serv-status

#!/bin/sh
#
# Copyright (C) 2012, 2013, 2016, 2017, 2021  Etersoft
# Copyright (C) 2012, 2013, 2016, 2017, 2021  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/>.
#

# FIXME: sudo ask password, but we do not print command before
is_service_running()
{
    local SERVICE="$1"
    local OUTPUT
    # TODO: real status can be checked only with grep output
    case $SERVICETYPE in
        service-chkconfig|service-upstart)
            if is_anyservice $1 ; then
                OUTPUT="$(sudorun anyservice $1 status 2>/dev/null)" || return 1
                echo "$OUTPUT" | grep -q "is stopped" && return 1
                return 0
            fi
            OUTPUT="$(sudorun service $1 status 2>/dev/null)" || return 1
            echo "$OUTPUT" | grep -q "is stopped" && return 1
            return 0
            ;;
        service-initd|service-update)
            sudorun $INITDIR/$1 status >/dev/null 2>/dev/null
            ;;
        systemd)
            a='' systemctl status $1 >/dev/null 2>/dev/null
            ;;
        runit)
            sudorun sv status "$SERVICE" >/dev/null 2>/dev/null
            ;;
        *)
            fatal "Have no suitable command for $SERVICETYPE"
            ;;
    esac
}

# FIXME: sudo ask password, but we do not print command before
is_service_autostart()
{
    local SERVICE="$1"

    case $SERVICETYPE in
        service-chkconfig|service-upstart)
            if is_anyservice $SERVICE; then
                $ANYSERVICE $SERVICE isautostarted
                return
            fi

            # FIXME: check for current runlevel
            LC_ALL=C sudorun chkconfig $1 --list | grep -q "[35]:on"
            ;;
        service-initd|service-update)
            test -L "$(echo /etc/rc5.d/S??$1)"
            ;;
        systemd)
            a='' systemctl is-enabled $1
            ;;
        runit)
            test -L "/var/service/$SERVICE"
            ;;
        *)
            fatal "Have no suitable command for $SERVICETYPE"
            ;;
    esac
}

serv_status()
{
    is_service_autostart $1 && echo "Service $1 is scheduled to run on startup" || echo "Service $1 will NOT run on startup"

    local SERVICE="$1"
    shift

    case $SERVICETYPE in
        service-chkconfig|service-upstart)
            if is_anyservice $SERVICE ; then
                sudocmd anyservice $SERVICE status
                return
            fi
            sudocmd service $SERVICE status "$@"
            ;;
        service-update)
            sudocmd $INITDIR/$SERVICE status "$@"
            ;;
        systemd)
            docmd systemctl -l status $SERVICE "$@"
            ;;
        runit)
            sudocmd sv status "$SERVICE"
            ;;
        *)
            fatal "Have no suitable command for $SERVICETYPE"
            ;;
    esac
}