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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 import net
from cloudinit.distros.parsers.hostname import HostnameConf
from cloudinit.settings import PER_INSTANCE
LOG = logging.getLogger(__name__)
APT_GET_COMMAND = ('apt-get', '--option=Dpkg::Options::=--force-confold',
'--option=Dpkg::options::=--force-unsafe-io',
'--assume-yes', '--quiet')
APT_GET_WRAPPER = {
'command': 'eatmydata',
'enabled': 'auto',
}
class Distro(distros.Distro):
hostname_conf_fn = "/etc/hostname"
locale_conf_fn = "/etc/default/locale"
network_conf_fn = "/etc/network/interfaces"
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 = 'debian'
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', pkgs=pkglist)
def _write_network(self, settings):
util.write_file(self.network_conf_fn, settings)
return ['all']
def _write_network_config(self, netconfig):
ns = net.parse_net_config_data(netconfig)
net.render_network_state(network_state=ns, target="/")
return []
def _write_network_fallback(self):
# old fallback configuration is obsolete, disable it
util.disable_conf_file('/etc/network/interfaces.d/eth0.cfg')
ns = net.generate_fallback_config()
if ns is not None:
net.render_network_state(network_state=ns, target="/")
return []
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 _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), 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 _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):
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 = []
e = os.environ.copy()
# See: http://tiny.cc/kg91fw
# Or: http://tiny.cc/mh91fw
e['DEBIAN_FRONTEND'] = 'noninteractive'
wcfg = self.get_option("apt_get_wrapper", APT_GET_WRAPPER)
cmd = _get_wrapper_prefix(
wcfg.get('command', APT_GET_WRAPPER['command']),
wcfg.get('enabled', APT_GET_WRAPPER['enabled']))
cmd.extend(list(self.get_option("apt_get_command", APT_GET_COMMAND)))
if args and isinstance(args, str):
cmd.append(args)
elif args and isinstance(args, list):
cmd.extend(args)
subcmd = command
if command == "upgrade":
subcmd = self.get_option("apt_get_upgrade_subcommand",
"dist-upgrade")
cmd.append(subcmd)
pkglist = util.expand_package_list('%s=%s', pkgs)
cmd.extend(pkglist)
# Allow the output of this to flow outwards (ie not be captured)
util.log_time(logfunc=LOG.debug,
msg="apt-%s [%s]" % (command, ' '.join(cmd)),
func=util.subp,
args=(cmd,), kwargs={'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()
def _get_wrapper_prefix(cmd, mode):
if isinstance(cmd, str):
cmd = [str(cmd)]
if (util.is_true(mode) or
(str(mode).lower() == "auto" and cmd[0] and
util.which(cmd[0]))):
return cmd
else:
return []
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