42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 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: 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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import os
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from cloudinit import util
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from cloudinit.settings import PER_ALWAYS
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frequency = PER_ALWAYS
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def handle(name, cfg, cloud, log, _args):
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if util.get_cfg_option_bool(cfg, "preserve_hostname", False):
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log.debug(("Configuration option 'preserve_hostname' is set,"
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" not updating the hostname in transform %s"), name)
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return
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(hostname, _fqdn) = util.get_hostname_fqdn(cfg, cloud)
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try:
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prev_fn = os.path.join(cloud.get_cpath('data'), "previous-hostname")
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cloud.distro.update_hostname(hostname, prev_fn)
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except Exception:
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util.logexc(log, "Failed to set the hostname to %s", hostname)
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raise
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