[Unit]
Description=etcd
Requires=docker.service
After=docker.service

[Service]
User={{ patroni_user }}
Restart=always
Environment="TOKEN={{ lookup('password', 'secrets/patroni-postgresql/etcd_cluster_token length=64') }}"
Environment="CLUSTER=patroni-postgresql-01=http://10.0.75.111:2380,patroni-postgresql-02=http://10.0.75.112:2380,patroni-postgresql-03=http://10.0.75.113:2380"
ExecStartPre=-/usr/bin/docker rm -f etcd
ExecStart=/usr/bin/docker run \
    --rm \
    --user {{ patroni_uid }}:{{ patroni_uid }} \
    --publish 2379:2379 \
    --publish 2380:2380 \
    --name etcd \
    --volume=/var/lib/etcd:/etcd-data \
    quay.io/coreos/etcd:{{ etcd_version }} \
    /usr/local/bin/etcd \
    --data-dir=/etcd-data \
    --name {{ inventory_hostname }} \
    --initial-advertise-peer-urls http://{{ ansible_host }}:2380 \
    --listen-peer-urls http://0.0.0.0:2380 \
    --advertise-client-urls http://{{ ansible_host }}:2379 \
    --listen-client-urls http://0.0.0.0:2379 \
    --initial-cluster ${CLUSTER} \
    --initial-cluster-state new \
    --initial-cluster-token ${TOKEN} \
    --enable-v2=true
ExecStop=/usr/bin/docker stop -t 10 etcd

[Install]
WantedBy=multi-user.target