From 459de83024b41c32823b75cf483da994fb1388b7 Mon Sep 17 00:00:00 2001 From: Joshua Harlow Date: Wed, 15 Jun 2016 16:11:24 -0700 Subject: Fixup code review comments --- cloudinit/net/renderer.py | 48 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 cloudinit/net/renderer.py (limited to 'cloudinit/net/renderer.py') diff --git a/cloudinit/net/renderer.py b/cloudinit/net/renderer.py new file mode 100644 index 00000000..310cbe0d --- /dev/null +++ b/cloudinit/net/renderer.py @@ -0,0 +1,48 @@ +# Copyright (C) 2013-2014 Canonical Ltd. +# +# Author: Scott Moser +# Author: Blake Rouse +# +# Curtin is free software: you can redistribute it and/or modify it under +# the terms of the GNU Affero General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# Curtin is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for +# more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with Curtin. If not, see . + +import six + +from .udev import generate_udev_rule + + +def filter_by_type(match_type): + return lambda iface: match_type == iface['type'] + + +def filter_by_name(match_name): + return lambda iface: match_name == iface['name'] + + +filter_by_physical = filter_by_type('physical') + + +class Renderer(object): + + @staticmethod + def _render_persistent_net(network_state): + """Given state, emit udev rules to map mac to ifname.""" + # TODO(harlowja): this seems shared between eni renderer and + # this, so move it to a shared location. + content = six.StringIO() + for iface in network_state.iter_interfaces(filter_by_physical): + # for physical interfaces write out a persist net udev rule + if 'name' in iface and iface.get('mac_address'): + content.write(generate_udev_rule(iface['name'], + iface['mac_address'])) + return content.getvalue() -- cgit v1.2.3