1.拉取etcd镜像
docker pull quay.io/coreos/etcd
2.编辑docker-compose.yaml文
version: '2'
networks:
byfn:
services:
etcd1:
image: quay.io/coreos/etcd
container_name: etcd1
command: etcd -name etcd1 -advertise-client-urls http://0.0.0.0:2379 -listen-client-urls http://0.0.0.0:2379 -listen-peer-urls http://0.0.0.0:2380 -initial-cluster-token etcd-cluster -initial-cluster "etcd1=http://etcd1:2380,etcd2=http://etcd2:2380,etcd3=http://etcd3:2380" -initial-cluster-state new
ports:
- "12379:2379"
- 2380
networks:
- byfn
etcd2:
image: quay.io/coreos/etcd
container_name: etcd2
command: etcd -name etcd2 -advertise-client-urls http://0.0.0.0:2379 -listen-client-urls http://0.0.0.0:2379 -listen-peer-urls http://0.0.0.0:2380 -initial-cluster-token etcd-cluster -initial-cluster "etcd1=http://etcd1:2380,etcd2=http://etcd2:2380,etcd3=http://etcd3:2380" -initial-cluster-state new
ports:
- "22379:2379"
- 2380
networks:
- byfn
etcd3:
image: quay.io/coreos/etcd
container_name: etcd3
command: etcd -name etcd3 -advertise-client-urls http://0.0.0.0:2379 -listen-client-urls http://0.0.0.0:2379 -listen-peer-urls http://0.0.0.0:2380 -initial-cluster-token etcd-cluster -initial-cluster "etcd1=http://etcd1:2380,etcd2=http://etcd2:2380,etcd3=http://etcd3:2380" -initial-cluster-state new
ports:
- "32379:2379"
- 2380
networks:
- byfn
3.启动服务验证:
docker-compose up
#docker-compose down
curl -L http://127.0.0.1:12379/v2/members #查看etcd1的数据
curl -L http://127.0.0.1:22379/v2/members #查看etcd2的数据
curl -L http://127.0.0.1:32379/v2/members #查看etcd3的数据
#也可以用命令行工具etcdctl
docker exec -t etcd1 etcdctl member list
#我们往一个node上上传数据,在其他node上就能下载到
curl -L http://127.0.0.1:12379/v2/keys/foo -XPUT -d value="Hello foo"
curl -L http://127.0.0.1:12379/v2/keys/foo1/foo1 -XPUT -d value="Hello foo1"
curl -L http://127.0.0.1:12379/v2/keys/foo2/foo2 -XPUT -d value="Hello foo2"
curl -L http://127.0.0.1:12379/v2/keys/foo2/foo21/foo21 -XPUT -d value="Hello foo21"
curl -L http://127.0.0.1:22379/v2/keys/foo
curl -L http://127.0.0.1:22379/v2/keys/foo2
curl -L http://127.0.0.1:22379/v2/keys/foo2?recursive=true