Added "Ping Response" graph to "Ping Only" Device Overview page (#13886)

* Add Ping performance to Device Overview page

Only if device type is "Ping Only"

* Re-use $perf_url

includes/html/pages/device/overview.inc.php

@@ -30,6 +30,10 @@ if ($device['os'] == 'cimc') {
     require 'overview/cimc.inc.php';
 }
 
+if ($device['os'] == 'ping') {
+    require 'overview/ping.inc.php';
+}
+
 echo '
     </div>
     <div class="col-md-6">

includes/html/pages/device/overview/ping.inc.php

@@ -0,0 +1,34 @@
+<?php
+
+$perf = \DeviceCache::getPrimary()->perf;
+
+if ($perf->isNotEmpty()) {
+    $perf_url = Url('device') . '/device=' . DeviceCache::getPrimary()->device_id . '/tab=graphs/group=poller/';
+    echo '
+        <div class="row">
+        <div class="col-md-12">
+        <div class="panel panel-default panel-condensed">
+        <div class="panel-heading">
+        <a href="' . $perf_url . '">
+        <i class="fas fa-area-chart fa-lg icon-theme" aria-hidden="true"></i><strong>Ping Response</strong></a>
+        </div>
+        <table class="table table-hover table-condensed table-striped">
+            <tr>
+            <td colspan="4">';
+
+    $graph = \App\Http\Controllers\Device\Tabs\OverviewController::setGraphWidth([
+        'device' => DeviceCache::getPrimary()->device_id,
+        'type' => 'device_ping_perf',
+        'from' => \LibreNMS\Config::get('time.day'),
+        'legend' => 'yes',
+        'popup_title' => DeviceCache::getPrimary()->hostname . ' - Ping Response',
+    ]);
+
+    echo \LibreNMS\Util\Url::graphPopup($graph, \LibreNMS\Util\Url::lazyGraphTag($graph), $perf_url);
+    echo '  </td>
+            </tr>
+        </table>
+        </div>
+        </div>
+        </div>';
+}//end if