Docker Swarm集群搭建

docker swarm集群搭建

  • 准备:

    • 三台centos

  • 查看当前机器ipip a

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    [vagrant@swarm-manager ~]$ ip a
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
           valid_lft forever preferred_lft forever
        inet6 ::1/128 scope host
           valid_lft forever preferred_lft forever
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
        link/ether 52:54:00:5f:94:78 brd ff:ff:ff:ff:ff:ff
        inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic eth0
           valid_lft 84826sec preferred_lft 84826sec
        inet6 fe80::5054:ff:fe5f:9478/64 scope link
           valid_lft forever preferred_lft forever
    3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
        link/ether 08:00:27:97:19:ed brd ff:ff:ff:ff:ff:ff
        inet 192.168.205.10/24 brd 192.168.205.255 scope global eth1
           valid_lft forever preferred_lft forever
        inet6 fe80::a00:27ff:fe97:19ed/64 scope link
           valid_lft forever preferred_lft forever
    4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN
        link/ether 02:42:1a:a4:85:34 brd ff:ff:ff:ff:ff:ff
        inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
           valid_lft forever preferred_lft forever

  • 初始化主节点docker swarm init --advertise-addr=192.168.205.10 (先运行的节点会成为master节点)

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    [vagrant@swarm-manager ~]$ docker swarm init --advertise-addr=192.168.205.10
    Swarm initialized: current node (20c1eo2g14dkiyy6x22bei0zk) is now a manager.

    To add a worker to this swarm, run the following command:

        docker swarm join --token SWMTKN-1-3yo18735j27focp6obcvlvlzw684mextoz63ebcudave76th9a-67ngk1hmh5mnkm2up6naky796 192.168.205.10:2377

    To add a manager to this swarm, run 'docker swarm join-token manager' and follow the instructions.

  • node2 加入

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    ➜  centos7-3 vagrant ssh swarm-worker2
    [vagrant@swarm-worker2 ~]$  docker swarm join --token SWMTKN-1-3yo18735j27focp6obcvlvlzw684mextoz63ebcudave76th9a-67ngk1hmh5mnkm2up6naky796 192.168.205.10:2377
    This node joined a swarm as a worker.

  • node3加入

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    docker swarm join --token SWMTKN-1-3yo18735j27focp6obcvlvlzw684mextoz63ebcudave76th9a-67ngk1hmh5mnkm2up6naky796 192.168.205.10:2377

  • 查看节点

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    [vagrant@swarm-manager ~]$ docker node ls
    ID                            HOSTNAME            STATUS              AVAILABILITY        MANAGER STATUS      ENGINE VERSION
    20c1eo2g14dkiyy6x22bei0zk *   swarm-manager       Ready               Active              Leader              18.05.0-ce
    dqb1n6oqy18bpuo101zxa3aym     swarm-worker1       Ready               Active                                  18.05.0-ce
    bzkzymvsd0mt7ehjmrp64z38z     swarm-worker2       Ready               Active                                  18.05.0-ce

docker-machine 创建集群节点

  • docker-machine create swarm-manger