kubeadmin 安装k8s集群
系统设置
- CentOS Linux release 7.6.1810 (Core)
修改主机名
vim /etc/hostname
k8s-master
hostname -F /etc/hostname
设置本地解析
vim /etc/hosts
172.16.227.40 k8s-master
关闭防火墙
systemctl disable firewalld
关闭selinux
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config
设置启动参数
cat <<EOF > /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system
安装docker，kubeadm, kubelet and kubectl
安装docker
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum list docker-ce --showduplicates | sort -r
yum install docker-ce-18.06.3.ce-3.el7
systemctl start docker
systemctl enable docker
kubeadm, kubelet and kubectl
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
yum install -y kubelet kubeadm kubectl
systemctl enable kubelet && systemctl start kubelet
kubeadm init --kubernetes-version=v1.14.2 --pod-network-cidr=10.244.0.0/16 --image-repository registry.aliyuncs.com/google_containers
registry.aliyuncs.com/google_containers/kube-proxy:v1.14.2
registry.aliyuncs.com/google_containers/kube-apiserver:v1.14.2
registry.aliyuncs.com/google_containers/kube-controller-manager:v1.14.2
registry.aliyuncs.com/google_containers/kube-scheduler:v1.14.2
registry.aliyuncs.com/google_containers/coredns:1.3.1
registry.aliyuncs.com/google_containers/etcd:3.3.10
registry.aliyuncs.com/google_containers/pause:3.1