| .. | |||||
| __pycache__ | |||||
| parsers | |||||
| __init__.py | |||||
| amazon.py | |||||
| arch.py | |||||
| bsd.py | |||||
| bsd_utils.py | |||||
| centos.py | |||||
| debian.py | |||||
| fedora.py | |||||
| freebsd.py | |||||
| gentoo.py | |||||
| net_util.py | |||||
| netbsd.py | |||||
| openbsd.py | |||||
| opensuse.py | |||||
| rhel.py | |||||
| rhel_util.py | |||||
| sles.py | |||||
| ubuntu.py | |||||
| ug_util.py |
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# 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 file is part of cloud-init. See LICENSE file for license information.
import os
from cloudinit import distros
from cloudinit import helpers
from cloudinit import log as logging
from cloudinit import util
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',
}
NETWORK_FILE_HEADER = """\
# This file is generated from information provided by the datasource. Changes
# to it will not persist across an instance reboot. To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
"""
NETWORK_CONF_FN = "/etc/network/interfaces.d/50-cloud-init"
LOCALE_CONF_FN = "/etc/default/locale"
class Distro(distros.Distro):
hostname_conf_fn = "/etc/hostname"
network_conf_fn = {
"eni": "/etc/network/interfaces.d/50-cloud-init",
"netplan": "/etc/netplan/50-cloud-init.yaml"
}
renderer_configs = {
"eni": {"eni_path": network_conf_fn["eni"],
"eni_header": NETWORK_FILE_HEADER},
"netplan": {"netplan_path": network_conf_fn["netplan"],
"netplan_header": NETWORK_FILE_HEADER,
"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 = 'debian'
self.default_locale = 'en_US.UTF-8'
self.system_locale = None
def get_locale(self):
"""Return the default locale if set, else use default locale"""
# read system locale value
if not self.system_locale:
self.system_locale = read_system_locale()
# Return system_locale setting if valid, else use default locale
return (self.system_locale if self.system_locale else
self.default_locale)
def apply_locale(self, locale, out_fn=None, keyname='LANG'):
"""Apply specified locale to system, regenerate if specified locale
differs from system default."""
if not out_fn:
out_fn = LOCALE_CONF_FN
if not locale:
raise ValueError('Failed to provide locale value.')
# Only call locale regeneration if needed
# Update system locale config with specified locale if needed
distro_locale = self.get_locale()
conf_fn_exists = os.path.exists(out_fn)
sys_locale_unset = False if self.system_locale else True
need_regen = (locale.lower() != distro_locale.lower() or
not conf_fn_exists or sys_locale_unset)
need_conf = not conf_fn_exists or need_regen or sys_locale_unset
if need_regen:
regenerate_locale(locale, out_fn, keyname=keyname)
else:
LOG.debug(
"System has '%s=%s' requested '%s', skipping regeneration.",
keyname, self.system_locale, locale)
if need_conf:
update_locale_conf(locale, out_fn, keyname=keyname)
# once we've updated the system config, invalidate cache
self.system_locale = None
def install_packages(self, pkglist):
self.update_package_sources()
self.package_command('install', pkgs=pkglist)
def _write_network_config(self, netconfig):
_maybe_remove_legacy_eth0()
return self._supported_write_network_config(netconfig)
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://manpages.ubuntu.com/manpages/xenial/man7/debconf.7.html
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):
return util.get_dpkg_architecture()
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 []
def _maybe_remove_legacy_eth0(path="/etc/network/interfaces.d/eth0.cfg"):
"""Ubuntu cloud images previously included a 'eth0.cfg' that had
hard coded content. That file would interfere with the rendered
configuration if it was present.
if the file does not exist do nothing.
If the file exists:
- with known content, remove it and warn
- with unknown content, leave it and warn
"""
if not os.path.exists(path):
return
bmsg = "Dynamic networking config may not apply."
try:
contents = util.load_file(path)
known_contents = ["auto eth0", "iface eth0 inet dhcp"]
lines = [f.strip() for f in contents.splitlines()
if not f.startswith("#")]
if lines == known_contents:
util.del_file(path)
msg = "removed %s with known contents" % path
else:
msg = (bmsg + " '%s' exists with user configured content." % path)
except Exception:
msg = bmsg + " %s exists, but could not be read." % path
LOG.warning(msg)
def read_system_locale(sys_path=LOCALE_CONF_FN, keyname='LANG'):
"""Read system default locale setting, if present"""
sys_val = ""
if not sys_path:
raise ValueError('Invalid path: %s' % sys_path)
if os.path.exists(sys_path):
locale_content = util.load_file(sys_path)
sys_defaults = util.load_shell_content(locale_content)
sys_val = sys_defaults.get(keyname, "")
return sys_val
def update_locale_conf(locale, sys_path, keyname='LANG'):
"""Update system locale config"""
LOG.debug('Updating %s with locale setting %s=%s',
sys_path, keyname, locale)
util.subp(
['update-locale', '--locale-file=' + sys_path,
'%s=%s' % (keyname, locale)], capture=False)
def regenerate_locale(locale, sys_path, keyname='LANG'):
"""
Run locale-gen for the provided locale and set the default
system variable `keyname` appropriately in the provided `sys_path`.
"""
# special case for locales which do not require regen
# % locale -a
# C
# C.UTF-8
# POSIX
if locale.lower() in ['c', 'c.utf-8', 'posix']:
LOG.debug('%s=%s does not require rengeneration', keyname, locale)
return
# finally, trigger regeneration
LOG.debug('Generating locales for %s', locale)
util.subp(['locale-gen', locale], capture=False)
# vi: ts=4 expandtab
| .. | |||||
| __pycache__ | |||||
| parsers | |||||
| __init__.py | |||||
| amazon.py | |||||
| arch.py | |||||
| bsd.py | |||||
| bsd_utils.py | |||||
| centos.py | |||||
| debian.py | |||||
| fedora.py | |||||
| freebsd.py | |||||
| gentoo.py | |||||
| net_util.py | |||||
| netbsd.py | |||||
| openbsd.py | |||||
| opensuse.py | |||||
| rhel.py | |||||
| rhel_util.py | |||||
| sles.py | |||||
| ubuntu.py | |||||
| ug_util.py |