docker-compose.yml 内容

version: "3.5"
services:
  etcd:
    container_name: etcd
    hostname: etcd
    image: bitnami/etcd:3
    privileged: true
    volumes:
      - "/etcd/data:/opt/bitnami/etcd/data"
    environment:
      - "ETCD_ADVERTISE_CLIENT_URLS=http://0.0.0.0:2379"
      - "ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
      - "ETCD_LISTEN_PEER_URLS=http://0.0.0.0:2380"
      - "ETCD_INITIAL_ADVERTISE_PEER_URLS=http://0.0.0.0:2380"
      - "ALLOW_NONE_AUTHENTICATION=yes"
      - "ETCD_INITIAL_CLUSTER=node1=http://0.0.0.0:2380"
      - "ETCD_NAME=node1"
      - "ETCD_DATA_DIR=/opt/bitnami/etcd/data"
    ports:
      - 2379:2379
      - 2380:2380
    networks:
      - etcdnet

networks:
  etcdnet:
    name: etcdnet

安装

mkdir -p /etcd/data

docker-compose up -d

查看 etcd 的版本信息

docker exec -it etcd bash

etcd --version

通过 REST API 直接查看集群健康状态

curl -L http://127.0.0.1:2379/health

通过 etcdctl 设置键值

etcdctl put testkey "hello world"

通过 etcdctl 获取键值

etcdctl get testkey

通过 http 设置键值

curl -L http://localhost:2379/v3/kv/put \

  -X POST -d '{"key": "name", "value": "YmFy"}'

通过 http 获取键值

curl -L http://localhost:2379/v3/kv/range \

  -X POST -d '{"key": "name"}'