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#!/usr/bin/python
# vi: ts=4 expandtab
#
# Copyright (C) 2012 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import argparse
import os
import traceback
import sys
# This is more just for running from the bin folder
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(
sys.argv[0]), os.pardir, os.pardir))
if os.path.exists(os.path.join(possible_topdir, "cloudinit", "__init__.py")):
sys.path.insert(0, possible_topdir)
from cloudinit import log as logging
from cloudinit import netinfo
from cloudinit import settings
from cloudinit import sources
from cloudinit import stages
from cloudinit import util
from cloudinit import version
# Things u can query on
QUERY_DATA_TYPES = [
'data',
'data_raw',
'instance_id',
]
LOG = logging.getLogger(__name__)
def read_write_cmdline_url(target_fn):
if not os.path.exists(target_fn):
try:
(key, url, content) = util.get_cmdline_url()
except:
util.logexc(LOG, "Failed fetching command line url")
return
try:
if key and content:
util.write_file(target_fn, content, mode=0600)
LOG.info(("Wrote to %s with contents of command line"
" url %s (len=%s)"), target_fn, url, len(content))
elif key and not content:
LOG.info(("Command line key %s with url"
" %s had no contents"), key, url)
except:
util.logexc(LOG, "Failed writing url content to %s", target_fn)
def main_init(args):
deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK]
if args.local:
deps = [sources.DEP_FILESYSTEM]
cfg_path = None
if args.file:
# Already opened so lets just pass that along
# since it would of broke if it couldn't have
# read that file
cfg_path = str(args.file.name)
if not args.local:
# What is this for??
root_name = "%s.d" % (settings.CLOUD_CONFIG)
target_fn = os.path.join(root_name, "91_kernel_cmdline_url.cfg")
read_write_cmdline_url(target_fn)
# Cloud-init 'init' stage is broken up into the following stages
# 1. Ensure that the init object fetches its config without errors
# 2. Setup logging/output redirections with resultant config (if any)
# 3. Initialize the cloud-init filesystem
# 4. Check if we can stop early by looking for various files
# 5. Fetch the datasource
# 6. Consume the userdata (handlers get activated here)
# 7. Adjust any subsequent logging/output redirections
# 8. Run the transforms for the 'init' stage
# 9. Done!
now = util.time_rfc2822()
uptime = util.uptime()
init = stages.Init(deps)
# Stage 1
init.read_cfg()
# Stage 2
try:
util.fixup_output(init.cfg, 'init')
except:
util.logexc(LOG, "Failed to setup output redirection")
if args.debug:
# Reset so that all the debug handlers are closed out
LOG.debug("Logging being reset, this logger may no longer be active shortly")
logging.resetLogging()
logging.setupLogging(init.cfg)
# Stage 3
try:
init.initialize()
except Exception as e:
util.logexc(LOG, "Failed to initialize, likely bad things to come: %s", e)
# Stage 4
path_helper = init.paths
if not args.local:
nonet_path = "%s/%s" % (cloudinit.get_cpath("data"), "no-net")
def main_config(args):
pass
def main_final(args):
pass
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--version', '-v', action='version',
version='%(prog)s ' + (version.version_string()))
parser.add_argument('--file', '-f', action='store',
help='additional configuration file to include',
type=argparse.FileType('rb'))
parser.add_argument('--debug', '-d', action='store_true',
help='show additional pre-action logging',
default=False)
subparsers = parser.add_subparsers()
# Each action and its suboptions (if any)
parser_init = subparsers.add_parser('init', help='initializes cloud-init and performs \'init\' transforms')
parser_init.add_argument("--local", '-l', action='store_true',
help="start in local mode", default=False)
parser_init.set_defaults(action='init') # This is used so that we can know which action is selected
parser_config = subparsers.add_parser('config', help='performs cloud-init \'config\' transforms')
parser_config.set_defaults(action='config')
parser_final = subparsers.add_parser('final', help='performs cloud-init \'final\' transforms')
parser_final.set_defaults(action='final')
parser_query = subparsers.add_parser('query', help='query information stored in cloud-init')
parser_query.add_argument("--name", action="store",
help="item name to query on",
required=True,
choices=QUERY_DATA_TYPES)
parser_query.set_defaults(action='query')
args = parser.parse_args()
# Setup basic logging to start (until reinitialized)
if args.debug:
logging.setupBasicLogging()
stage_name = args.action
stage_mp = {
'init': main_init,
'config': main_config,
'final': main_final,
}
func = stage_mp.get(stage_name)
return func(args)
if __name__ == '__main__':
sys.exit(main())
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