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# Copyright (C) 2021 Canonical Ltd.
#
# This file is part of cloud-init. See LICENSE file for license information.
"""Defer writing certain files"""
from cloudinit import util
from cloudinit.config.cc_write_files import DEFAULT_DEFER
from cloudinit.config.cc_write_files import schema as write_files_schema
from cloudinit.config.cc_write_files import write_files
from cloudinit.config.schema import validate_cloudconfig_schema
# meta is not used in this module, but it remains as code documentation
#
# id: cc_write_files_deferred'
# name: 'Write Deferred Files
# distros: ['all'],
# frequency: PER_INSTANCE,
# title:
# write certain files, whose creation as been deferred, during
# final stage
# 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.*
schema = write_files_schema
# Not exposed, because related modules should document this behaviour
__doc__ = None
def handle(name, cfg, _cloud, log, _args):
validate_cloudconfig_schema(cfg, schema)
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)
# vi: ts=4 expandtab
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