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# vi: ts=4 expandtab
#
# Copyright (C) 2011 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.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/>.
import cloudinit.util as util
from cloudinit.CloudConfig import per_always
frequency = per_always
def handle(name,cfg,cloud,log,args):
if not util.get_cfg_option_bool(cfg,"manage_etc_hosts",False):
log.debug("manage_etc_hosts is not set. not modifying /etc/hosts")
return
try:
hostname = util.get_cfg_option_str(cfg,"hostname",cloud.get_hostname())
if not hostname:
hostname = cloud.get_hostname()
if not hostname:
log.info("manage_etc_hosts was set, but no hostname found")
return
util.render_to_file('hosts', '/etc/hosts', { 'hostname' : hostname })
except Exception as e:
log.warn("failed to update /etc/hosts")
raise
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