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#
# This program 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 2
# of the License, or (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Check running systemd services for binary update
# Convenient way to restart updated systemd service after upgrade
(( $UID != 0 )) && echo 'You need to be root' && exit 1
usage() {
echo "usage ${0##*/} [options]"
echo 'options:'
echo ' -h: this help' >&2
echo ' -r: restart services' >&2
echo ' -l: list systemd commands to execute' >&2
echo ' -R: reload services' >&2
echo " -n: don't call systemd daemon-reload" >&2
case $opt in
r) systemd_cmd='restart';;
R) systemd_cmd='reload';;
n) daemon_reload=false;;
l) list=true;;
*) usage;;
esac
done
shift $((OPTIND - 1));
(( $# > 0 )) && usage
[[ -n "$systemd_cmd" || -n "$list" ]] || usage
[[ $daemon_reload ]] || systemctl --system daemon-reload
declare -a services
services=($(systemctl -t service --full|grep \.service|grep running|sed -rn 's/^(.*\.service).*/\1/p'))
for svc in "${services[@]}"; do
pid=$(systemctl show "$svc"|sed -nr 's/^MainPID=(.*)/\1/p')
deleted=$(grep '(deleted)' "/proc/$pid/maps"|sed -nr 's|^\S+ ..x. \S+ \S+ \S+ \s+||p'|sort|uniq)
if [[ $verbose ]]; then
echo "Service: $svc"
echo "Pid: $pid"
echo "Command: systemctl restart '$svc'"
echo 'Deleted files:'
echo "$deleted"
echo
else
echo "systemctl restart '$svc'"
fi