Docker图形化管理Portainer

一．单机部署PORTAINER
使用以下Docker命令部署Portainer：

[ ~]# docker pull portainer/portainer

[ ~]# docker volume create portainer_data

[ ~]# docker run -d -p 9000:9000 -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer

注意：关闭selinux虚拟机要重启，不然报错

访问网页 http：//IP：9000

二．在Swarm 集群中部署

注意：
要添加镜像加速器，不然后面下载镜像时可能会报错
[ ~]# vim /etc/docker/daemon.json
{
"registry-mirrors":["https://registry.docker-cn.com"]
}

创建集群，下载基础镜像。集群中每个节点都要有portainer/agent镜像

1.创建Docker Swarm 集群
[ ~]# docker swarm init --advertise-addr 192.168.10.102

[ ~]# docker pull portainer/agent ## 下载代理镜像

1.创建两个网路
[ ~]# docker network create --driver overlay portainer_agent_network
[ ~]# docker network create --driver overlay my-network
○22 将代理部署为集群中的全局服务 ##节点需重新下 portainer/agent

[ ~]# docker service create --name portainer_agent --network portainer_agent_network --publish mode=host,target=9001,published=9001 -e AGENT_CLUSTER_ADDR=tasks.portainer_agent --mode global --mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock portainer/agent
4zmiaajed7c6vc591hcrkkksl
overall progress: 3 out of 3 tasks
i3i9p03c6zo7: running
hzorsxqq5l42: running
21hha3mf1sao: running
verify: Service converged

[ ~]# docker service ps portainer_agent ##查看状态
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
n5smvf1mfs1y portainer_agent.21hha3mf1sao77g07tpxr12lp portainer/agent:latest 192.168.0.122 Running Running 9 minutes ago :9001->9001/tcp
p5h3caz91b1i portainer_agent.i3i9p03c6zo7guhhf31ng0zkd portainer/agent:latest 192.168.0.120 Running Running 9 minutes ago :9001->9001/tcp
87q0pzanti4q portainer_agent.hzorsxqq5l42feix3o23vk7cr portainer/agent:latest 192.168.0.126 Running Running 9 minutes ago *:9001->9001/tcp

3.Portainer 实例部署
○3 在集群中，创建单个Portainer 可视化工具容器，默认端口9000

[ ~]# docker service create --name portainer --network portainer_agent_network --publish 9000:9000 --replicas=1 --constraint ‘node.role == manager‘ portainer/portainer -H "tcp://tasks.portainer_agent:9001" --tlsskipverify

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overall progress: 1 out of 1 tasks
1/1: running
verify: Service converged

浏览器访问 http://IP:9000
○4 创建管理用户

○5 添加被管理节点

1. 配置Endpoints Dashboard
   在集群中部署niigx服务。并创建三个副本测试
   [ ~]# docker service create --name ngixn-test02 --network my-network --publish 8888:80 --replicas=3 nginx
   image nginx:latest could not be accessed on a registry to record
   its digest. Each node will access nginx:latest independently,
   possibly leading to different nodes running different
   versions of the image.

uuz2q0qdet6sjee8rngi92bju
overall progress: 3 out of 3 tasks
1/3: running
2/3: running
3/3: running
verify: Service converged

在网页中可以看到详细信息

查看单个容器的系统资源

下载镜像

基于下载的镜像，创建httpd 服务

浏览器访问http://IP:90 可看出通过Portainer成功创建了httpd 服务

7 . 创建并添加私有仓库
[ ~]# docker run -d -v /home/root/registry:/var/lib/registry -p 5000:5000 --restart=always --privileged=true --name registry registry:latest
a7bf1601c3ebc28e1bff059638f0c9a7f602e525f55b1741f497026a56c33b31

编辑daemon.json文件，修改成私有仓库地址，三台主机上都要设置
[ ~]# vim /etc/docker/daemon.json
{
"insecure-registries":["192.168.10.102:5000"]
}
[ ~]# scp /etc/docker/daemon.json 192.168.10.103:/etc/docker/
[ ~]# scp /etc/docker/daemon.json 192.168.10.104:/etc/docker/
注意：三台节点上重启Docker 时，之前创建的Portainer和portainer_agent 服务将不能正常运行。
这时，需要在manager上删除此服务，在重新执行○2--○5部
[ ~]# systemctl restart docker ##三台节点重启docker
[ ~]# docker service rm portainer
portainer
[ ~]# docker service rm portainer_agent
portainer_agent

配置私有仓库

创建私有仓库

[ ~]# docker pull httpd

将镜像上传到私有仓库
为镜像打标
[ ~]# docker tag httpd:latest 192.168.10.102:5000/httpd-test:2019-08-25
将镜像上传至私有仓库
[ ~]# docker push 192.168.10.102:5000/httpd-test:2019-08-25
The push refers to repository [192.168.10.102:5000/httpd-test] ##私有仓库
9e0ab3afff15: Pushed
7a0960d9b679: Pushed
8b16516271d6: Pushed
5bcb93651a74: Pushed
1c95c77433e8: Pushed
2019-08-25: digest: sha256:90cca2f9c32ad25afa180da6b14f35de9990cb02b9007350a5bccef4cac1e1c9 size: 1367

创建httpd 的服务测试 （同上）
[ ~]# docker service create --name httpd-test02 --network my-network --publish 8888:80 --replicas=3 192.168.10.102:5000/httpd-test:2019-08-25
wc31arswabmodsxhdqojrlvz9
overall progress: 3 out of 3 tasks
1/3: running
2/3: running
3/3: running
verify: Service converged

可以看到基于私有仓库镜像创建的任务已成功部署
注意：在创建容器时，要改为私有仓库的地址。