#23540: Queue consumers.

Add command to restart consumers.

Author: swnsma

app/code/Magento/MessageQueue/Console/RestartConsumerCommand.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\MessageQueue\Console;
+
+use Magento\Framework\Console\Cli;
+use Magento\Framework\MessageQueue\PoisonPill\PoisonPillPutInterface;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Command for put poison pill for MessageQueue consumers.
+ */
+class RestartConsumerCommand extends Command
+{
+    private const COMMAND_QUEUE_CONSUMERS_RESTART = 'queue:consumers:restart';
+
+    /**
+     * @var PoisonPillPutInterface
+     */
+    private $poisonPillPut;
+
+    /**
+     * @param PoisonPillPutInterface $poisonPillPut
+     * @param string|null $name
+     */
+    public function __construct(PoisonPillPutInterface $poisonPillPut, $name = null)
+    {
+        parent::__construct($name);
+        $this->poisonPillPut = $poisonPillPut;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->poisonPillPut->put();
+        return Cli::RETURN_SUCCESS;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function configure()
+    {
+        $this->setName(self::COMMAND_QUEUE_CONSUMERS_RESTART);
+        $this->setDescription('Restart MessageQueue consumers');
+        $this->setHelp(
+            <<<HELP
+Command put poison pill for MessageQueue consumers and force to restart them after next status check.
+HELP
+        );
+        parent::configure();
+    }
+}

app/code/Magento/MessageQueue/etc/di.xml

@@ -20,6 +20,7 @@
             <argument name="commands" xsi:type="array">
                 <item name="startConsumerCommand" xsi:type="object">Magento\MessageQueue\Console\StartConsumerCommand\Proxy</item>
                 <item name="consumerListCommand" xsi:type="object">Magento\MessageQueue\Console\ConsumerListCommand\Proxy</item>
+                <item name="restartConsumerCommand" xsi:type="object">Magento\MessageQueue\Console\RestartConsumerCommand\Proxy</item>
             </argument>
         </arguments>
     </type>