added script console for slaves

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@8208 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Computer.java

@@ -340,6 +340,24 @@ public abstract class Computer extends AbstractModelObject {
         w.close();
     }
 
+    public void doScript( StaplerRequest req, StaplerResponse rsp ) throws IOException, ServletException {
+        // ability to run arbitrary script is dangerous,
+        // so tie it to the admin access
+        Hudson.getInstance().checkPermission(Hudson.ADMINISTER);
+
+        String text = req.getParameter("script");
+        if(text!=null) {
+            try {
+                req.setAttribute("output",
+                RemotingDiagnostics.executeGroovy(text,getChannel()));
+            } catch (InterruptedException e) {
+                throw new ServletException(e);
+            }
+        }
+
+        req.getView(this,"_script.jelly").forward(req,rsp);
+    }
+
     /**
      * Gets the current {@link Computer} that the build is running.
      * This method only works when called during a build, such as by

core/src/main/resources/hudson/model/Computer/_script.jelly

+<!--
+  Called from doScript() to display the execution result and the form.
+-->
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
+  <t:scriptConsole>
+    <pre>println System.getenv("PATH")</pre>
+    <p>
+      This execution happens in the slave agent JVM.
+    </p>
+  </t:scriptConsole>
+</j:jelly>

core/src/main/resources/hudson/model/Computer/sidepanel.jelly

@@ -7,6 +7,7 @@
     <l:tasks>
       <l:task icon="images/24x24/up.gif" href=".." title="${%Back to List}" />
       <l:task icon="images/24x24/notepad.gif" href="${rootURL}/${it.url}/builds" title="${%Build History}" />
+      <l:task icon="images/24x24/notepad.gif" href="script" title="${%Script Console}" />
     </l:tasks>
   </l:side-panel>
 </j:jelly>
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