Initial attempt

inc/integration/class-wp-rocket.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @package ogre-suspension
+ * @author cleverogre
+ * @version 1.0.0
+ * @since 1.0.0
+ */
+
+namespace Ogre\Suspension\Integration;
+
+use Ogre\Singleton;
+use Ogre\Suspension as Plugin;
+
+defined('ABSPATH') || exit;
+
+final class WPRocket {
+    use Singleton;
+
+    protected function __construct() {
+        add_filter('do_rocket_generate_caching_files', '__return_false');
+        register_activation_hook(Plugin::get_file(), [$this, 'clean_cache']);
+    }
+
+    public function clean_cache() {
+        if (!function_exists('rocket_clean_domain')) return false;
+
+        // Purge entire WP Rocket cache
+        rocket_clean_domain();
+    }
+
+}
+
+WPRocket::instance();

ogre-suspension.php

@@ -26,6 +26,7 @@ final class Suspension extends Plugin {
             'inc/class-redirect.php',
             'inc/class-admin.php',
             'inc/class-template.php',
+            'inc/integrations/class-wp-rocket.php',
         ]);
     }