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用php撰写Nagios插件

发布时间:2023-11-08 11:09:05 所属栏目:教程 来源:转载
导读:   最近写了一个检测网站是否能正常登陆的php脚本,并可以作为Nagios插件使用



  Nagios插件是Nagios提供的一种可通过扩展方式部署的组件,该插件支持Java、C\C++、php等多种语言开
  最近写了一个检测网站是否能正常登陆的php脚本,并可以作为Nagios插件使用
 
  Nagios插件是Nagios提供的一种可通过扩展方式部署的组件,该插件支持Java、C\C++、php等多种语言开发,操作员通过修改配置文件和相应参数,就能很方便地将该插件集成到Nagios中,实现对目标系统的监控。
 
  Nagios插件程序可以提供两个返回值,一个是插件的退出状态码,一个是插件在控制台打印的第一行数据。退出状态码可以被Nagios主程序作为判断被监控系统服务状态的依据,控制台打印的第一行数据可以被Nagios主程序作为被监控系统服务状态的补充说明。
 
  Nagios主程序可识别的状态码和说明如下:
 
  状态码     说明
 
  0     OK
 
  1     WARNING
 
  2     CRITICAL
 
  3     UNKOWN
 
  ********下面是php脚本的内容***********
 
  #!/usr/bin/php
 
  if($argc < 3){
 
  echo 'php '.$argv[0].'  ‘.PHP_EOL;
 
  exit(1);
 
  }
 
  class http{
 
     private $_curl;
 
     private $_user_agent;
 
     private $_cookie;
 
     private $_getopt = array();
 
     private $_postopt = array();
 
     function __construct(){
 
         $this->_user_agent = ‘Mozilla/5.0 (Windows NT 6.1; rv:15.0) Gecko/20100101 Firefox/15.0.1′;
 
         $this->_cookie = ‘/tmp/cookie.txt’;
 
     }
 
     public function get($url){
 
         $this->_getopt = array(CURLOPT_CONNECTTIMEOUT => 20,
 
                                CURLOPT_URL => $url,
 
                                CURLOPT_HEADER => 0,
 
                                CURLOPT_NOBODY => 1,
 
                                //CURLOPT_COOKIEJAR => $this->_cookie,
 
                                //CURLOPT_COOKIEFILE => $this->_cookie,
 
                                CURLOPT_USERAGENT => $this->_user_agent,
 
                                CURLOPT_RETURNTRANSFER => 1);
 
         $this->_curl = curl_init();
 
         curl_setopt_array($this->_curl, $this->_getopt);
 
         $data = curl_exec($this->_curl);
 
         $http_code = curl_getinfo($this->_curl, CURLINFO_HTTP_CODE);
 
         $time_total = curl_getinfo($this->_curl, CURLINFO_TOTAL_TIME);
 
         $retval = $http_code.’,’.$time_total;
 
         curl_close($this->_curl);
 
         return $retval;
 
     }
 
     public function post($url,Array $post){
 
         $this->_postopt = array(CURLOPT_CONNECTTIMEOUT => 20,
 
                                 CURLOPT_URL => $url,
 
                                 CURLOPT_HEADER => 0,
 
                                     CURLOPT_COOKIEJAR => $this->_cookie,
 
                                 CURLOPT_POST => 1,
 
                                 CURLOPT_POSTFIELDS => http_build_query($post),
 
                                 CURLOPT_USERAGENT => $this->_user_agent,
 
                                 CURLOPT_RETURNTRANSFER => 1);
 
         $this->_curl = curl_init();
 
         curl_setopt_array($this->_curl, $this->_postopt);
 
         $data = curl_exec($this->_curl);
 
         curl_close($this->_curl);
 
         return $data;
 
