docker swarm集群部署
2017-08-03 19:37
429 查看
docker swarm 集群构建:
swarm 在docker 1.12 版本后内置
#h官方文档tps://docs.docker.com/engine/swarm/#feature-highlights
系统环境:
centos7.3
docker17.06
1、初始化manager节点:
docker swarm init
为实现高可用,manager节点需要有奇数个,类似zookerper选举制度。
2、复制生成的命令,在node节点运行。
#docker swarm join-token manager
To add a manager to this swarm, run the following command:
docker swarm join --token SWMTKN-1-1hwdongcnsvzh92s1wnd33w9p08k1o18vobvkzu7z509xoduif-2ezofrbnkaamwuuby9d1w0wn5 10.39.3.25:2377
# docker swarm join-token worker
To add a worker to this swarm, run the following command:
docker swarm join --token SWMTKN-1-1hwdongcnsvzh92s1wnd33w9p08k1o18vobvkzu7z509xoduif-1j43vxwnsrc3cyz2y7ips3d3g 10.39.3.25:2377
示例:
如目前有 10.39.3.25--29 集群, 选其中3个25、26、27 做为manager节点,用于管理swarm集群和实现高可用。
# docker node ls
ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS
dga3oelektv4tbofub2ii9d36 cephnode5 Ready Active
j0hmbmvn9pwnpr1n9zm20j67k * cephnode3 Ready Active Reachable
k7pb8msn85c6xzflbe4r57itd cephnode1 Ready Active Reachable
mmlszdi5lcr0zt2nk44pcjvya cephnode4 Ready Active
t9f91au60k3cgf406cqe1pn2t cephnode2 Ready Active Leader
2个manager是无法实现高可用的,主节点异常后,备用节点运行命令将报错如下:
#docker node ls
Error response from daemon: rpc error: code = 2 desc = The swarm does not have a leader. It's possible that too few managers are online. Make sure more than half of the managers are online.
swarm 在docker 1.12 版本后内置
#h官方文档tps://docs.docker.com/engine/swarm/#feature-highlights
系统环境:
centos7.3
docker17.06
1、初始化manager节点:
docker swarm init
为实现高可用,manager节点需要有奇数个,类似zookerper选举制度。
2、复制生成的命令,在node节点运行。
#docker swarm join-token manager
To add a manager to this swarm, run the following command:
docker swarm join --token SWMTKN-1-1hwdongcnsvzh92s1wnd33w9p08k1o18vobvkzu7z509xoduif-2ezofrbnkaamwuuby9d1w0wn5 10.39.3.25:2377
# docker swarm join-token worker
To add a worker to this swarm, run the following command:
docker swarm join --token SWMTKN-1-1hwdongcnsvzh92s1wnd33w9p08k1o18vobvkzu7z509xoduif-1j43vxwnsrc3cyz2y7ips3d3g 10.39.3.25:2377
示例:
如目前有 10.39.3.25--29 集群, 选其中3个25、26、27 做为manager节点,用于管理swarm集群和实现高可用。
# docker node ls
ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS
dga3oelektv4tbofub2ii9d36 cephnode5 Ready Active
j0hmbmvn9pwnpr1n9zm20j67k * cephnode3 Ready Active Reachable
k7pb8msn85c6xzflbe4r57itd cephnode1 Ready Active Reachable
mmlszdi5lcr0zt2nk44pcjvya cephnode4 Ready Active
t9f91au60k3cgf406cqe1pn2t cephnode2 Ready Active Leader
2个manager是无法实现高可用的,主节点异常后,备用节点运行命令将报错如下:
#docker node ls
Error response from daemon: rpc error: code = 2 desc = The swarm does not have a leader. It's possible that too few managers are online. Make sure more than half of the managers are online.
相关文章推荐
- Docker Swarm集群实践——部署篇
- 同一个Docker swarm集群中部署多版本的测试环境
- Docker:Swarm + Stack 一站式部署容器集群
- Docker集群管理工具-Swarm部署记录
- Docker-swarm 集群部署及swarm集群管理节点的高可用配置
- docker swarm集群及其UI部署
- Docker Swarm集群部署应用
- 如何使用Docker Machine部署Swarm集群
- docker实战2 (docker swarm的应用,docker集群的构建,在docker集群中部署服务的创建与更新)
- Kubernetes 和 Swarm 两种docker集群,基于ansible的自动化安装部署(已测)
- 『中级篇』在docker-swarm集群里通过serivce部署wordpress(46)
- 通过docker-machine和etcd部署docker swarm集群
- Docker Swarm 集群 微服务部署
- 在Docker上部署mongodb分片副本集群。
- 详解使用docker 1.12 搭建多主机docker swarm集群
- docker集群-----swarm
- Swarm+docker集群搭建
- Docker创建Docker Swarm集群节点
- 使用docker安装部署Spark集群来训练CNN(含Python实例)
- 云计算之路-阿里云上-容器难容:容器服务故障以及自建 docker swarm 集群故障