# This file is part of cloud-init. See LICENSE file for license information. from typing import List, Tuple, Type from cloudinit.net import ( RendererNotFoundError, eni, freebsd, netbsd, netplan, network_manager, networkd, openbsd, renderer, sysconfig, ) NAME_TO_RENDERER = { "eni": eni, "freebsd": freebsd, "netbsd": netbsd, "netplan": netplan, "network-manager": network_manager, "networkd": networkd, "openbsd": openbsd, "sysconfig": sysconfig, } DEFAULT_PRIORITY = [ "eni", "sysconfig", "netplan", "network-manager", "freebsd", "netbsd", "openbsd", "networkd", ] def search( priority=None, first=False ) -> List[Tuple[str, Type[renderer.Renderer]]]: if priority is None: priority = DEFAULT_PRIORITY available = NAME_TO_RENDERER unknown = [i for i in priority if i not in available] if unknown: raise ValueError( "Unknown renderers provided in priority list: %s" % unknown ) found = [] for name in priority: render_mod = available[name] if render_mod.available(): cur = (name, render_mod.Renderer) if first: return [cur] found.append(cur) return found def select(priority=None) -> Tuple[str, Type[renderer.Renderer]]: found = search(priority, first=True) if not found: if priority is None: priority = DEFAULT_PRIORITY raise RendererNotFoundError( "No available network renderers found. Searched through list: %s" % priority ) return found[0]