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  • 第一次搭建kubernetes经历

    1.准备部署环境
    master 192.168.40.162
    node 192.168.40.220

    2.下载部署包(从192.168.40.33复制部署包)
    scp /opt/kylincloud2_2.0_ft2000_v0.0.1.13_20200511.tar.gz root@192.168.40.162:/opt/

    3.免密认证
    通过192.168.40.192对192.168.40.162及192.168.40.220做免密认证,即master节点对自身及所有node节点做免密认证
    (1)ssh-keygen -t rsa
    (2)cat id_rsa.pub>>authorized_keys
    (3)chmod 710 authorized_keys
    (4)scp -r authorized_keys root@192.168.40.220:~/.ssh

    4.时间同步
    (1)ntpdate 192.168.40.253(此命令分别执行在master及node)
    将192.168.40.162和192.168.40.220统一与192.168.40.253时间保持一致,即master及所有节点保持统一一致时间
    (2)hwclock -w(此命令分别执行在master及node)
    将软件时间写入硬件时间,硬件时间是BIOS的时间

    5.根据需求修改default.yaml文件

    示例一:(全部配置内容)
    install_path: /opt/cms/kylincloud2 #安装目录

    modules:
    etcd: etcd-3.3.13
    docker: docker-17.03
    kube: kube-1.14.2
    keepalived: keepalived-1.3.5
    cni: cni-arm64
    cfssl: cfssl-1.3.2

    cluster info

    clustername: kubernetes-phk
    clusteruser: kubernetes-admin

    docker_registry

    registry:
    domain: kylincloud2.hub
    admin_password: Harbor12345
    db:
    host: mysql
    port: 3306
    user: root
    passwd: root123
    clair_password: password

    ntp

    ntpserver: 192.168.40.253

    nfs 不能注释,永远为最新的nfs服务端信息

    nfs_server: 192.168.40.253
    src_path: /mnt/nfs/testphk
    storage: 192.168.40.253:/mnt/nfs/testphk /nas nfs defaults 0 1
    mount_path: /nas

    etcd cluster name

    etcdname: kube-etcd

    head -c 16 /dev/urandom | od -An -t x | tr -d ' '

    bootstrap_token: c30302226d4b810e08731702d3890f51
    ui_url: ui.kylincloud2.hub

    head -c 32 /dev/urandom | base64

    encryption_token: d/FP5wCz8lV9s+bU1tnvsuj9C4hZWZRcMVud18E0LMc=

    cloudapiserver

    dnsserver: 192.168.40.32
    dnsport: 9999

    NET

    vip: 192.168.40.33 #单控模式为 master的ip,多控模式下为虚拟ip,跟集群同网段且不被占用

    oldvip: 192.168.17.222 #默认注释掉,当使用 --ip参数时需要将历史的vip地址写入

    virtual_router_id: 88 #keepalived 集群通信的心跳值,确保不跟网段中其他keepalived集群的心跳值一致即可
    service:
    cidr: 10.10.0.0/16
    DNS_ip: 10.10.1.10
    cluster_domain: cluster.local
    pod_net:
    cidr: 10.244.0.0/16

    部署模式为单控,以及多控不需要lvs的时候注释

    lvs:

    - name: lvs-1

    ip: 192.168.40.207

    state: MASTER

    - name: lvs-2

    ip: 192.168.40.208

    state: BACKUP

    master:

    • name: master1
      ip: 192.168.40.33 #第一个ip必须是执行脚本所在的机器

    - name: master2

    ip: 192.168.40.161

    - name: master3

    ip: 192.168.40.162

    nodes:

    • name: node-1
      ip: 192.168.40.34
      label: rack=bgpt

    - name: node-2

    ip: 192.168.40.223

    label: rack=bgpt1

    - name: node-3

    ip: 192.168.40.35

    label: rack=bgpt1

    - name: node-4

    ip: 192.168.40.224

    label: rack=bgpt

    - name: node-5

    ip: 192.168.40.207

    label: rack=bgpt

    - name: node-6

    ip: 192.168.40.208

    label: rack=bgpt1

    新加计算节点,初次部署注释即可

    addnodes:

    - name: node-3

    ip: 192.168.40.35

    label: rack=bgpt

    - name: node-4

    ip: 192.168.40.208

    label: rack=bgpt1

    示例二:(本次部署所需配置)
    install_path: /opt/cms/kylincloud2 #安装目录

    modules:
    etcd: etcd-3.3.13
    docker: docker-17.03
    kube: kube-1.14.2
    keepalived: keepalived-1.3.5
    cni: cni-arm64
    cfssl: cfssl-1.3.2

    cluster info

    clustername: kubernetes
    clusteruser: kubernetes-admin

    docker_registry

    registry:
    domain: kylincloud2.hub
    admin_password: Harbor12345
    db:
    host: mysql
    port: 3306
    user: root
    passwd: root123
    clair_password: password

    ntp

    ntpserver: 192.168.40.253

    nfs 不能注释,永远为最新的nfs服务端信息

    nfs_server: 192.168.40.253
    src_path: /mnt/nfs/testphk
    storage: 192.168.40.253:/mnt/nfs/testphk /nas nfs defaults 0 1
    mount_path: /nas

    etcd cluster name

    etcdname: kube-etcd

    head -c 16 /dev/urandom | od -An -t x | tr -d ' '

    bootstrap_token: c30302226d4b810e08731702d3890f51
    ui_url: ui.kylincloud2.hub

    head -c 32 /dev/urandom | base64

    encryption_token: d/FP5wCz8lV9s+bU1tnvsuj9C4hZWZRcMVud18E0LMc=

    cloudapiserver

    dnsserver: 192.168.40.162
    dnsport: 9999

    NET

    vip: 192.168.40.162 #单控模式为 master的ip,多控模式下为虚拟ip,跟集群同网段且不被占用

    oldvip: 192.168.17.222 #默认注释掉,当使用 --ip参数时需要将历史的vip地址写入

    virtual_router_id: 41 #keepalived 集群通信的心跳值,确保不跟网段中其他keepalived集群的心跳值一致即可
    service:
    cidr: 10.10.0.0/16
    DNS_ip: 10.10.1.10
    cluster_domain: cluster.local
    pod_net:
    cidr: 10.244.0.0/16

    master:

    • name: master1
      ip: 192.168.40.162 #第一个ip必须是执行脚本所在的机器
      nodes:
    • name: node-1
      ip: 192.168.40.220
      label: rack=bgpt

    6.开始部署
    ./install --master

    7.验证部署是否成功
    kubectl get po -A -o wide

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  • 原文地址:https://www.cnblogs.com/jindp/p/13085104.html
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