kubespray/roles/etcd/templates/etcd-rkt.service.j2

[Unit]
Description=etcd rkt wrapper
Documentation=https://github.com/coreos/etcd
Wants=network.target

[Service]
Restart=on-failure
RestartSec=10s
TimeoutStartSec=0
LimitNOFILE=40000

ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/run/etcd.uuid \
--volume hosts,kind=host,source=/etc/hosts,readOnly=true \
--mount volume=hosts,target=/etc/hosts \
--volume=etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount=volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume=etcd-cert-dir,kind=host,source={{ etcd_cert_dir }},readOnly=true \
--mount=volume=etcd-cert-dir,target={{ etcd_cert_dir }} \
--volume=etcd-data-dir,kind=host,source={{ etcd_data_dir }},readOnly=false \
--mount=volume=etcd-data-dir,target={{ etcd_data_dir }} \
--set-env-file=/etc/etcd.env \
--stage1-from-dir=stage1-fly.aci \
{{ etcd_image_repo }}:{{ etcd_image_tag }} \
--name={{ etcd_member_name | default("etcd") }}

ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/run/etcd.uuid
ExecStop=-/usr/bin/rkt stop --uuid-file=/var/run/etcd.uuid

[Install]
WantedBy=multi-user.target