serv-log

#!/bin/sh
#
# Copyright (C) 2016, 2020  Etersoft
# Copyright (C) 2016, 2020  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

__serv_log_altlinux()
{
	local SERVICE="$1"
	local PRG="less"
	[ "$2" = "-f" ] && PRG="tail -f"

	case "$SERVICE" in
		postfix)
			sudocmd $PRG /var/log/mail/all /var/log/mail/errors
			;;
		sshd)
			sudocmd $PRG /var/log/auth/all
			;;
		cups)
			sudocmd $PRG /var/log/cups/access_log /var/log/cups/error_log
			;;
		fail2ban)
			sudocmd $PRG /var/log/$SERVICE.log
			;;
		*)
			fatal "Have no suitable for $SERVICE service"
			;;
	esac
}

serv_log()
{
	local SERVICE="$1"
	shift

	case $SERVICETYPE in
		systemd)
			sudocmd journalctl -b -u "$SERVICE" "$@"
			;;
		*)
			case $DISTRNAME in
			ALTLinux|ALTServer)
				FF="" ; [ "$1" = "-f" ] && FF="-f"
				__serv_log_altlinux "$SERVICE" $FF
				return ;;
			*)
				fatal "Have no suitable for $DISTRNAME command for $SERVICETYPE"
				;;
			esac
	esac
}