Kubekey安装Kubernetes-1.24.8的详细过程

Kubekey简介

官网文档:https://kubesphere.com.cn/docs/v3.3/installing-on-linux/introduction/kubekey/

Github:https://github.com/kubesphere/kubekey

Github中文文档:https://github.com/kubesphere/kubekey/blob/master/README_zh-CN.md

Kubekey采用Go编写,不像Ansible那样依赖运行环境,可以同时安装 Kubernetes 和 KubeSphere。此外Kubekey还可以对K8S集群做升级、扩缩容、根据Yaml安装插件等操作,对非专业运维的开发人员相当友好。

多节点安装K8S及KubeSphere官方文档:https://kubesphere.com.cn/docs/v3.3/installing-on-linux/introduction/multioverview/

Kubekey安装Kubernetes-1.24.8 0.

0.系统环境

  • 主机:3台虚拟机 4C8G
  • 系统:CentOS-7.9
  • 完成环境:kubernetes-1.24.8,容器:containerd

1.hostname-所有节点

hostnamectl set-hostname l-master
hostnamectl set-hostname l-worker-01
hostnamectl set-hostname l-worker-02

2.hosts-所有节点

192.168.31.66 l-master
192.168.31.67 l-worker-01
192.168.31.68 l-worker-02

3.yum安装依赖-所有节点

yum install -y update 
yum install -y wget && yum install -y vim && yum install -y lsof && yum install -y net-tools

4.关闭防火墙-所有节点

systemctl stop firewalld
systemctl disable firewalld

5.关闭 selinux-所有节点

sed -i 's/enforcing/disabled/' /etc/selinux/config
setenforce 0
cat /etc/selinux/config

6.关闭 swap-所有节点

swapoff -a
sed -ri 's/.*swap.*/#&/' /etc/fstab
free -l -h

7.安装依赖组件### 安装依赖组件-所有节点

yum install -y ebtables socat ipset conntrack

8.安装其他依赖于时间同步-所有节点

yum install -y ebtables socat ipset conntrack

9.下载kk-master节点

mkdir /opt/kubesphere
cd /opt/kubesphere
export KKZONE=cn
curl -sfL https://get-kk.kubesphere.io | VERSION=v3.0.7 sh -

10.准备配置文件-master节点

cat /opt/kubesphere/k8s-config.yaml

apiVersion: kubekey.kubesphere.io/v1alpha2
kind: Cluster
metadata:
 name: sample
spec:
 hosts:
 - {name: l-master, address: 192.168.31.66, internalAddress: 192.168.31.66, user: root, password: "root"}
 - {name: l-worker-01, address: 192.168.31.67, internalAddress: 192.168.31.67, user: root, password: "root"}
 - {name: l-worker-02, address: 192.168.31.68, internalAddress: 192.168.31.68, user: root, password: "root"}
 roleGroups:
 etcd:
 - l-master
 control-plane: 
 - l-master
 worker:
 - l-master
 - l-worker-01
 - l-worker-02
 controlPlaneEndpoint:
 ## Internal loadbalancer for apiservers 
 # internalLoadbalancer: haproxy
 domain: lb.kubesphere.local
 address: ""
 port: 6443
 kubernetes:
 version: v1.24.8
 clusterName: cluster.local
 autoRenewCerts: true
 containerManager: docker
 etcd:
 type: kubekey
 network:
 plugin: calico
 kubePodsCIDR: 10.233.64.0/18
 kubeServiceCIDR: 10.233.0.0/18
 ## multus support. https://github.com/k8snetworkplumbingwg/multus-cni
 multusCNI:
 enabled: false
 registry:
 privateRegistry: ""
 namespaceOverride: ""
 registryMirrors: []
 insecureRegistries: []
 addons: []

11.执行安装-master节点

./kk create cluster -f k8s-config.yaml -y --container-manager containerd

12.验证-master节点

kubectl get pod -A

kube-system calico-kube-controllers-676c86494f-5lr5w 1/1 Running 1 (50m ago) 4h35m
kube-system calico-node-c79sk 1/1 Running 1 (50m ago) 4h35m
kube-system calico-node-mkmdg 1/1 Running 1 (50m ago) 4h35m
kube-system calico-node-p55pb 1/1 Running 1 (50m ago) 4h35m
kube-system coredns-757cd945b-9crbl 1/1 Running 1 (50m ago) 4h35m
kube-system coredns-757cd945b-pw9qc 1/1 Running 1 (50m ago) 4h35m
kube-system kube-apiserver-b-master 1/1 Running 1 (50m ago) 4h35m
kube-system kube-controller-manager-b-master 1/1 Running 1 (50m ago) 4h35m
kube-system kube-proxy-2vnlb 1/1 Running 1 (50m ago) 4h35m
kube-system kube-proxy-5tv62 1/1 Running 1 (50m ago) 4h35m
kube-system kube-proxy-vckp4 1/1 Running 1 (50m ago) 4h35m
kube-system kube-scheduler-b-master 1/1 Running 1 (50m ago) 4h35m
kube-system nodelocaldns-5jwdf 1/1 Running 1 (50m ago) 4h35m
kube-system nodelocaldns-p99zp 1/1 Running 1 (50m ago) 4h35m
kube-system nodelocaldns-xbvfk 1/1 Running 1 (50m ago) 4h35m
作者:木卫二号Coding原文地址:https://blog.csdn.net/hai4321/article/details/130548898

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