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Linear Gauge Dashlet code and zip #1

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Binary file added Linear Gauge Dashlet/linear_gauge.zip
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245 changes: 245 additions & 0 deletions Linear Gauge Dashlet/linear_gauge/gaugeshelper.php
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<?php
/**
* @param $host
* @param $service
* @param $ds
*
* @return bool
*/
if(!function_exists('gauges_dashlet_gauge_exists')) {
function gauges_dashlet_gauge_exists($host, $service, $ds)
{

$result = get_datasources($host, $service, $ds);

if (count($result) > 0)
return true;
return false;
}
}


/**
* @return mixed|string
*/
if(!function_exists('get_gauge_json')) {
function get_gauge_json()
{
$host = grab_request_var('host', '');
$service = grab_request_var('service', '');
$ds = grab_request_var('ds');

if (empty($host) || empty($service) || empty($ds)) {
return json_encode(get_datasources($host, $service, $ds));
}

$result = get_datasources($host, $service, $ds);
foreach ($result as $services)
foreach ($services as $service)
foreach ($service as $ds)
return json_encode($ds);
}
}

if(!function_exists('gauges_get_host_services')) {
function gauges_get_host_services()
{
$host = grab_request_var('host', '');

$backendargs = array(
'orderby' => "host_name:a,service_description:a",
'brevity' => 4);

if (!empty($host)) {
$services = array();
$backendargs['host_name'] = $host;
$objs = get_xml_service_status($backendargs);
foreach ($objs->servicestatus as $o) {
$services[] = strval($o->name);
}
return json_encode($services);
} else {
$hosts = array();
$objs = get_xml_host_status($backendargs);
foreach ($objs->hoststatus as $o) {
$hosts[] = strval($o->name);
}
return json_encode($hosts);
}
}
}

/**
* @param null $host
* @param null $service
* @param null $ds
*
* @return array
*/
if(!function_exists('get_datasources')) {
function get_datasources($host = null, $service = null, $ds = null)
{
$result = array();
$backendargs = array();

$backendargs["orderby"] = "host_name:a,service_description:a";
if ($host)
$backendargs["host_name"] = $host;
if ($service)
$backendargs["service_description"] = $service; // service

$services = get_xml_service_status($backendargs);
$hosts = get_xml_host_status($backendargs);

foreach ($services->servicestatus as $status) {
$status = (array)$status;
$result[$status['host_name']][$status['name']] = get_gauge_datasource($status, $ds);
if (empty($result[$status['host_name']]))
unset($result[$status['host_name']]);
}
if (empty($service) || $service == '_HOST_')
foreach ($hosts->hoststatus as $status) {
$status = (array)$status;
$result[$status['name']]['_HOST_'] = get_gauge_datasource($status, $ds);
if (empty($result[$status['name']]))
unset($result[$status['name']]);
}

return $result;
}
}

/**
* @param $status
* @param $ds_label
*
* @return array
*/
if(!function_exists('get_gauge_datasource')) {
function get_gauge_datasource($status, $ds_label)
{
$ds = array();

if (empty($status['performance_data'])) {
return '';
}

$perfdata_datasources = str_getcsv($status['performance_data'], " ", "&apos;");
foreach ($perfdata_datasources as $perfdata_datasource) {

$perfdata_s = explode('=', $perfdata_datasource);
$perfdata_name = trim(str_replace("apos;", "", $perfdata_s[0]));

// Strip bad char from key name and label (REMOVED for pnp convert function -JO)
//$perfdata_name = str_replace('\\', '', $perfdata_name);
//$perfdata_name = str_replace(' ', '_', $perfdata_name);
$perfdata_name = pnp_convert_object_name($perfdata_name);
if ($ds_label && $perfdata_name != $ds_label && $perfdata_name != pnp_convert_object_name($ds_label))
continue;
if (!isset($perfdata_s[1]))
continue;

//test=13; "test helo"=3;

$perfdata = explode(';', $perfdata_s[1]);
$current = preg_replace("/[^0-9.]/", "", grab_array_var($perfdata, 0, 0));

