FindFileInPath searches for file in path p.

FindRaftDir finds raft.db and returns parent directory path.

FindRaftFile finds raft.db and returns path.

LogEntries reads the raft logs found in the data directory found at the path `p`, and returns a channel of logs, and a channel of warnings.

RaftStateInfo returns info about the nomad state, as found in the passed data-dir directory.

StateAsMap returns a json-able representation of the state.