floating_ips.py 文件源码

def delete(self, req, id):
        context = req.environ['nova.context']
        authorize(context)

        # get the floating ip object
        try:
            floating_ip = self.network_api.get_floating_ip(context, id)
        except (exception.NotFound, exception.InvalidID):
            msg = _("Floating IP not found for ID %s") % id
            raise webob.exc.HTTPNotFound(explanation=msg)
        address = floating_ip['address']

        # get the associated instance object (if any)
        instance = get_instance_by_floating_ip_addr(self, context, address)
        try:
            self.network_api.disassociate_and_release_floating_ip(
                context, instance, floating_ip)
        except exception.Forbidden:
            raise webob.exc.HTTPForbidden()
        except exception.CannotDisassociateAutoAssignedFloatingIP:
            msg = _('Cannot disassociate auto assigned floating IP')
            raise webob.exc.HTTPForbidden(explanation=msg)
        return webob.Response(status_int=202)