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# Copyright (C) 2012 Canonical Ltd.
#
# Author: Ben Howard <ben.howard@canonical.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
"""Users and Groups: Configure users and groups"""
import logging
from cloudinit.cloud import Cloud
# Ensure this is aliased to a name not 'distros'
# since the module attribute 'distros'
# is a list of distros that are supported, not a sub-module
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema
from cloudinit.distros import ug_util
from cloudinit.settings import PER_INSTANCE
meta: MetaSchema = {
"id": "cc_users_groups",
"distros": ["all"],
"frequency": PER_INSTANCE,
"activate_by_schema_keys": [],
} # type: ignore
LOG = logging.getLogger(__name__)
# NO_HOME and NEED_HOME are mutually exclusive options
NO_HOME = ("no_create_home", "system")
NEED_HOME = ("ssh_authorized_keys", "ssh_import_id", "ssh_redirect_user")
def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
(users, groups) = ug_util.normalize_users_groups(cfg, cloud.distro)
(default_user, _user_config) = ug_util.extract_default(users)
cloud_keys = cloud.get_public_ssh_keys() or []
for name, members in groups.items():
cloud.distro.create_group(name, members)
for user, config in users.items():
no_home = [key for key in NO_HOME if config.get(key)]
need_home = [key for key in NEED_HOME if config.get(key)]
if no_home and need_home:
raise ValueError(
f"Not creating user {user}. Key(s) {', '.join(need_home)}"
f" cannot be provided with {', '.join(no_home)}"
)
ssh_redirect_user = config.pop("ssh_redirect_user", False)
if ssh_redirect_user:
if "ssh_authorized_keys" in config or "ssh_import_id" in config:
raise ValueError(
"Not creating user %s. ssh_redirect_user cannot be"
" provided with ssh_import_id or ssh_authorized_keys"
% user
)
if ssh_redirect_user not in (True, "default"):
raise ValueError(
"Not creating user %s. Invalid value of"
" ssh_redirect_user: %s. Expected values: true, default"
" or false." % (user, ssh_redirect_user)
)
if default_user is None:
LOG.warning(
"Ignoring ssh_redirect_user: %s for %s."
" No default_user defined."
" Perhaps missing cloud configuration users: "
" [default, ..].",
ssh_redirect_user,
user,
)
else:
config["ssh_redirect_user"] = default_user
config["cloud_public_ssh_keys"] = cloud_keys
cloud.distro.create_user(user, **config)