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# vi: ts=4 expandtab
#
# Copyright (C) 2011 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 cloudinit import util
from cloudinit import templater
from cloudinit.settings import PER_ALWAYS
frequency = PER_ALWAYS
def handle(name, cfg, cloud, log, _args):
manage_hosts = util.get_cfg_option_str(cfg, "manage_etc_hosts", False)
if util.translate_bool(manage_hosts, addons=['template']):
(hostname, fqdn) = util.get_hostname_fqdn(cfg, cloud)
if not hostname:
log.warn(("Option 'manage_etc_hosts' was set,"
" but no hostname was found"))
return
# Render from a template file
distro_n = cloud.distro.name
tpl_fn_name = cloud.get_template_filename("hosts.%s" % (distro_n))
if not tpl_fn_name:
raise RuntimeError(("No hosts template could be"
" found for distro %s") % (distro_n))
out_fn = cloud.paths.join(False, '/etc/hosts')
templater.render_to_file(tpl_fn_name, out_fn,
{'hostname': hostname, 'fqdn': fqdn})
elif manage_hosts == "localhost":
(hostname, fqdn) = util.get_hostname_fqdn(cfg, cloud)
if not hostname:
log.warn(("Option 'manage_etc_hosts' was set,"
" but no hostname was found"))
return
log.debug("Managing localhost in /etc/hosts")
cloud.distro.update_etc_hosts(hostname, fqdn)
else:
log.debug(("Configuration option 'manage_etc_hosts' is not set,"
" not managing /etc/hosts in module %s"), name)
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