[Unit] Description=Elasticsearch Discovery Service After=etcd.service Requires=etcd.service Before=elasticsearch@%i.service BindsTo=elasticsearch@%i.service [Service] EnvironmentFile=/etc/environment ExecStart=/bin/bash -c '\ while true; do \ etcdctl set /services/elasticsearch/${COREOS_PRIVATE_IPV4} \'{"http_port": 9200, "transport_port": 9300}\' --ttl 60; \ sleep 45; \ done' ExecStop=/usr/bin/etcdctl rm /services/elasticsearch/${COREOS_PRIVATE_IPV4} [X-Fleet] MachineOf=elasticsearch@%i.service