[gnome-continuous] autobuilder: Write an autobuilder-status.json file

[Colin Walters <walters src gnome org>]

commit de8a877f942c62f96cf2589ce7bb7bdd3218cbb1
Author: Colin Walters <walters verbum org>
Date:   Tue Nov 5 10:24:24 2013 -0500

    autobuilder: Write an autobuilder-status.json file
    
    So the web UI can show it.

 extras/build.gnome.org/build.gnome.org.js |   21 +++++++++++++++++++++
 extras/build.gnome.org/index.html         |    3 +++
 src/js/builtins/autobuilder.js            |   20 +++++++++++++++++---
 3 files changed, 41 insertions(+), 3 deletions(-)
---
diff --git a/extras/build.gnome.org/build.gnome.org.js b/extras/build.gnome.org/build.gnome.org.js
index cd7f54f..2dc0dc5 100644
--- a/extras/build.gnome.org/build.gnome.org.js
+++ b/extras/build.gnome.org/build.gnome.org.js
@@ -3,6 +3,7 @@
 (function($, exports) {
     "use strict";
 
+    var status = null;
     var repoDataSignal = {};
     var taskData = {};
     var taskNames = ['build', 'smoketest', 'integrationtest', 'applicationstest'];
@@ -12,6 +13,13 @@
             window.location.pathname + 'continuous/buildmaster/' + suffix;
     }
 
+    function _loadStatus() {
+        $.getJSON(_getUrl('autobuilder-status.json'), function(data) {
+            status = data;
+            $(repoDataSignal).trigger("status-changed");
+        });
+    }
+
     function _loadTask(taskname) {
         var url = _getUrl('results/tasks/' + taskname + '/' + taskname + '/meta.json');
         $.getJSON(url, function(data) {
@@ -21,6 +29,7 @@
     }
 
     function repowebInit() {
+        _loadStatus();
         for (var i = 0; i < taskNames.length; i++) {
             _loadTask(taskNames[i]);
         }
@@ -126,6 +135,18 @@
         $(repoDataSignal).on("taskdata-changed", function (event, taskName) {
             _renderTask(taskName);
         });
+        $(repoDataSignal).on("status-changed", function (event) {
+            var runningStateNode = $("#running-state").get(0);
+            $(runningStateNode).empty();
+            var text;
+            console.log("status=" + JSON.stringify(status));
+            if (status.running) {
+                text = 'Running: ' + status.running.join(' ') + '; load=' + status.systemLoad[0];
+            } else {
+                text = 'Idle, awaiting commits';
+            }
+            runningStateNode.appendChild(document.createTextNode(text));
+        });
     }
 
     $(document).ready(function() {
diff --git a/extras/build.gnome.org/index.html b/extras/build.gnome.org/index.html
index b1d0a46..26b8e00 100644
--- a/extras/build.gnome.org/index.html
+++ b/extras/build.gnome.org/index.html
@@ -59,6 +59,9 @@
       <div data-role="content">
        <p>See <a href="https://live.gnome.org/GnomeContinuous";>GNOME-Continuous</a>
          for more information. </p>
+       <p>
+         State: <span id="running-state"></span>
+       </p>
        <p>Build: <a href="" id="build-link"></a><span id="build-span"></span></p>
        <p>Smoketest: <a href="" id="smoketest-link"></a><span id="smoketest-span"></span></p>
        <p>Integrationtest: <a href="" id="integrationtest-link"></a><span 
id="integrationtest-span"></span></p>
diff --git a/src/js/builtins/autobuilder.js b/src/js/builtins/autobuilder.js
index 0a8adad..222aeff 100644
--- a/src/js/builtins/autobuilder.js
+++ b/src/js/builtins/autobuilder.js
@@ -122,18 +122,32 @@ const Autobuilder = new Lang.Class({
     _updateStatus: function() {
        let newStatus = "";
        let taskstateList = this._taskmaster.getTaskState();
+       let runningTasks = [];
+       let queuedTasks = [];
        for (let i = 0; i < taskstateList.length; i++) {
            let taskstate = taskstateList[i];
+           let name = taskstate.task.name;
            if (taskstate.running)
-               newStatus += ("[" + taskstate.task.name + "] ");
+               runningTasks.push(name);
            else
-               newStatus += (taskstate.task.name + " ");
+               queuedTasks.push(name);
        }
-       if (newStatus == "")
+       if (runningTasks.length == 0 && queuedTasks.length == 0) {
            newStatus = "[idle]";
+       } else {
+           newStatus = "running: " + JSON.stringify(runningTasks);
+           if (queuedTasks.length)
+               newStatus += " queued: " + JSON.stringify(queuedTasks);
+       }
        if (newStatus != this._status) {
            this._status = newStatus;
            print(this._status);
+           let [success,loadAvg,etag] = Gio.File.new_for_path('/proc/loadavg').load_contents(null);
+           loadAvg = loadAvg.toString().replace(/\n$/, '').split(' ');
+           let statusPath = Gio.File.new_for_path('autobuilder-status.json');
+           JsonUtil.writeJsonFileAtomic(statusPath, {'running': runningTasks,
+                                                     'queued': queuedTasks,
+                                                     'systemLoad': loadAvg}, null);
            this._impl.emit_property_changed('Status', new GLib.Variant("s", this._status));
        }
     },