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筹备服务器
3 台 Linux 主机,2 核 4G,50G 硬盘
内网 IP(可相互 ssh) | hostname |
---|---|
10.206.0.17 | master |
10.206.0.12 | node1 |
10.206.0.16 | node2 |
初始化装置环境
systemctl stop firewalld
systemctl disable firewalld
sed -i 's/enforcing/disabled/' /etc/selinux/config
sed -ri 's/.*swap.*/#&/' /etc/fstab
cat > /etc/sysctl.d/k8s.conf << EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system
yum install ntpdate -y
ntpdate time.windows.com
装置依赖
更新 yum 源
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo_bak
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum clean all
yum makecache
yum update -y
#查看以后 yum 源
yum repolist
装置依赖
yum install -y socat
yum install -y conntrack
配置阿里镜像减速
设置仓库地址:https://help.aliyun.com/docum…
cat > /etc/docker/daemon.json << EOF
{"registry-mirrors": ["https://xxx.mirror.aliyuncs.com"]
}
EOF
增加阿里源
cat > /etc/yum.repos.d/kubernetes.repo << EOF
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
epo_gpgcheck=0
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
多节点装置
拉取 KubeKey
export KKZONE=cn
curl -sfL https://get-kk.kubesphere.io | VERSION=v1.1.1 sh -
chmod +x kk
创立配置文件
./kk create config --with-kubernetes v1.20.4 --with-kubesphere v3.1.1
编辑配置文件
apiVersion: kubekey.kubesphere.io/v1alpha1
kind: Cluster
metadata:
name: sample
spec:
hosts:
- {name: master, address: 10.206.0.17, internalAddress: 10.206.0.17, user: root, password: 123456}
- {name: node1, address: 10.206.0.12, internalAddress: 10.206.0.12, user: root, password: 123456}
- {name: node2, address: 10.206.0.16, internalAddress: 10.206.0.16, user: root, password: 123456}
roleGroups:
etcd:
- master
master:
- master
worker:
- node1
- node2
开始装置
./kk create cluster -f config-sample.yaml
装置实现
参考文档
- 多节点装置 KubeSphere
- CentOS7 yum 源批改为阿里,配置阿里 epel 源
正文完