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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
import subprocess
def handle(name,cfg,cloud,log,args):
if util.get_cfg_option_bool(cfg,"preserve_hostname",False):
log.debug("preserve_hostname is set. not setting hostname")
return(True)
try:
hostname = util.get_cfg_option_str(cfg,"hostname",cloud.get_hostname())
set_hostname(hostname, log)
except Exception as e:
util.logexc(log)
log.warn("failed to set hostname\n")
return(True)
def set_hostname(hostname, log):
subprocess.Popen(['hostname', hostname]).communicate()
util.write_file("/etc/hostname","%s\n" % hostname, 0644)
log.debug("populated /etc/hostname with %s on first boot", hostname)
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