166 lines
5.4 KiB
Python
166 lines
5.4 KiB
Python
# Copyright (C) 2021 VMware Inc.
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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, net, subp, util
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from cloudinit.distros import PackageList
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from cloudinit.distros import rhel_util as rhutil
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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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systemd_hostname_conf_fn = "/etc/hostname"
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network_conf_dir = "/etc/systemd/network/"
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systemd_locale_conf_fn = "/etc/locale.conf"
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resolve_conf_fn = "/etc/systemd/resolved.conf"
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renderer_configs = {
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"networkd": {
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"resolv_conf_fn": resolve_conf_fn,
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"network_conf_dir": network_conf_dir,
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}
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}
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# Should be fqdn if we can use it
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prefer_fqdn = True
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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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# 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 = "photon"
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self.init_cmd = ["systemctl"]
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def exec_cmd(self, cmd, capture=True):
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LOG.debug("Attempting to run: %s", cmd)
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try:
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(out, err) = subp.subp(cmd, capture=capture)
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if err:
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LOG.warning(
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"Running %s resulted in stderr output: %s", cmd, err
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)
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return True, out, err
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return False, out, err
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except subp.ProcessExecutionError:
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util.logexc(LOG, "Command %s failed", cmd)
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return True, None, None
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def generate_fallback_config(self):
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key = "disable_fallback_netcfg"
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disable_fallback_netcfg = self._cfg.get(key, True)
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LOG.debug("%s value is: %s", key, disable_fallback_netcfg)
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if not disable_fallback_netcfg:
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return net.generate_fallback_config()
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LOG.info(
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"Skipping generate_fallback_config. Rely on PhotonOS default "
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"network config"
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)
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return None
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def apply_locale(self, locale, out_fn=None):
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# This has a dependency on glibc-i18n, user need to manually install it
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# and enable the option in cloud.cfg
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if not out_fn:
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out_fn = self.systemd_locale_conf_fn
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locale_cfg = {
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"LANG": locale,
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}
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rhutil.update_sysconfig_file(out_fn, locale_cfg)
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# rhutil will modify /etc/locale.conf
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# For locale change to take effect, reboot is needed or we can restart
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# systemd-localed. This is equivalent of localectl
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cmd = ["systemctl", "restart", "systemd-localed"]
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self.exec_cmd(cmd)
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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("install", pkgs=pkglist)
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def _write_hostname(self, hostname, filename):
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if filename and filename.endswith("/previous-hostname"):
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util.write_file(filename, hostname)
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else:
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ret = None
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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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ret, _out, err = self.exec_cmd(
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["hostnamectl", "set-hostname", str(hostname)]
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)
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else:
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ret, _out, err = self.exec_cmd(
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[
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"hostnamectl",
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"set-hostname",
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"--transient",
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str(hostname),
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]
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)
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LOG.info(
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"create_hostname_file is False; hostname set transiently"
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)
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if ret:
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LOG.warning(
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(
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"Error while setting hostname: %s\nGiven hostname: %s",
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err,
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hostname,
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)
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)
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def _read_system_hostname(self):
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sys_hostname = self._read_hostname(self.systemd_hostname_conf_fn)
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return (self.systemd_hostname_conf_fn, sys_hostname)
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def _read_hostname(self, filename, default=None):
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if filename and filename.endswith("/previous-hostname"):
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return util.load_text_file(filename).strip()
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_ret, out, _err = self.exec_cmd(["hostname", "-f"])
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return out.strip() if out else default
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def _get_localhost_ip(self):
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return "127.0.1.1"
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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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if not pkgs:
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pkgs = []
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cmd = ["tdnf", "-y"]
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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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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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ret, _out, err = self.exec_cmd(cmd)
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if ret:
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LOG.error("Error while installing packages: %s", err)
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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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["makecache"],
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freq=PER_ALWAYS if force else PER_INSTANCE,
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)
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