【赵强老师】使用kubeadmin部署K8s集群

systemctl stop firewalld.service
systemctl disable firewalld.service
swapoff -a
sed -i ‘s/enforcing/disabled/‘ /etc/selinux/config
setenforce 0　　

192.168.79.111	master
192.168.79.112	node1
192.168.79.113	node2

yum -y install wget
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo  -O /etc/yum.repos.d/docker-ce.repo

yum -y install docker-ce-18.06.1.ce-3.el7
systemctl enable docker && systemctl start docker
docker --version

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-‘EOF‘
{
  "registry-mirrors": ["https://你自己阿里加速的地址.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

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

yum install -y kubelet-1.15.0 kubeadm-1.15.0 kubectl-1.15.0
systemctl enable kubelet

kubeadm init --apiserver-advertise-address=192.168.79.111 --image-repository registry.aliyuncs.com/google_containers --kubernetes-version v1.15.0 --service-cidr=10.1.0.0/16 --pod-network-cidr=10.244.0.0/16

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

wget https://raw.githubusercontent.com/coreos/flannel/a70459be0084506e4ec919aa1c114638878db11b/Documentation/kube-flannel.yml

kubectl apply -f kube-flannel.yml

quay.io/coreos/flannel:v0.11.0-amd64    
改为
collenzhao/flannel:v0.11.0-amd64

kubeadm join 192.168.79.111:6443 --token 6p5a3s.n5nuzppgf9hmxypf --discovery-token-ca-cert-hash sha256:64541d1e9d46b4597f691b1d3b60fd842a89a56a19f041c183c22a54d8d1f145

kubectl get nodes

kubectl create deployment nginx --image=nginx
kubectl expose deployment nginx --port=80 --type=NodePort
kubectl get pod,svc

kubectl scale deployment nginx --replicas=3
kubectl get pod