Gestionnaire de fichiers - Editer - /usr/lib/python2.7/site-packages/cloudinit/distros/arch.py
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# Copyright (C) 2014 Rackspace, US Inc. # # Author: Nate House <nathan.house@rackspace.com> # # This file is part of cloud-init. See LICENSE file for license information. from cloudinit import distros from cloudinit import helpers from cloudinit import log as logging from cloudinit import util from cloudinit.distros import net_util from cloudinit.distros.parsers.hostname import HostnameConf from cloudinit.net.renderers import RendererNotFoundError from cloudinit.settings import PER_INSTANCE import os LOG = logging.getLogger(__name__) class Distro(distros.Distro): locale_conf_fn = "/etc/locale.gen" network_conf_dir = "/etc/netctl" resolve_conf_fn = "/etc/resolv.conf" init_cmd = ['systemctl'] # init scripts renderer_configs = { "netplan": {"netplan_path": "/etc/netplan/50-cloud-init.yaml", "netplan_header": "# generated by cloud-init\n", "postcmds": True} } def __init__(self, name, cfg, paths): distros.Distro.__init__(self, name, cfg, paths) # This will be used to restrict certain # calls from repeatly happening (when they # should only happen say once per instance...) self._runner = helpers.Runners(paths) self.osfamily = 'arch' cfg['ssh_svcname'] = 'sshd' def apply_locale(self, locale, out_fn=None): if not out_fn: out_fn = self.locale_conf_fn util.subp(['locale-gen', '-G', locale], capture=False) # "" provides trailing newline during join lines = [ util.make_header(), 'LANG="%s"' % (locale), "", ] util.write_file(out_fn, "\n".join(lines)) def install_packages(self, pkglist): self.update_package_sources() self.package_command('', pkgs=pkglist) def _write_network_config(self, netconfig): try: return self._supported_write_network_config(netconfig) except RendererNotFoundError: # Fall back to old _write_network raise NotImplementedError def _write_network(self, settings): entries = net_util.translate_network(settings) LOG.debug("Translated ubuntu style network settings %s into %s", settings, entries) return _render_network( entries, resolv_conf=self.resolve_conf_fn, conf_dir=self.network_conf_dir, enable_func=self._enable_interface) def _enable_interface(self, device_name): cmd = ['netctl', 'reenable', device_name] try: (_out, err) = util.subp(cmd) if len(err): LOG.warning("Running %s resulted in stderr output: %s", cmd, err) except util.ProcessExecutionError: util.logexc(LOG, "Running interface command %s failed", cmd) def _bring_up_interface(self, device_name): cmd = ['netctl', 'restart', device_name] LOG.debug("Attempting to run bring up interface %s using command %s", device_name, cmd) try: (_out, err) = util.subp(cmd) if len(err): LOG.warning("Running %s resulted in stderr output: %s", cmd, err) return True except util.ProcessExecutionError: util.logexc(LOG, "Running interface command %s failed", cmd) return False def _bring_up_interfaces(self, device_names): for d in device_names: if not self._bring_up_interface(d): return False return True def _write_hostname(self, your_hostname, out_fn): conf = None try: # Try to update the previous one # so lets see if we can read it first. conf = self._read_hostname_conf(out_fn) except IOError: pass if not conf: conf = HostnameConf('') conf.set_hostname(your_hostname) util.write_file(out_fn, str(conf), omode="w", mode=0o644) def _read_system_hostname(self): sys_hostname = self._read_hostname(self.hostname_conf_fn) return (self.hostname_conf_fn, sys_hostname) def _read_hostname_conf(self, filename): conf = HostnameConf(util.load_file(filename)) conf.parse() return conf def _read_hostname(self, filename, default=None): hostname = None try: conf = self._read_hostname_conf(filename) hostname = conf.hostname except IOError: pass if not hostname: return default return hostname def set_timezone(self, tz): distros.set_etc_timezone(tz=tz, tz_file=self._find_tz_file(tz)) def package_command(self, command, args=None, pkgs=None): if pkgs is None: pkgs = [] cmd = ['pacman', "-Sy", "--quiet", "--noconfirm"] # Redirect output if args and isinstance(args, str): cmd.append(args) elif args and isinstance(args, list): cmd.extend(args) if command: cmd.append(command) pkglist = util.expand_package_list('%s-%s', pkgs) cmd.extend(pkglist) # Allow the output of this to flow outwards (ie not be captured) util.subp(cmd, capture=False) def update_package_sources(self): self._runner.run("update-sources", self.package_command, ["-y"], freq=PER_INSTANCE) def _render_network(entries, target="/", conf_dir="etc/netctl", resolv_conf="etc/resolv.conf", enable_func=None): """Render the translate_network format into netctl files in target. Paths will be rendered under target. """ devs = [] nameservers = [] resolv_conf = util.target_path(target, resolv_conf) conf_dir = util.target_path(target, conf_dir) for (dev, info) in entries.items(): if dev == 'lo': # no configuration should be rendered for 'lo' continue devs.append(dev) net_fn = os.path.join(conf_dir, dev) net_cfg = { 'Connection': 'ethernet', 'Interface': dev, 'IP': info.get('bootproto'), 'Address': "%s/%s" % (info.get('address'), info.get('netmask')), 'Gateway': info.get('gateway'), 'DNS': info.get('dns-nameservers', []), } util.write_file(net_fn, convert_netctl(net_cfg)) if enable_func and info.get('auto'): enable_func(dev) if 'dns-nameservers' in info: nameservers.extend(info['dns-nameservers']) if nameservers: util.write_file(resolv_conf, convert_resolv_conf(nameservers)) return devs def convert_netctl(settings): """Given a dictionary, returns a string in netctl profile format. netctl profile is described at: https://git.archlinux.org/netctl.git/tree/docs/netctl.profile.5.txt Note that the 'Special Quoting Rules' are not handled here.""" result = [] for key in sorted(settings): val = settings[key] if val is None: val = "" elif isinstance(val, (tuple, list)): val = "(" + ' '.join("'%s'" % v for v in val) + ")" result.append("%s=%s\n" % (key, val)) return ''.join(result) def convert_resolv_conf(settings): """Returns a settings string formatted for resolv.conf.""" result = '' if isinstance(settings, list): for ns in settings: result = result + 'nameserver %s\n' % ns return result # vi: ts=4 expandtab
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