.db import transaction |
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from django.http import HttpResponse |
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from django.utils import simplejson as json |
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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 synnefo.api import util |
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from synnefo.logic import ips |
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from synnefo.db.models import Network, IPAddress |
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from logging import getLogger |
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log = getLogger(__name__) |
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'''
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ips_urlpatterns = patterns(
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'synnefo.api.floating_ips',
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(r'^(?:/|.json|.xml)?$', 'demux'),
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(r'^/(\w+)(?:.json|.xml)?$', 'floating_ip_demux'),
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)
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pools_urlpatterns = patterns(
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"synnefo.api.floating_ips",
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(r'^(?:/|.json|.xml)?$', 'list_floating_ip_pools'),
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)
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'''
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ips_urlpatterns = patterns( |
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'synnefo.api.floating_ips',
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(r'^(?:/|.json|.xml)?$', 'demux'), |
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(r'^/detail(?:.json|.xml)?$', 'list_floating_ips', {'detail': True}), |
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(r'^/(\w+)(?:/|.json|.xml)?$', 'floating_ip_demux')) |
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def demux(request): |
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if request.method == 'GET': |
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return list_floating_ips(request)
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elif request.method == 'POST': |
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return allocate_floating_ip(request)
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else:
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return api.api_method_not_allowed(request,
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allowed_methods=['GET', 'POST']) |
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def floating_ip_demux(request, floating_ip_id): |
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if request.method == 'GET': |
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return get_floating_ip(request, floating_ip_id)
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elif request.method == 'DELETE': |
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return release_floating_ip(request, floating_ip_id)
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elif request.method == 'PUT': |
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return update_floating_ip(request, floating_ip_id)
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else:
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return api.api_method_not_allowed(request,
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allowed_methods=['GET', 'DELETE']) |
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def ip_to_dict(floating_ip): |
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machine_id = None
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port_id = None
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if floating_ip.nic is not None: |
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machine_id = floating_ip.nic.machine_id |
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port_id = floating_ip.nic.id |
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return {"fixed_ip_address": None, |
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"id": str(floating_ip.id), |
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"instance_id": str(machine_id) if machine_id else None, |
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"floating_ip_address": floating_ip.address,
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"port_id": str(floating_ip.nic.id) if port_id else None, |
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"floating_network_id": str(floating_ip.network_id)} |
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@api.api_method(http_method="GET", user_required=True, logger=log, |
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serializations=["json"])
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def list_floating_ips(request): |
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"""Return user reserved floating IPs"""
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log.debug("list_floating_ips")
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userid = request.user_uniq |
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floating_ips = IPAddress.objects.filter(userid=userid, deleted=False,
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floating_ip=True).order_by("id")\ |
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.select_related("nic")
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floating_ips = utils.filter_modified_since(request, objects=floating_ips) |
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floating_ips = map(ip_to_dict, floating_ips)
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request.serialization = "json"
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data = json.dumps({"floatingips": floating_ips})
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return HttpResponse(data, status=200) |
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@api.api_method(http_method="GET", user_required=True, logger=log, |
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serializations=["json"])
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def get_floating_ip(request, floating_ip_id): |
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"""Return information for a floating IP."""
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userid = request.user_uniq |
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floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id) |
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request.serialization = "json"
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data = json.dumps({"floatingip": ip_to_dict(floating_ip)})
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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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serializations=["json"])
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@transaction.commit_on_success
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def allocate_floating_ip(request): |
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"""Allocate a floating IP."""
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req = utils.get_request_dict(request) |
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floating_ip_dict = api.utils.get_attribute(req, "floatingip",
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required=True)
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log.info('allocate_floating_ip %s', req)
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userid = request.user_uniq |
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# the network_pool is a mandatory field
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network_id = api.utils.get_attribute(floating_ip_dict, |
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"floating_network_id",
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required=False)
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if network_id is None: |
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floating_ip = ips.create_floating_ip(userid) |
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else:
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try:
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network_id = int(network_id)
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except ValueError: |
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raise faults.BadRequest("Invalid networkd ID.") |
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network = util.get_network(network_id, userid, for_update=True,
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non_deleted=True)
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address = api.utils.get_attribute(floating_ip_dict, |
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"floating_ip_address",
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required=False)
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floating_ip = ips.create_floating_ip(userid, network, address) |
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log.info("User '%s' allocated floating IP '%s'", userid, floating_ip)
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request.serialization = "json"
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data = json.dumps({"floatingip": ip_to_dict(floating_ip)})
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return HttpResponse(data, status=200) |
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@api.api_method(http_method='DELETE', user_required=True, logger=log, |
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serializations=["json"])
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@transaction.commit_on_success
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def release_floating_ip(request, floating_ip_id): |
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"""Release a floating IP."""
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userid = request.user_uniq |
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log.info("release_floating_ip '%s'. User '%s'.", floating_ip_id, userid)
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floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id, |
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for_update=True)
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ips.delete_floating_ip(floating_ip) |
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log.info("User '%s' released IP '%s", userid, floating_ip)
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return HttpResponse(status=204) |
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@api.api_method(http_method='PUT', user_required=True, logger=log, |
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serializations=["json"])
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@transaction.commit_on_success
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def update_floating_ip(request, floating_ip_id): |
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"""Update a floating IP."""
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raise faults.NotImplemented("Updating a floating IP is not supported.") |
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#userid = request.user_uniq
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#log.info("update_floating_ip '%s'. User '%s'.", floating_ip_id, userid)
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#req = utils.get_request_dict(request)
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#info = api.utils.get_attribute(req, "floatingip", required=True)
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#device_id = api.utils.get_attribute(info, "device_id", required=False)
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#floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id,
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# for_update=True)
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#if device_id:
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# # attach
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# vm = util.get_vm(device_id, userid)
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# nic, floating_ip = servers.create_nic(vm, ipaddress=floating_ip)
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# backend.connect_to_network(vm, nic)
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#else:
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# # dettach
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# nic = floating_ip.nic
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# if not nic:
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# raise faults.BadRequest("The floating IP is not associated\
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# with any device")
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# vm = nic.machine
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# servers.disconnect(vm, nic)
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#return HttpResponse(status=202)
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# Floating IP pools
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@api.api_method(http_method='GET', user_required=True, logger=log, |
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serializations=["json"])
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def list_floating_ip_pools(request): |
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networks = Network.objects.filter(public=True, floating_ip_pool=True, |
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deleted=False)
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networks = utils.filter_modified_since(request, objects=networks) |
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floating_ip_pools = map(network_to_floating_ip_pool, networks)
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request.serialization = "json"
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data = json.dumps({"floating_ip_pools": floating_ip_pools})
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request.serialization = "json"
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return HttpResponse(data, status=200) |
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def network_to_floating_ip_pool(network): |
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"""Convert a 'Network' object to a floating IP pool dict."""
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total, free = network.ip_count() |
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return {"name": str(network.id), |
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"size": total,
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"free": free}
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