function ganglia_events_api_error_handler ($no, $str, $file, $line, $context) {
switch ($no) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
api_return_error( "$file [$line] : $str" );
break;
}
}
function ganglia_api_error_handler($no, $str, $file, $line, $context)
{
switch ($no) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
api_return_error("{$file} [{$line}] : {$str}");
break;
}
}
$end_time = time();
} else {
if (is_numeric($_REQUEST['end_time'])) {
$end_time = $_REQUEST['end_time'];
} else {
$end_time = strtotime($_REQUEST['end_time']);
}
}
$event['end_time'] = $end_time;
}
$message = ganglia_events_add($event);
break;
case "edit":
$message = ganglia_event_modify($_REQUEST);
break;
case "remove":
case "delete":
if (!isset($_REQUEST['event_id'])) {
api_return_error("No event_id has been supplied.");
}
$message = ganglia_event_delete($_REQUEST['event_id']);
break;
case "list":
$message = ganglia_events_get();
break;
default:
api_return_error("No valid action specified");
break;
}
// end of switch ( $_REQUEST['action'] ) {
print json_encode($message);
<?php
/////////////////////////////////////////////////////////////////////////////
// This API allows you to get cluster name for a hostname
//
// Currently only query supported is
//
// hostname=YOURHOSTNAME&search_type=exact
//
// will give you back the an array of cluster names where host is in
/////////////////////////////////////////////////////////////////////////////
$conf['gweb_root'] = dirname(dirname(__FILE__));
include_once $conf['gweb_root'] . "/eval_conf.php";
include_once $conf['gweb_root'] . "/lib/common_api.php";
include_once $conf['gweb_root'] . "/functions.php";
ganglia_cache_metrics();
if (isset($_GET['hostname']) and isset($_GET['search_type']) and $_GET['search_type'] == "exact") {
$hostname = $_GET['hostname'];
if (isset($index_array['cluster'][$hostname])) {
api_return_ok($index_array['cluster'][$hostname]);
} else {
api_return_error("Cluster not found");
}
} else {
api_return_error("No valid search provided");
}
function ganglia_event_modify($event)
{
global $conf;
$event_found = 0;
$events_array = ganglia_events_get();
$new_events_array = array();
if (!isset($event['event_id'])) {
api_return_error("Event ID not found");
}
// isset event_id
foreach ($events_array as $k => $e) {
if ($e['event_id'] == $event['event_id']) {
$event_found = 1;
if (isset($event['start_time'])) {
if ($event['start_time'] == "now") {
$e['start_time'] = time();
} else {
if (is_numeric($event['start_time'])) {
$e['start_time'] = $event['start_time'];
} else {
$e['start_time'] = strtotime($event['start_time']);
}
}
}
// end isset start_time
foreach (array('cluster', 'description', 'summary', 'grid', 'host_regex') as $k) {
if (isset($event[$k])) {
$e[$k] = $event[$k];
}
}
// end foreach
if (isset($event['end_time'])) {
$e['end_time'] = $event['end_time'] == "now" ? time() : strtotime($event['end_time']);
}
// end isset end_time
}
// if event_id
// Add either original or modified event back in
$new_events_array[] = $e;
}
// foreach events array
if ($event_found == 1) {
$json = json_encode($new_events_array);
if (file_put_contents($conf['overlay_events_file'], $json) === FALSE) {
api_return_error("Can't write to file " . $conf['overlay_events_file'] . ". Perhaps permissions are wrong.");
} else {
$message = array("status" => "ok", "message" => "Event ID " . $event_id . " modified successfully");
}
}
// end if event_found
return $message;
}
}
file_put_contents($conf['nagios_cache_file'], serialize($new_metrics));
unset($metrics);
$metrics = $new_metrics;
unset($new_metrics);
}
# Get a list of all hosts
$ganglia_hosts_array = array_keys($metrics);
$host_found = 0;
