feature #1370: add status and restart to novnc script

src/sunstone/OpenNebulaVNC.rb

@@ -182,6 +182,16 @@ class OpenNebulaVNC
         true
     end
 
+    def status
+        if is_running?
+            STDOUT.puts "novnc is running"
+            true
+        else
+            STDOUT.puts "novnc is NOT running"
+            false
+        end
+    end
+
     private
 
     def error(code, msg)

src/sunstone/bin/novnc-server

@@ -69,9 +69,18 @@ if ARGV[0]
         vnc.start
     when :stop
         vnc.stop(ARGV[1]=='--force')
+    when :restart
+        vnc.stop
+        sleep 1
+        vnc.start
+    when :status
+        vnc.status
     end
 
-    exit(-1) if !res
+    if !res
+        STDERR.puts "Error, check #{VNC_LOG}"
+        exit(-1)
+    end
 else
     exit(-1)
 end