$ds[$perfdata_name]['label'] = $perfdata_name;
$ds[$perfdata_name]['current'] = round(floatval($current), 3);
$ds[$perfdata_name]['uom'] = str_replace($current, '', $perfdata[0]);
$ds[$perfdata_name]['warn'] = grab_array_var($perfdata, 1, 0);
$ds[$perfdata_name]['crit'] = grab_array_var($perfdata, 2, 0);
$ds[$perfdata_name]['min'] = floatval(grab_array_var($perfdata, 3, "0"));
$ds[$perfdata_name]['max'] = floatval(grab_array_var($perfdata, 4, "0"));

// Do some guessing if max is not set
if ($ds[$perfdata_name]['max'] == 0) {
if ($ds[$perfdata_name]['crit'] != 0 && $ds[$perfdata_name]['crit'] > 0) {
$ds[$perfdata_name]['max'] = $ds[$perfdata_name]['crit'] * 1.1;
} else if ($ds[$perfdata_name]['uom'] == '%') {
$ds[$perfdata_name]['max'] = 100;
}
}

// Do some rounding
$ds[$perfdata_name]['max'] = round($ds[$perfdata_name]['max'], 1);

// Remove the item if we were not able to determine the max
if ($ds[$perfdata_name]['max'] == 0) {
$ds[$perfdata_name]['max'] = 100;
}

// add yellowZones & redZones
if (!empty($ds[$perfdata_name]['warn'])) {
if (strpos($ds[$perfdata_name]['warn'], ":") !== false) {
// We are doing a range warning threshold
list($end, $start) = explode(":", $ds[$perfdata_name]['warn']);
$ds[$perfdata_name]['yellowZones'] = array(
array(
"from" => floatval($start),
"to" => floatval($end)
)
);
} else {
// Standard warning threshold
$ds[$perfdata_name]['yellowZones'] = array(
array(
"from" => floatval($ds[$perfdata_name]['warn']),
"to" => ($ds[$perfdata_name]['crit'] != 0) ? floatval($ds[$perfdata_name]['crit']) : $ds[$perfdata_name]['max'],
)
);
}
}

if (!empty($ds[$perfdata_name]['crit'])) {
if (strpos($ds[$perfdata_name]['crit'], ":") !== false) {
// We are doing a range warning threshold
list($end, $start) = explode(":", $ds[$perfdata_name]['crit']);
$ds[$perfdata_name]['redZones'] = array(
array(
"from" => floatval($start),
"to" => floatval($end)
)
);
} else {
// Standard critical threshold
$ds[$perfdata_name]['redZones'] = array(
array(
"from" => floatval($ds[$perfdata_name]['crit']),
"to" => $ds[$perfdata_name]['max'],
)
);
}
}
}

return $ds;
}
}

if (!function_exists('str_getcsv')) {

/**
* @param $input
* @param string $delimiter
* @param string $enclosure
* @param null $escape
* @param null $eol
*
* @return array
*/
function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = null, $eol = null)
{
$temp = fopen("php://memory", "rw");
fwrite($temp, $input);
fseek($temp, 0);
$r = array();
while (($data = fgetcsv($temp, 4096, $delimiter, $enclosure)) !== false) {
$r[] = $data;
}
fclose($temp);
return $r;
}
}

?>
36 changes: 36 additions & 0 deletions Linear Gauge Dashlet/linear_gauge/getdata.php
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<?php
//
// Gauge Dashlet
//
// Copyright (c) 2013-2015 Nagios Enterprises, LLC.
//
// LICENSE:
//
// Except where explicitly superseded by other restrictions or licenses, permission
// is hereby granted to the end user of this software to use, modify and create
// derivative works or this software under the terms of the Nagios Software License,
// which can be found online at:
//
// https://www.nagios.com/legal/licenses/
//

require_once(dirname(__FILE__) . '/../dashlethelper.inc.php');

// Initialization stuff
pre_init();
init_session();

// Grab GET or POST variables and check pre-reqs
grab_request_vars();
check_prereqs();
check_authentication(false);

$cmd = grab_request_var('cmd', '');

header('Content-Type: application/json');

if ($cmd == "noperfdata") {
echo gauges_get_host_services();
} else {
echo get_gauge_json();
}
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