#! /bin/sh PATH=/sbin:/usr/sbin:/bin:/usr/bin DESC="Unicorn server" NAME=unicorn RVM=/usr/local/rvm/bin/rvm RVM_EXEC_ARGS="1.9.3@application exec" RAILS_DIR=/data/application DAEMON=$RVM DAEMON_ARGS="$RVM_EXEC_ARGS $RAILS_DIR/bin/unicorn -c $RAILS_DIR/config/unicorn.rb -E staging -D" PIDFILE=/var/run/$NAME/server.pid USER=vader SCRIPTNAME=/etc/init.d/$NAME # Exit if the package is not installed [ -x "$DAEMON" ] || exit 0 # Read configuration variable file if it is present [ -r /etc/default/$NAME ] && . /etc/default/$NAME # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh # Define LSB log_* functions. # Depend on lsb-base (>= 3.0-6) to ensure that this file is present. . /lib/lsb/init-functions # unicorn needs some environment vars . /etc/environment # Create /var/run dir if missing if [ ! -d /var/run/unicorn ]; then mkdir -m 0755 /var/run/unicorn chown $USER /var/run/unicorn fi symlink_resque() { ln -sfT `$RVM $RVM_EXEC_ARGS which resque | tail -1`/server/public $RAILS_DIR/public/resque } # # Function that starts the daemon/service # do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started symlink_resque start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER --exec $DAEMON --test > /dev/null \ || return 1 start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER --exec $DAEMON -- \ $DAEMON_ARGS \ || return 2 # Add code here, if necessary, that waits for the process to be ready # to handle requests from services started subsequently which depend # on this one. As a last resort, sleep for some time. } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 # Ensure the pidfile is cleared rm -f $PIDFILE return "$RETVAL" } # # Function that sends a SIGHUP to the daemon/service # do_reload() { symlink_resque start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE return 0 } # # Function that sends a SIGUSR2 to the daemon/service # do_graceful_reload() { symlink_resque start-stop-daemon --stop --signal USR2 --quiet --pidfile $PIDFILE return 0 } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; status) status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? ;; reload) log_daemon_msg "Reloading $DESC" "$NAME" do_reload log_end_msg $? ;; graceful-reload) log_daemon_msg "Gracefully reloading $DESC" "$NAME" do_graceful_reload log_end_msg $? ;; restart) log_daemon_msg "Restarting $DESC" "$NAME" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; *) echo "Usage: $SCRIPTNAME {start|stop|status|restart|graceful-reload|reload}" >&2 exit 3 ;; esac :