service file for weechat relay

weechat-relay

#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

depend() {
    need net localmount
    after bootmisc
}

checkconfig() {
    if [ "${WEECHAT_USER}" = "" ] ; then
        eerror "Please edit /etc/conf.d/weechat-relay"
        eerror "You have to specify a user to run weechat as, as we will not run it as root!"
        eerror "Modify WEECHAT_USER to your needs (you can also add a group, after a colon)"
        return 1
    fi
    if ! getent passwd "${WEECHAT_USER%:*}" >/dev/null ; then
        eerror "Please edit /etc/conf.d/weechat-relay"
        eerror "Your user has to exist!"
        return 1
    fi
    if [ "${WEECHAT_USER%:*}" = "${WEECHAT_USER}" ] ; then
        return 0
    else
        if ! getent group "${WEECHAT_USER#*:}" >/dev/null ; then
            eerror "Please edit /etc/conf.d/weechat-relay"
            eerror "Your group has to exist too!"
            return 1
        fi
    fi
    if [ "${WEECHAT_LETSENCRYPT_HOSTNAME}" = "" ] ; then
        eerror "Please edit /etc/conf.d/weechat-relay"
        eerror "Relay hostname not specified."
        eerror "Modify WEECHAT_LETSENCRYPT_HOSTNAME to your needs."
        return 1
    fi
    WEECHAT_CERT_PATH="/etc/letsencrypt/live/${WEECHAT_LETSENCRYPT_HOSTNAME}"
    if ! ls "${WEECHAT_CERT_PATH}" 2>&1 >/dev/null ; then
        eerror "Please set up the domain specified via certbot, so that fullchain.pem and privkey.pem exist in ${WEECHAT_CERT_PATH}."
        return 1
    fi
    return 0
}

craft_relay_cert() {
    mkdir -p "${WEECHAT_HOME}/ssl"
    cat "${WEECHAT_CERT_PATH}"/{fullchain,privkey}.pem > "${WEECHAT_HOME}/ssl/relay.pem"
}

destroy_relay_cert() {
    rm "${WEECHAT_HOME}/ssl/relay.pem" 2>&1 >/dev/null
}

start() {
    checkconfig || return $?
    if [ "${WEECHAT_HOME}" = "" ] ; then
        WEECHAT_HOME="$(getent passwd "${WEECHAT_USER%:*}" | cut -d ':' -f 6)/.weechat"
    fi
    craft_relay_cert
    ebegin "Starting WeeChat Relay"
    TMUX_SOCKET_PATH_BASENAME=/tmp/tmux-$(getent passwd "${WEECHAT_USER%:*}" | cut -d ':' -f 3)
    TMUX_SOCKET_PATH=${TMUX_SOCKET_PATH_BASENAME}/weechat
    mkdir -p "${TMUX_SOCKET_PATH_BASENAME}"
    chmod 700 "${TMUX_SOCKET_PATH_BASENAME}"
    chown "${WEECHAT_USER}" "${TMUX_SOCKET_PATH_BASENAME}"
    start-stop-daemon --start --user "${WEECHAT_USER%:*}" \
    --name weechat-relay-tmux --exec /usr/bin/tmux -e WEECHAT_HOME="${WEECHAT_HOME}" \
    -- -S "${TMUX_SOCKET_PATH}" -2 new-session -d -s irc -- /usr/bin/weechat
    chown "${WEECHAT_USER}" "${TMUX_SOCKET_PATH}"
    RET_STATUS=$?
    eend ${RET_STATUS}
}

stop() {
    if [ "${WEECHAT_HOME}" = "" ] ; then
        WEECHAT_HOME="$(getent passwd "${WEECHAT_USER%:*}" | cut -d ':' -f 6)/.weechat"
    fi
    ebegin "Stopping Weechat Relay"
    destroy_relay_cert
    /usr/bin/tmux -S /tmp/tmux-$(getent passwd "${WEECHAT_USER%:*}" | cut -d ':' -f 3)/weechat kill-session -t irc
    eend $?
}