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

[Unit]
Description=etcd docker wrapper
Wants=docker.socket
After=docker.service

[Service]
User=root
PermissionsStartOnly=true
ExecStart={{ docker_bin_dir }}/docker run --restart=on-failure:5 \
--env-file=/etc/etcd.env \
{# TODO(mattymo): Allow docker IP binding and disable in envfile
   -p 2380:2380 -p 2379:2379 #}
--net=host \
-v /etc/ssl/certs:/etc/ssl/certs:ro \
-v {{ etcd_cert_dir }}:{{ etcd_cert_dir }}:ro \
-v {{ etcd_data_dir }}:/var/lib/etcd:rw \
{% if etcd_memory_limit is defined %}
--memory={{ etcd_memory_limit|regex_replace('Mi', 'M') }} \
{% endif %}
{% if etcd_cpu_limit is defined %}
--cpu-shares={{ etcd_cpu_limit|regex_replace('m', '') }} \
{% endif %}
--name={{ etcd_member_name | default("etcd") }} \
{{ etcd_image_repo }}:{{ etcd_image_tag }} \
{% if etcd_after_v3 %}
{{ etcd_container_bin_dir }}etcd
{% endif %}
ExecStartPre=-{{ docker_bin_dir }}/docker rm -f {{ etcd_member_name | default("etcd") }}
ExecReload={{ docker_bin_dir }}/docker restart {{ etcd_member_name | default("etcd") }}
ExecStop={{ docker_bin_dir }}/docker stop {{ etcd_member_name | default("etcd") }}
Restart=always
RestartSec=15s

[Install]
WantedBy=multi-user.target