#####Dockerfile制作
wget https://storage.googleapis.com/etcd/v3.3.2/etcd-v3.3.2-linux-amd64.tar.gz #下载数据包
cat <<eof >run.sh #启动脚本，后期写入镜像
#!/bin/bash
set -e
/etcd/work/etcd-v3.3.2-linux-amd64/etcd --name $name --data-dir=/etcd/data --auto-compaction-retention=${time} --snapshot-count=$count --quota-backend-bytes=$quota --initial-advertise-peer-urls $initial --listen-peer-urls $peer --listen-client-urls $client --advertise-client-urls $advertise --initial-cluster-token $token --initial-cluster $cluster --initial-cluster-state $state
eof
cat <<eof >Dockerfile
FROM alpine
MAINTAINER MR wang "wang049718@163.com"
RUN echo "https://mirror.tuna.tsinghua.edu.cn/alpine/v3.4/main/" > /etc/apk/repositories
RUN apk update \
&& apk upgrade \
&& apk add --no-cache bash \
bash-completion \
&& rm -rf /var/cache/apk/*
RUN mkdir /etcd/{work,data,wal} -p
WORKDIR /etcd/work
VOLUME /etcd/data
ENV name infra0
ENV time 1m
ENV count 5000
ENV quota 6442450944
ENV initial http://0.0.0.0:2380
ENV peer http://0.0.0.0:2380
ENV client http://0.0.0.0:2379
ENV advertise http://0.0.0.0:2379
ENV token etcd-cluster
ENV cluster "infra0=http://0.0.0.0:2380"
ENV state new
ADD etcd-v3.3.2-linux-amd64.tar.gz /etcd/work
ADD run.sh /
EXPOSE 2379 2380
CMD ["/run.sh"]
eof
#####etcd集群搭建
变量定义
etcd_image=wang718049/etcd:3.3.2
etcd_dir=/data/etcd
etcd_data1=/data/etcd/data1
etcd_data2=/data/etcd/data2
etcd_data3=/data/etcd/data3
etcd_network=ccpass
etcd_time=1m
etcd_count=5000
etcd_quota=6442450944
etcd_name1=etcd1
etcd_name2=etcd2
etcd_name3=etcd3
etcd_initial1=http://$etcd_name1:2380
etcd_initial2=http://$etcd_name2:2380
etcd_initial3=http://$etcd_name3:2380
etcd_peer=http://0.0.0.0:2380
etcd_client=http://0.0.0.0:2379
etcd_advertise=http://0.0.0.0:2379
etcd_token=etcd-cluster
etcd_cluster="$etcd_name1=http://$etcd_name1:2380,$etcd_name2=http://$etcd_name2:2380,$etcd_name3=http://$etcd_name3:2380"
etcd_state=new
compose制作
mkdir -p $etcd_dir/data{1,2,3}
cat <<eof >$etcd_dir/etcd.yml
version: '2'
services:
$etcd_name1:
image: $etcd_image
restart: always
container_name: $etcd_name1
network_mode: "$etcd_network"
logging:
options:
max-size: "200m"
max-file: "10"
ports:
- 2379:2379
- 2380:2380
volumes:
- $etcd_data1:/etcd/data
- /etc/localtime:/etc/localtime
environment:
- name=$etcd_name1
- time=$etcd_time
- count=$etcd_count
- quota=$etcd_quota
- initial=$etcd_initial1
- peer=$etcd_peer
- client=$etcd_client
- advertise=$etcd_advertise
- token=$etcd_token
- cluster=$etcd_cluster
- state=$etcd_state
$etcd_name2:
image: $etcd_image
restart: always
container_name: $etcd_name2
network_mode: "$etcd_network"
logging:
options:
max-size: "200m"
max-file: "10"
ports:
- 2369:2379
- 2360:2380
volumes:
- $etcd_data2:/etcd/data
- /etc/localtime:/etc/localtime
environment:
- name=$etcd_name2
- time=$etcd_time
- count=$etcd_count
- quota=$etcd_quota
- initial=$etcd_initial2
- peer=$etcd_peer
- client=$etcd_client
- advertise=$etcd_advertise
- token=$etcd_token
- cluster=$etcd_cluster
- state=$etcd_state
$etcd_name3:
image: $etcd_image
restart: always
container_name: $etcd_name3
network_mode: "$etcd_network"
logging:
options:
max-size: "200m"
max-file: "10"
ports:
- 2359:2379
- 2350:2380
volumes:
- $etcd_data3:/etcd/data
- /etc/localtime:/etc/localtime
environment:
- name=$etcd_name3
- time=$etcd_time
- count=$etcd_count
- quota=$etcd_quota
- initial=$etcd_initial3
- peer=$etcd_peer
- client=$etcd_client
- advertise=$etcd_advertise
- token=$etcd_token
- cluster=$etcd_cluster
- state=$etcd_state
eof
服务拉起
docker-compose -f $etcd_dir/etcd.yml up -d
环境测试
docker exec -it etcd1 /etcd/work/etcd-v3.3.2-linux-amd64/etcdctl member list
docker exec -it etcd1 /etcd/work/etcd-v3.3.2-linux-amd64/etcdctl cluster-health