98 lines
4.4 KiB
Python
98 lines
4.4 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2009-2011 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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#
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# Author: Marc Cluet <marc.cluet@canonical.com>
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# Based on code by 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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from cloudinit import helpers
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from cloudinit import util
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PUBCERT_FILE = "/etc/mcollective/ssl/server-public.pem"
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PRICERT_FILE = "/etc/mcollective/ssl/server-private.pem"
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def handle(name, cfg, cloud, log, _args):
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# If there isn't a mcollective key in the configuration don't do anything
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if 'mcollective' not in cfg:
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log.debug(("Skipping transform named %s, "
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"no 'mcollective' key in configuration"), name)
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return
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mcollective_cfg = cfg['mcollective']
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# Start by installing the mcollective package ...
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cloud.distro.install_packages(("mcollective",))
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# ... and then update the mcollective configuration
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if 'conf' in mcollective_cfg:
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# Create object for reading server.cfg values
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mcollective_config = helpers.DefaultingConfigParser()
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# Read server.cfg values from original file in order to be able to mix
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# the rest up
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server_cfg_fn = cloud.paths.join(True, '/etc/mcollective/server.cfg')
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old_contents = util.load_file(server_cfg_fn)
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# It doesn't contain any sections so just add one temporarily
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# Use a hash id based off the contents,
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# just incase of conflicts... (try to not have any...)
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# This is so that an error won't occur when reading (and no
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# sections exist in the file)
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section_tpl = "[nullsection_%s]"
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attempts = 0
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section_head = section_tpl % (attempts)
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while old_contents.find(section_head) != -1:
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attempts += 1
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section_head = section_tpl % (attempts)
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sectioned_contents = "%s\n%s" % (section_head, old_contents)
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mcollective_config.readfp(StringIO(sectioned_contents),
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filename=server_cfg_fn)
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for (cfg_name, cfg) in mcollective_cfg['conf'].iteritems():
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if cfg_name == 'public-cert':
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pubcert_fn = cloud.paths.join(True, PUBCERT_FILE)
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util.write_file(pubcert_fn, cfg, mode=0644)
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mcollective_config.set(cfg_name,
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'plugin.ssl_server_public', pubcert_fn)
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mcollective_config.set(cfg_name, 'securityprovider', 'ssl')
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elif cfg_name == 'private-cert':
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pricert_fn = cloud.paths.join(True, PRICERT_FILE)
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util.write_file(pricert_fn, cfg, mode=0600)
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mcollective_config.set(cfg_name,
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'plugin.ssl_server_private', pricert_fn)
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mcollective_config.set(cfg_name, 'securityprovider', 'ssl')
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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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mcollective_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 server.cfg and create our new one
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old_fn = "%s.old" % (server_cfg_fn)
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util.rename(server_cfg_fn, old_fn)
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# Now we got the whole file, write to disk except the section
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# we added so that config parser won't error out when trying to read.
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# Note below, that we've just used ConfigParser because it generally
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# works. Below, we remove the initial 'nullsection' header.
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contents = mcollective_config.stringify()
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contents = contents.replace("%s\n" % (section_head), "")
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util.write_file(server_cfg_fn, contents, mode=0644)
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# Start mcollective
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util.subp(['service', 'mcollective', 'start'], capture=False)
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