var/deb-package/cluster_raw_old/opt/cluster/lib/www/ganglia/cluster_view.php

   1 <?php
   2 /* $Id: cluster_view.php 783 2007-05-16 22:28:31Z bernardli $ */
   3 $tpl = new TemplatePower( template("cluster_view.tpl") );
   4 $tpl->assignInclude("extra", template("cluster_extra.tpl"));
   5 $tpl->prepare();
   6
   7 $tpl->assign("images","./templates/$template_name/images");
   8
   9 $cpu_num = !$showhosts ? $metrics["cpu_num"]['SUM'] : cluster_sum("cpu_num", $metrics);
  10 $load_one_sum = !$showhosts ? $metrics["load_one"]['SUM'] : cluster_sum("load_one", $metrics);
  11 $load_five_sum = !$showhosts ? $metrics["load_five"]['SUM'] : cluster_sum("load_five", $metrics);
  12 $load_fifteen_sum = !$showhosts ? $metrics["load_fifteen"]['SUM'] : cluster_sum("load_fifteen", $metrics);
  13 #
  14 # Correct handling of *_report metrics
  15 #
  16 if (!$showhosts) {
  17   if(array_key_exists($metricname, $metrics))
  18      $units = $metrics[$metricname]['UNITS'];
  19   }
  20 else {
  21   if(array_key_exists($metricname, $metrics[key($metrics)]))
  22      $units = $metrics[key($metrics)][$metricname]['UNITS'];
  23   }
  24
  25 $tpl->assign("num_nodes", intval($cluster['HOSTS_UP']));
  26 if(isset($cluster['HOSTS_DOWN'])) {
  27     $tpl->assign("num_dead_nodes", intval($cluster['HOSTS_DOWN']));
  28 } else {
  29     $tpl->assign("num_dead_nodes", 0);
  30 }
  31 $tpl->assign("cpu_num", $cpu_num);
  32 $tpl->assign("localtime", date("Y-m-d H:i", $cluster['LOCALTIME']));
  33
  34 if (!$cpu_num) $cpu_num = 1;
  35 $cluster_load15 = sprintf("%.0f", ((double) $load_fifteen_sum / $cpu_num) * 100);
  36 $cluster_load5 = sprintf("%.0f", ((double) $load_five_sum / $cpu_num) * 100);
  37 $cluster_load1 = sprintf("%.0f", ((double) $load_one_sum / $cpu_num) * 100);
  38 $tpl->assign("cluster_load", "$cluster_load15%, $cluster_load5%, $cluster_load1%");
  39
  40 $cluster_url=rawurlencode($clustername);
  41
  42
  43 $tpl->assign("cluster", $clustername);
  44 #
  45 # Summary graphs
  46 #
  47 $graph_args = "c=$cluster_url&amp;$get_metric_string&amp;st=$cluster[LOCALTIME]";
  48 $tpl->assign("graph_args", $graph_args);
  49 if (!isset($optional_graphs))
  50         $optional_graphs = array();
  51 foreach ($optional_graphs as $g) {
  52         $tpl->newBlock('optional_graphs');
  53         $tpl->assign('name',$g);
  54         $tpl->assign('graph_args',$graph_args);
  55
  56 }
  57
  58 #
  59 # Correctly handle *_report cases and blank (" ") units
  60 #
  61 if (isset($units)) {
  62   if ($units == " ")
  63     $units = "";
  64   else
  65     $units=$units ? "($units)" : "";
  66 }
  67 else {
  68   $units = "";
  69 }
  70 $tpl->assign("metric","$metricname $units");
  71 $tpl->assign("sort", $sort);
  72 $tpl->assign("range", $range);
  73 # Host columns menu defined in header.php
  74 if ($showhosts)
  75   $tpl->assign("cols_menu", $cols_menu);
  76 $tpl->assign("checked$showhosts", "checked");
  77
  78 $sorted_hosts = array();
  79 $down_hosts = array();
  80 $percent_hosts = array();
  81 if ($showhosts)
  82    {
  83       foreach ($hosts_up as $host => $val)
  84          {
  85             $cpus = $metrics[$host]["cpu_num"]['VAL'];
  86             if (!$cpus) $cpus=1;
  87             $load_one  = $metrics[$host]["load_one"]['VAL'];
  88             $load = ((float) $load_one)/$cpus;
  89             $host_load[$host] = $load;
  90             if(isset($percent_hosts[load_color($load)])) {
  91                 $percent_hosts[load_color($load)] += 1;
  92             } else {
  93                 $percent_hosts[load_color($load)] = 1;
  94             }
  95             if ($metricname=="load_one")
  96                $sorted_hosts[$host] = $load;
  97             else if (isset($metrics[$host][$metricname]))
  98                $sorted_hosts[$host] = $metrics[$host][$metricname]['VAL'];
  99             else
 100                $sorted_hosts[$host] = "";
 101          }
 102
 103       foreach ($hosts_down as $host => $val)
 104          {
 105             $load = -1.0;
 106             $down_hosts[$host] = $load;
 107             if(isset($percent_hosts[load_color($load)])) {
 108                 $percent_hosts[load_color($load)] += 1;
 109             } else {
 110                 $percent_hosts[load_color($load)] = 1;
 111             }
 112          }
 113
 114       # Show pie chart of loads
 115       $pie_args = "title=" . rawurlencode("Cluster Load Percentages");
 116       $pie_args .= "&amp;size=250x150";
 117       foreach($load_colors as $name=>$color)
 118          {
 119             if (!array_key_exists($color, $percent_hosts))
 120                continue;
 121             $n = $percent_hosts[$color];
 122             $name_url = rawurlencode($name);
 123             $pie_args .= "&$name_url=$n,$color";
 124          }
 125    }
 126 else
 127    {
 128       # Show pie chart of hosts up/down
 129       $pie_args = "title=" . rawurlencode("Host Status");
 130       $pie_args .= "&amp;size=250x150";
 131       $up_color = $load_colors["25-50"];
 132       $down_color = $load_colors["down"];
 133       $pie_args .= "&amp;Up=$cluster[HOSTS_UP],$up_color";
 134       $pie_args .= "&amp;Down=$cluster[HOSTS_DOWN],$down_color";
 135    }
 136 $tpl->assign("pie_args", $pie_args);
 137
 138 # No reason to go on if we have no up hosts.
