Created
December 13, 2011 10:56
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Trinidad init.d
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#! /bin/sh | |
PATH=/sbin:/usr/sbin:/bin:/usr/bin | |
DESC="Trinidad server" | |
NAME=trinidad | |
RVM=/home/vader/.rvm/bin/rvm | |
RVM_EXEC_ARGS="jruby@yoda exec" | |
RACK_DIR=/data/yoda | |
PIDFILE=/var/run/trinidad.pid | |
DAEMON=$RVM | |
DAEMON_ARGS="$RVM_EXEC_ARGS $RACK_DIR/bin/trinidad --config /data/shared/trinidad.yml" | |
USER=vader | |
SCRIPTNAME=/etc/init.d/$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 | |
# trinided needs some environment vars | |
. /etc/environment | |
# Create /var/run dir if missing | |
if [ ! -d /var/run/trinidad ]; then | |
mkdir -m 0755 /var/run/trinidad | |
chown $USER /var/run/trinidad | |
fi | |
# | |
# 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 | |
start-stop-daemon --start --quiet --pidfile $PIDFILE --chdir $RACK_DIR --chuid $USER --exec $DAEMON --test > /dev/null \ | |
|| return 1 | |
start-stop-daemon --start --quiet --pidfile $PIDFILE --chdir $RACK_DIR --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() { | |
start-stop-daemon --stop --signal 1 --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 $? | |
;; | |
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|reload}" >&2 | |
exit 3 | |
;; | |
esac | |
: |
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