ruk·si

SysV
Forego

Updated at 2016-12-10 02:50
# install Go
go get -u github.com/ddollar/forego
# check that forego is in path
which forego
touch /etc/init.d/forego && vim /etc/init.d/forego
chmod +x /etc/init.d/forego
ln /home/ec2-user/.gopath/bin/forego /usr/bin/forego
service forego start
chkconfig --add forego
chkconfig --levels 0126 forego off
chkconfig --levels 345 forego on
chkconfig --list forego
/etc/init.d/forego
#!/bin/sh
### BEGIN INIT INFO
# Provides:
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start daemon at boot time
# Description:       Enable service provided by daemon.
### END INIT INFO

DIR="/home/ec2-user"
CMD="forego start"
USER="ec2-user"

NAME=forego
PID_FILE="/var/run/$NAME.pid"
STDOUT_LOG="/var/log/$NAME.log"
STDERR_LOG="/var/log/$NAME.err"

get_pid() {
    cat "$PID_FILE"
}

is_running() {
    [ -f "$PID_FILE" ] && ps `get_pid` > /dev/null 2>&1
}

case "$1" in
    start)
    if is_running; then
        echo "Already started"
    else
        echo "Starting $NAME"
        cd "$DIR"
        # ipcluster doens't know how to remove it's own pids for some reason
        rm /home/ec2-user/.ipython/profile_default/pid/*
        if [ -z "$USER" ]; then
            sudo $CMD >> "$STDOUT_LOG" 2>> "$STDERR_LOG" &
        else
            sudo -u "$USER" $CMD >> "$STDOUT_LOG" 2>> "$STDERR_LOG" &
        fi
        echo $! > "$PID_FILE"
        if ! is_running; then
            echo "Unable to start, see $STDOUT_LOG and $STDERR_LOG"
            exit 1
        fi
    fi
    ;;
    stop)
    if is_running; then
        echo -n "Stopping $NAME.."
        kill `get_pid`
        for i in {1..10}
        do
            if ! is_running; then
                break
            fi

            echo -n "."
            sleep 1
        done
        echo

        if is_running; then
            echo "Not stopped; may still be shutting down or shutdown may have failed"
            exit 1
        else
            echo "Stopped"
            if [ -f "$PID_FILE" ]; then
                rm /home/ec2-user/.ipython/profile_default/pid/*
                rm "$PID_FILE"
            fi
        fi
    else
        echo "Not running"
    fi
    ;;
    restart)
    $0 stop
    if is_running; then
        echo "Unable to stop, will not attempt to start"
        exit 1
    fi
    $0 start
    ;;
    status)
    if is_running; then
        echo "Running"
    else
        echo "Stopped"
        exit 1
    fi
    ;;
    *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
esac

exit 0