-rabbit_boot_step({codec_correctness_check,
                   [{description, "codec correctness check"},
                    {mfa,         {rabbit_binary_generator,
                                   check_empty_frame_size,
                                   []}},
                    {requires,    pre_boot},
                    {enables,     external_infrastructure}]}).

dot -Tpng "rabbit_boot.gv" > "/home/max/Code/rabbit_boot.png"

lists:foreach(fun({A, B}) -> io:format("~s \-> ~s;~n", [A, B]) end ,[{KK, proplists:get_value(enables, V)} || {K, [{KK, V}]} <- rabbit_attribute:module_info(attributes), K =:= rabbit_boot_step, proplists:get_value(enables, V) =/= undefined]).

digraph G
{
    pre_boot [shape=doublecircle, style=filled,color=black,fillcolor=green;
    pre_boot -> codec_correctness_check;
    
    file_handle_cache -> database;
    database -> database_sync;
    pre_boot -> file_handle_cache;
    pre_boot -> worker_pool;
    
    external_infrastructure -> rabbit_registry;
    external_infrastructure -> rabbit_event;
    external_infrastructure -> kernel_ready;
    kernel_ready -> rabbit_alarm;
    rabbit_alarm -> rabbit_memory_monitor;
    kernel_ready -> guid_generator;
    kernel_ready -> delegate_sup;
    rabbit_alarm -> rabbit_node_monitor;
    guid_generator -> rabbit_node_monitor;
    kernel_ready -> core_initialized;
    core_initialized -> recovery;
    recovery -> mirrored_queues;
    core_initialized -> routing_ready;
    
    routing_ready -> log_relay;
    log_relay -> direct_client;
    log_relay -> networking;
    networking -> notify_cluster;
    background_gc;
    edge [style="dashed", color="blue"];
    codec_correctness_check -> external_infrastructure;
    database -> external_infrastructure;
    database_sync -> external_infrastructure;
    file_handle_cache -> worker_pool;
    worker_pool -> external_infrastructure;
    rabbit_registry -> kernel_ready;
    rabbit_event -> kernel_ready;
    rabbit_alarm -> core_initialized;
    rabbit_memory_monitor -> core_initialized;
    guid_generator -> core_initialized;
    delegate_sup -> core_initialized;
    rabbit_node_monitor -> core_initialized;
    empty_db_check -> routing_ready;
    recovery -> routing_ready;
    mirrored_queues -> routing_ready;
    log_relay -> networking;
    background_gc -> networking;
        
}