1. A computer-implemented method comprising: monitoring, by a computer comprising a processor executing a supervisor module, a heartbeat signal generated by a node manager monitoring one or more software modules stored on a node, wherein the heartbeat signal contains binary data indicating a status of each respective software module monitored by the node manager; detecting, by the computer, a failed software module in the one or more software modules of the node based on the heartbeat signal received from the node manager of the node; automatically transmitting, by the computer, to the node manager of the node a command instructing the node to restore the failed software module, in response to detecting the failed software module; and determining, by the computer, whether the node manager successfully restored the module based on the heartbeat signal received from the node manager.