The caching facade in Laravel doesn't seem to allow you to get all keys currently cached in Redis.
I want to create an endpoint so that I can retrieve this information and know if my entries are working properly.
I tried using the Redis facade without success using the following commands and their respective errors
Redis::keys("*");
"Cannot use 'KEYS' with redis-cluster."
Redis::scan("cursor");
"Cannot use 'SCAN' with redis-cluster." 
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In Redis and cluster, if you have many keys, it is recommended to scan instead of keys. However, you should use it correctly. Try this approach.
use Illuminate\Support\Facades\Redis;
$cursor = '0'; // Start with initial cursor
do {
// Scan for keys with current cursor
list($cursor, $keys) = Redis::scan($cursor);
foreach ($keys as $key) {
echo "Key: $key\n";
}
} while ($cursor !== '0'); // Continue scanning until cursor is '0'
refer to: Laravel and redis scanning
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