Contao-Monitoring mit Icinga

Das Check-Contao-Update-Skript

# Angeregt von Admin Intelligence https://blog.admin-intelligence.de/nextcloud-mit-icinga2-auf-updates-ueberpruefen/
#!/usr/bin/php
<?php

# Source
# 

$shortopts  = "";
$shortopts .= "H:";  // Hostname
$shortopts .= "T:";  // Token
$shortopts .= "S";   // noSSL
$shortopts .= "c";   // no contao-manager via href
$shortopts .= "p";   // perfdata output
$longopts = array(
  "help"
);

$options = getopt($shortopts, $longopts);

if(array_key_exists("help",$options)){
  echo "HELP:\n";
  echo " -H hostname (required)\n";
  echo " -T token (required)\n";
  echo " -S SSL\n";
  echo " -c contao-manager via href\n";
  echo " -p perfdata output\n";
  exit(3);
}
if (!function_exists('curl_exec')){
  echo "Please install curl";
  exit(3);
}

if(!array_key_exists("H",$options)){
  echo "Please Specify a Host";
  exit(3);
}

if(!array_key_exists("T",$options)){
  echo "Please Specify a Token";
  exit(3);
}

if(!array_key_exists("S",$options)){
  $contao_server = "https://".$options["H"];
}else{
  $contao_server = "http://".$options["H"];
}
$contao_status_url = "$contao_server/contao-manager.phar.php/api/server/contao";

function error($e){
  echo "Something went wrong: $e";
  exit(3);
}

function get_newest_version($contao_releases = "https://api.github.com/repos/contao/contao/tags?per_page=100"){
  require_once realpath( dirname( __FILE__ ) )."/config.php";

  $headers = array(
    'Content-Type: application/json',
    'Accept: application/vnd.github+json',
    'Authorization: Bearer ' . $github_token,
  );

  $curl = curl_init($contao_releases);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($curl, CURLOPT_USERAGENT, 'Icinga');
  curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
  
  try{
    $response = curl_exec ($curl);
    curl_close($curl);
  }catch(Exception $e){
    error($e);
  }

  $arrData = json_decode($response, true);
  if(is_array($arrData)){
    $return = [];
    foreach ($arrData as $data) {
      $arrVersion = explode('.', $data['name']);
      $strMainVersion = $arrVersion[0] . '.' . $arrVersion[1];
      $return[$strMainVersion][] = $data['name'];
    }
    foreach ($return as $strMainVersion => $data) {
      $arrMainVersions = array_keys($contaoVersions);
      if(!in_array($strMainVersion, $arrMainVersions)) {
        unset($return[$strMainVersion]);
      }
    }
    foreach ($return as $strMainVersion => $data) {
      $return[$strMainVersion] = $data[0];
    }
    return $return;
  }
  return false;
}

function get_installed_version($contao_status_url , $token){

  $headers = array(
    'Content-Type: application/json',
    'Connection: Close',
    'Authorization: Bearer ' . $token,
  );  

  $curl = curl_init($contao_status_url);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($curl, CURLOPT_USERAGENT, 'Icinga');
  curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
  
  try{
    $response = curl_exec ($curl);
    curl_close($curl);
  }catch(Exception $e){
    error($e);
  }

  $arrData = json_decode($response, true);
  if(is_array($arrData)){
    return $arrData["version"];
  }
  return false;
}

# get data
$newer=get_newest_version();
$actual=get_installed_version($contao_status_url, $options["T"]);

$arrVersion = explode('.', $actual);
$strMainVersion = $arrVersion[0] . '.' . $arrVersion[1];
$newer = $newer[$strMainVersion];

# perfdata
if(array_key_exists("p",$options)){
  $perfdata = "running=".str_replace(".", "", $actual)." stable=".str_replace(".", "", $newer);
}
else {
  $perfdata = "";
}

# output
if (version_compare($newer,$actual,"eq")) {
  if (!array_key_exists("c",$options)) {
    echo "<a href='$contao_server/contao-manager.phar.php' target=_blank>Current version is ($actual). (channel: stable, version: $newer)|$perfdata</a>";
  } else {
    echo "Current version is ($actual). (channel: stable, version: $newer)|$perfdata";
  }
  exit(0);
} else {
  if (!array_key_exists("c",$options)) {
    echo "<a href='$contao_server/contao-manager.phar.php' target=_blank>Current version is ($actual). Update to contao $newer available. (channel: stable)|$perfdata</a>";
  } else {
    echo "Current version is ($actual). Update to contao $newer available. (channel: stable)|$perfdata";
  }
  exit(1);
}

Icinga-Command

object CheckCommand "check_contao_updates" {
  import "plugin-check-command"
  command = [PluginDir + "/check_contao_update.php" ]
  arguments += {	
     "-H" = {
      required = true
      value = "$contao_host$"
     }
     "-T" = {
      required = true
      value = "$contao_managertoken$"
     }
  }
}