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# Copyright (C) 2021 Canonical Ltd.
#
# This file is part of cloud-init. See LICENSE file for license information.
"""Write Files Deferred: Defer writing certain files"""
from logging import Logger
from cloudinit import util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.cc_write_files import DEFAULT_DEFER, write_files
from cloudinit.config.schema import MetaSchema
from cloudinit.distros import ALL_DISTROS
from cloudinit.settings import PER_INSTANCE
MODULE_DESCRIPTION = """\
This module is based on `'Write Files' <write-files>`__, and
will handle all files from the write_files list, that have been
marked as deferred and thus are not being processed by the
write-files module.
*Please note that his module is not exposed to the user through
its own dedicated top-level directive.*
"""
meta: MetaSchema = {
"id": "cc_write_files_deferred",
"name": "Write Files Deferred",
"title": "Defer writing certain files",
"description": __doc__,
"distros": [ALL_DISTROS],
"frequency": PER_INSTANCE,
"examples": [],
"activate_by_schema_keys": ["write_files"],
}
# This module is undocumented in our schema docs
__doc__ = ""
def handle(
name: str, cfg: Config, cloud: Cloud, log: Logger, args: list
) -> None:
file_list = cfg.get("write_files", [])
filtered_files = [
f
for f in file_list
if util.get_cfg_option_bool(f, "defer", DEFAULT_DEFER)
]
if not filtered_files:
log.debug(
"Skipping module named %s,"
" no deferred file defined in configuration",
name,
)
return
write_files(name, filtered_files, cloud.distro.default_owner)
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