k8s集群节点
192.168.128.160 k8s-master
192.168.128.161 k8s-node1
192.168.128.162 k8s-node2
1.先搭建master节点
# 在所有节点上禁用swap
sudo swapoff -a
sudo sed -i 's/.*swap.*/#&/' /etc/fstab
# 关闭selinux
sed -i 's/enforcing/disabled/' /etc/selinux/config # 永久
setenforce 0 # 临时
# 在所有节点上禁用防火墙
systemctl stop firewalld
systemctl disable firewalld
#下载aliyun源
mv /etc/yum.repos.d/* /tmp
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
设置时区与时间同步
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
yum install dnf ntpdate -y
dnf makecache ntpdate
ntp.aliyun.com
ntpdate time.windows.com
# 将桥接的IPv4流量传递到iptables的链
cat > /etc/sysctl.d/k8s.conf << EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system # 生效
#下载docker源
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo
或者
yum-config-manager --add-repo https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo
或者
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
#添加阿里云k8s软件源
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
repo_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
#清理yum缓存，生成缓存
yum clean all
yum makecache
#在master节点执行
hostnamectl set-hostname k8s-master
#在node1节点执行
hostnamectl set-hostname k8s-node1
#在node2节点执行
hostnamectl set-hostname k8s-node2
# 编辑文件，以EOF作为结束符
cat >>/etc/hosts <<EOF
# 写入文件内容
192.168.128.160 k8s-master
192.168.128.161 k8s-node1
192.168.128.162 k8s-node2
EOF
修改网络配置文件
/etc/sysconfig/network-scripts/ifcfg-ens33
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
DEFROUTE=