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path: root/cloudinit/config/cc_mcollective.py
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# vi: ts=4 expandtab
#
#    Copyright (C) 2009-2011 Canonical Ltd.
#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
#    Author: Marc Cluet <marc.cluet@canonical.com>
#    Based on code by 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/>.

from StringIO import StringIO

# Used since this can maintain comments
# and doesn't need a top level section
from configobj import ConfigObj

from cloudinit import util

PUBCERT_FILE = "/etc/mcollective/ssl/server-public.pem"
PRICERT_FILE = "/etc/mcollective/ssl/server-private.pem"
SERVER_CFG = '/etc/mcollective/server.cfg'


def handle(name, cfg, cloud, log, _args):

    # If there isn't a mcollective key in the configuration don't do anything
    if 'mcollective' not in cfg:
        log.debug(("Skipping module named %s, "
                   "no 'mcollective' key in configuration"), name)
        return

    mcollective_cfg = cfg['mcollective']

    # Start by installing the mcollective package ...
    cloud.distro.install_packages(("mcollective",))

    # ... and then update the mcollective configuration
    if 'conf' in mcollective_cfg:
        # Read server.cfg values from the
        # original file in order to be able to mix the rest up
        mcollective_config = ConfigObj(SERVER_CFG)
        # See: http://tiny.cc/jh9agw
        for (cfg_name, cfg) in mcollective_cfg['conf'].iteritems():
            if cfg_name == 'public-cert':
                util.write_file(PUBCERT_FILE, cfg, mode=0644)
                mcollective_config['plugin.ssl_server_public'] = PUBCERT_FILE
                mcollective_config['securityprovider'] = 'ssl'
            elif cfg_name == 'private-cert':
                util.write_file(PRICERT_FILE, cfg, mode=0600)
                mcollective_config['plugin.ssl_server_private'] = PRICERT_FILE
                mcollective_config['securityprovider'] = 'ssl'
            else:
                if isinstance(cfg, (basestring, str)):
                    # Just set it in the 'main' section
                    mcollective_config[cfg_name] = cfg
                elif isinstance(cfg, (dict)):
                    # Iterate through the config items, create a section
                    # if it is needed and then add/or create items as needed
                    if cfg_name not in mcollective_config.sections:
                        mcollective_config[cfg_name] = {}
                    for (o, v) in cfg.iteritems():
                        mcollective_config[cfg_name][o] = v
                else:
                    # Otherwise just try to convert it to a string
                    mcollective_config[cfg_name] = str(cfg)
        # We got all our config as wanted we'll rename
        # the previous server.cfg and create our new one
        util.rename(SERVER_CFG, "%s.old" % (SERVER_CFG))
        # Now we got the whole file, write to disk...
        contents = StringIO()
        mcollective_config.write(contents)
        contents = contents.getvalue()
        util.write_file(SERVER_CFG, contents, mode=0644)

    # Start mcollective
    util.subp(['service', 'mcollective', 'start'], capture=False)