     }
 
     public function rpost($url){
 
         $this->_postopt = array(CURLOPT_CONNECTTIMEOUT => 20,
 
                                                                 CURLOPT_URL => $url,
 
                                                                 CURLOPT_HEADER => 1,
 
                                                                 CURLOPT_NOBODY => 1,
 
                                                                 CURLOPT_COOKIEFILE => $this->_cookie,
 
                                                                 CURLOPT_USERAGENT => $this->_user_agent,
 
                                                                 CURLOPT_RETURNTRANSFER => 1);
 
         $this->_curl = curl_init();
 
         curl_setopt_array($this->_curl, $this->_postopt);
 
         $data = curl_exec($this->_curl);
 
         $http_code = curl_getinfo($this->_curl, CURLINFO_HTTP_CODE);
 
         $time_namelookup = curl_getinfo($this->_curl, CURLINFO_NAMELOOKUP_TIME);
 
         $time_connect = curl_getinfo($this->_curl, CURLINFO_CONNECT_TIME);
 
         $time_starttransfer = curl_getinfo($this->_curl, CURLINFO_STARTTRANSFER_TIME);
 
         $time_total = curl_getinfo($this->_curl, CURLINFO_TOTAL_TIME);
 
         $size_download = curl_getinfo($this->_curl, CURLINFO_SIZE_DOWNLOAD);
 
         $speed_download = curl_getinfo($this->_curl, CURLINFO_SPEED_DOWNLOAD);
 
         curl_close($this->_curl);
 
         //$retval = date(‘Y-m-d_H:i:s’).’,’.$http_code.’,’.$time_namelookup.’,’.$time_connect.’,’.$time_starttransfer.’,’.$time_total.’,’.$size_download.’,’.$speed_download.’,’.$url;
 
         $retval = $http_code.’,’.$time_total;
 
         return $retval;
 
     }
 
  }
 
  class ciwong{
 
  private $_username;
 
  private $_passwd;
 
  private $_http;
 
  private $_sid;
 
  function __construct($username = ’3sdf’, $passwd = ‘dfser’){
 
  $this->_username = $username;
 
  $this->_passwd = $passwd;
 
  $this->_http = new http();
 
  }
 
  public function postLogin($url){
 
  $post_url = ‘http://passport.ciwong.com/signin’;
 
  $post['username'] = $this->_username;
 
  $post['password'] = $this->_passwd;
 
  $post['returnUrl'] = $url;
 
  $data = $this->_http->post($post_url, $post);
 
  $data = $this->_http->rpost($url);
 
  return $data;
 
  }
 
  public function getUrl($url){
 
  $data = $this->_http->get($url);
 
  return $data;
 
  }
 
  }
 
  $type = $argv[1];
 
  $url = $argv[2];
 
  $username = ’3244′;
 
  $passwd = ’3423′;
 
  $status_ok = 0;
 
  $status_warning = 1;
 
  $cw = new ciwong($username, $passwd);
 
  switch($type){
 
  case ‘get’:
 
  $retval = $cw->getUrl($url);
 
         list($http_status, $time_total) = explode(‘,’, $retval);
 
         if ($http_status==200 || $http_status==301 || $http_status==302){
 
             echo “HTTP OK: Status line output is \”$http_status\” – $time_total second response time\n”;
 
             exit($status_ok);
 
         }else{
 
             echo “HTTP WARNING: Status line output is \”$http_status\” – $time_total second response time\n”;
 
             exit($status_warning);
 
         }
 
  break;
 
  case ‘post’:
 
  $retval = $cw->postLogin($url);
 
         list($http_status, $time_total) = explode(‘,’, $retval);
 
         if($http_status==200 || $retval==301 || $retval==302){
 
             echo “HTTP OK: Status line output is \”$http_status\” – $time_total second response time\n”;
 
             exit($status_ok);
 
         }else{
 
             echo “HTTP WARNING: Status line output is \”$http_status\” – $time_total second response time\n”;
 
             exit($status_warning);
 
         }
 
  break;
 
  default:
 
         echo ‘php ‘.$argv[0].’  ‘.PHP_EOL;
 
         exit(1);
 
  }
 
  ***********************over*******************************
 

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