summaryrefslogtreecommitdiff
path: root/cloudinit/CloudConfig/cc_landscape.py
blob: d2d2bd192e4289a8f846cec1716656cf2e4dd454 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# vi: ts=4 expandtab
#
#    Copyright (C) 2011 Canonical Ltd.
#
#    Author: Scott Moser <scott.moser@canonical.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/>.
from cloudinit.CloudConfig import per_instance
from configobj import ConfigObj

frequency = per_instance

lsc_client_cfg_file = "/etc/landscape/client.conf"

# defaults taken from stock client.conf in landscape-client 11.07.1.1-0ubuntu2
lsc_builtincfg = { 
  '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(Exception("'landscape' existed in config, but not a dict"))

    merged = mergeTogether([lsc_builtincfg, lsc_client_cfg_file, ls_cloudcfg])

    with open(lsc_client_cfg_file, "w") as fp:
        merged.write(fp)

    log.debug("updated %s" % lsc_client_cfg_file)

def mergeTogether(objs):
    """
    merge together ConfigObj objects or things that ConfigObj() will take in
    later entries override earlier
    """
    cfg = ConfigObj({})
    for obj in objs:
        if isinstance(obj, ConfigObj):
            cfg.merge(obj)
        else:
            cfg.merge(ConfigObj(obj))
    return cfg