BlueChi (formerly known as hirte) is a deterministic multi-node service controller.
BlueChi can manage the states of different services across multiple nodes with a focus on highly regulated industries, such as those requiring functional safety. BlueChi integrates with systemd via its D-Bus API and relays D-Bus messages over TCP for multi-nodes support.
On the main node a service called bluechi-controller is running. On startup, the controller loads the configuration files which describe all the involved systems (called nodes) that are expected to be managed. Each node has a unique name that is used to reference it in the controller.
On each managed node that is under control of BlueChi a service called bluechi-agent is running. When the service starts, it connects (via D-Bus over TCP) to the controller and registers as available (optionally authenticating). It then receives requests from the controller and reports local state changes to it.
