腾讯云国内节点centos7.2安装k8sv1.12.3

摘要：关闭防火墙禁用确认是否修改为创建使命令生效安装的源安装设置开机自启安装的源阿里云谷歌官方安装安装最新版本安装指定版本关闭修改文件添加开机启动拉取镜像此时仅仅源为阿

systemctl stop firewalld  && systemctl disable firewalld

setenforce 0

vi /etc/selinux/config

net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1

modprobe br_netfilter
sysctl -p /etc/sysctl.d/k8s.conf

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 makecache fast

yum install -y --setopt=obsoletes=0 
  docker-ce-18.06.1.ce-3.el7

systemctl start docker
systemctl enable docker

cat < /etc/yum.repos.d/kubernetes.repo
[kubernetes]

name=Kubernetes

baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/

gpgcheck=0

gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg

enabled=1
EOF

cat < /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
        https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
EOF

yum makecache fast
yum install -y kubelet kubeadm kubectl //安装最新版本
yum install -y kubelet-1.12.3 kubeadm-1.12.3 kubectl-1.12.3 //安装指定版本

swapoff -a

systemctl enable kubelet
systemctl start kubelet

docker pull mirrorgooglecontainers/kube-apiserver-amd64:v1.12.3
docker pull mirrorgooglecontainers/kube-controller-manager-amd64:v1.12.3
docker pull mirrorgooglecontainers/kube-scheduler-amd64:v1.12.3
docker pull mirrorgooglecontainers/kube-proxy-amd64:v1.12.3
docker pull  mirrorgooglecontainers/pause-amd64:3.1
docker pull mirrorgooglecontainers/etcd-amd64:3.2.24
docker pull kuberneter/coredns:1.2.2


docker tag mirrorgooglecontainers/kube-apiserver-amd64:v1.12.3  k8s.gcr.io/kube-apiserver:v1.12.3
docker tag mirrorgooglecontainers/kube-controller-manager-amd64:v1.12.3 k8s.gcr.io/kube-controller-manager:v1.12.3
docker tag mirrorgooglecontainers/kube-scheduler-amd64:v1.12.3 k8s.gcr.io/kube-scheduler:v1.12.3
docker tag mirrorgooglecontainers/kube-proxy-amd64:v1.12.3 k8s.gcr.io/kube-proxy:v1.12.3
docker tag mirrorgooglecontainers/pause-amd64:3.1 k8s.gcr.io/pause:3.1
docker tag mirrorgooglecontainers/etcd-amd64:3.2.24 k8s.gcr.io/etcd:3.2.24
docker tag kuberneter/coredns:1.2.2 k8s.gcr.io/coredns:1.2.2

kubeadm init --kubernetes-version=1.12.3 --pod-network-cidr=10.244.0.0/16 --apiserver-advertise-address=140.143.0.194

kubeadm reset
ifconfig cni0 down
ip link delete cni0
ifconfig flannel.1 down
ip link delete flannel.1
rm -rf /var/lib/cni/

a.当前为root用户

echo "export KUBECONFIG=/etc/kubernetes/admin.conf" >> ~/.bash_profile
source ~/.bash_profile

b.当前为普通用户

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config