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# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 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/>.
from StringIO import StringIO
import os
import socket
from cloudinit import helpers
from cloudinit import util
PUPPET_CONF_PATH = '/etc/puppet/puppet.conf'
PUPPET_SSL_CERT_DIR = '/var/lib/puppet/ssl/certs/'
PUPPET_SSL_DIR = '/var/lib/puppet/ssl'
PUPPET_SSL_CERT_PATH = '/var/lib/puppet/ssl/certs/ca.pem'
def _autostart_puppet(log):
# Set puppet to automatically start
if os.path.exists('/etc/default/puppet'):
util.subp(['sed', '-i',
'-e', 's/^START=.*/START=yes/',
'/etc/default/puppet'], capture=False)
elif os.path.exists('/bin/systemctl'):
util.subp(['/bin/systemctl', 'enable', 'puppet.service'],
capture=False)
elif os.path.exists('/sbin/chkconfig'):
util.subp(['/sbin/chkconfig', 'puppet', 'on'], capture=False)
else:
log.warn(("Sorry we do not know how to enable"
" puppet services on this system"))
def handle(name, cfg, cloud, log, _args):
# If there isn't a puppet key in the configuration don't do anything
if 'puppet' not in cfg:
log.debug(("Skipping module named %s,"
" no 'puppet' configuration found"), name)
return
puppet_cfg = cfg['puppet']
# Start by installing the puppet package if necessary...
install = util.get_cfg_option_bool(puppet_cfg, 'install', True)
if install:
cloud.distro.install_packages(["puppet"])
# ... and then update the puppet configuration
if 'conf' in puppet_cfg:
# Add all sections from the conf object to puppet.conf
contents = util.load_file(PUPPET_CONF_PATH)
# Create object for reading puppet.conf values
puppet_config = helpers.DefaultingConfigParser()
# Read puppet.conf values from original file in order to be able to
# mix the rest up. First clean them up
# (TODO(harlowja) is this really needed??)
cleaned_lines = [i.lstrip() for i in contents.splitlines()]
cleaned_contents = '\n'.join(cleaned_lines)
puppet_config.readfp(StringIO(cleaned_contents),
filename=PUPPET_CONF_PATH)
for (cfg_name, cfg) in puppet_cfg['conf'].iteritems():
# Cert configuration is a special case
# Dump the puppet master ca certificate in the correct place
if cfg_name == 'ca_cert':
# Puppet ssl sub-directory isn't created yet
# Create it with the proper permissions and ownership
util.ensure_dir(PUPPET_SSL_DIR, 0771)
util.chownbyname(PUPPET_SSL_DIR, 'puppet', 'root')
util.ensure_dir(PUPPET_SSL_CERT_DIR)
util.chownbyname(PUPPET_SSL_CERT_DIR, 'puppet', 'root')
util.write_file(PUPPET_SSL_CERT_PATH, str(cfg))
util.chownbyname(PUPPET_SSL_CERT_PATH, 'puppet', 'root')
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():
if o == 'certname':
# Expand %f as the fqdn
# TODO(harlowja) should this use the cloud fqdn??
v = v.replace("%f", socket.getfqdn())
# Expand %i as the instance id
v = v.replace("%i", cloud.get_instance_id())
# certname needs to be downcased
v = v.lower()
puppet_config.set(cfg_name, o, v)
# We got all our config as wanted we'll rename
# the previous puppet.conf and create our new one
util.rename(PUPPET_CONF_PATH, "%s.old" % (PUPPET_CONF_PATH))
util.write_file(PUPPET_CONF_PATH, puppet_config.stringify())
# Set it up so it autostarts
_autostart_puppet(log)
# Start puppetd
util.subp(['service', 'puppet', 'start'], capture=False)
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