150 lines
4.9 KiB
Python
150 lines
4.9 KiB
Python
# Copyright (C) 2014 Rackspace, US Inc.
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# Copyright (C) 2016 Matthew Thode.
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# Copyright (C) 2024 Andreas K. Huettel
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#
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# Author: Nate House <nathan.house@rackspace.com>
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# Author: Matthew Thode <prometheanfire@gentoo.org>
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# Author: Andreas K. Huettel <dilfridge@gentoo.org>
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#
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# This file is part of cloud-init. See LICENSE file for license information.
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import logging
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from cloudinit import distros, helpers, subp, util
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from cloudinit.distros import PackageList
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from cloudinit.distros.parsers.hostname import HostnameConf
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from cloudinit.settings import PER_ALWAYS, PER_INSTANCE
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LOG = logging.getLogger(__name__)
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class Distro(distros.Distro):
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locale_gen_fn = "/etc/locale.gen"
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default_locale = "en_US.UTF-8"
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# C.UTF8 makes sense to generate, but is not selected
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# Add /etc/locale.gen entries to this list to support more locales
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locales = ["C.UTF8 UTF-8", "en_US.UTF-8 UTF-8"]
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def __init__(self, name, cfg, paths):
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distros.Distro.__init__(self, name, cfg, paths)
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if distros.uses_systemd():
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self.hostname_conf_fn = "/etc/hostname"
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else:
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self.hostname_conf_fn = "/etc/conf.d/hostname"
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# This will be used to restrict certain
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# calls from repeatedly happening (when they
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# should only happen say once per instance...)
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self._runner = helpers.Runners(paths)
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self.osfamily = "gentoo"
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def apply_locale(self, _, out_fn=None):
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"""Locales need to be added to /etc/locale.gen and generated prior
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to selection. Default to en_US.UTF-8 for simplicity.
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"""
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util.write_file(self.locale_gen_fn, "\n".join(self.locales), mode=644)
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# generate locales
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subp.subp(["locale-gen"], capture=False)
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# select locale, works for both openrc and systemd
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subp.subp(
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["eselect", "locale", "set", self.default_locale], capture=False
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)
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def install_packages(self, pkglist: PackageList):
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self.update_package_sources()
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self.package_command("", pkgs=pkglist)
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def _write_hostname(self, hostname, filename):
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conf = None
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try:
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# Try to update the previous one
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# so lets see if we can read it first.
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conf = self._read_hostname_conf(filename)
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except IOError:
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create_hostname_file = util.get_cfg_option_bool(
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self._cfg, "create_hostname_file", True
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)
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if create_hostname_file:
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pass
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else:
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LOG.info(
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"create_hostname_file is False; hostname file not created"
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)
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return
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if not conf:
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conf = HostnameConf("")
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if distros.uses_systemd():
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# Gentoo uses the same format for /etc/hostname as everyone else-
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# only the hostname by itself. Works for openrc and systemd, but
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# openrc has its own config file and /etc/hostname is generated.
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conf.set_hostname(hostname)
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else:
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# Openrc generates /etc/hostname from /etc/conf.d/hostname with the
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# differing format
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# hostname="the-actual-hostname"
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conf.set_hostname('hostname="%s"' % hostname)
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util.write_file(filename, str(conf), 0o644)
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def _read_system_hostname(self):
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sys_hostname = self._read_hostname(self.hostname_conf_fn)
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return self.hostname_conf_fn, sys_hostname
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@staticmethod
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def _read_hostname_conf(filename):
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conf = HostnameConf(util.load_text_file(filename))
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conf.parse()
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return conf
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def _read_hostname(self, filename, default=None):
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hostname = None
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try:
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conf = self._read_hostname_conf(filename)
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hostname = conf.hostname
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except IOError:
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pass
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if not hostname:
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return default
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return hostname
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def set_timezone(self, tz):
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distros.set_etc_timezone(tz=tz, tz_file=self._find_tz_file(tz))
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def package_command(self, command, args=None, pkgs=None):
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cmd = ["emerge"]
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# Redirect output
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cmd.append("--quiet")
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if command == "upgrade":
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cmd.extend(["--update", "world"])
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else:
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if pkgs is None:
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pkgs = []
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if args and isinstance(args, str):
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cmd.append(args)
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elif args and isinstance(args, list):
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cmd.extend(args)
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if command:
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cmd.append(command)
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pkglist = util.expand_package_list("%s-%s", pkgs)
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cmd.extend(pkglist)
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# Allow the output of this to flow outwards (ie not be captured)
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subp.subp(cmd, capture=False)
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def update_package_sources(self, *, force=False):
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self._runner.run(
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"update-sources",
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self.package_command,
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["--sync"],
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freq=PER_ALWAYS if force else PER_INSTANCE,
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)
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