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<?php
include_once("./eval_conf.php");
include_once("./functions.php");
//////////////////////////////////////////////////////////////////////////////////////////
// Print out
//////////////////////////////////////////////////////////////////////////////////////////
if ( ! isset($_REQUEST['view_name']) ) {
$available_views = get_available_views();
print "<form action=autorotation.php><select onchange='this.form.submit();' name=view_name><option value=none>Please choose...</option>";
foreach ( $available_views as $id => $view ) {
print "<option value='" . $view['view_name'] . "'>" . $view['view_name'] . "</option>";
}
print "</form>";
} else {
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
// We need metrics cache in order to derive cluster name particular host
// belongs to
retrieve_metrics_cache();
$available_views = get_available_views();
$view_found = 0;
$user['view_name'] = $_REQUEST['view_name'];
// I am not quite sure at this point whether I should cache view info so
// for now I will have to do this
foreach ( $available_views as $id => $view ) {
# Find view settings
if ( $user['view_name'] == $view['view_name'] ) {
$view_found = 1;
break;
}
}
unset($available_views);
if ( $view_found == 0 || sizeof($view['items']) == 0 ) {
die ("<font color=red size=4>There are no graphs in view you supplied or view does not exist.</font>");
}
# If timeout is specified use it. Otherwise default to 30 seconds.
if ( isset($_REQUEST['timeout']) and is_numeric($_REQUEST['timeout']) )
$timeout = $_REQUEST['timeout'];
else
$timeout = 30;
# This defines times when updates are happening. For instance if you want
# to turn off updating during non-business hours you would set
# office_hour_min = 8 and office_hour_max = 17. If you want them 24/7
# set min to 0 and max to 24.
$office_hour_min = 0;
$office_hour_max = 24;
# Graph sizes to use. Those have to be specified in /ganglia/conf.php
$small_size = "medium";
$large_size = "xlarge";
# Path to ganglia. It can be a real URL
$gangliapath = "graph.php?hc=4&st=";
# Get the requested graphid and store it in a somewhat more beautiful variable name
isset($_GET['id']) and is_numeric($_GET['id']) ? $id = $_GET['id'] : $id = 0;
// Let's get all View graph elements
$view_elements = get_view_graph_elements($view);
# The title of the next graph, with some logic to set the next to the first if we run out of graphs
if ($id < (count($view_elements) -1)) {
$nextid = $id+1;
} else {
$nextid = 0;
}
// The title of the graph
$title = $view_elements[$id]['name'];
# If it's not an aggregate graph put hostname in the title
$suffix = isset($view_elements[$nextid]['hostname']) ? " for " . $view_elements[$nextid]['hostname'] : "";
$nexttitle = $view_elements[$nextid]['name'] . $suffix;
?>
<html>
<head>
<title>Ganglia - Graph View</title>
<meta http-equiv="refresh" content="<?php print "$timeout;url=" . $_SERVER["SCRIPT_NAME"] . "?view_name=" . $user['view_name'] ."&id=" . $nextid; ?>&timeout=<?php print $timeout ?>">
<style>
body {
margin: 0px;
font-family: Tahoma, Helvetica, Verdana, Arial, sans-serif;
}
</style>
</head>
<body>
<?php
$current_hour = date('G');
#####################################################################################
# Check whether these are office hours. Display graphs only during office hours
# so that we can give Ganglia server a little breather from generating all those
# images
#####################################################################################
if ( $current_hour >= $office_hour_min && $current_hour <= $office_hour_max ) {
?>
<div style="position: fixed; left: 20; width: 800; top: 2; font-size: 30px;"><?php echo $title; ?></div>
<div style="position: fixed; left: 20; width: 600; top: 55; font-size: 20px;">Next: <?php echo $nexttitle ?></div><br />
<table>
<tr>
<td><img src="<?php echo $gangliapath . "&r=hour&z=${large_size}&" . $view_elements[$id]['graph_args']; ?>"><br />
<img src="<?php echo $gangliapath . "&r=day&z=${large_size}&" . $view_elements[$id]['graph_args']; ?>"></td>
<td valign="top">
<img src="<?php echo $gangliapath . "&r=week&z=${small_size}&" . $view_elements[$id]['graph_args']; ?>">
<img src="<?php echo $gangliapath . "&r=month&z=${small_size}&" . $view_elements[$id]['graph_args']; ?>">
<div style="margin-top: 10px; font-size: 48px; text-align: center;"><?php echo date(DATE_RFC850); ?></div>
<p>
<center><form>
<input type="hidden" name="view_name" value="<?php print htmlspecialchars($_GET['view_name']) ?>">
<input type="hidden" name="id" value="<?php print $nextid ?>">
Rotate graphs every <select onChange="form.submit();" name="timeout">
<?php
for ( $i = 10 ; $i <= 90 ; $i += 5 ) {
if ( $timeout == $i )
$selected = "selected";
else
$selected = "";
print "<option value='" . $i . "' $selected>$i</option>";
}
?>
</select> seconds.</form></center>
</p>
<center><a href="/ganglia/">Go back to Ganglia</a></center></div>
</td>
</tr>
</table>
<div>
<?php
} else {
?>
<div style="color: red; font-size: 72px;">
We are sleeping since it's off hours.<p>
Adjust $office_hour_min and $office_hour_max if this makes you unhappy</h3>
</div>
<div style="margin-top: 10px; font-size: 48px; text-align: center;"><?php echo date(DATE_RFC850); ?></div>
<?php
}
print " </body>
</html>";
} // end of if (!isset($_GET['view_name']
?>
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