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# vi: ts=4 expandtab
#
# 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 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 os
from StringIO import StringIO
from configobj import ConfigObj
from cloudinit import type_utils
from cloudinit import util
from cloudinit.settings import PER_INSTANCE
frequency = PER_INSTANCE
LSC_CLIENT_CFG_FILE = "/etc/landscape/client.conf"
LS_DEFAULT_FILE = "/etc/default/landscape-client"
distros = ['ubuntu']
# defaults taken from stock client.conf in landscape-client 11.07.1.1-0ubuntu2
LSC_BUILTIN_CFG = {
'client': {
'log_level': "info",
'url': "https://landscape.canonical.com/message-system",
'ping_url': "http://landscape.canonical.com/ping",
'data_path': "/var/lib/landscape/client",
}
}
def handle(_name, cfg, cloud, log, _args):
"""
Basically turn a top level 'landscape' entry with a 'client' dict
and render it to ConfigObj format under '[client]' section in
/etc/landscape/client.conf
"""
ls_cloudcfg = cfg.get("landscape", {})
if not isinstance(ls_cloudcfg, (dict)):
raise RuntimeError(("'landscape' key existed in config,"
" but not a dictionary type,"
" is a %s instead"), type_utils.obj_name(ls_cloudcfg))
if not ls_cloudcfg:
return
cloud.distro.install_packages(('landscape-client',))
merge_data = [
LSC_BUILTIN_CFG,
LSC_CLIENT_CFG_FILE,
ls_cloudcfg,
]
merged = merge_together(merge_data)
contents = StringIO()
merged.write(contents)
util.ensure_dir(os.path.dirname(LSC_CLIENT_CFG_FILE))
util.write_file(LSC_CLIENT_CFG_FILE, contents.getvalue())
log.debug("Wrote landscape config file to %s", LSC_CLIENT_CFG_FILE)
util.write_file(LS_DEFAULT_FILE, "RUN=1\n")
util.subp(["service", "landscape-client", "restart"])
def merge_together(objs):
"""
merge together ConfigObj objects or things that ConfigObj() will take in
later entries override earlier
"""
cfg = ConfigObj({})
for obj in objs:
if not obj:
continue
if isinstance(obj, ConfigObj):
cfg.merge(obj)
else:
cfg.merge(ConfigObj(obj))
return cfg
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