# Find a FQDN of a supplied server name.
for ($i = 0; $i < count($ganglia_hosts_array); $i++) {
if (!strcasecmp($ganglia_hosts_array[$i], $host)) {
$fqdn = $ganglia_hosts_array[$i];
$host_found = 1;
break;
}
}
# Host has been found in the Ganglia tree
if ($host_found == 1) {
# Check for the existence of a metric
if (isset($metrics[$fqdn][$metric_name]['VAL'])) {
$metric_value = $metrics[$fqdn][$metric_name]['VAL'];
} else {
api_return_error($metric_name . " - Invalid metric request for this host. Please check metric exists.");
exit(3);
}
$ganglia_units = $metrics[$fqdn][$metric_name]['UNITS'];
api_return_ok(array('metric_value' => $metric_value, 'units' => $ganglia_units));
} else {
api_return_error($metric_name . " - Hostname info not available. Likely invalid hostname");
}
}
$view['items'][] = $item_array;
unset($item_array);
} else {
if ($_GET['type'] == "metric") {
$items = array("hostname" => $_GET['host_name'], "metric" => $_GET['metric_name']);
if (isset($_GET['vertical_label'])) {
$items["vertical_label"] = $_GET['vertical_label'];
}
if (isset($_GET['title'])) {
$items["title"] = $_GET['title'];
}
$view['items'][] = $items;
} else {
$view['items'][] = array("hostname" => $_GET['host_name'], "graph" => $_GET['metric_name']);
}
}
$json = json_encode($view);
if (file_put_contents($view_filename, json_prettyprint($json)) === FALSE) {
api_return_error("Can't write to file {$view_filename}. Perhaps permissions are wrong.");
} else {
api_return_ok("View has been updated successfully.");
}
// end of if ( file_put_contents($view_filename, $json) === FALSE )
}
// end of if ( $view_exists == 1 )
}
break;
// end add_to_view
}
// end case action
if (isset($v['TITLE'])) {
$graph_arguments['ti'] = $metrics[$cluster_url]['TITLE'];
}
$graph['description'] = isset($metrics[$cluster_url]['DESC']) ? $metrics[$cluster_url]['DESC'] : '';
$graph['title'] = isset($metrics[$cluster_url]['TITLE']) ? $metrics[$cluster_url]['TITLE'] : $rrd;
# Setup an array of groups that can be used for sorting in group view
if (isset($metrics[$name]['GROUP'])) {
$groups = $metrics[$name]['GROUP'];
} else {
$groups = array("");
}
$graph['graph_image'] = array('script' => 'graph.php', 'params' => $graph_arguments);
$graph['graph_url'] = form_image_url('graph.php', $graph_arguments);
$r['graph'][] = $graph;
}
// end foreach metrics
if ($debug) {
print "<pre>";
print_r($r);
die("</pre>");
}
api_return_ok($r);
break;
// end get
// end get
default:
api_return_error("Invalid action.");
break;
// bad action
}
// end case action
function ganglia_event_modify($event)
{
global $conf;
if (!isset($event['event_id'])) {
api_return_error("event_id not set");
}
$db =& MDB2::factory($conf['overlay_events_dsn']);
if (DB::isError($db)) {
api_return_error($db->getMessage());
}
$clauses = array();
if (isset($event['start_time'])) {
if ($event['start_time'] == "now") {
$start_time = time();
} else {
if (is_numeric($event['start_time'])) {
$start_time = $event['start_time'];
} else {
$start_time = strtotime($event['start_time']);
}
}
$clauses[] = "start_time = " . $db->quote($start_time, 'integer');
}
// end isset start_time
foreach (array('cluster', 'description', 'summary', 'grid', 'host_regex') as $k) {
if (isset($event[$k])) {
$clauses[] = "{$k} = " . $db->quote($event[$k], 'text');
}
}
// end foreach
if (isset($event['end_time'])) {
$end_time = $event['end_time'] == "now" ? time() : strtotime($event['end_time']);
$clauses[] = "end_time = " . $db->quote($end_time, 'integer');
}
// end isset end_time
$sql = "UPDATE overlay_events SET " . implode(",", $clauses) . " WHERE event_id = " . $db->quote($event['event_id'], 'integer');
$result =& $db->exec($sql);
if (PEAR::isError($result)) {
api_return_error($result->getMessage());
}
$message = array("status" => "ok", "event_id" => $event['event_id']);
return $message;
}
