原创文章,欢迎转载。转载请注明:转载自 IT人故事会,谢谢!
原文链接地址: 『中级篇』docker-swarm创建一个多节点集群(43)
docker Swarm是Docker官方提供的一款集群管理工具,其主要作用是把若干台Docker主机抽象为一个整体,并且通过一个入口统一管理这些Docker主机上的各种Docker资源。源码地址: https://github.com/limingios/docker中的No.5
创建3台虚拟机
还是通过vagrant + virtualbox的方式来创建
源码文件夹
查看创建虚拟机的源码
# -*- mode: ruby -*- # vi: set ft=ruby : Vagrant.require_version ">= 1.6.0" boxes = [ { :name => "swarm-manager", :mem => "1024", :cpu => "1" }, { :name => "swarm-worker1", :mem => "1024", :cpu => "1" }, { :name => "swarm-worker2", :mem => "1024", :cpu => "1" } ] Vagrant.configure(2) do |config| config.vm.box = "centos/7" boxes.each do |opts| config.vm.define opts[:name] do |config| config.vm.hostname = opts[:name] config.vm.provider "vmware_fusion" do |v| v.vmx["memsize"] = opts[:mem] v.vmx["numvcpus"] = opts[:cpu] end config.vm.provider "virtualbox" do |v| v.customize ["modifyvm", :id, "--memory", opts[:mem]] v.customize ["modifyvm", :id, "--cpus", opts[:cpu]] end config.vm.network :private_network, type: "dhcp" end end config.vm.synced_folder "./labs", "/home/vagrant/labs" config.vm.provision "shell", privileged: true, path: "./setup.sh" end
用SecureCRT连接着3个虚拟机
查看每个虚拟机的ip地址
vagrant ssh swarm-manager #swarm-manager的ip是172.28.128.3 ip a
vagrant ssh swarm-worker1 #swarm-worker1的ip是172.28.128.4 ip a
vagrant ssh swarm-worker2 #swarm-worker2的ip是172.28.128.5 ip a
创建docker-swarm集群
swarm-manager 建立manager
sudo docker swarm init --help sudo docker swarm init --advertise-addr=172.28.128.3
swarm-worker1 和 swam-worker2 连接manager
sudo service docker restart docker swarm join --token SWMTKN-1-1vafvfucsur6iqd6ba5i2njty6djvzxnhwefsmar4sivcg8isi-dgm1aigtcu1rtotfc8y43j17m 172.28.128.3:2377
image.png
swarm-manager 查看连接状态
docker node ls
PS:这样基本上通过docker-swarm完成集群管理。
回贴