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

   1 <?php
   2 /* $Id: get_context.php 970 2008-02-14 19:16:19Z carenas $ */
   3
   4 $meta_designator = "Grid";
   5 $cluster_designator = "Cluster Overview";
   6
   7 # Blocking malicious CGI input.
   8 $clustername = isset($_GET["c"]) ?
   9         escapeshellcmd( clean_string( rawurldecode($_GET["c"]) ) ) : NULL;
  10 $gridname = isset($_GET["G"]) ?
  11         escapeshellcmd( clean_string( rawurldecode($_GET["G"]) ) ) : NULL;
  12 $hostname = isset($_GET["h"]) ?
  13         escapeshellcmd( clean_string( rawurldecode($_GET["h"]) ) ) : NULL;
  14 $range = isset( $_GET["r"] ) && in_array($_GET["r"], array_keys( $time_ranges ) ) ?
  15         escapeshellcmd( rawurldecode($_GET["r"])) : NULL;
  16 $metricname = isset($_GET["m"]) ?
  17         escapeshellcmd( clean_string( rawurldecode($_GET["m"]) ) ) : NULL;
  18 $sort = isset($_GET["s"]) ?
  19         escapeshellcmd( clean_string( rawurldecode($_GET["s"]) ) ) : NULL;
  20 $controlroom = isset($_GET["cr"]) ?
  21         clean_number( rawurldecode($_GET["cr"]) ) : NULL;
  22 $hostcols = isset($_GET["hc"]) ?
  23         clean_number( $_GET["hc"] ) : NULL;
  24 # Flag, whether or not to show a list of hosts
  25 $showhosts = isset($_GET["sh"]) ?
  26         clean_number( $_GET["sh"] ) : NULL;
  27 # The 'p' variable specifies the verbosity level in the physical view.
  28 $physical = isset($_GET["p"]) ?
  29         clean_number( $_GET["p"] ) : NULL;
  30 $tree = isset($_GET["t"]) ?
  31         escapeshellcmd($_GET["t"] ) : NULL;
  32 # A custom range value for job graphs, in -sec.
  33 $jobrange = isset($_GET["jr"]) ?
  34         clean_number( $_GET["jr"] ) : NULL;
  35 # A red vertical line for various events. Value specifies the event time.
  36 $jobstart = isset($_GET["js"]) ?
  37         clean_number( $_GET["js"] ) : NULL;
  38 # The direction we are travelling in the grid tree
  39 $gridwalk = isset($_GET["gw"]) ?
  40         escapeshellcmd( clean_string( $_GET["gw"] ) ) : NULL;
  41 # Size of the host graphs in the cluster view
  42 $clustergraphsize = isset($_GET["z"]) && in_array( $_GET[ 'z' ], $graph_sizes_keys ) ?
  43     escapeshellcmd($_GET["z"]) : NULL;
  44 # A stack of grid parents. Prefer a GET variable, default to cookie.
  45 if (isset($_GET["gs"]) and $_GET["gs"])
  46       $gridstack = explode(":", clean_string( rawurldecode($_GET["gs"] ) ) );
  47 else
  48       $gridstack = explode(":", clean_string( $_COOKIE["gs"] ) );
  49
  50 # Assume we are the first grid visited in the tree if there are no CGI variables,
  51 # or gridstack is not well formed. Gridstack always has at least one element.
  52 if (!count($_GET) or !strstr($gridstack[0], "http://"))
  53       $initgrid=TRUE;
  54
  55 # Default values
  56 if (!is_numeric($hostcols)) $hostcols = 4;
  57 if (!is_numeric($showhosts)) $showhosts = 1;
  58
  59 # Set context.
  60 if(!$clustername && !$hostname && $controlroom)
  61    {
  62       $context = "control";
  63    }
  64 else if ($tree)
  65    {
  66       $context = "tree";
  67    }
  68 else if(!$clustername and !$gridname and !$hostname)
  69    {
  70       $context = "meta";
  71    }
  72 else if($gridname)
  73    {
  74       $context = "grid";
  75    }
  76 else if ($clustername and !$hostname and $physical)
  77    {
  78       $context = "physical";
  79    }
  80 else if ($clustername and !$hostname and !$showhosts)
  81    {
  82       $context = "cluster-summary";
  83    }
  84 else if($clustername and !$hostname)
  85    {
  86       $context = "cluster";
  87    }
  88 else if($clustername and $hostname and $physical)
  89    {
  90       $context = "node";
  91    }
  92 else if($clustername and $hostname)
  93    {
  94       $context = "host";
  95    }
  96
  97 if (!$range)
  98       $range = "$default_range";
  99
 100 $end = "N";
 101
 102 # $time_ranges defined in conf.php
 103 if( $range == 'job' && isSet( $jobrange ) ) {
 104   $start = $jobrange;
 105 } else if( isSet( $time_ranges[ $range ] ) ) {
 106   $start = $time_ranges[ $range ] * -1;
 107 } else {
 108   $start = $time_ranges[ $default_time_range ] * -1;
 109 }
 110
 111 if (!$metricname)
 112       $metricname = "$default_metric";
 113
 114 if (!$sort)
 115       $sort = "descending";
 116
 117 # Since cluster context do not have the option to sort "by hosts down" or
 118 # "by hosts up", therefore change sort order to "descending" if previous
 119 # sort order is either "by hosts down" or "by hosts up"
 120 if ($context == "cluster") {
 121     if ($sort == "by hosts up" || $sort == "by hosts down") {
 122         $sort = "descending";
 123     }
 124 }
 125
 126 # A hack for pre-2.5.0 ganglia data sources.
 127 $always_constant = array(
 128    "swap_total" => 1,
 129    "cpu_speed" => 1,
 130    "swap_total" => 1
 131 );
 132
 133 $always_timestamp = array(
 134    "gmond_started" => 1,
 135    "reported" => 1,
 136    "sys_clock" => 1,
 137    "boottime" => 1
 138 );
 139
 140 # List of report graphs
 141 $reports = array(
 142    "load_report" => "load_one",
 143    "cpu_report" => 1,
 144    "mem_report" => 1,
 145    "network_report" => 1,
 146    "packet_report" => 1
 147 );
 148
 149 ?>