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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/>.
# Ensure this is aliased to a name not 'distros'
# since the module attribute 'distros'
# is a list of distros that are supported, not a sub-module
from cloudinit import distros as ds
from cloudinit import util
distros = ['ubuntu', 'debian']
def handle(name, cfg, cloud, log, args):
if len(args) != 0:
value = args[0]
else:
value = util.get_cfg_option_str(cfg, "byobu_by_default", "")
if not value:
log.debug("Skipping module named %s, no 'byobu' values found", name)
return
if value == "user" or value == "system":
value = "enable-%s" % value
valid = ("enable-user", "enable-system", "enable",
"disable-user", "disable-system", "disable")
if value not in valid:
log.warn("Unknown value %s for byobu_by_default", value)
mod_user = value.endswith("-user")
mod_sys = value.endswith("-system")
if value.startswith("enable"):
bl_inst = "install"
dc_val = "byobu byobu/launch-by-default boolean true"
mod_sys = True
else:
if value == "disable":
mod_user = True
mod_sys = True
bl_inst = "uninstall"
dc_val = "byobu byobu/launch-by-default boolean false"
shcmd = ""
if mod_user:
(users, _groups) = ds.normalize_users_groups(cfg, cloud.distro)
(user, _user_config) = ds.extract_default(users)
if not user:
log.warn(("No default byobu user provided, "
"can not launch %s for the default user"), bl_inst)
else:
shcmd += " sudo -Hu \"%s\" byobu-launcher-%s" % (user, bl_inst)
shcmd += " || X=$(($X+1)); "
if mod_sys:
shcmd += "echo \"%s\" | debconf-set-selections" % dc_val
shcmd += " && dpkg-reconfigure byobu --frontend=noninteractive"
shcmd += " || X=$(($X+1)); "
if len(shcmd):
cmd = ["/bin/sh", "-c", "%s %s %s" % ("X=0;", shcmd, "exit $X")]
log.debug("Setting byobu to %s", value)
util.subp(cmd, capture=False)
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