diff options
Diffstat (limited to 'cloudinit/distros')
| -rw-r--r-- | cloudinit/distros/__init__.py | 3 | ||||
| -rw-r--r-- | cloudinit/distros/arch.py | 225 |
2 files changed, 227 insertions, 1 deletions
diff --git a/cloudinit/distros/__init__.py b/cloudinit/distros/__init__.py index a912f373..8fc0da9f 100644 --- a/cloudinit/distros/__init__.py +++ b/cloudinit/distros/__init__.py @@ -41,7 +41,8 @@ OSFAMILIES = { 'redhat': ['fedora', 'rhel'], 'gentoo': ['gentoo'], 'freebsd': ['freebsd'], - 'suse': ['sles'] + 'suse': ['sles'], + 'arch': ['arch'], } LOG = logging.getLogger(__name__) diff --git a/cloudinit/distros/arch.py b/cloudinit/distros/arch.py new file mode 100644 index 00000000..fc5eee66 --- /dev/null +++ b/cloudinit/distros/arch.py @@ -0,0 +1,225 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2014 Rackspace, US Inc. +# +# Author: Nate House <nathan.house@rackspace.com> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 3, as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +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.settings import PER_INSTANCE + +LOG = logging.getLogger(__name__) + + +class Distro(distros.Distro): + locale_conf_fn = "/etc/locale.gen" + network_conf_dir = "/etc/netctl" + tz_conf_fn = "/etc/timezone" + tz_local_fn = "/etc/localtime" + resolv_conf_fn = "/etc/resolv.conf" + init_cmd = ['systemctl'] # init scripts + exclude_modules = [ + 'grub-dpkg', + 'apt-configure', + 'apt-pipelining', + 'yum-add-repo', + ] + + 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(self, settings): + entries = net_util.translate_network(settings) + LOG.debug("Translated ubuntu style network settings %s into %s", + settings, entries) + dev_names = entries.keys() + # Format for netctl + for (dev, info) in entries.iteritems(): + nameservers = [] + net_fn = self.network_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': str(tuple(info.get('dns-nameservers'))).replace(',', '') + } + util.write_file(net_fn, convert_netctl(net_cfg)) + if info.get('auto'): + self._enable_interface(dev) + if 'dns-nameservers' in info: + nameservers.extend(info['dns-nameservers']) + + if nameservers: + util.write_file(self.resolve_conf_fn, + convert_resolv_conf(nameservers)) + + return dev_names + + def _enable_interface(self, device_name): + cmd = ['netctl', 'reenable', device_name] + try: + (_out, err) = util.subp(cmd) + if len(err): + LOG.warn("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.warn("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 _select_hostname(self, hostname, fqdn): + # Prefer the short hostname over the long + # fully qualified domain name + if not hostname: + return fqdn + return hostname + + 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), 0644) + + 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): + tz_file = self._find_tz_file(tz) + # Note: "" provides trailing newline during join + tz_lines = [ + util.make_header(), + str(tz), + "", + ] + util.write_file(self.tz_conf_fn, "\n".join(tz_lines)) + # This ensures that the correct tz will be used for the system + util.copy(tz_file, self.tz_local_fn) + + def package_command(self, command, args=None, pkgs=None): + if pkgs is None: + pkgs = [] + + cmd = ['pacman'] + # Redirect output + cmd.append("-Sy") + cmd.append("--quiet") + cmd.append("--noconfirm") + + 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 convert_netctl(settings): + """Returns a settings string formatted for netctl.""" + result = '' + if isinstance(settings, dict): + for k, v in settings.items(): + result = result + '%s=%s\n' % (k, v) + return result + + +def convert_resolv_conf(settings): + """Returns a settings string formatted for resolv.conf.""" + result = '' + if isinstance(settings, list): + for ns in list: + result = result + 'nameserver %s\n' % ns + return result |