coreinit ties together systemd and etcd into a distributed init system.

./build
etcd -f -v
systemctl enable --runtime examples/*
systemctl start simplehttp.service
./coreinit
curl http://127.0.0.1:4001/v1/keys/coreos.com/coreinit/system/simplehttp.service/

Machines have truly unique UUIDs and their metadata is perfectly cacheable. If a machine changes IP addresses, etc it must have a new UUID.

All services that you want to publish are WantedBy a target called local.target.