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# Copyright (C) 2014 Harm Weites
#
# Author: Harm Weites <harm@weites.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
import os
import re
from io import StringIO
import cloudinit.distros.bsd
from cloudinit import log as logging
from cloudinit import subp, util
from cloudinit.distros.networking import FreeBSDNetworking
from cloudinit.settings import PER_INSTANCE
LOG = logging.getLogger(__name__)
class Distro(cloudinit.distros.bsd.BSD):
"""
Distro subclass for FreeBSD.
(N.B. DragonFlyBSD inherits from this class.)
"""
networking_cls = FreeBSDNetworking
usr_lib_exec = "/usr/local/lib"
login_conf_fn = "/etc/login.conf"
login_conf_fn_bak = "/etc/login.conf.orig"
ci_sudoers_fn = "/usr/local/etc/sudoers.d/90-cloud-init-users"
group_add_cmd_prefix = ["pw", "group", "add"]
pkg_cmd_install_prefix = ["pkg", "install"]
pkg_cmd_remove_prefix = ["pkg", "remove"]
pkg_cmd_update_prefix = ["pkg", "update"]
pkg_cmd_upgrade_prefix = ["pkg", "upgrade"]
prefer_fqdn = True # See rc.conf(5) in FreeBSD
home_dir = "/usr/home"
def manage_service(self, action: str, service: str):
"""
Perform the requested action on a service. This handles FreeBSD's
'service' case. The FreeBSD 'service' is closer in features to
'systemctl' than SysV init's 'service', so we override it.
May raise ProcessExecutionError
"""
init_cmd = self.init_cmd
cmds = {
"stop": [service, "stop"],
"start": [service, "start"],
"enable": [service, "enable"],
"disable": [service, "disable"],
"restart": [service, "restart"],
"reload": [service, "restart"],
"try-reload": [service, "restart"],
"status": [service, "status"],
}
cmd = list(init_cmd) + list(cmds[action])
return subp.subp(cmd, capture=True)
def _get_add_member_to_group_cmd(self, member_name, group_name):
return ["pw", "usermod", "-n", member_name, "-G", group_name]
def add_user(self, name, **kwargs):
if util.is_user(name):
LOG.info("User %s already exists, skipping.", name)
return False
pw_useradd_cmd = ["pw", "useradd", "-n", name]
log_pw_useradd_cmd = ["pw", "useradd", "-n", name]
pw_useradd_opts = {
"homedir": "-d",
"gecos": "-c",
"primary_group": "-g",
"groups": "-G",
"shell": "-s",
"inactive": "-E",
"uid": "-u",
}
pw_useradd_flags = {
"no_user_group": "--no-user-group",
"system": "--system",
"no_log_init": "--no-log-init",
}
for key, val in kwargs.items():
if key in pw_useradd_opts and val and isinstance(val, (str, int)):
pw_useradd_cmd.extend([pw_useradd_opts[key], str(val)])
elif key in pw_useradd_flags and val:
pw_useradd_cmd.append(pw_useradd_flags[key])
log_pw_useradd_cmd.append(pw_useradd_flags[key])
if "no_create_home" in kwargs or "system" in kwargs:
pw_useradd_cmd.append("-d/nonexistent")
log_pw_useradd_cmd.append("-d/nonexistent")
else:
pw_useradd_cmd.append(
"-d{home_dir}/{name}".format(home_dir=self.home_dir, name=name)
)
pw_useradd_cmd.append("-m")
log_pw_useradd_cmd.append(
"-d{home_dir}/{name}".format(home_dir=self.home_dir, name=name)
)
log_pw_useradd_cmd.append("-m")
# Run the command
LOG.info("Adding user %s", name)
try:
subp.subp(pw_useradd_cmd, logstring=log_pw_useradd_cmd)
except Exception:
util.logexc(LOG, "Failed to create user %s", name)
raise
# Set the password if it is provided
# For security consideration, only hashed passwd is assumed
passwd_val = kwargs.get("passwd", None)
if passwd_val is not None:
self.set_passwd(name, passwd_val, hashed=True)
def expire_passwd(self, user):
try:
subp.subp(["pw", "usermod", user, "-p", "01-Jan-1970"])
except Exception:
util.logexc(LOG, "Failed to set pw expiration for %s", user)
raise
def set_passwd(self, user, passwd, hashed=False):
if hashed:
hash_opt = "-H"
else:
hash_opt = "-h"
try:
subp.subp(
["pw", "usermod", user, hash_opt, "0"],
data=passwd,
logstring="chpasswd for %s" % user,
)
except Exception:
util.logexc(LOG, "Failed to set password for %s", user)
raise
def lock_passwd(self, name):
try:
subp.subp(["pw", "usermod", name, "-h", "-"])
except Exception:
util.logexc(LOG, "Failed to lock user %s", name)
raise
def apply_locale(self, locale, out_fn=None):
# Adjust the locales value to the new value
newconf = StringIO()
for line in util.load_file(self.login_conf_fn).splitlines():
newconf.write(
re.sub(r"^default:", r"default:lang=%s:" % locale, line)
)
newconf.write("\n")
# Make a backup of login.conf.
util.copy(self.login_conf_fn, self.login_conf_fn_bak)
# And write the new login.conf.
util.write_file(self.login_conf_fn, newconf.getvalue())
try:
LOG.debug("Running cap_mkdb for %s", locale)
subp.subp(["cap_mkdb", self.login_conf_fn])
except subp.ProcessExecutionError:
# cap_mkdb failed, so restore the backup.
util.logexc(LOG, "Failed to apply locale %s", locale)
try:
util.copy(self.login_conf_fn_bak, self.login_conf_fn)
except IOError:
util.logexc(
LOG, "Failed to restore %s backup", self.login_conf_fn
)
def _get_pkg_cmd_environ(self):
"""Return environment vars used in FreeBSD package_command
operations"""
e = os.environ.copy()
e["ASSUME_ALWAYS_YES"] = "YES"
return e
def update_package_sources(self):
self._runner.run(
"update-sources",
self.package_command,
["update"],
freq=PER_INSTANCE,
)
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