#!/usr/bin/php
<?php
require_once __DIR__ . '/vendor/autoload.php';
// Commandline arguments are used to set the correct parameters
$region = $argv[1];
$warningLevel = $argv[2];
$criticalLevel = $argv[3];
use Aws\Ec2\Ec2Client;
$options = ['region' => $region, 'version' => '2015-04-15'];
// Settings up the AWS API connection
$ec2client = new Ec2Client($options);
$result = $ec2client->describeInstanceStatus(['IncludeAllInstances' => true, 'Filters' => [['Name' => 'event.code', 'Values' => ['instance-stop', 'instance-retirement']]]]);
$criticalAlerts = $warningAlerts = 0;
if ($result->hasKey('InstanceStatuses')) {
$instances = $result->get('InstanceStatuses');
if (count($instances) > 0) {
$today = new DateTime('NOW');
echo count($instances) . " unhealthy instance(s)\n";
foreach ($instances as $instance) {
echo "{Instance [" . $instance['InstanceId'] . "] ";
foreach ($instance['Events'] as $event) {
echo sprintf('%s on (%s) - %s', $event['Code'], $event['NotBefore']->format('m-d-Y'), $event['Description']);
$diff = $today->diff($event['NotBefore']);
if ($diff->d <= $criticalLevel) {
++$criticalAlerts;
} elseif ($diff->d <= $warningLevel) {
++$warningAlerts;
}
}
echo "}\n";
}
