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: /lib/python3/dist-packages/cloudinit/net/ [ drwxr-xr-x ]
name : renderer.py # Copyright (C) 2013-2014 Canonical Ltd. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Blake Rouse <blake.rouse@canonical.com> # # This file is part of cloud-init. See LICENSE file for license information. import abc import io from typing import Optional from cloudinit.net.network_state import NetworkState, parse_net_config_data from cloudinit.net.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"] def filter_by_attr(match_name): return lambda iface: (match_name in iface and iface[match_name]) filter_by_physical = filter_by_type("physical") class Renderer: def __init__(self, config=None): pass @staticmethod def _render_persistent_net(network_state: NetworkState): """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 = io.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"): driver = iface.get("driver", None) content.write( generate_udev_rule( iface["name"], iface["mac_address"], driver=driver ) ) return content.getvalue() @abc.abstractmethod def render_network_state( self, network_state: NetworkState, templates: Optional[dict] = None, target=None, ) -> None: """Render network state.""" def render_network_config( self, network_config: dict, templates: Optional[dict] = None, target=None, ): return self.render_network_state( network_state=parse_net_config_data(network_config), templates=templates, target=target, ) # vi: ts=4 expandtab