cdist-contrib/type/__networktime/manifest

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#!/bin/sh -e
#
# 2021 Joachim Desroches (joachim.desroches@epfl.ch)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
os=$(cat "${__global:?}/explorer/os")
case "$os" in
'alpine')
backend=busybox-openrc
;;
'debian' | 'ubuntu')
backend=systemd-timesyncd
;;
*)
printf "__networktime is not yet implemented for %s.\n" "$os" >&2
printf "Please contribute an implementation for it if you can.\n" >&2
exit 1
;;
esac
case "$backend" in
'busybox-openrc')
argstring="-N"
while read -r peer;
do
argstring="$argstring -p $peer"
done < "${__object:?}/parameter/peer"
__start_on_boot ntpd
__file /etc/conf.d/ntpd \
--mode 0644 --onchange "service ntpd restart"\
--source - <<- EOF
# NTPd OpenRC configuration file. Managed by cdist.
NTPD_OPTS="$argstring"
EOF
;;
'systemd-timesyncd')
peers="$(tr '\n' ' ' < "${__object:?}/parameter/peer")"
__package ntp --state absent
require="__package/ntp" __systemd_unit systemd-timesyncd \
--enablement-state enabled --restart
__file /etc/systemd/timesyncd.conf \
--mode 0644 --onchange "systemctl restart systemd-timesyncd" \
--source - <<- EOF
# timesyncd(8) configuration file. Managed by cdist.
[Time]
NTP=$peers
EOF
;;
*)
printf "Unkown backend in __networktime. This is a bug.\n" >&2
exit 1
;;
esac