 139 if (!is_array($hosts_up) or !$showhosts) {
 140    $tpl->printToScreen();
 141    return;
 142 }
 143
 144 switch ($sort)
 145 {
 146    case "descending":
 147       arsort($sorted_hosts);
 148       break;
 149    case "by name":
 150       uksort($sorted_hosts, "strnatcmp");
 151       break;
 152    default:
 153    case "ascending":
 154       asort($sorted_hosts);
 155       break;
 156 }
 157
 158 $sorted_hosts = array_merge($down_hosts, $sorted_hosts);
 159
 160 # First pass to find the max value in all graphs for this
 161 # metric. The $start,$end variables comes from get_context.php,
 162 # included in index.php.
 163 list($min, $max) = find_limits($sorted_hosts, $metricname);
 164
 165 # Second pass to output the graphs or metrics.
 166 $i = 1;
 167
 168 foreach ( $sorted_hosts as $host => $value ) {
 169 #echo "$host: $value, ";
 170 }
 171
 172 foreach ( $sorted_hosts as $host => $value )
 173    {
 174       $tpl->newBlock ("sorted_list");
 175       $host_url = rawurlencode($host);
 176
 177       $host_link="\"?c=$cluster_url&amp;h=$host_url&amp;$get_metric_string\"";
 178       $textval = "";
 179
 180       #echo "$host: $value, ";
 181
 182       if (isset($hosts_down[$host]) and $hosts_down[$host])
 183          {
 184             $last_heartbeat = $cluster['LOCALTIME'] - $hosts_down[$host]['REPORTED'];
 185             $age = $last_heartbeat > 3600 ? uptime($last_heartbeat) : "${last_heartbeat}s";
 186
 187             $class = "down";
 188             $textval = "down <br>&nbsp;<font size=-2>Last heartbeat $age ago</font>";
 189          }
 190       else
 191          {
 192             if(isset($metrics[$host][$metricname]))
 193                 $val = $metrics[$host][$metricname];
 194             else
 195                 $val = NULL;
 196             $class = "metric";
 197
 198             if ($val['TYPE']=="timestamp" or
 199                 (isset($always_timestamp[$metricname]) and
 200                  $always_timestamp[$metricname]))
 201                {
 202                   $textval = date("r", $val['VAL']);
 203                }
 204             elseif ($val['TYPE']=="string" or $val['SLOPE']=="zero" or
 205                     (isset($always_constant[$metricname]) and
 206                     $always_constant[$metricname] or
 207                     ($max_graphs > 0 and $i > $max_graphs )))
 208                {
 209                   $textval = "$val[VAL] $val[UNITS]";
 210                }
 211             else
 212                {
 213                   $load_color = load_color($host_load[$host]);
 214                   $graphargs = (isset($reports[$metricname]) and
 215                                 $reports[$metricname]) ?
 216                         "g=$metricname&amp;" : "m=$metricname&amp;";
 217                   $graphargs .= "z=small&amp;c=$cluster_url&amp;h=$host_url"
 218                      ."&amp;l=$load_color&amp;v=$val[VAL]&amp;x=$max&amp;n=$min"
 219                      ."&amp;r=$range&amp;st=$cluster[LOCALTIME]";
 220                }
 221          }
 222
 223       if ($textval)
 224          {
 225             $cell="<td class=$class>".
 226                "<b><a href=$host_link>$host</a></b><br>".
 227                "<i>$metricname:</i> <b>$textval</b></td>";
 228          }
 229       else
 230          {
 231             $cell="<td><a href=$host_link>".
 232                "<img src=\"./graph.php?$graphargs\" ".
 233                "alt=\"$host\" border=0></a></td>";
 234          }
 235
 236       $tpl->assign("metric_image", $cell);
 237       if (! ($i++ % $hostcols) )
 238          $tpl->assign ("br", "</tr><tr>");
 239    }
 240
 241 $tpl->printToScreen();
 242 ?>
 243