111 lines
4.6 KiB
Python
111 lines
4.6 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2009-2010 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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# Author: Juerg Haefliger <juerg.haefliger@hp.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from StringIO import StringIO
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import os
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import socket
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from cloudinit import helpers
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from cloudinit import util
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PUPPET_CONF_PATH = '/etc/puppet/puppet.conf'
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PUPPET_SSL_CERT_DIR = '/var/lib/puppet/ssl/certs/'
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PUPPET_SSL_DIR = '/var/lib/puppet/ssl'
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PUPPET_SSL_CERT_PATH = '/var/lib/puppet/ssl/certs/ca.pem'
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def _autostart_puppet(log):
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# Set puppet to automatically start
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if os.path.exists('/etc/default/puppet'):
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util.subp(['sed', '-i',
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'-e', 's/^START=.*/START=yes/',
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'/etc/default/puppet'], capture=False)
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elif os.path.exists('/bin/systemctl'):
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util.subp(['/bin/systemctl', 'enable', 'puppet.service'],
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capture=False)
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elif os.path.exists('/sbin/chkconfig'):
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util.subp(['/sbin/chkconfig', 'puppet', 'on'], capture=False)
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else:
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log.warn(("Sorry we do not know how to enable"
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" puppet services on this system"))
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def handle(name, cfg, cloud, log, _args):
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# If there isn't a puppet key in the configuration don't do anything
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if 'puppet' not in cfg:
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log.debug(("Skipping module named %s,"
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" no 'puppet' configuration found"), name)
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return
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puppet_cfg = cfg['puppet']
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# Start by installing the puppet package ...
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cloud.distro.install_packages(["puppet"])
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# ... and then update the puppet configuration
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if 'conf' in puppet_cfg:
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# Add all sections from the conf object to puppet.conf
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contents = util.load_file(PUPPET_CONF_PATH)
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# Create object for reading puppet.conf values
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puppet_config = helpers.DefaultingConfigParser()
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# Read puppet.conf values from original file in order to be able to
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# mix the rest up. First clean them up
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# (TODO(harlowja) is this really needed??)
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cleaned_lines = [i.lstrip() for i in contents.splitlines()]
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cleaned_contents = '\n'.join(cleaned_lines)
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puppet_config.readfp(StringIO(cleaned_contents),
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filename=PUPPET_CONF_PATH)
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for (cfg_name, cfg) in puppet_cfg['conf'].iteritems():
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# Cert configuration is a special case
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# Dump the puppet master ca certificate in the correct place
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if cfg_name == 'ca_cert':
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# Puppet ssl sub-directory isn't created yet
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# Create it with the proper permissions and ownership
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util.ensure_dir(PUPPET_SSL_DIR, 0771)
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util.chownbyname(PUPPET_SSL_DIR, 'puppet', 'root')
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util.ensure_dir(PUPPET_SSL_CERT_DIR)
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util.chownbyname(PUPPET_SSL_CERT_DIR, 'puppet', 'root')
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util.write_file(PUPPET_SSL_CERT_PATH, str(cfg))
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util.chownbyname(PUPPET_SSL_CERT_PATH, 'puppet', 'root')
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else:
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# Iterate throug the config items, we'll use ConfigParser.set
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# to overwrite or create new items as needed
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for (o, v) in cfg.iteritems():
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if o == 'certname':
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# Expand %f as the fqdn
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# TODO(harlowja) should this use the cloud fqdn??
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v = v.replace("%f", socket.getfqdn())
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# Expand %i as the instance id
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v = v.replace("%i", cloud.get_instance_id())
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# certname needs to be downcased
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v = v.lower()
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puppet_config.set(cfg_name, o, v)
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# We got all our config as wanted we'll rename
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# the previous puppet.conf and create our new one
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util.rename(PUPPET_CONF_PATH, "%s.old" % (PUPPET_CONF_PATH))
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util.write_file(PUPPET_CONF_PATH, puppet_config.stringify())
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# Set it up so it autostarts
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_autostart_puppet(log)
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# Start puppetd
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util.subp(['service', 'puppet', 'start'], capture=False)
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