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# Copyright (C) 2011 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
"""
Scripts Per Once
----------------
**Summary:** run one time scripts
Any scripts in the ``scripts/per-once`` directory on the datasource will be run
only once. Changes to the instance will not force a re-run. The only way to
re-run these scripts is to run the clean subcommand and reboot. Scripts will
be run in alphabetical order. This module does not accept any config keys.
**Internal name:** ``cc_scripts_per_once``
**Module frequency:** per once
**Supported distros:** all
"""
import os
from cloudinit import subp
from cloudinit.settings import PER_ONCE
frequency = PER_ONCE
SCRIPT_SUBDIR = "per-once"
def handle(name, _cfg, cloud, log, _args):
# Comes from the following:
# https://forums.aws.amazon.com/thread.jspa?threadID=96918
runparts_path = os.path.join(cloud.get_cpath(), "scripts", SCRIPT_SUBDIR)
try:
subp.runparts(runparts_path)
except Exception:
log.warning(
"Failed to run module %s (%s in %s)",
name,
SCRIPT_SUBDIR,
runparts_path,
)
raise
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