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<?php |
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namespace App\Console\Commands; |
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use App\Console\LnmsCommand; |
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use App\Models\Device; |
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use Illuminate\Support\Str; |
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use LibreNMS\Util\Snmpsim; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Process\Process; |
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class DevSimulate extends LnmsCommand |
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{ |
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protected $name = 'dev:simulate'; |
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protected $developer = true; |
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/** |
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* @var Snmpsim |
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*/ |
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protected $snmpsim = null; |
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/** |
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* The console command description. |
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* |
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* @var string |
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*/ |
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protected $description = 'Simulate devices using test data'; |
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/** |
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* Create a new command instance. |
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* |
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* @return void |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->addArgument('file', InputArgument::OPTIONAL); |
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$this->addOption('multiple', 'm', InputOption::VALUE_NONE); |
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$this->addOption('remove', 'r', InputOption::VALUE_NONE); |
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} |
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/** |
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* Execute the console command. |
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* |
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* @return int |
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*/ |
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public function handle() |
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{ |
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$this->snmpsim = new Snmpsim(); |
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$snmprec_dir = $this->snmpsim->getDir(); |
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$listen = $this->snmpsim->getIp() . ':' . $this->snmpsim->getPort(); |
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$snmpsim = new Process([ |
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$this->snmpsim->findSnmpsimd(), |
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"--data-dir=$snmprec_dir", |
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"--agent-udpv4-endpoint=$listen", |
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]); |
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$snmpsim->setTimeout(null); |
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$snmpsim->run(function ($type, $buffer) use ($listen) { |
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if (Process::ERR === $type) { |
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if (Str::contains($buffer, $listen)) { |
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$this->line(trim($buffer)); |
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$this->started(); |
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$this->line(trans('commands.dev:simulate.exit')); |
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} |
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} |
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}); |
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if (! $snmpsim->isSuccessful()) { |
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$this->line($snmpsim->getErrorOutput()); |
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} |
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return 0; |
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} |
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private function started() |
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{ |
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if ($file = $this->argument('file')) { |
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$this->addDevice($file); |
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} |
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} |
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private function addDevice($community) |
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{ |
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$hostname = $this->option('multiple') ? $community : 'snmpsim'; |
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$device = Device::firstOrNew(['hostname' => $hostname]); |
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$action = $device->exists ? 'updated' : 'added'; |
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$device->overwrite_ip = $this->snmpsim->getIp(); |
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$device->port = $this->snmpsim->getPort(); |
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$device->snmpver = 'v2c'; |
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$device->transport = 'udp'; |
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$device->community = $community; |
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$device->last_discovered = null; |
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$device->status_reason = ''; |
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$device->save(); |
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$this->info(trans("commands.dev:simulate.$action", ['hostname' => $device->hostname, 'id' => $device->device_id])); |
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// set up removal shutdown function if requested |
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if ($this->option('remove')) { |
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$this->queueRemoval($device->device_id); |
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} |
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} |
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private function queueRemoval($device_id) |
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{ |
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if (function_exists('pcntl_signal')) { |
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pcntl_signal(SIGINT, function () { |
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exit(); // exit normally on SIGINT |
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}); |
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} |
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register_shutdown_function(function () use ($device_id) { |
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Device::findOrNew($device_id)->delete(); |
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$this->info(trans('commands.dev:simulate.removed', ['id' => $device_id])); |
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exit(); |
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}); |
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} |
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public function completeArgument($name, $value) |
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{ |
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if ($name == 'file') { |
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return collect(glob(base_path('tests/snmpsim/*.snmprec')))->map(function ($file) { |
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return basename($file, '.snmprec'); |
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})->filter(function ($snmprec) use ($value) { |
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return ! $value || Str::startsWith($snmprec, $value); |
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})->all(); |
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} |
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return false; |
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} |
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} |
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