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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.
"""
Final Message
-------------
**Summary:** output final message when cloud-init has finished
This module configures the final message that cloud-init writes. The message is
specified as a jinja template with the following variables set:
- ``version``: cloud-init version
- ``timestamp``: time at cloud-init finish
- ``datasource``: cloud-init data source
- ``uptime``: system uptime
**Internal name:** ``cc_final_message``
**Module frequency:** always
**Supported distros:** all
**Config keys**::
final_message: <message>
"""
from cloudinit import templater
from cloudinit import util
from cloudinit import version
from cloudinit.settings import PER_ALWAYS
frequency = PER_ALWAYS
# Jinja formated default message
FINAL_MESSAGE_DEF = (
"## template: jinja\n"
"Cloud-init v. {{version}} finished at {{timestamp}}."
" Datasource {{datasource}}. Up {{uptime}} seconds"
)
def handle(_name, cfg, cloud, log, args):
msg_in = ''
if len(args) != 0:
msg_in = str(args[0])
else:
msg_in = util.get_cfg_option_str(cfg, "final_message", "")
msg_in = msg_in.strip()
if not msg_in:
msg_in = FINAL_MESSAGE_DEF
uptime = util.uptime()
ts = util.time_rfc2822()
cver = version.version_string()
try:
subs = {
'uptime': uptime,
'timestamp': ts,
'version': cver,
'datasource': str(cloud.datasource),
}
subs.update(dict([(k.upper(), v) for k, v in subs.items()]))
util.multi_log("%s\n" % (templater.render_string(msg_in, subs)),
console=False, stderr=True, log=log)
except Exception:
util.logexc(log, "Failed to render final message template")
boot_fin_fn = cloud.paths.boot_finished
try:
contents = "%s - %s - v. %s\n" % (uptime, ts, cver)
util.write_file(boot_fin_fn, contents, ensure_dir_exists=False)
except Exception:
util.logexc(log, "Failed to write boot finished file %s", boot_fin_fn)
if cloud.datasource.is_disconnected:
log.warning("Used fallback datasource")
# vi: ts=4 expandtab
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