var/deb-package/corvix-cluster/opt/cluster/lib/www/ganglia/physical_view.php

   1 <?php
   2 /* $Id: physical_view.php 583 2005-10-04 18:45:16Z knobi1 $ */
   3 #
   4 # Displays the cluster in a physical view. Cluster nodes in
   5 # this view are located by Rack, Rank, and Plane in the physical
   6 # cluster.
   7 #
   8 # Originally written by Federico Sacerdoti <fds@sdsc.edu>
   9 # Part of the Ganglia Project, All Rights Reserved.
  10 #
  11
  12 # Called from index.php, so cluster and xml tree vars
  13 # ($metrics, $clusters, $hosts) are set, and header.php
  14 # already called.
  15
  16 $tpl = new TemplatePower( template("physical_view.tpl") );
  17 $tpl->prepare();
  18 $tpl->assign("cluster",$clustername);
  19 $cluster_url=rawurlencode($clustername);
  20 $tpl->assign("cluster_url",$cluster_url);
  21
  22 # Assign the verbosity level. Can take the value of the 'p' CGI variable.
  23 $verbose = $physical ? $physical : 2;
  24
  25 # The name of the variable changes based on the level. Nice.
  26 $tpl->assign("checked$verbose","checked");
  27
  28 #
  29 # Give the capacities of this cluster: total #CPUs, Memory, Disk, etc.
  30 #
  31 $CPUs = cluster_sum("cpu_num", $metrics);
  32 # Divide by 1024^2 to get Memory in GB.
  33 $Memory = sprintf("%.1f GB", cluster_sum("mem_total", $metrics)/(float)1048576);
  34 $Disk = cluster_sum("disk_total", $metrics);
  35 $Disk = $Disk ? sprintf("%.1f GB", $Disk) : "Unknown";
  36 list($most_full, $most_full_host) = cluster_min("part_max_used", $metrics);
  37 $tpl->assign("CPUs", $CPUs);
  38 $tpl->assign("Memory", $Memory);
  39 $tpl->assign("Disk", $Disk);
  40
  41 # Show which node has the most full disk.
  42 $most_full_hosturl=rawurlencode($most_full_host);
  43 $most_full = $most_full ? "<a href=\"./?p=1&amp;c=$cluster_url&amp;h=$most_full_host\">".
  44    "$most_full_host ($most_full% Used)</a>" : "Unknown";
  45 $tpl->assign("most_full", $most_full);
  46 $tpl->assign("cols_menu", $cols_menu);
  47
  48
  49 #-------------------------------------------------------------------------------
  50 # Displays a rack and all its nodes.
  51 function showrack($ID)
  52 {
  53    global $verbose, $racks, $metrics, $cluster, $hosts_up, $hosts_down;
  54    global $cluster_url, $tpl, $clusters;
  55
  56    if ($ID>=0) {
  57       $tpl->assign("RackID","<tr><th>Rack $ID</th></tr>");
  58    }
  59
  60    # A string of node HTML for the template.
  61    $nodes="";
  62
  63    foreach ($racks[$ID] as $name)
  64    {
  65       $nodes .= nodebox($name, $verbose);
  66    }
  67
  68    return $nodes;
  69 }
  70
  71 #-------------------------------------------------------------------------------
  72 #
  73 # My Main
  74 #
  75
  76 # 2Key = "Rack ID / Rank (order in rack)" = [hostname, UP|DOWN]
  77 $racks = physical_racks();
  78
  79 # Make a $cols-wide table of Racks.
  80 $i=1;
  81 foreach ($racks as $rack=>$v)
  82    {
  83       $tpl->newBlock("racks");
  84
  85       $racknodes = showrack($rack);
  86
  87       $tpl->assign("nodes", $racknodes);
  88
  89       if (! ($i++ % $hostcols)) {
  90          $tpl->assign("tr","</tr><tr>");
  91       }
  92    }
  93
  94 $tpl->printToScreen();
  95
  96 ?>