tools/sheriffing/functions.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /** Random constants. */
   6 var MAX_BUILD_STATUS_LENGTH = 50;
   7 var TICKS_BETWEEN_REFRESHES = 60;
   8 var NUM_PREVIOUS_BUILDS_TO_SHOW = 3;
   9 var MAX_MILLISECONDS_TO_WAIT = 5 * 60 * 1000;
  10
  11 /** Parsed JSON data. */
  12 var gWaterfallData = [];
  13 var gStatusData = [];
  14 var gWaterfallDataIsDirty = true;
  15
  16 /** Global state. */
  17 var gTicksUntilRefresh = TICKS_BETWEEN_REFRESHES;
  18
  19 /** Statistics. */
  20 var gNumRequestsInFlight = 0;
  21 var gNumRequestsIgnored = 0;
  22 var gNumRequestsRetried = 0;
  23 var gStartTimestamp = 0;
  24
  25 /** Cut the status message down so it doesn't hog the whole screen. */
  26 function truncateStatusText(text) {
  27   if (text.length > MAX_BUILD_STATUS_LENGTH) {
  28     return text.substr(0, MAX_BUILD_STATUS_LENGTH) + '...';
  29   }
  30   return text;
  31 }
  32
  33 /** Queries all of the servers for their latest statuses. */
  34 function queryServersForInfo() {
  35   for (var index = 0; index < gWaterfallData.length; ++index) {
  36     gWaterfallData[index].requestJson();
  37   }
  38
  39   for (var index = 0; index < gStatusData.length; ++index) {
  40     gStatusData[index].requestJson();
  41   }
  42 }
  43
  44 /** Updates the sidebar's contents. */
  45 function updateSidebarHTML() {
  46   // Update all of the project info.
  47   var divElement = document.getElementById('sidebar-contents');
  48   while (divElement.firstChild) {
  49     divElement.removeChild(divElement.firstChild);
  50   }
  51
  52   for (var i = 0; i < gStatusData.length; ++i) {
  53     divElement.appendChild(gStatusData[i].createHtml());
  54   }
  55
  56   // Debugging stats.
  57   document.getElementById('num-ticks-until-refresh').innerHTML =
  58       gTicksUntilRefresh;
  59   document.getElementById('num-requests-in-flight').innerHTML =
  60       gNumRequestsInFlight;
  61   document.getElementById('num-requests-ignored').innerHTML =
  62       gNumRequestsIgnored;
  63   document.getElementById('num-requests-retried').innerHTML =
  64       gNumRequestsRetried;
  65 }
  66
  67 /**
  68  * Organizes all of the bots by category, then alphabetically within their
  69  * categories.
  70  */
  71 function sortBotNamesByCategory(botInfo) {
  72   // Bucket all of the bots according to their category.
  73   var allBotNames = Object.keys(botInfo);
  74   var bucketedNames = {};
  75   for (var i = 0; i < allBotNames.length; ++i) {
  76     var botName = allBotNames[i];
  77     var category = botInfo[botName].category;
  78
  79     if (!bucketedNames[category]) bucketedNames[category] = [];
  80     bucketedNames[category].push(botName);
  81   }
  82
  83   // Alphabetically sort bots within their buckets, then append them to the
  84   // current list.
  85   var sortedBotNames = [];
  86   var allCategories = Object.keys(bucketedNames);
  87   allCategories.sort();
  88   for (var i = 0; i < allCategories.length; ++i) {
  89     var category = allCategories[i];
  90     var bucketBots = bucketedNames[category];
  91     bucketBots.sort();
  92
  93     for (var j = 0; j < bucketBots.length; ++j) {
  94       sortedBotNames.push(bucketBots[j]);
  95     }
  96   }
  97
  98   return sortedBotNames;
  99 }
 100
 101 /** Update all the waterfall data. */
 102 function updateStatusHTML() {
 103   var table = document.getElementById('build-info');
 104   while (table.rows.length > 0) {
 105     table.deleteRow(-1);
 106   }
 107
 108   for (var i = 0; i < gWaterfallData.length; ++i) {
 109     gWaterfallData[i].updateWaterfallStatusHTML();
 110   }
 111 }
 112
 113 /** Marks the waterfall data as dirty due to updated filter. */
 114 function filterUpdated() {
 115   gWaterfallDataIsDirty = true;
 116 }
 117
 118 /** Update the page content. */
 119 function updateContent() {
 120   if (--gTicksUntilRefresh <= 0) {
 121     gTicksUntilRefresh = TICKS_BETWEEN_REFRESHES;
 122     queryServersForInfo();
 123   }
 124
 125   // Redraw the page content.
 126   if (gWaterfallDataIsDirty) {
 127     gWaterfallDataIsDirty = false;
 128     updateStatusHTML();
 129
 130     if (document.getElementById('failure-info')) {
 131       updateCorrelationsHTML();
 132     }
 133   }
 134   updateSidebarHTML();
 135 }
 136
 137 /** Initialize all the things. */
 138 function initialize() {
 139   var gStartTimestamp = new Date().getTime();
 140
 141   // Initialize the waterfall pages.
 142   for (var i = 0; i < kBuilderPages.length; ++i) {
 143     gWaterfallData.push(new WaterfallInfo(kBuilderPages[i]));
 144   }
 145
 146   // Initialize the status pages.
 147   for (var i = 0; i < kStatusPages.length; ++i) {
 148     gStatusData.push(new StatusPageInfo(kStatusPages[i][0],
 149                                         kStatusPages[i][1]));
 150   }
 151
 152   // Kick off the main loops.
 153   queryServersForInfo();
 154   updateStatusHTML();
 155   setInterval('updateContent()', 1000);
 156 }