[集群自动化一]3分钟装好k8s_HA-v1.13.0

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原文链接

To install k8s_HA-1.13.0 on CoreOS

external-etcd.png

Prepare:

• download:
  • coreos-k8s-v1.13.0.tgz ----- k8s 1.13.0's docker image&kubelet/kubeadm/kubectl&dashboard
  • ha.tgz ----- docker image: keepalived.tar/haproxy.tar/etcd.tar
  • coreosbase2.tgz ----- kvm's img for CoreOS 1855.4
  • 1.0 istio.tgz---(Optional)
  • k8s-addon.tgz---(Optional)
  • clone k8s-ha-autoinstall & mv *tgz k8s-ha0autoinstall
• CONFIG
  • vi CONFIG -----just need modify node&master's IP

K8S_VER=v1.13.0
CIDR_SUBNET=10.244.0.0/16
KUBECONFIG=/etc/kubernetes/admin.conf
LOAD_BALANCER_DNS=k8sha.yunwei.edu
LOAD_BALANCER_PORT=8443
CP1_HOSTNAME=master1.yunwei.edu
CP2_HOSTNAME=master2.yunwei.edu
CP3_HOSTNAME=master3.yunwei.edu
VIP_IP=192.168.253.30
CP1_IP=192.168.253.31
CP2_IP=192.168.253.32
CP3_IP=192.168.253.33
NODE1_IP=192.168.253.34
NODE1_HOSTNAME=node1.yunwei.edu
REMOTE_USER=core
#
master="$CP1_IP,$CP2_IP,$CP3_IP"
node="$NODE1_IP"  # add IP seprate by ','
NODES="$master,$node"
net="calico" #calico or flannel
dashboard=true
helm=true
ingress=true
prometheus=true
efk=true
istio=true

#just for coreos machines
KVM_NAME="master1,master2,master3,node1"
GATEWAY=192.168.253.125
DNS1=192.168.253.110
DNS2=114.114.114.114

• clone

  • clone or install CoreOS machines

  cd clone_coreos;sh clone_machine.sh

Install

• Install for single master:

  sh -x install.sh all

• Install for multi master:

  sh -x install.sh allha

安装视频

安装完成

验证安装

• 浏览svc.html 包含相关服务的链接
• sh install.sh status 查看各服务状态

当需要重新安装:

`sh -x install.sh reset`

install.sh 的HELP

usage: install.sh [prepare|p]|p1|p2|p3|p4|[1|base]|[2|addon]|[3|ha]|dashboard|network|node|rejoin|ingress|helm|prometheus|efk|istio|finish|default|help|...   [-c|--config  /path/to/config/config.filename]
        p|prepare      :cp&load all tgz&images.
        p1             :cp&load base tgz&images.
        p2             :cp&load addon tgz&images.
        p3             :cp&load istio tgz&images.
        p4             :cp&load HA tgz&images.
        1|base         :install k8s base component&calico&dashboard.
        2|addon        :install k8s addon component:helm,ingress,efk,prometheus.
        3|ha           :install HA cluster of k8s.
        node           :only join node.
        all|default    :install all configured in CONFIG file with single master.
        allha          :install all configured in CONFIG file with HA three master.
        finish         :get login token&svc.
        rejoin         :need join other node after 24h.
        ingress        :install ingress.
        helm           :install helm.
        efk            :install efk.
        prometheus     :install prometheus.
        istio          :install istio component.
        reboot         :reboot all
        reset          :kubeadm reset all
        etcdcheck      :check etcd cluster
        calicocheck    :check calico status
        getpods        :get pods -o wide
        getsvc         :get svc -o wide
        genindex       :gen index svc.html
        status         :get etcd&calico&pods
        timezone8      :set timezone CST-8
        route          :add route temporally

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