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mrkplt/unicorn_example.sh

Forked from tualatrix/unicorn_example.sh
Created June 21, 2012 23:15
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  1. @tualatrix tualatrix created this gist Mar 17, 2012.
    82 changes: 82 additions & 0 deletions unicorn_example.sh
    View file
    Original file line number Diff line number Diff line change
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    #!/bin/sh

    ### BEGIN INIT INFO
    # Provides: unicorn
    # Required-Start: $local_fs $remote_fs $network $syslog
    # Required-Stop: $local_fs $remote_fs $network $syslog
    # Default-Start: 2 3 4 5
    # Default-Stop: 0 1 6
    # Short-Description: starts the unicorn web server
    # Description: starts unicorn
    ### END INIT INFO

    . /lib/lsb/init-functions

    test $DEBIAN_SCRIPT_DEBUG && set -v -x

    USER=tualatrix
    WEBSITE=dev.imtx.me

    DAEMON=`which unicorn`
    APP_DIR=/home/$USER/public_html/$WEBSITE/current/
    DAEMON_OPTS="-c $APP_DIR/config/unicorn.rb -E production -D"
    NAME=unicorn
    DESC="Unicorn app for $USER"
    PID=$APP_DIR/pids/unicorn.$WEBSITE.pid

    test -x $DAEMON || exit 0

    case "$1" in
    start)
    log_action_begin_msg "Starting $DESC"

    if test -e $PID ; then
    log_warning_msg " $DESC has already started."
    exit 1
    fi

    CD_TO_APP_DIR="cd /home/$USER/public_html/$WEBSITE/current"
    START_DAEMON_PROCESS="$DAEMON $DAEMON_OPTS"

    if [ `whoami` = root ]; then
    su - $USER -c "$CD_TO_APP_DIR > /dev/null 2>&1 && $START_DAEMON_PROCESS"
    else
    $CD_TO_APP_DIR && $START_DAEMON_PROCESS
    fi
    log_daemon_msg "$DESC is started."
    ;;
    stop)
    log_action_begin_msg "Stopping $DESC"

    if test -e "$PID" ; then
    kill -QUIT `cat $PID`
    log_daemon_msg " $DESC has been stopped"
    else
    log_warning_msg " No $DESC is running."
    fi
    ;;
    restart)
    log_action_begin_msg "Restarting $DESC"
    if test -e "$PID" ; then
    kill -USR2 `cat $PID`
    log_daemon_msg " $DESC has been restart"
    else
    log_warning_msg " No $DESC is running."
    fi
    ;;
    reload)
    log_action_begin_msg "Reloading $DESC"
    if test -e "$PID" ; then
    kill -HUP `cat $PID`
    log_daemon_msg " $DESC has been reload"
    else
    log_warning_msg " No $DESC is running."
    fi
    ;;
    *)
    echo "Usage: $NAME {start|stop|restart|reload}" >&2
    exit 1
    ;;
    esac

    exit 0