Added rudimentary install script

install/cowyo.init

@@ -0,0 +1,90 @@
+
+# This should be placed in /etc/init.d directory
+# start with
+# sudo /etc/init.d/shrib start
+# stop with
+# sudo /etc/init.d/shrib start
+
+dir="/home/phi/Documents/cowyo"
+user="phi"
+cmd="./cowyo cowyo.duckdns.org"
+
+name="cowyo2"
+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"
+        sudo -u "$user" $cmd >> "$stdout_log" 2>> "$stderr_log" &
+        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 "$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

install/install.sh

@@ -0,0 +1,10 @@
+apt-get update
+apt-get install nginx
+cp cowyo.nginx /etc/nginx/sites-available/
+cp cowyo.init /etc/init.d/
+ln -s /etc/nginx/sites-available/cowyo.nginx /etc/nginx/sites-enabled/cowyo.nginx
+service nginx reload && service nginx restart
+cd ../
+go build
+service cowyo.init start
+

main.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+	"os"
 	"path"
 	"runtime"
 	"time"
@@ -16,6 +17,7 @@ import (
 
 var db *bolt.DB
 var open bool
+var ExternalIP string
 
 func Open() error {
 	var err error
@@ -107,6 +109,10 @@ func (p *CowyoData) decode(data []byte) error {
 }
 
 func main() {
+	if len(os.Args) == 1 {
+		log.Fatal("You need to specify the external IP address")
+	}
+	ExternalIP = os.Args[1]
 	Open()
 	defer Close()
 	r := gin.Default()
@@ -124,6 +130,7 @@ func main() {
 		} else {
 			c.HTML(http.StatusOK, "index.tmpl", gin.H{
 				"Title":      title,
+				"ExternalIP": ExternalIP,
 			})
 
 		}

templates/index.tmpl

@@ -92,7 +92,7 @@
       }
 
       // websockets
-      url = 'ws://cowyo.duckdns.org/ws';
+      url = 'ws://{{ .ExternalIP }}/ws';
       c = new WebSocket(url);
 
       send = function(data){