application/helpers/nacoma.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Helper class for nacoma
   4  *
   5  * Copyright 2009 op5 AB
   6  *  op5, and the op5 logo are trademarks, servicemarks, registered servicemarks
   7  *  or registered trademarks of op5 AB.
   8  *  All other trademarks, servicemarks, registered trademarks, and registered
   9  *  servicemarks mentioned herein may be the property of their respective owner(s).
  10  *  The information contained herein is provided AS IS with NO WARRANTY OF ANY
  11  *  KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY, AND FITNESS FOR A
  12  *  PARTICULAR PURPOSE.
  13  */
  14 class nacoma_Core {
  15
  16         /**
  17         *       Check if a link to Nacoma should be displayed
  18         *       This depends on if Nacoma is actually available
  19         *       and if the user is authorized to use it.
  20         */
  21         public static function link($path=false, $img=false, $title=false)
  22         {
  23                 # don't try this if user isn't logged in
  24                 if (!Auth::instance()->logged_in()) {
  25                         return null;
  26                 }
  27                 if (!Auth::instance()->authorized_for('configuration_information') || Kohana::config('config.nacoma_path')===false) {
  28                         return false;
  29                 }
  30                 # create the link.
  31                 $link = false;
  32                 if (!empty($path) && !empty($img)) {
  33                         $link = html::anchor($path, html::image(ninja::add_path($img),array('alt' => $title, 'title' => $title)), array('style' => 'border: 0px'));
  34                 } else {
  35                         # helper only used to decide if the link should be displayed at all
  36                         $link = true;
  37                 }
  38                 return $link;
  39         }
  40
  41         /**
  42         *       Check if the current user is allowed to use Nacoma
  43         *
  44         *       @return true/false
  45         */
  46         public static function allowed() {
  47                 if (!Auth::instance()->logged_in()) {
  48                         return null;
  49                 }
  50
  51                 if (!Auth::instance()->authorized_for('configuration_information') || Kohana::config('config.nacoma_path')===false) {
  52                         return false;
  53                 }
  54
  55                 return true;
  56         }
  57
  58         /**
  59         *       Delete host (and associated services) using monitor CLI api
  60         *
  61         *       @param $host string host to be deleted
  62         */
  63         public static function delHost ($host) {
  64                 if (!nacoma::allowed())
  65                         return false;
  66
  67                 exec('php /opt/monitor/op5/nacoma/api/monitor.php -u ' . Auth::instance()->get_user()->username . ' -t host -n ' . escapeshellarg($host) . ' -a delete', $out, $retval);
  68                 var_dump($out);
  69                 return $retval === 0;
  70         }
  71
  72         /**
  73          * Given a service name, returns the name of the hostgroup this service
  74          * belongs to, or false if it is a host service.
  75          */
  76         public static function getHostgroupForService($service) {
  77                 if (!nacoma::allowed())
  78                         return false;
  79
  80                 exec('php /opt/monitor/op5/nacoma/api/monitor.php -u ' . Auth::instance()->get_user()->username . ' -t service -a show_object -n ' . escapeshellarg($service), $out, $retval);
  81                 if ($retval !== 0)
  82                         return false;
  83                 foreach ($out as $line) {
  84                         list($key, $val) = explode("=", $line);
  85                         if ($key == 'hostgroup_name')
  86                                 return $val;
  87                 }
  88                 return false;
  89         }
  90
  91         /**
  92         *       Delete the service using monitor CLI api
  93         *
  94         *       @param $service string service to be deleted, format HOST;SERVICE
  95         */
  96         public static function delService ($service) {
  97                 if (!nacoma::allowed())
  98                         return false;
  99
 100                 exec('php /opt/monitor/op5/nacoma/api/monitor.php -u ' . Auth::instance()->get_user()->username . ' -t service -n ' . escapeshellarg($service) . ' -a delete', $out, $retval);
 101                 var_dump($out);
 102                 return $retval === 0;
 103         }
 104 }