本文基于compose管理鏡像资厉,對此不熟悉的,可以先了解下如何使用蜻懦。
安裝compose
下載compose,使用下面的指令下載compose
sudo curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
將可執(zhí)行權(quán)限應(yīng)用于二進制文件:
sudo chmod +x /usr/local/bin/docker-compose
創(chuàng)建軟鏈:
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
測試是否安裝成功:
docker-compose --version
cker-compose version 1.24.1, build 4667896b
拉取etcd官方鏡像
docker pull quay.io/coreos/etcd
在一個文件夾下創(chuàng)建 etcd-compose.yml文件曲梗,用于管理etcd容器
在文件中貼如如下內(nèi)容:
version: '3'
services:
etcd-node1:
image: "quay.io/coreos/etcd"
container_name: "etcd-node1"
ports:
- "12379:2379"
- "12380:2380"
command: 'etcd -name etcd-node1 -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 "etcd-node1=http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-node3=http://etcd-node3:2380" -initial-cluster-state new'
networks:
- "etcd"
etcd-node2:
image: "quay.io/coreos/etcd"
container_name: "etcd-node2"
ports:
- "22379:2379"
- "22380:2380"
command: 'etcd -name etcd-node2 -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 "etcd-node1=http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-node3=http://etcd-node3:2380" -initial-cluster-state new'
networks:
- "etcd"
etcd-node3:
image: "quay.io/coreos/etcd"
container_name: "etcd-node3"
ports:
- "32379:2379"
- "32380:2380"
command: 'etcd -name etcd-node3 -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 "etcd-node1=http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-node3=http://etcd-node3:2380" -initial-cluster-state new'
networks:
- "etcd"
networks:
etcd:
啟動yml文件
docker-compose -f etcd-compose.yml up -d
使用指令,查看容器啟動情況
docker ps -a
可以看到如下內(nèi)容
圖片.png
至此验辞,etcd容器集群搭建完畢.
查看注冊到etcd的服務(wù)有兩種方法,一種是進入etcd容器喊衫,使用etcdctl指令查看跌造,這里不再介紹。
介紹一種使用go-micro工具查看注冊到etcd服務(wù)的方法
在goland中執(zhí)行如下指令
set MICRO_REGISTRY=etcd
set MICRO_REGISTRY_ADDRESS=192.168.109.131:12379
set MICRO_API_NAMESPACE=api.tutor.com
micro web
192.168.109.131是我的虛擬機ip
12379這是上面創(chuàng)建的etcd容器代理端口
然后在瀏覽器輸入:http://localhost:8082/registry
即可看到如下效果:
圖片.png
紅框內(nèi)的 是我注冊到etcd的服務(wù)