application/controllers/outages.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Status controller
   4  *
   5  *  op5, and the op5 logo are trademarks, servicemarks, registered servicemarks
   6  *  or registered trademarks of op5 AB.
   7  *  All other trademarks, servicemarks, registered trademarks, and registered
   8  *  servicemarks mentioned herein may be the property of their respective owner(s).
   9  *  The information contained herein is provided AS IS with NO WARRANTY OF ANY
  10  *  KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY, AND FITNESS FOR A
  11  *  PARTICULAR PURPOSE.
  12  */
  13 class Outages_Controller extends Authenticated_Controller
  14 {
  15         const SERVICE_SEVERITY_DIVISOR = 4; /**< Magical constant that tells us how many times less interesting a service is compared to a host */
  16
  17         /**
  18         *       @name   index
  19         *       @desc   default method
  20         *
  21         */
  22         public function index()
  23         {
  24                 return $this->display_network_outages();
  25         }
  26
  27         /**
  28         *       shows all hosts that are causing network outages
  29         */
  30         public function display_network_outages()
  31         {
  32                 $ls = Livestatus::instance();
  33                 $outages = $ls->getHosts( array(
  34                         'filter' => array(
  35                                 'state'  => 1,
  36                                 'childs' => array(
  37                                         '!=' => ''
  38                                 )
  39                         )
  40                 ));
  41
  42
  43                 if(count($outages) > 0) {
  44                         foreach($outages as &$host) {
  45
  46                                 # count number of affected hosts / services
  47
  48                                 list($affected_hosts,$affected_services,$severity) = $this->count_affected_hosts_and_services($host['name']);
  49                                 $host['affected_hosts']    = $affected_hosts;
  50                                 $host['affected_services'] = $affected_services;
  51                                 $host['severity']          = $severity;
  52
  53                         }
  54                 }
  55
  56
  57                 $this->template->toolbar = new Toolbar_Controller( _("Network outages"), _("Blocking outages") );
  58
  59                 $this->template->content = $this->add_view('outages/network_outages');
  60                 $content = $this->template->content;
  61                 $content->title = _('Blocking Outages');
  62
  63                 $content->outage_data = $outages;
  64                 $this->template->title = _('Monitoring » Network outages');
  65         }
  66
  67
  68         private function count_affected_hosts_and_services($host) {
  69                 /* FIXME: This method needs to be partly implemented in livestatus.
  70                  * That can be done by allowing the recursion in childs/parents-column
  71                  * to be handled within livestatus, and do a simple Stats-request instead
  72                  */
  73                 $affected_hosts    = 0;
  74                 $affected_services = 0;
  75
  76                 $hosts_to_test = array($host);
  77                 $hosts_services = array();
  78
  79                 $ls = Livestatus::instance();
  80                 $lsb = $ls->getBackend();
  81
  82                 $severity_value = 0;
  83
  84                 /* Iterate through all hosts with children. */
  85                 while( !empty( $hosts_to_test ) ) {
  86                         $host_name = array_shift($hosts_to_test);
  87
  88                         /* Skip if already tested... */
  89                         if(isset($hosts_services[$host_name]))
  90                                 continue;
  91
  92                         $host = $ls->getHosts(array(
  93                                         'filter'=>array('name'=>$host_name),
  94                                         'columns' => array('name', 'childs', 'hourly_value', 'num_services')
  95                         ));
  96                         $service_value = $lsb->getStats('services', array('value' => 'sum hourly_value'), array(
  97                                         'filter' => array('host_name'=>$host[0]['name'])
  98                                         ));
  99
 100                         $hosts_services[$host_name] = $host[0]['num_services'];
 101                         $hosts_to_test += $host[0]['childs'];
 102
 103                         $severity_value += $host[0]['hourly_value'] + $service_value[0]['value'];
 104                 }
 105
 106                 return array(count($hosts_services), array_sum($hosts_services), $severity_value);
 107         }
 108
 109 }