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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
from cloudinit import helpers
from cloudinit import util
PUBCERT_FILE = "/etc/mcollective/ssl/server-public.pem"
PRICERT_FILE = "/etc/mcollective/ssl/server-private.pem"
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 transform 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:
# Create object for reading server.cfg values
mcollective_config = helpers.DefaultingConfigParser()
# Read server.cfg values from original file in order to be able to mix
# the rest up
server_cfg_fn = cloud.paths.join(True, '/etc/mcollective/server.cfg')
old_contents = util.load_file(server_cfg_fn)
# It doesn't contain any sections so just add one temporarily
# Use a hash id based off the contents,
# just incase of conflicts... (try to not have any...)
# This is so that an error won't occur when reading (and no
# sections exist in the file)
section_tpl = "[nullsection_%s]"
attempts = 0
section_head = section_tpl % (attempts)
while old_contents.find(section_head) != -1:
attempts += 1
section_head = section_tpl % (attempts)
sectioned_contents = "%s\n%s" % (section_head, old_contents)
mcollective_config.readfp(StringIO(sectioned_contents),
filename=server_cfg_fn)
for (cfg_name, cfg) in mcollective_cfg['conf'].iteritems():
if cfg_name == 'public-cert':
pubcert_fn = cloud.paths.join(True, PUBCERT_FILE)
util.write_file(pubcert_fn, cfg, mode=0644)
mcollective_config.set(cfg_name,
'plugin.ssl_server_public', pubcert_fn)
mcollective_config.set(cfg_name, 'securityprovider', 'ssl')
elif cfg_name == 'private-cert':
pricert_fn = cloud.paths.join(True, PRICERT_FILE)
util.write_file(pricert_fn, cfg, mode=0600)
mcollective_config.set(cfg_name,
'plugin.ssl_server_private', pricert_fn)
mcollective_config.set(cfg_name, 'securityprovider', 'ssl')
else:
# Iterate throug the config items, we'll use ConfigParser.set
# to overwrite or create new items as needed
for (o, v) in cfg.iteritems():
mcollective_config.set(cfg_name, o, v)
# We got all our config as wanted we'll rename
# the previous server.cfg and create our new one
old_fn = cloud.paths.join(False, '/etc/mcollective/server.cfg.old')
util.rename(server_cfg_fn, old_fn)
# Now we got the whole file, write to disk except the section
# we added so that config parser won't error out when trying to read.
# Note below, that we've just used ConfigParser because it generally
# works. Below, we remove the initial 'nullsection' header.
contents = mcollective_config.stringify()
contents = contents.replace("%s\n" % (section_head), "")
server_cfg_rw = cloud.paths.join(False, '/etc/mcollective/server.cfg')
util.write_file(server_cfg_rw, contents, mode=0644)
# Start mcollective
util.subp(['service', 'mcollective', 'start'], capture=False)
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