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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ# This file is part of cloud-init. See LICENSE file for license information. """Install hotplug udev rules if supported and enabled""" import os from logging import Logger from textwrap import dedent from cloudinit import stages, subp, util from cloudinit.cloud import Cloud from cloudinit.config import Config from cloudinit.config.schema import MetaSchema, get_meta_doc from cloudinit.distros import ALL_DISTROS from cloudinit.event import EventScope, EventType from cloudinit.settings import PER_INSTANCE meta: MetaSchema = { "id": "cc_install_hotplug", "name": "Install Hotplug", "title": "Install hotplug udev rules if supported and enabled", "description": dedent( """\ This module will install the udev rules to enable hotplug if supported by the datasource and enabled in the userdata. The udev rules will be installed as ``/etc/udev/rules.d/10-cloud-init-hook-hotplug.rules``. When hotplug is enabled, newly added network devices will be added to the system by cloud-init. After udev detects the event, cloud-init will referesh the instance metadata from the datasource, detect the device in the updated metadata, then apply the updated network configuration. Currently supported datasources: Openstack, EC2 """ ), "distros": [ALL_DISTROS], "frequency": PER_INSTANCE, "examples": [ dedent( """\ # Enable hotplug of network devices updates: network: when: ["hotplug"] """ ), dedent( """\ # Enable network hotplug alongside boot event updates: network: when: ["boot", "hotplug"] """ ), ], "activate_by_schema_keys": [], } __doc__ = get_meta_doc(meta) HOTPLUG_UDEV_PATH = "/etc/udev/rules.d/10-cloud-init-hook-hotplug.rules" HOTPLUG_UDEV_RULES_TEMPLATE = """\ # Installed by cloud-init due to network hotplug userdata ACTION!="add|remove", GOTO="cloudinit_end" LABEL="cloudinit_hook" SUBSYSTEM=="net", RUN+="{libexecdir}/hook-hotplug" LABEL="cloudinit_end" """ def handle( name: str, cfg: Config, cloud: Cloud, log: Logger, args: list ) -> None: network_hotplug_enabled = ( "updates" in cfg and "network" in cfg["updates"] and "when" in cfg["updates"]["network"] and "hotplug" in cfg["updates"]["network"]["when"] ) hotplug_supported = EventType.HOTPLUG in ( cloud.datasource.get_supported_events([EventType.HOTPLUG]).get( EventScope.NETWORK, set() ) ) hotplug_enabled = stages.update_event_enabled( datasource=cloud.datasource, cfg=cfg, event_source_type=EventType.HOTPLUG, scope=EventScope.NETWORK, ) if not (hotplug_supported and hotplug_enabled): if os.path.exists(HOTPLUG_UDEV_PATH): log.debug("Uninstalling hotplug, not enabled") util.del_file(HOTPLUG_UDEV_PATH) subp.subp(["udevadm", "control", "--reload-rules"]) elif network_hotplug_enabled: log.warning( "Hotplug is unsupported by current datasource. " "Udev rules will NOT be installed." ) else: log.debug("Skipping hotplug install, not enabled") return if not subp.which("udevadm"): log.debug("Skipping hotplug install, udevadm not found") return # This may need to turn into a distro property at some point libexecdir = "/usr/libexec/cloud-init" if not os.path.exists(libexecdir): libexecdir = "/usr/lib/cloud-init" util.write_file( filename=HOTPLUG_UDEV_PATH, content=HOTPLUG_UDEV_RULES_TEMPLATE.format(libexecdir=libexecdir), ) subp.subp(["udevadm", "control", "--reload-rules"])