K8s 安装
跳到导航
跳到搜索
环境准备
- 关闭 selinux 及 firewalld
- 关闭 Swap
host
192.168.0.158 np0 192.168.0.229 np1 192.168.0.249 np2 192.168.0.148 np3
设置网桥参数
cat << EOF > /etc/sysctl.d/99-kubernetes-cri.conf net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 net.ipv4.ip_forward = 1 user.max_user_namespaces=28633 EOF sysctl -p /etc/sysctl.d/99-kubernetes-cri.conf
配置支持 IPVS
加载 ip_vs 内核模块。kube-proxy 通过采用 iptables + ipset + ipvs 的方式实现为符合条件的 Pod 提供负载均衡。否则 kube-proxy 会退回到 iptables 模式。
cat > /etc/modules-load.d/ip_vs.conf << EOF ip_vs ip_vs_rr ip_vs_wrr ip_vs_sh nf_conntrack_ipv4 EOF
modprobe ip_vs modprobe ip_vs_rr modprobe ip_vs_wrr modprobe ip_vs_sh modprobe nf_conntrack_ipv4
导入模块
cat << EOF > /etc/modules-load.d/containerd.conf overlay br_netfilter EOF
modprobe overlay modprobe br_netfilter
lsmod | grep overlay lsmod | grep br_netfilter
kubernetes
repo
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=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
kubelet kubeadm kubectl
# yum list kubelet --showduplicates yum install kubelet kubeadm kubectl systemctl enable kubelet