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# vi: ts=4 expandtab
#
# Copyright (C) 2012 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Joshua Harlow <harlowja@yahoo-inc.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/>.
import os
from cloudinit import distros
from cloudinit import helpers
from cloudinit import log as logging
from cloudinit import util
from cloudinit.distros.parsers import chop_comment
from cloudinit.settings import PER_INSTANCE
LOG = logging.getLogger(__name__)
class Distro(distros.Distro):
hostname_conf_fn = "/etc/hostname"
locale_conf_fn = "/etc/default/locale"
network_conf_fn = "/etc/network/interfaces"
tz_conf_fn = "/etc/timezone"
tz_local_fn = "/etc/localtime"
tz_zone_dir = "/usr/share/zoneinfo"
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)
def apply_locale(self, locale, out_fn=None):
if not out_fn:
out_fn = self.locale_conf_fn
util.subp(['locale-gen', locale], capture=False)
util.subp(['update-locale', 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('install', pkglist)
def _write_network(self, settings):
util.write_file(self.network_conf_fn, settings)
return ['all']
def _bring_up_interfaces(self, device_names):
use_all = False
for d in device_names:
if d == 'all':
use_all = True
if use_all:
return distros.Distro._bring_up_interface(self, '--all')
else:
return distros.Distro._bring_up_interfaces(self, device_names)
def set_hostname(self, hostname):
self._write_hostname(hostname, self.hostname_conf_fn)
self._apply_hostname(hostname)
def _write_hostname(self, hostname, out_fn):
# "" gives trailing newline.
hostname_lines = [
str(hostname),
"",
]
util.write_file(out_fn, "\n".join(hostname_lines), 0644)
def _read_system_hostname(self):
return (self.hostname_conf_fn,
self._read_hostname(self.hostname_conf_fn))
def _read_hostname(self, filename, default=None):
contents = util.load_file(filename, quiet=True)
for line in contents.splitlines():
# Handle inline comments
(before_comment, _comment) = chop_comment(line, "#")
before_comment = before_comment.strip()
if len(before_comment):
return before_comment
return default
def _get_localhost_ip(self):
# Note: http://www.leonardoborda.com/blog/127-0-1-1-ubuntu-debian/
return "127.0.1.1"
def set_timezone(self, tz):
tz_file = os.path.join(self.tz_zone_dir, tz)
if not os.path.isfile(tz_file):
raise RuntimeError(("Invalid timezone %s,"
" no file found at %s") % (tz, tz_file))
# "" provides trailing newline during join
tz_lines = [
util.make_header(),
str(tz),
"",
]
util.write_file(self.tz_conf_fn, "\n".join(tz_lines))
util.copy(tz_file, self.tz_local_fn)
def package_command(self, command, args=None):
e = os.environ.copy()
# See: http://tiny.cc/kg91fw
# Or: http://tiny.cc/mh91fw
e['DEBIAN_FRONTEND'] = 'noninteractive'
cmd = ['apt-get', '--option', 'Dpkg::Options::=--force-confold',
'--assume-yes', '--quiet', command]
if args:
cmd.extend(args)
# Allow the output of this to flow outwards (ie not be captured)
util.subp(cmd, env=e, capture=False)
def update_package_sources(self):
self._runner.run("update-sources", self.package_command,
["update"], freq=PER_INSTANCE)
def get_primary_arch(self):
(arch, _err) = util.subp(['dpkg', '--print-architecture'])
return str(arch).strip()
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