etcd config

gistfile1.txt

#cloud-config

coreos:
  units:
    - name: etcd2.service
      drop-ins:
        - name: 50-etcd-initial-cluster.conf
          content: >
            [Service]

            Environment=ETCD_INITIAL_CLUSTER=node-00=http://node-00:2380,node-01=http://node-01:2380,node-02=http://node-02:2380
  etcd2:
    name: '%H'
    initial-cluster-token: eva-cluster
    initial-advertise-peer-urls: 'http://%H:2380'
    listen-peer-urls: 'http://%H:2380'
    listen-client-urls: 'http://0.0.0.0:2379'
    advertise-client-urls: 'http://%H:2379'
    initial-cluster-state: new

hostname: node-00




--------




core@node-00 ~ $ etcdctl member add node-02 http://node-02:2380
Added member named node-02 with ID 2bce7a7caace9a3c to cluster

ETCD_NAME="node-02"
ETCD_INITIAL_CLUSTER="node-02=http://node-02:2380,node-00=http://node-00:2380,node-01=http://node-01:2380"
ETCD_INITIAL_CLUSTER_STATE="existing"




------



node-02 etcd2.service.d # systemctl cat etcd2
# /usr/lib64/systemd/system/etcd2.service
[Unit]
Description=etcd2
Conflicts=etcd.service

[Service]
User=etcd
Environment=ETCD_DATA_DIR=/var/lib/etcd2
Environment=ETCD_NAME=%m
ExecStart=/usr/bin/etcd2
Restart=always
RestartSec=10s
LimitNOFILE=40000

[Install]
WantedBy=multi-user.target

# /run/systemd/system/etcd2.service.d/20-cloudinit.conf
[Service]
Environment="ETCD_ADVERTISE_CLIENT_URLS=http://%H:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=http://%H:2380"
Environment="ETCD_INITIAL_CLUSTER_STATE=new"
Environment="ETCD_INITIAL_CLUSTER_TOKEN=eva-cluster"
Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
Environment="ETCD_LISTEN_PEER_URLS=http://%H:2380"
Environment="ETCD_NAME=%H"
# /etc/systemd/system/etcd2.service.d/50-etcd-initial-cluster.conf
[Service]
Environment=ETCD_INITIAL_CLUSTER_STATE=existing
Environment=ETCD_INITIAL_CLUSTER=node-00=http://node-00:2380,node-01=http://node-01:2380,node-02=http://node-02:2380
node-02 etcd2.service.d #