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# Copyright (C) 2009-2011 Canonical Ltd.
# Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Chad Smith <chad.smith@canonical.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
"""Bootcmd: run arbitrary commands early in the boot process."""
import logging
from cloudinit import signal_handler, subp, temp_utils, util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema
from cloudinit.settings import PER_ALWAYS
LOG = logging.getLogger(__name__)
frequency = PER_ALWAYS
meta: MetaSchema = {
"id": "cc_bootcmd",
"distros": ["all"],
"frequency": PER_ALWAYS,
"activate_by_schema_keys": ["bootcmd"],
}
def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
if "bootcmd" not in cfg:
LOG.debug(
"Skipping module named %s, no 'bootcmd' key in configuration", name
)
return
with temp_utils.ExtendedTemporaryFile(suffix=".sh") as tmpf:
try:
content = util.shellify(cfg["bootcmd"])
tmpf.write(util.encode_text(content))
tmpf.flush()
except Exception as e:
util.logexc(LOG, "Failed to shellify bootcmd: %s", str(e))
raise
try:
iid = cloud.get_instance_id()
env = {"INSTANCE_ID": str(iid)} if iid else {}
with signal_handler.suspend_crash():
subp.subp(
["/bin/sh", tmpf.name], update_env=env, capture=False
)
except Exception:
util.logexc(LOG, "Failed to run bootcmd module %s", name)
raise
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