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<?php
#
# Retrieves and parses the XML output from gmond. Results stored
# in global variables: $clusters, $hosts, $hosts_down, $metrics.
# Assumes you have already called get_context.php.
#
# If we are in compare_hosts, views and decompose_graph context we shouldn't attempt
# any connections to the gmetad
if (! in_array($context, $SKIP_GMETAD_CONTEXTS) ) {
if (! Gmetad($conf['ganglia_ip'], $conf['ganglia_port']) )
{
print "<H4>There was an error collecting ganglia data ".
"(${conf['ganglia_ip']}:${conf['ganglia_port']}): $error</H4>\n";
exit;
}
# If we have no child data sources, assume something is wrong.
if (!count($grid) and !count($cluster))
{
print "<H4>Ganglia cannot find a data source. Is gmond running?</H4>";
exit;
}
# If we only have one cluster source, suppress MetaCluster output.
if (count($grid) < 2 and $context=="meta")
{
# Lets look for one cluster (the other is our grid).
foreach($grid as $source)
if (isset($source['CLUSTER']) and $source['CLUSTER'])
{
$standalone = 1;
$context = "cluster";
# Need to refresh data with new context.
Gmetad($conf['ganglia_ip'], $conf['ganglia_port']);
$clustername = $source['NAME'];
}
}
}
?>
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