Filename: //usr/lib/python3/dist-packages/cloudinit/config//cc_update_hostname.py

# Copyright (C) 2011 Canonical Ltd. # Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Juerg Haefliger <juerg.haefliger@hp.com> # # This file is part of cloud-init. See LICENSE file for license information. """ Update Hostname --------------- **Summary:** update hostname and fqdn This module will update the system hostname and fqdn. If ``preserve_hostname`` is set, then the hostname will not be altered. .. note:: for instructions on specifying hostname and fqdn, see documentation for ``cc_set_hostname`` **Internal name:** ``cc_update_hostname`` **Module frequency:** per always **Supported distros:** all **Config keys**:: preserve_hostname: <true/false> fqdn: <fqdn> hostname: <fqdn/hostname> """ import os from cloudinit.settings import PER_ALWAYS from cloudinit import util frequency = PER_ALWAYS def handle(name, cfg, cloud, log, _args): if util.get_cfg_option_bool(cfg, "preserve_hostname", False): log.debug(("Configuration option 'preserve_hostname' is set," " not updating the hostname in module %s"), name) return (hostname, fqdn) = util.get_hostname_fqdn(cfg, cloud) try: prev_fn = os.path.join(cloud.get_cpath('data'), "previous-hostname") log.debug("Updating hostname to %s (%s)", fqdn, hostname) cloud.distro.update_hostname(hostname, fqdn, prev_fn) except Exception: util.logexc(log, "Failed to update the hostname to %s (%s)", fqdn, hostname) raise # vi: ts=4 expandtab

./Ninja\.