install kubernetes 1.25.9

install-kuber.sh

#!/bin/bash
host_ip=$(hostname -i)

# Color
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
NC='\033[0m' # No Color

echo -e "${GREEN}disable systemd resolved ...${NC}"
systemctl disable systemd-resolved.service
systemctl stop systemd-resolved


echo -e "${GREEN}add base dns ...${NC}"
rm /etc/resolv.conf
cat >/etc/resolv.conf <<EOF
nameserver 8.8.8.8
nameserver 1.1.1.1
EOF

echo -e "${GREEN}change server repo ...${NC}"
sed -i 's/archive.ubuntu.com/mirror.arvancloud.ir/g' /etc/apt/sources.list
sed -i 's/ir.mirror.arvancloud.ir/mirror.arvancloud.ir/g' /etc/apt/sources.list
sed -i 's/us.mirror.arvancloud.ir/mirror.arvancloud.ir/g' /etc/apt/sources.list

echo -e "${GREEN}updating os ...${NC}"
apt update -y && upgrade -y

echo -e "${GREEN}disable ipv6 ...${NC}"
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
sysctl -w net.ipv6.conf.lo.disable_ipv6=1
sysctl -p

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

wget https://public-chabok.s3.ir-thr-at1.arvanstorage.com/kubernetes/containerd-1.6.2-linux-amd64.tar.gz
tar Czxvf /usr/local containerd-1.6.2-linux-amd64.tar.gz

wget https://raw.githubusercontent.com/containerd/containerd/main/containerd.service
mv containerd.service /usr/lib/systemd/system/
systemctl daemon-reload
systemctl enable --now containerd

wget https://github.com/opencontainers/runc/releases/download/v1.1.1/runc.amd64
install -m 755 runc.amd64 /usr/local/sbin/runc

mkdir -p /etc/containerd/
containerd config default | sudo tee /etc/containerd/config.toml
systemctl restart containerd

mkdir -p /opt/cni/bin
wget https://public-chabok.s3.ir-thr-at1.arvanstorage.com/kubernetes/cni-plugins-linux-amd64-v1.1.1.tgz
tar Cxzvf /opt/cni/bin cni-plugins-linux-amd64-v1.1.1.tgz

cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
overlay
br_netfilter
EOF

modprobe overlay
modprobe br_netfilter

echo 1 > /proc/sys/net/bridge/bridge-nf-call-iptables
echo 1 > /proc/sys/net/bridge/bridge-nf-call-ip6tables
sysctl -p

# sysctl params required by setup, params persist across reboots
cat > /etc/sysctl.d/99-k8s-cri.conf <<EOF
net.bridge.bridge-nf-call-iptables=1
net.bridge.bridge-nf-call-ip6tables=1
net.ipv4.ip_forward=1
EOF

# Apply sysctl params without reboot
sudo sysctl --system

echo -e "${GREEN}add shecan dns ...${NC}"
rm /etc/resolv.conf
cat >/etc/resolv.conf <<EOF
nameserver 178.22.122.100
nameserver 185.51.200.2
EOF

apt update
apt install -y apt-transport-https ca-certificates curl bash-completion
curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://dl.k8s.io/apt/doc/apt-key.gpg
echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
apt update
apt install -y kubelet=1.25.9-00 kubeadm=1.25.9-00 kubectl=1.25.9-00
apt-mark hold kubelet kubeadm kubectl

echo -e "${GREEN}add shecan dns ...${NC}"
rm /etc/resolv.conf
cat >/etc/resolv.conf <<EOF
nameserver 178.22.122.100
nameserver 185.51.200.2
EOF

# master node:
# kubeadm config images pull --kubernetes-version=v1.25.9 --image-repository "docker.chabokan.net"
# kubeadm init --pod-network-cidr=10.10.0.0/16 --kubernetes-version 1.25.9
# kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.1/manifests/tigera-operator.yaml
# mkdir -p $HOME/.kube
# cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
# chown $(id -u):$(id -g) $HOME/.kube/config

wget https://public-chabok.s3.ir-thr-at1.arvanstorage.com/kubernetes/nerdctl-full-1.4.0-linux-amd64.tar.gz
tar Cxzvvf /usr/local nerdctl-full-1.4.0-linux-amd64.tar.gz

source <(kubectl completion bash) --> kubectl auto complete
echo 'source <(kubectl completion bash)' >> ~/.bashrcecho 'source <(kubectl completion bash)' >> ~/.bashrc

echo "To use the systemd cgroup driver in /etc/containerd/config.toml with runc, set:
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc] ...
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
sudo systemctl restart containerd"

run command:

screen -S kuber-install

bash install-kuber.sh

goto screen:
screen -r kuber-install