k8s1.30.sh

k8s1.30.sh

echo "step1- install kubectl,kubeadm and kubelet 1.29.0"
sudo mkdir -m 755 /etc/apt/keyrings
sudo apt-get install -y apt-transport-https ca-certificates curl gpg
curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list


sudo apt update -y
sudo apt -y install vim git curl wget kubelet kubeadm kubectl

echo "memory swapoff"
sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
sudo swapoff -a
sudo modprobe overlay
sudo modprobe br_netfilter

echo "Containerd setup"
sudo tee /etc/modules-load.d/containerd.conf <<EOF
overlay
br_netfilter
EOF
sudo tee /etc/sysctl.d/kubernetes.conf<<EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
EOF
sysctl --system
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt update -y
echo -ne '\n' | sudo apt-get -y install containerd
mkdir -p /etc/containerd
containerd config default > /etc/containerd/config.toml
sudo systemctl restart containerd
sudo systemctl enable containerd
sudo sed -i 's/SystemdCgroup \= false/SystemdCgroup \= true/g' /etc/containerd/config.toml
sudo systemctl restart containerd
sudo systemctl enable kubelet
echo "image pull and cluster setup"
sudo kubeadm config images pull --cri-socket unix:///run/containerd/containerd.sock --kubernetes-version v1.30.0
sudo kubeadm init   --pod-network-cidr=10.244.0.0/16   --upload-certs --kubernetes-version=v1.30.0  --control-plane-endpoint=$(hostname) --ignore-preflight-errors=all  --cri-socket unix:///run/containerd/containerd.sock
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
export KUBECONFIG=/etc/kubernetes/admin.conf
echo "Apply flannel network"
kubectl apply -f https://github.com/coreos/flannel/raw/master/Documentation/kube-flannel.yml
kubectl taint node $(hostname) node-role.kubernetes.io/control-plane:NoSchedule-