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# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 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/>.
import os
from cloudinit import util
distros = ['ubuntu', 'debian']
def handle(name, cfg, _cloud, log, _args):
mycfg = cfg.get("grub_dpkg", cfg.get("grub-dpkg", {}))
if not mycfg:
mycfg = {}
enabled = mycfg.get('enabled', True)
if util.is_false(enabled):
log.debug("%s disabled by config grub_dpkg/enabled=%s", name, enabled)
return
idevs = util.get_cfg_option_str(mycfg, "grub-pc/install_devices", None)
idevs_empty = util.get_cfg_option_str(
mycfg, "grub-pc/install_devices_empty", None)
if ((os.path.exists("/dev/sda1") and not os.path.exists("/dev/sda")) or
(os.path.exists("/dev/xvda1") and not os.path.exists("/dev/xvda"))):
if idevs is None:
idevs = ""
if idevs_empty is None:
idevs_empty = "true"
else:
if idevs_empty is None:
idevs_empty = "false"
if idevs is None:
idevs = "/dev/sda"
for dev in ("/dev/sda", "/dev/vda", "/dev/xvda",
"/dev/sda1", "/dev/vda1", "/dev/xvda1"):
if os.path.exists(dev):
idevs = dev
break
# now idevs and idevs_empty are set to determined values
# or, those set by user
dconf_sel = (("grub-pc grub-pc/install_devices string %s\n"
"grub-pc grub-pc/install_devices_empty boolean %s\n") %
(idevs, idevs_empty))
log.debug("Setting grub debconf-set-selections with '%s','%s'" %
(idevs, idevs_empty))
try:
util.subp(['debconf-set-selections'], dconf_sel)
except:
util.logexc(log, "Failed to run debconf-set-selections for grub-dpkg")
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