$opt->parse();
try {
$key = empty($opt->key) ? getenv('AWS_ACCESS_KEY') : $opt->key;
$secret = empty($opt->secret) ? getenv('AWS_SECRET_KEY') : $opt->secret;
$region = empty($opt->region) ? getenv('AWS_REGION') : $opt->region;
$instanceId = $opt->instance;
$exclusions = empty($opt->exclude) ? array() : array_map('trim', explode(',', $opt->exclude));
$dryRun = (bool) $opt->{'dry-run'};
$client = Ec2Client::factory(array('key' => $key, 'secret' => $secret, 'region' => $region));
$clientHelper = new Ec2ClientHelper($client);
if (empty($instanceId)) {
$hostname = gethostname() . '.';
$instance = $clientHelper->getInstanceByHostname($hostname);
$instanceId = $instance['InstanceId'];
} else {
$instance = $clientHelper->getInstanceById($instanceId);
}
$instanceName = $clientHelper->resolveInstanceName($instance);
$console->writeLine("Creating snapshots of {$instanceName}");
$volumes = $clientHelper->getVolumesByInstance($instanceId);
if (count($volumes) === 0) {
throw new Exception('No volumes found');
}
$toBackup = array();
foreach ($volumes as $volume) {
$attachment = $clientHelper->getVolumeAttachmentForInstance($volume['Attachments'], $instanceId);
$volumeId = $attachment['VolumeId'];
$device = $attachment['Device'];
if (in_array($volumeId, $exclusions) || in_array($device, $exclusions)) {
$console->writeLine("Excluding {$volumeId} on {$device}", Color::YELLOW);
} else {
