init.d – because it works

README.md

@@ -11,6 +11,10 @@ I don't know yet. In the meantime:
 	$> cd palette-server/bin
 	$> gunicorn palette-server:app
 
+There's also a stub `init.d` script in the `init.d` directory. You will need to
+adjust the specifics (paths, gunicorn configs. etc.) to taste. Either way you
+get the palette server to tell you things by invoking it like this:
+
 	$>curl  'http://localhost:8000?path=/Users/asc/Desktop/cat.jpg' | python -m json.tool
 
 	{

init.d/palette-server.sh

@@ -0,0 +1,69 @@
+#!/bin/sh -e
+
+# Starts, stops, and restarts the event server
+# http://werxltd.com/wp/2012/01/05/simple-init-d-script-template/
+
+# To make sure this runs at startup, do:
+# update-rc.d palette-server.sh defaults
+
+# Adjust to taste
+PS_ROOT='/usr/local/cooperhewitt/palette-server/bin/'
+
+GUNICORN=`which gunicorn`
+GUNICORN_OPTS=''
+
+PIDFILE=/var/run/palette-server.pid
+
+case $1 in
+    start)
+        echo "Starting event server"
+
+	cd $PS_ROOT
+	PID=`exec sudo -u www-data $GUNICORN $GUNICORN_OPTS palette-server:app > /dev/null 2>&1 & echo $!`
+
+        if [ -z $PID ]; then
+            printf "%s\n" "Fail"
+        else
+            echo $PID > $PIDFILE
+            printf "%s\n" "Ok"
+	    echo $PID
+        fi
+
+        ;;
+    stop)
+        echo "Stopping event server"
+
+	printf "%-50s" "Stopping $NAME"
+            PID=`cat $PIDFILE`
+            cd $DAEMON_PATH
+        if [ -f $PIDFILE ]; then
+            kill -HUP $PID
+            printf "%s\n" "Ok"
+            rm -f $PIDFILE
+        else
+            printf "%s\n" "pidfile not found"
+        fi
+
+        ;;
+    restart)
+        $0 stop
+        $0 start
+        ;;
+    status)
+        printf "%-50s" "Checking event-server..."
+        if [ -f $PIDFILE ]; then
+            PID=`cat $PIDFILE`
+            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
+                printf "%s\n" "Process dead but pidfile exists"
+            else
+                echo "Running"
+            fi
+        else
+            printf "%s\n" "Service not running"
+        fi
+	;;
+    *)
+        echo "Usage: $0 {start|stop|restart|status}" >&2
+        exit 1
+        ;;
+esac