tables.py 文件源码

def single(self, table, request, instance_id):
        try:
            # target_id is port_id for Neutron and instance_id for Nova Network
            # (Neutron API wrapper returns a 'portid_fixedip' string)
            targets = api.network.floating_ip_target_list_by_instance(
                request, instance_id)

            target_ids = [t.split('_')[0] for t in targets]

            fips = [fip for fip in api.network.tenant_floating_ip_list(request)
                    if fip.port_id in target_ids]
            # Removing multiple floating IPs at once doesn't work, so this pops
            # off the first one.
            if fips:
                fip = fips.pop()
                api.network.floating_ip_disassociate(request, fip.id)
                messages.success(request,
                                 _("Successfully disassociated "
                                   "floating IP: %s") % fip.ip)
            else:
                messages.info(request, _("No floating IPs to disassociate."))
        except Exception:
            exceptions.handle(request,
                              _("Unable to disassociate floating IP."))
        return shortcuts.redirect(request.get_full_path())